:root {
    --bg: #e8f1ff;
    --surface: rgba(255, 255, 255, 0.76);
    --surface-strong: rgba(255, 255, 255, 0.9);
    --text: #122340;
    --text-secondary: #4e668a;
    --border: rgba(107, 142, 193, 0.28);
    --accent: #2f72ff;
    --accent-hover: #1f5de2;
    --radius: 18px;
    --shadow: 0 16px 40px rgba(19, 62, 141, 0.14);
    --shadow-soft: 0 8px 24px rgba(28, 83, 181, 0.12);
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
    --mono: "SFMono-Regular", "Cascadia Code", "Consolas",
        "Liberation Mono", "Microsoft YaHei Mono", monospace;
    --side-panel-width: clamp(240px, 24vw, 280px);
}

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    -webkit-text-size-adjust: 100%;
}

body {
    background:
        radial-gradient(circle at 8% 14%, rgba(59, 130, 246, 0.2), transparent 32%),
        radial-gradient(circle at 92% 8%, rgba(14, 165, 233, 0.16), transparent 38%),
        linear-gradient(160deg, #e7f0ff 0%, #eef6ff 48%, #f7fbff 100%);
    color: var(--text);
    font-family: var(--font);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Container */
.container {
    position: relative;
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    min-height: calc(100vh - 52px);
}

/* Header */
.top-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px 14px;
    padding: 4px 0 6px;
}

.title {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.02em;
    flex-shrink: 0;
}

/* Analysis Overview Layout */
.analysis-overview {
    position: relative;
}
.top-subtitle {
    margin: 0;
    font-size: 0.82rem;
    color: #4b678f;
    letter-spacing: 0.04em;
    margin-left: auto;
    text-align: right;
}

/* Upload Bar */
.analysis-overview {
    display: grid;
    grid-template-columns: minmax(0, var(--side-panel-width)) minmax(0, 1fr);
    gap: 14px;
    align-items: stretch;
}

.analysis-overview>* {
    min-width: 0;
}

.data-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px 16px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    box-shadow: var(--shadow);
    backdrop-filter: blur(12px);
}

.latest-result-banner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, rgba(31, 75, 176, 0.08), rgba(99, 102, 241, 0.08));
    border: 1px dashed rgba(31, 75, 176, 0.3);
    border-radius: 10px;
    padding: 12px;
}

.banner-header {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    justify-content: space-between;
}

.banner-left {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.retreat-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    user-select: none;
    margin-left: auto;
}

.retreat-toggle input {
    display: none;
}

.retreat-slider {
    position: relative;
    display: inline-block;
    width: 32px;
    height: 18px;
    background: #d1d5db;
    border-radius: 9px;
    transition: background 0.2s;
    flex-shrink: 0;
}

.retreat-slider::after {
    content: '';
    position: absolute;
    width: 14px;
    height: 14px;
    background: #fff;
    border-radius: 50%;
    top: 2px;
    left: 2px;
    transition: left 0.2s;
}

.retreat-toggle input:checked + .retreat-slider {
    background: #ef4444;
}

.retreat-toggle input:checked + .retreat-slider::after {
    left: 16px;
}

.retreat-label {
    font-size: 0.92rem;
    color: #6b7280;
    font-weight: 700;
}

.banner-title {
    font-size: 0.82rem;
    color: #6b7280;
    font-weight: 600;
}

.banner-date {
    font-size: 0.95rem;
    color: #1f4bb0;
    font-weight: 700;
    font-family: var(--mono);
}

.banner-numbers {
    display: flex;
    gap: 8px;
    justify-content: center;
}

.data-controls-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.limit-setting-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.action-buttons-group {
    display: flex;
    gap: 10px;
    align-items: center;
}

.latest-number-ball {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, #ef4444, #f43f5e);
    color: white;
    font-size: 1.1rem;
    font-weight: 700;
    font-family: var(--mono);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 3px 6px rgba(225, 29, 72, 0.25);
}

.limit-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    letter-spacing: 0.02em;
    text-transform: none;
    white-space: nowrap;
    font-weight: 700;
}

.limit-input {
    width: 80px;
    height: 42px;
    padding: 0 12px;
    border: 1px solid var(--border);
    border-radius: 12px;
    font-family: var(--mono);
    background: var(--surface-strong);
    color: var(--text);
    font-size: 0.94rem;
    font-weight: 800;
    outline: none;
    cursor: pointer;
    text-align: center;
    text-align-last: center;
    transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}

.select-small {
    width: 70px;
    height: 36px;
    font-size: 0.88rem;
}

.limit-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(47, 114, 255, 0.15);
    background: #ffffff;
}

.analyze-btn {
    background: linear-gradient(135deg, #2563eb, #4f46e5);
    color: #fff;
    border: none;
    padding: 0 24px;
    height: 42px;
    border-radius: 12px;
    font-family: var(--font);
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 8px 22px rgba(37, 99, 235, 0.34);
    white-space: nowrap;
}

.analyze-btn,
.sum-btn,
.matrix-pos-btn,
.matrix-toggle-match-btn,
.matrix-size-toggle-btn,
.matrix-size-options .matrix-size-btn,
.matrix-close-btn,
.matrix-search-btn,
.matrix-search-clear-btn {
    touch-action: manipulation;
}

.analyze-btn:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 12px 26px rgba(37, 99, 235, 0.4);
}

.analyze-btn:disabled {
    background: #cbd5e1;
    color: #94a3b8;
    cursor: not-allowed;
    box-shadow: none;
}

.error-msg {
    grid-column: 1 / -1;
    color: #ef4444;
    font-size: 0.85rem;
    min-height: 0;
    padding: 2px 8px 0;
}

.error-msg:empty {
    display: none;
}

/* ── Period Sum Controls ── */
.period-sum-section {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 20px;
    box-shadow: var(--shadow);
    backdrop-filter: blur(10px);
}

.period-sum-header {
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.period-sum-title {
    font-size: 0.92rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-secondary);
    font-weight: 700;
}

.current-period-label {
    color: var(--accent);
    font-weight: 700;
    margin-left: 6px;
}

.period-sum-header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.period-sum-controls {
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    gap: 9px;
}

.sum-btn {
    background: rgba(255, 255, 255, 0.68);
    color: #4e6487;
    border: 1px solid rgba(122, 155, 202, 0.4);
    padding: 8px 4px;
    border-radius: 999px;
    font-family: var(--font);
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.22s;
    user-select: none;
    text-align: center;
    white-space: nowrap;
    box-shadow: 0 2px 8px rgba(48, 88, 161, 0.08);
    position: relative;
    overflow: hidden;
}

.sum-btn:hover {
    background: rgba(235, 243, 255, 0.95);
    color: var(--text);
    transform: translateY(-1px);
    box-shadow: 0 8px 16px rgba(40, 93, 179, 0.14);
}

.sum-btn.active {
    background: linear-gradient(135deg, #2d6fff, #4b56f0);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 0 0 2px rgba(89, 142, 255, 0.25), 0 10px 20px rgba(48, 98, 211, 0.35);
}

/* Two Column Layout */
.content-layout {
    display: grid;
    grid-template-columns: minmax(0, var(--side-panel-width)) minmax(0, 1fr);
    gap: 18px;
    align-items: start;
    min-height: 0;
    min-width: 0;
}

.content-layout>.panel {
    min-width: 0;
}

/* Sidebar Collapse Mode Additions */
.container.sidebar-collapsed .analysis-overview,
.container.sidebar-collapsed .content-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
}
.container.sidebar-collapsed .data-card,
.container.sidebar-collapsed .data-panel {
    display: none !important;
}


/* 左侧小节点悬浮开关 */
.sidebar-edge-toggle {
    position: absolute;
    left: -16px; /* 稍稍向左悬挑出边界，防止跟 padding 卡死 */
    top: 50%;
    transform: translateY(-50%);
    width: 28px;
    height: 64px;
    background: linear-gradient(135deg, #1f5de2, #2f72ff);
    border: none;
    border-radius: 0 12px 12px 0;
    box-shadow: 4px 0 16px rgba(47, 114, 255, 0.4);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 9999;
}

.sidebar-edge-toggle:hover {
    width: 38px;
    background: linear-gradient(135deg, #184cc8, #2a64e6);
    box-shadow: 6px 0 20px rgba(47, 114, 255, 0.5);
}

.sidebar-edge-toggle .arrow-icon {
    transition: transform 0.3s ease;
    opacity: 0.95;
    transform: translateY(-50%) rotate(180deg);
}

.sidebar-edge-toggle:hover .arrow-icon {
    opacity: 1;
    transform: translateY(-50%) rotate(180deg) scale(1.15);
}

/* 折叠状态下，拉出侧边栏箭头向右 */
.container.sidebar-collapsed .sidebar-edge-toggle .arrow-icon {
    transform: translateY(-50%) rotate(0deg); 
}

.container.sidebar-collapsed .sidebar-edge-toggle:hover .arrow-icon {
    transform: translateY(-50%) rotate(0deg) scale(1.15); 
}

/* Panels */
.panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px 24px;
    box-shadow: var(--shadow);
    backdrop-filter: blur(10px);
}

.panel h3 {
    font-size: 1.02rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: 0.03em;
    margin-bottom: 12px;
    padding-bottom: 9px;
    border-bottom: 1px solid var(--border);
}

/* Data Display (Left) */
.data-display {
    font-family: var(--mono);
    font-size: 1.1rem;
    line-height: 1.8;
    max-height: calc(100vh - 280px);
    overflow-y: scroll;
    padding-right: 6px;
    scrollbar-gutter: stable;
    scrollbar-width: auto;
    scrollbar-color: #9ab9e8 transparent;
    -webkit-overflow-scrolling: touch;
}

.data-display::-webkit-scrollbar {
    -webkit-appearance: none;
    width: 8px;
}

.data-display::-webkit-scrollbar-track {
    background: rgba(154, 185, 232, 0.18);
    border-radius: 8px;
}

.data-display::-webkit-scrollbar-thumb {
    background: #6e99dd;
    border-radius: 8px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    background-clip: padding-box;
}

.empty-hint {
    color: var(--text-secondary);
    text-align: center;
    padding: 40px 0;
    font-style: italic;
    font-size: 0.9rem;
    font-family: var(--font);
}

.data-line {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 7px;
    border-radius: 8px;
    transition: background 0.15s, transform 0.15s;
}

.data-line:hover {
    background: rgba(222, 235, 255, 0.65);
    transform: translateX(1px);
}

.line-num {
    color: #94a3b8;
    font-size: 0.8rem;
    min-width: 36px;
    user-select: none;
}

.line-content {
    display: flex;
    gap: 3px;
}

.digit-cell {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border: 1px solid var(--border);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.92);
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--text);
    font-family: var(--mono);
}

/* Stats Display (Right) */
.stats-display {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.stat-card {
    background: rgba(255, 255, 255, 0.74);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 12px 13px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all 0.2s ease;
    box-shadow: 0 6px 14px rgba(29, 82, 170, 0.1);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 22px rgba(30, 89, 186, 0.16);
}

.pos-label {
    font-size: 0.95rem;
    font-weight: 700;
    color: #3158ce;
}

.stat-details {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 6px;
}

.stat-digits {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.digit-badge {
    background: linear-gradient(135deg, #1592ff, #2f72ff);
    color: #fff;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--mono);
    font-weight: 700;
    font-size: 0.9rem;
    box-shadow: 0 4px 8px rgba(47, 114, 255, 0.24);
}

.stat-gap {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.stat-gap strong {
    color: #ef4444;
    font-size: 1rem;
}

.danger-card {
    background: linear-gradient(135deg, #fff3f4, #ffe8ec) !important;
    border-color: #fca5a5 !important;
    box-shadow: 0 10px 18px rgba(225, 29, 72, 0.14) !important;
}

.danger-text {
    color: #e11d48 !important;
}

.danger-badge {
    background: linear-gradient(135deg, #e11d48, #be123c) !important;
    box-shadow: 0 2px 4px rgba(225, 29, 72, 0.3) !important;
}

.sum-btn.danger-btn {
    border-color: #fca5a5 !important;
    color: #e11d48 !important;
    background:
        linear-gradient(90deg, rgba(251, 113, 133, 0.18), rgba(225, 29, 72, 0.24)) left / var(--sum-danger-fill-width, 0%) 100% no-repeat,
        #fff1f2 !important;
}

.sum-btn.danger-btn.active {
    background: linear-gradient(135deg, #f43f5e, #e11d48) !important;
    color: #ffffff !important;
    box-shadow: 0 0 0 2px rgba(248, 113, 113, 0.28), 0 10px 20px rgba(225, 29, 72, 0.32) !important;
}

/* ── Tab Bar ── */
.tab-bar {
    display: flex;
    gap: 8px;
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 6px;
    margin-bottom: 16px;
    background: rgba(255, 255, 255, 0.58);
    overflow-x: auto;
}

.tab-btn {
    padding: 7px 14px;
    border: 1px solid transparent;
    border-radius: 999px;
    background: transparent;
    font-family: var(--font);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
    flex-shrink: 0;
    white-space: nowrap;
}

.tab-btn:hover {
    color: var(--text);
    background: rgba(223, 236, 255, 0.74);
}

.tab-btn.active {
    color: #ffffff;
    background: linear-gradient(135deg, #2d6fff, #4d7dff);
    box-shadow: 0 8px 16px rgba(42, 105, 219, 0.28);
}

.cards-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.gap-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 12px;
}

.gap-grid .gap-card {
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    min-height: 156px;
    gap: 10px;
    border-top: 3px solid rgba(47, 114, 255, 0.46);
    position: relative;
    overflow: hidden;
}

.gap-grid .gap-card-3pos {
    grid-column: 1 / -1;
    min-height: auto;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
}

.gap-title-3pos {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    margin-right: 16px;
}

.gap-label-3pos {
    font-size: 1.35rem;
    font-weight: 800;
    color: #1a4199;
    white-space: nowrap;
}

.gap-title-3pos .stat-gap {
    font-size: 1.05rem;
}

.gap-title-3pos .stat-gap strong {
    font-size: 1.35rem;
}

.gap-digits-3pos {
    display: flex;
    gap: 16px;
    align-items: center;
    flex-wrap: wrap;
    justify-content: flex-end;
    flex: 1;
}

.digit-gap-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.gap-grid .digit-gap-item .digit-badge {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    font-size: 1.35rem;
}

.digit-gap-item .gap-value {
    font-size: 1.05rem;
    font-family: var(--mono);
    color: var(--text-secondary);
    font-weight: 700;
}

.gap-grid .stat-digits {
    width: 100%;
    justify-content: flex-start;
    position: relative;
    z-index: 1;
}

.gap-grid .digit-badge {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    font-size: 1.8rem;
}

.gap-head {
    width: 100%;
    min-height: 66px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.gap-head-gap {
    position: relative;
    z-index: 1;
    margin-left: auto;
    width: 100%;
    text-align: right;
    font-size: 1.47rem;
    line-height: 1;
    font-weight: 700;
}

.gap-head-gap strong {
    font-size: 1.5rem;
}

.gap-bg-index {
    position: absolute;
    top: 50%;
    left: 8px;
    transform: translateY(-50%);
    font-family: var(--mono);
    font-size: 4.2rem;
    line-height: 1;
    font-weight: 800;
    color: rgba(47, 114, 255, 0.14);
    pointer-events: none;
    user-select: none;
    z-index: 0;
}

.gap-card.danger-card .gap-bg-index {
    color: rgba(225, 29, 72, 0.16);
}

.gap-digits {
    gap: 12px;
}

.digit-pair {
    display: flex;
    align-items: center;
    gap: 4px;
}

.digit-arrow {
    margin: 0 1px;
    color: var(--text-secondary);
    opacity: 0.6;
}

.offset-badge {
    background: linear-gradient(135deg, #6366f1, #4f46e5);
}

/* Tags for repeat/neighbor */
.tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    font-family: var(--mono);
    margin: 1px 2px;
}

.tag-repeat {
    background: #fef3c7;
    color: #92400e;
}

.tag-neighbor {
    background: #dbeafe;
    color: #1e40af;
}

.dadi-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    padding: 10px;
}

.dadi-step-list {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.dadi-step {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.72);
    box-shadow: 0 6px 14px rgba(30, 91, 188, 0.08);
    overflow: hidden;
}

.dadi-step summary {
    list-style: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    background: rgba(228, 239, 255, 0.72);
    border-bottom: 1px solid transparent;
    transition: background 0.2s;
}

.dadi-step summary::after {
    content: '▾';
    margin-left: auto;
    font-size: 0.9rem;
    color: #3b5ea8;
    transition: transform 0.2s;
}

.dadi-step summary::-webkit-details-marker {
    display: none;
}

.dadi-step[open] summary {
    border-bottom-color: var(--border);
}

.dadi-step:not([open]) summary::after {
    transform: rotate(-90deg);
}

.dadi-step summary:hover {
    background: rgba(217, 232, 255, 0.85);
}

.dadi-step-index {
    font-size: 0.74rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #355fcf;
    padding: 4px 8px;
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(92, 128, 185, 0.35);
    border-radius: 999px;
}

.dadi-step-title {
    font-size: 0.92rem;
    color: #23427f;
}

.dadi-step-content {
    padding: 12px;
}

.dadi-tag-list {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.dadi-pair-list {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-top: 6px;
}

.dadi-pair-tag {
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid var(--border);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.85rem;
    font-family: var(--mono);
    color: var(--text);
}

.dadi-offset-tip {
    font-size: 0.85rem;
    color: #ef4444;
    background: #fee2e2;
    padding: 6px 10px;
    border-radius: 6px;
    margin-top: 4px;
    border: 1px solid #fca5a5;
    width: 100%;
}

.dadi-offset-label {
    font-weight: 600;
}

.dadi-offset-value {
    font-family: var(--mono);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 5px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* ── Dadi Error Analysis ── */
.error-panel {
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding: 4px 0 2px;
}

.error-settings {
    background: rgba(255, 255, 255, 0.78);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 16px;
    box-shadow: 0 10px 20px rgba(22, 80, 173, 0.1);
}

.error-settings-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-secondary);
    margin-bottom: 16px;
    display: block;
}

.error-controls {
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
}

.dadi-transform-base-switch {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 12px;
}

.dadi-transform-base-btn {
    padding: 7px 12px;
    border: 1px solid rgba(117, 151, 203, 0.45);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.9);
    font-family: var(--font);
    font-size: 0.82rem;
    font-weight: 700;
    color: #2e4f8e;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.dadi-transform-base-btn:hover {
    background: rgba(233, 243, 255, 0.94);
    color: #1f4bb0;
}

.dadi-transform-base-btn.active {
    color: #ffffff;
    border-color: transparent;
    background: linear-gradient(135deg, #2d6fff, #4d7dff);
    box-shadow: 0 8px 16px rgba(42, 105, 219, 0.28);
}

.error-input-group {
    display: flex;
    align-items: center;
    gap: 12px;
}

.error-input-group label {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text);
    white-space: nowrap;
}

.error-input-group input {
    width: 92px;
    padding: 8px 12px;
    border: 1.5px solid var(--border);
    border-radius: 10px;
    font-family: var(--mono);
    font-size: 0.98rem;
    font-weight: 700;
    color: var(--accent);
    text-align: center;
    transition: all 0.2s;
    background: rgba(255, 255, 255, 0.88);
}

.custom-select {
    position: relative;
    user-select: none;
    -webkit-user-select: none;
    width: 72px; /* Fixed width for standard sizes 0-20 */
}

.custom-select-trigger {
    width: 100%;
    min-height: 40px;
    padding: 8px 24px 8px 12px;
    border: 1.5px solid var(--border);
    border-radius: 10px;
    font-family: var(--mono);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--accent);
    text-align: center;
    background: rgba(255, 255, 255, 0.92);
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 2px 6px rgba(19, 62, 141, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
}

.custom-select-trigger .arrow {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 12px;
    height: 12px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%234e668a' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") no-repeat center;
    transition: transform 0.2s;
}

.custom-select.open .custom-select-trigger {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(47, 114, 255, 0.12);
}

.custom-select.open .arrow {
    transform: translateY(-50%) rotate(180deg);
}

.custom-select:hover .custom-select-trigger {
    border-color: rgba(47, 114, 255, 0.4);
    background-color: rgba(240, 247, 255, 0.95);
}

.custom-select-options {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    width: 100%;
    max-height: 200px;
    overflow-y: auto;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid var(--border);
    border-radius: 10px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    display: none;
    padding: 6px 0;
    backdrop-filter: blur(8px);
}

.custom-select.open .custom-select-options {
    display: block;
    animation: fadeInDown 0.2s ease-out forwards;
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}

.custom-option {
    padding: 8px 12px;
    font-family: var(--mono);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-align: center;
    cursor: pointer;
    transition: all 0.15s;
}

.custom-option:hover {
    background: rgba(240, 247, 255, 0.8);
    color: var(--accent);
}

.custom-option.selected {
    color: var(--accent);
    background: rgba(47, 114, 255, 0.08);
    font-weight: 700;
}


.apply-btn {
    background: linear-gradient(135deg, #2d6fff, #4b56f0);
    color: white;
    border: none;
    padding: 10px 24px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 0.88rem;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 8px 16px rgba(47, 114, 255, 0.26);
    letter-spacing: 0.04em;
}

.apply-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 20px rgba(47, 114, 255, 0.34);
}

.error-result-container {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.error-result-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 4px;
}

.result-action-group {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.result-count-info {
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--text);
}

.result-count-info strong {
    color: var(--accent);
    font-size: 1.25rem;
    margin: 0 4px;
}

.copy-btn-mini {
    background: #1944b7;
    color: white;
    border: none;
    padding: 8px 14px;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 6px;
}

.copy-btn-mini:hover {
    background: #14368f;
}

.download-btn-mini {
    background: #0f766e;
}

.download-btn-mini:hover {
    background: #0b5e58;
}

.error-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
    gap: 8px;
    padding: 14px;
    background: rgba(255, 255, 255, 0.76);
    border: 1px solid var(--border);
    border-radius: 12px;
    max-height: 450px;
    overflow-y: scroll;
    scrollbar-gutter: stable;
    scrollbar-width: auto;
    scrollbar-color: #9ab9e8 transparent;
    box-shadow: inset 0 2px 6px rgba(27, 80, 163, 0.05);
}

.error-grid::-webkit-scrollbar {
    -webkit-appearance: none;
    width: 8px;
}

.error-grid::-webkit-scrollbar-track {
    background: rgba(154, 185, 232, 0.18);
    border-radius: 8px;
}

.error-grid::-webkit-scrollbar-thumb {
    background: #6e99dd;
    border-radius: 8px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    background-clip: padding-box;
}

.grid-num-item {
    background: rgba(232, 241, 255, 0.82);
    color: var(--text);
    padding: 6px 0;
    text-align: center;
    border-radius: 8px;
    font-family: var(--mono);
    font-weight: 700;
    font-size: 0.95rem;
    border: 1px solid transparent;
    transition: all 0.15s;
}

.grid-num-item:hover {
    background: #ffffff;
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-1px);
}

body.matrix-open {
    overflow: hidden;
}

.matrix-overlay {
    --matrix-overlay-pad: 12px;
    --matrix-viewport-height: 100dvh;
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: rgba(6, 24, 55, 0.54);
    display: none;
    padding: var(--matrix-overlay-pad);
}

.matrix-overlay.show {
    display: block;
}

.matrix-overlay:fullscreen {
    padding: 0;
}

.matrix-shell {
    --matrix-topbar-control-height: 22px;
    --matrix-topbar-control-padding-x: 8px;
    --matrix-topbar-control-font-size: 0.74rem;
    --matrix-topbar-control-min-width: 68px;
    height: calc(var(--matrix-viewport-height) - (var(--matrix-overlay-pad) * 2));
    max-height: calc(var(--matrix-viewport-height) - (var(--matrix-overlay-pad) * 2));
    background: rgba(245, 250, 255, 0.98);
    border: 1px solid rgba(104, 137, 190, 0.45);
    border-radius: 16px;
    box-shadow: 0 24px 48px rgba(9, 36, 82, 0.34);
    display: flex;
    flex-direction: column;
    gap: 4px;
    overflow: hidden;
    padding: 7px;
}

.matrix-overlay:fullscreen .matrix-shell {
    height: var(--matrix-viewport-height);
    max-height: var(--matrix-viewport-height);
    border-radius: 0;
    border: none;
}

.matrix-topbar {
    display: flex;
    flex-direction: row;
    align-items: center;
    flex-wrap: nowrap;
    gap: 5px;
    min-width: 0;
    padding: 0 1px 4px;
    border-bottom: 1px solid rgba(114, 145, 195, 0.32);
    overflow: visible;
}

.matrix-topbar-main {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1 1 auto;
    min-width: 0;
}

.matrix-pos-controls-top {
    flex: 1;
    min-width: 0;
    justify-content: center;
}

.matrix-topbar-toggle-btn {
    display: none;
    flex: 0 0 auto;
}

@media (min-width: 641px) {
    .matrix-topbar-toggle-btn {
        display: none !important;
    }
}

.matrix-topbar-tools {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    flex-shrink: 0;
    flex-wrap: nowrap;
}

.matrix-search-control {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 8px;
    border: 1px solid rgba(140, 168, 208, 0.4);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.88);
    flex-shrink: 0;
    min-width: 0;
    -webkit-overflow-scrolling: touch;
}

.matrix-search-input {
    width: 60px;
    height: 28px;
    border: 1px solid rgba(120, 149, 191, 0.45);
    border-radius: 999px;
    padding: 0 8px;
    font-family: var(--mono);
    font-size: 0.76rem;
    font-weight: 700;
    color: #1e4ea8;
    background: #ffffff;
    outline: none;
}

.matrix-search-btn,
.matrix-search-clear-btn {
    height: 28px;
    border-radius: 999px;
    border: 1px solid rgba(115, 149, 202, 0.48);
    padding: 0 10px;
    font-size: 0.74rem;
    font-weight: 700;
    color: #1f4bb0;
    background: rgba(255, 255, 255, 0.92);
    cursor: pointer;
    white-space: nowrap;
}

.matrix-search-btn {
    background: rgba(233, 243, 255, 0.95);
}

.matrix-search-clear-btn {
    color: #6c3f4b;
    border-color: rgba(180, 126, 140, 0.45);
    background: rgba(255, 243, 246, 0.9);
}

.matrix-topbar-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
    flex-shrink: 0;
    flex-wrap: wrap;
    justify-content: flex-end;
    -webkit-overflow-scrolling: touch;
}

.matrix-topbar-actions .matrix-size-toggle-btn,
.matrix-topbar-actions .matrix-toggle-match-btn {
    min-width: 0;
    padding: 0 8px;
}

.matrix-topbar-actions>.matrix-toggle-match-btn {
    min-width: 0;
}

.matrix-limit-control {
    padding: 0;
    border: none;
    background: transparent;
}

.matrix-limit-label {
    font-size: 0.74rem;
    color: #3b5f9f;
    font-weight: 700;
    white-space: nowrap;
}

.matrix-limit-input {
    width: 78px;
    height: 28px;
    border: 1px solid rgba(120, 149, 191, 0.45);
    border-radius: 999px;
    padding: 0 8px;
    font-family: var(--mono);
    font-size: 0.76rem;
    font-weight: 700;
    color: #1e4ea8;
    background: #ffffff;
    cursor: pointer;
}

.matrix-rule-tip {
    color: #4d648e;
    font-size: 0.72rem;
    white-space: nowrap;
}

.matrix-close-btn {
    border: 1px solid rgba(58, 104, 190, 0.35);
    background: rgba(255, 255, 255, 0.9);
    color: #1848b4;
    border-radius: 8px;
    padding: 4px 10px;
    font-weight: 700;
    cursor: pointer;
    flex: 0 0 auto;
}

.matrix-toolbar {
    display: block;
}

.matrix-toolbar-right {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
    flex-wrap: wrap;
}

.matrix-pos-controls {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.matrix-pos-btn {
    border: 1px solid rgba(115, 149, 202, 0.48);
    background: rgba(255, 255, 255, 0.88);
    color: #1f4bb0;
    border-radius: 999px;
    padding: 3px 8px;
    font-weight: 700;
    font-size: 0.82rem;
    cursor: pointer;
}

.matrix-pos-btn.active {
    color: #ffffff;
    background: linear-gradient(135deg, #2d6fff, #4b56f0);
    border-color: transparent;
    box-shadow: 0 8px 16px rgba(42, 105, 219, 0.25);
}

.matrix-toggle-match-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: var(--matrix-topbar-control-min-width);
    height: var(--matrix-topbar-control-height);
    border: 1px solid rgba(115, 149, 202, 0.48);
    background: rgba(255, 255, 255, 0.9);
    color: #1f4bb0;
    border-radius: 999px;
    box-sizing: border-box;
    padding: 0 var(--matrix-topbar-control-padding-x);
    font-weight: 700;
    font-size: var(--matrix-topbar-control-font-size);
    line-height: 1;
    cursor: pointer;
    white-space: nowrap;
}

.matrix-toggle-match-btn[aria-pressed='true'] {
    background: #1f4bb0;
    color: #ffffff;
    border-color: #1f4bb0;
}

.matrix-size-control {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
    position: relative;
    overflow: visible;
}

.matrix-size-toggle-btn {
    min-width: var(--matrix-topbar-control-min-width);
    height: var(--matrix-topbar-control-height);
    border-radius: 999px;
    border: 1px solid rgba(120, 149, 191, 0.45);
    box-sizing: border-box;
    padding: 0 var(--matrix-topbar-control-padding-x);
    font-family: var(--font);
    font-size: var(--matrix-topbar-control-font-size);
    font-weight: 700;
    line-height: 1;
    color: #1e4ea8;
    background: rgba(255, 255, 255, 0.92);
    cursor: pointer;
    white-space: nowrap;
}

.matrix-size-control.open .matrix-size-toggle-btn {
    background: rgba(233, 243, 255, 0.95);
    border-color: rgba(79, 118, 188, 0.58);
}

.matrix-size-options {
    display: none;
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    z-index: 30;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    min-width: 100%;
    padding: 6px;
    border: 1px solid rgba(140, 168, 208, 0.4);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.88);
    box-shadow: 0 10px 22px rgba(22, 71, 161, 0.22);
    backdrop-filter: blur(6px);
    white-space: normal;
}

.matrix-size-control.open .matrix-size-options {
    display: flex;
}

.matrix-size-options .matrix-size-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-width: 48px;
    height: 28px;
    border: 1px solid rgba(120, 149, 191, 0.45);
    border-radius: 999px;
    padding: 0 8px;
    font-family: var(--mono);
    font-size: 0.76rem;
    font-weight: 700;
    color: #1e4ea8;
    background: #ffffff;
    cursor: pointer;
}

.matrix-size-options .matrix-size-btn.active {
    color: #ffffff;
    border-color: #1f4bb0;
    background: linear-gradient(135deg, #2d6fff, #4b56f0);
    box-shadow: 0 6px 14px rgba(42, 105, 219, 0.24);
}

#matrixSourceModeControl .matrix-size-options,
#matrixSourceModeControl .matrix-size-options .matrix-size-btn {
    min-width: 72px;
}

#matrixSourceModeControl .matrix-size-options {
    width: max-content;
}

#matrixSourceModeControl .matrix-size-options .matrix-size-btn {
    white-space: nowrap;
}

.matrix-combo-info {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    width: 100%;
}

.matrix-combo-group {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.matrix-combo-empty {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    padding: 0 10px;
    border-radius: 999px;
    border: 1px solid rgba(126, 156, 204, 0.4);
    background: rgba(255, 255, 255, 0.9);
    font-size: 0.72rem;
    font-family: var(--mono);
    font-weight: 700;
    color: #4d648e;
    font-style: normal;
    line-height: 1;
}

.matrix-combo-chip {
    border-radius: 999px;
    padding: 5px 8px;
    font-size: 0.72rem;
    font-family: var(--mono);
    font-weight: 700;
    border: 1px solid transparent;
    cursor: pointer;
    transition: opacity 0.16s ease, filter 0.16s ease, transform 0.16s ease;
}

.matrix-combo-chip.active {
    opacity: 1;
}

.matrix-combo-chip.inactive {
    opacity: 0.42;
    filter: saturate(0.28) grayscale(0.18);
}

.matrix-combo-chip:focus-visible {
    outline: 2px solid rgba(42, 105, 219, 0.38);
    outline-offset: 1px;
}

.matrix-trace-chip {
    border-radius: 999px;
    padding: 4px 8px;
    font-size: 0.7rem;
    font-family: var(--mono);
    font-weight: 700;
    border: 1px dashed rgba(126, 156, 204, 0.58);
    background: rgba(255, 255, 255, 0.86);
    color: #2a518f;
    cursor: pointer;
    transition: opacity 0.16s ease, filter 0.16s ease, transform 0.16s ease;
}

.matrix-trace-chip.active {
    opacity: 1;
}

.matrix-trace-chip.inactive {
    opacity: 0.42;
    filter: saturate(0.2) grayscale(0.25);
}

.matrix-trace-chip:focus-visible {
    outline: 2px solid rgba(220, 38, 38, 0.35);
    outline-offset: 1px;
}

.matrix-pos-chip-1 {
    color: #9a3412;
    background: #ffedd5;
    border-color: #fed7aa;
}

.matrix-pos-chip-2 {
    color: #065f46;
    background: #dcfce7;
    border-color: #bbf7d0;
}

.matrix-pos-chip-3 {
    color: #1e3a8a;
    background: #dbeafe;
    border-color: #bfdbfe;
}

.matrix-pos-chip-4 {
    color: #9d174d;
    background: #fce7f3;
    border-color: #fbcfe8;
}

.matrix-pos-chip-5 {
    color: #4c1d95;
    background: #ede9fe;
    border-color: #ddd6fe;
}

.matrix-combo-group-chip-1 {
    color: #7c2d12;
    background: #fdba74;
    border-color: #fb923c;
}

.matrix-combo-group-chip-2 {
    color: #1e3a8a;
    background: #93c5fd;
    border-color: #60a5fa;
}

.matrix-combo-group-chip-3 {
    color: #14532d;
    background: #86efac;
    border-color: #4ade80;
}

.matrix-content {
    min-height: 0;
    flex: 1;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
}

.matrix-match-panel {
    border: 1px solid var(--border);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.85);
    padding: 10px;
    display: none;
    flex-direction: column;
    min-height: 0;
}

.matrix-shell.show-match-panel .matrix-content {
    grid-template-columns: 320px minmax(0, 1fr);
    grid-template-rows: minmax(0, 1fr);
    align-items: stretch;
}

.matrix-shell.show-match-panel .matrix-match-panel {
    display: flex;
    height: 100%;
}

.matrix-shell.show-match-panel .matrix-table-panel {
    height: 100%;
}

.matrix-match-panel h3 {
    font-size: 0.92rem;
    margin-bottom: 8px;
    color: #274f9f;
}

.matrix-next-stats {
    border: 1px solid rgba(145, 171, 213, 0.45);
    background: rgba(242, 248, 255, 0.88);
    border-radius: 10px;
    padding: 8px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 0.78rem;
    min-height: 0;
    overflow: auto;
    flex: 1;
}

.matrix-next-title {
    font-size: 0.8rem;
    font-weight: 800;
    color: #2d4c8f;
}

.matrix-next-section {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.matrix-next-section+.matrix-next-section {
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px dashed rgba(141, 168, 211, 0.7);
}

.matrix-next-grid {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}

.matrix-next-heat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.matrix-next-heat-row {
    display: grid;
    grid-template-columns: repeat(10, minmax(0, 1fr));
    gap: 4px;
}

.matrix-next-heat-cell {
    min-width: 0;
    border-radius: 6px;
    border: 1px solid rgba(146, 172, 214, 0.35);
    text-align: center;
    font-family: var(--mono);
    font-weight: 700;
    font-size: 0.68rem;
    line-height: 1;
    padding: 4px 0;
}

.matrix-next-heat-digit {
    color: #5f7397;
    background: rgba(255, 255, 255, 0.7);
}

.matrix-next-heat-digit.hit {
    color: #1f4f9a;
    background: #dbeafe;
    border-color: #93c5fd;
}

.matrix-next-heat-count {
    border-color: transparent;
}

.matrix-next-heat-count.zero {
    color: #90a1bd;
    background: rgba(255, 255, 255, 0.56);
    border-color: rgba(150, 173, 213, 0.25);
}

.matrix-next-chip {
    border-radius: 999px;
    border: 1px solid rgba(126, 156, 204, 0.26);
    background: rgba(255, 255, 255, 0.62);
    color: #4f6286;
    padding: 3px 7px;
    font-family: var(--mono);
    font-size: 0.72rem;
    font-weight: 500;
}

.matrix-next-chip strong {
    color: #38527e;
    font-weight: 650;
}

.matrix-next-tail,
.matrix-next-empty {
    color: #4a628f;
    font-size: 0.74rem;
}

.matrix-next-empty-chip {
    color: #4a628f;
    font-size: 0.74rem;
    padding: 3px 2px;
}

.matrix-next-group,
.matrix-next-summary {
    border: 1px solid rgba(146, 171, 214, 0.45);
    background: rgba(255, 255, 255, 0.82);
    border-radius: 8px;
    padding: 6px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.matrix-next-group-head,
.matrix-next-summary-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    gap: 8px;
    border-radius: 999px;
    padding: 3px 8px;
    font-size: 0.74rem;
    font-weight: 800;
    border: 1px solid transparent;
}

.matrix-next-group-title {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.matrix-next-group-count {
    flex-shrink: 0;
    margin-left: auto;
    font-family: var(--mono);
    font-size: 0.72rem;
}

.matrix-next-summary-head {
    color: #1e3a8a;
    border-color: #93c5fd;
    background: #dbeafe;
}

.matrix-match-list {
    overflow: auto;
    min-height: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 0.78rem;
}

.matrix-empty {
    color: var(--text-secondary);
}

.matrix-match-item {
    border: 1px solid rgba(156, 181, 220, 0.45);
    border-radius: 8px;
    background: rgba(244, 249, 255, 0.85);
    padding: 6px 8px;
    display: grid;
    grid-template-columns: auto auto auto auto 1fr;
    align-items: center;
    gap: 6px;
}

.matrix-match-no {
    color: #6b7a96;
}

.matrix-match-seq {
    font-family: var(--mono);
    font-size: 0.84rem;
    font-weight: 800;
}

.matrix-match-posid {
    font-family: var(--mono);
    font-size: 0.76rem;
    font-weight: 800;
}

.matrix-match-dir {
    color: #3559a2;
    font-weight: 700;
}

.matrix-match-pos {
    color: #486384;
    font-family: var(--mono);
}

.matrix-match-pos1 .matrix-match-seq,
.matrix-match-pos1 .matrix-match-posid {
    color: #d97706;
}

.matrix-match-pos2 .matrix-match-seq,
.matrix-match-pos2 .matrix-match-posid {
    color: #059669;
}

.matrix-match-pos3 .matrix-match-seq,
.matrix-match-pos3 .matrix-match-posid {
    color: #2563eb;
}

.matrix-match-pos4 .matrix-match-seq,
.matrix-match-pos4 .matrix-match-posid {
    color: #db2777;
}

.matrix-match-pos5 .matrix-match-seq,
.matrix-match-pos5 .matrix-match-posid {
    color: #7c3aed;
}

.matrix-table-panel {
    min-width: 0;
    min-height: 0;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.88);
    overflow: hidden;
}

.matrix-table-wrap {
    width: 100%;
    height: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-gutter: stable both-edges;
    --matrix-cell-size: 50px;
    overscroll-behavior-x: contain;
    -webkit-overflow-scrolling: touch;
}

.matrix-table-strip {
    height: 100%;
    display: flex;
    align-items: flex-start;
    gap: 8px;
    width: max-content;
    min-width: 100%;
}

.matrix-table {
    border-collapse: separate;
    border-spacing: 0;
    width: auto;
    table-layout: fixed;
    flex-shrink: 0;
}

.matrix-table th,
.matrix-table td {
    border-right: 1px solid rgba(139, 167, 209, 0.34);
    border-bottom: 1px solid rgba(139, 167, 209, 0.34);
    width: var(--matrix-cell-size);
    min-width: var(--matrix-cell-size);
    height: var(--matrix-cell-size);
    text-align: center;
    font-family: var(--mono);
    font-weight: 700;
    font-size: clamp(0.78rem, calc(var(--matrix-cell-size) / 3), 1.12rem);
    color: #1b2b4e;
    background: rgba(255, 255, 255, 0.92);
}

.matrix-row-id {
    width: 34px !important;
    min-width: 34px !important;
    background: #f3f8ff !important;
    color: #4e6386 !important;
    font-size: 0.72rem !important;
    border-left: 1px solid rgba(139, 167, 209, 0.34);
}

.matrix-shell:not(.show-row-ids) .matrix-row-id {
    display: none;
}

.matrix-shell:not(.show-row-ids) .matrix-table td:first-of-type {
    border-left: 1px solid rgba(139, 167, 209, 0.34);
}

.matrix-cell {
    transition: background 0.18s, color 0.18s;
    position: relative;
}

.matrix-cell-digit {
    position: relative;
    z-index: 1;
}

.matrix-cell-mark {
    position: absolute;
    right: 3px;
    bottom: 2px;
    font-size: 0.55rem;
    line-height: 1;
    font-weight: 800;
    color: rgba(34, 56, 95, 0.68);
    pointer-events: none;
}

.matrix-hit-group1 {
    background: #fb923c !important;
    color: #7c2d12 !important;
}

.matrix-hit-group2 {
    background: #93c5fd !important;
    color: #1e3a8a !important;
}

.matrix-hit-group3 {
    background: #86efac !important;
    color: #14532d !important;
}

.matrix-hit-group-multi {
    background: #c4b5fd !important;
    color: #4c1d95 !important;
    box-shadow: inset 0 0 0 2px #7c3aed;
}

.matrix-hit-next-red {
    background: #ef4444 !important;
    color: #ffffff !important;
    box-shadow: inset 0 0 0 2px #b91c1c;
}

.matrix-hit-search {
    background: #fde047 !important;
    color: #4a3500 !important;
    box-shadow: none !important;
}

/* Responsive */
@media (max-width: 1024px) {
    :root {
        --side-panel-width: clamp(220px, 30vw, 268px);
    }

    .container {
        padding: 20px 18px;
        gap: 16px;
    }

    .analysis-overview {
        grid-template-columns: minmax(0, var(--side-panel-width)) minmax(0, 1fr);
    }

    .period-sum-controls {
        grid-template-columns: repeat(6, minmax(0, 1fr));
    }

    .content-layout {
        grid-template-columns: minmax(0, var(--side-panel-width)) minmax(0, 1fr);
        gap: 12px;
        align-items: stretch;
    }

    .data-display {
        max-height: 300px;
    }

    .gap-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .matrix-shell {
        min-height: 0;
    }

    .matrix-content {
        grid-template-columns: 1fr;
        min-height: 0;
        height: 0;
    }

    .matrix-match-panel {
        max-height: 34vh;
    }

    .matrix-shell.show-match-panel .matrix-content {
        grid-template-columns: minmax(236px, 34%) minmax(0, 1fr);
        grid-template-rows: minmax(0, 1fr);
        align-items: stretch;
        min-height: 0;
        height: 0;
    }

    .matrix-shell.show-match-panel .matrix-content>* {
        min-height: 0;
        align-self: stretch;
    }

    .matrix-shell.show-match-panel .matrix-match-panel {
        max-height: none !important;
        height: 100%;
    }

    .matrix-shell.show-match-panel .matrix-table-panel {
        height: 100%;
    }

    .matrix-table-wrap {
        --matrix-cell-size: 48px;
    }
}

@media (max-width: 768px) {
    :root {
        --side-panel-width: clamp(176px, 34vw, 236px);
    }

    .matrix-shell {
        --matrix-topbar-control-height: 24px;
        --matrix-topbar-control-padding-x: 8px;
        --matrix-topbar-control-font-size: 0.74rem;
        --matrix-topbar-control-min-width: 64px;
    }

    .container {
        padding: 14px 12px;
        gap: 14px;
    }

    .title {
        font-size: 0.92rem;
        letter-spacing: 0.06em;
        padding: 9px 12px;
    }

    .top-subtitle {
        font-size: 0.74rem;
        letter-spacing: 0.02em;
    }

    .analysis-overview {
        grid-template-columns: minmax(0, var(--side-panel-width)) minmax(0, 1fr);
        gap: 8px;
        align-items: stretch;
    }

    .content-layout {
        grid-template-columns: minmax(0, var(--side-panel-width)) minmax(0, 1fr);
        gap: 8px;
        align-items: stretch;
    }

    .analyze-btn {
        width: 100%;
        height: 40px;
        padding: 0 12px;
        font-size: 0.86rem;
    }

    .period-sum-section {
        padding: 14px 12px;
    }

    .period-sum-controls {
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: 7px;
    }

    .sum-btn {
        font-size: 0.8rem;
        padding: 8px 2px;
    }

    .panel {
        padding: 12px 10px;
    }

    .panel h3 {
        font-size: 1rem;
        margin-bottom: 10px;
        padding-bottom: 8px;
    }

    .data-display {
        font-size: 1rem;
        line-height: 1.6;
        max-height: 260px;
    }

    .line-num {
        min-width: 30px;
        font-size: 0.74rem;
    }

    .digit-cell {
        width: 24px;
        height: 24px;
        font-size: 0.88rem;
    }

    .stat-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .stat-details {
        width: 100%;
        align-items: flex-start;
        gap: 8px;
    }

    .stat-digits {
        justify-content: flex-start;
    }

    .gap-digits {
        gap: 8px;
    }

    .gap-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .gap-head {
        min-height: 58px;
    }

    .gap-bg-index {
        font-size: 3.6rem;
        top: 50%;
        left: 6px;
    }

    .tab-btn {
        padding: 7px 10px;
        font-size: 0.79rem;
    }

    .error-settings {
        padding: 14px;
    }

    .error-controls {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }

    .error-input-group {
        justify-content: space-between;
    }

    .apply-btn {
        width: 100%;
    }

    .error-result-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .result-action-group {
        width: 100%;
    }

    .copy-btn-mini {
        width: 100%;
        justify-content: center;
    }

    .error-grid {
        grid-template-columns: repeat(auto-fill, minmax(54px, 1fr));
        max-height: 320px;
        padding: 10px;
    }

    .matrix-overlay {
        --matrix-overlay-pad: 6px;
        padding: var(--matrix-overlay-pad);
    }

    .matrix-shell {
        padding: 8px;
        gap: 6px;
    }

    .matrix-content {
        grid-template-rows: minmax(0, 1fr);
    }

    .matrix-topbar {
        flex-direction: row;
        align-items: center;
        flex-wrap: nowrap;
        gap: 6px;
    }

    .matrix-topbar-main {
        gap: 6px;
        flex: 1 1 auto;
        width: auto;
    }

    .matrix-pos-controls-top {
        width: auto;
        justify-content: flex-start;
        flex-wrap: nowrap;
        overflow-x: auto;
        padding-bottom: 2px;
    }

    .matrix-search-control {
        width: auto;
        justify-content: flex-start;
        flex-wrap: nowrap;
        padding: 4px 6px;
    }

    .matrix-topbar-actions {
        width: auto;
        margin-left: 0;
        justify-content: flex-start;
        flex-wrap: nowrap;
        padding-bottom: 2px;
    }

    .matrix-close-btn {
        align-self: auto;
    }

    .matrix-limit-control {
        flex: 0 0 auto;
    }

    .matrix-rule-tip {
        display: none;
    }

    .matrix-toolbar {
        flex-direction: column;
        align-items: flex-start;
    }

    .matrix-pos-controls {
        width: 100%;
        gap: 6px;
    }

    .matrix-toolbar-right {
        width: 100%;
        margin-left: 0;
    }

    .matrix-toolbar .matrix-size-control {
        width: 100%;
        justify-content: flex-start;
        flex-wrap: wrap;
    }

    .matrix-pos-btn {
        flex: 0 0 auto;
        min-width: 62px;
        text-align: center;
    }

    .matrix-toggle-match-btn {
        flex: 0 0 auto;
    }

    .matrix-combo-info {
        width: 100%;
    }

    .matrix-combo-chip {
        font-size: 0.72rem;
    }

    .matrix-match-item {
        grid-template-columns: auto auto;
        gap: 4px 8px;
    }

    .matrix-match-pos {
        grid-column: 1 / -1;
    }

    .matrix-row-id {
        width: 34px !important;
        min-width: 34px !important;
    }

    .matrix-shell.show-match-panel .matrix-content {
        grid-template-columns: minmax(190px, 40%) minmax(0, 1fr);
        grid-template-rows: minmax(0, 1fr);
        align-items: stretch;
    }

    .matrix-shell.show-match-panel .matrix-match-panel {
        max-height: none;
        height: 100%;
    }
}

@media (max-width: 640px) {
    .matrix-shell {
        --matrix-topbar-control-height: 28px;
        --matrix-topbar-control-padding-x: 7px;
        --matrix-topbar-control-font-size: 0.72rem;
        --matrix-topbar-control-min-width: 60px;
    }

    .top-bar {
        align-items: flex-start;
        gap: 6px;
        flex-direction: column;
    }

    .title {
        font-size: 0.88rem;
        letter-spacing: 0;
        padding: 0;
        line-height: 1.3;
    }

    .top-actions {
        width: 100%;
        gap: 6px !important;
        flex-wrap: wrap;
    }

    .top-subtitle {
        width: 100%;
        margin-left: 0;
        text-align: left;
        font-size: 0.7rem;
        display: none;
    }

    .sidebar-edge-toggle {
        display: none;
    }

    .analysis-overview,
    .content-layout {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .data-card,
    .period-sum-section,
    .panel {
        padding-left: 12px;
        padding-right: 12px;
    }

    .data-controls-row {
        flex-direction: row;
        align-items: center;
        gap: 8px;
    }

    .limit-setting-group,
    .action-buttons-group {
        width: auto;
    }

    .limit-setting-group {
        justify-content: flex-start;
    }

    .action-buttons-group .analyze-btn {
        width: auto;
        height: 36px;
        padding: 0 16px;
        font-size: 0.84rem;
    }

    .period-sum-header {
        flex-direction: row;
        align-items: center;
        flex-wrap: nowrap;
        gap: 8px;
    }

    .period-sum-title {
        line-height: 1.25;
    }

    .period-sum-header .analyze-btn {
        flex: 0 0 auto;
        width: auto;
        height: 32px;
        padding: 0 14px;
        font-size: 0.8rem;
    }

    .banner-header {
        flex-wrap: wrap;
        justify-content: center;
    }

    .banner-date {
        font-size: 0.92rem;
    }

    .banner-numbers {
        gap: 6px;
        flex-wrap: wrap;
    }

    .latest-number-ball {
        width: 30px;
        height: 30px;
        font-size: 1rem;
    }

    .sum-btn {
        min-height: 36px;
        padding: 6px 2px;
    }

    .matrix-overlay {
        --matrix-overlay-pad: 0;
    }

    .matrix-shell {
        height: var(--matrix-viewport-height);
        max-height: var(--matrix-viewport-height);
        border-radius: 0;
        border: none;
        padding: 4px 5px calc(6px + env(safe-area-inset-bottom));
        gap: 4px;
    }

    .matrix-topbar {
        padding: 0 0 3px;
        gap: 4px;
        position: relative;
        z-index: 14;
        overflow: visible;
        flex-direction: column;
        align-items: stretch;
    }

    .matrix-topbar-main {
        display: grid;
        grid-template-columns: minmax(0, 1fr) auto auto;
        align-items: start;
        gap: 4px;
        width: 100%;
    }

    .matrix-pos-controls-top {
        width: 100%;
        padding-bottom: 0;
        gap: 4px;
    }

    .matrix-pos-btn {
        min-width: 52px;
        font-size: 0.73rem;
        padding: 4px 7px;
    }

    .matrix-topbar-toggle-btn {
        display: inline-flex;
        min-width: 0;
        padding: 0 6px;
    }

    .matrix-topbar-tools {
        display: none;
        grid-template-columns: max-content minmax(0, 1fr);
        align-items: center;
        gap: 4px;
        width: 100%;
        min-width: 0;
        overflow: visible;
        padding: 0;
    }

    .matrix-shell.show-topbar-tools .matrix-topbar-tools {
        display: grid;
    }

    .matrix-search-control {
        display: grid;
        grid-template-columns: 70px auto auto;
        width: auto;
        max-width: 100%;
        min-width: 0;
        overflow: visible;
        gap: 3px;
        padding: 2px 3px;
        justify-self: start;
    }

    .matrix-search-input {
        width: 70px;
        min-width: 0;
        height: 28px;
        font-size: 0.74rem;
    }

    .matrix-search-btn,
    .matrix-search-clear-btn {
        height: 28px;
        padding: 0 8px;
        font-size: 0.72rem;
    }

    .matrix-topbar-actions {
        display: grid;
        grid-auto-flow: column;
        grid-auto-columns: max-content;
        align-items: center;
        gap: 3px;
        width: auto;
        min-width: 0;
        justify-content: end;
        overflow: visible;
        padding-bottom: 0;
        justify-self: end;
    }

    .matrix-topbar-actions.menu-open {
        overflow: visible;
    }

    .matrix-topbar-actions>* {
        min-width: 0;
    }

    .matrix-topbar-actions .matrix-size-toggle-btn,
    .matrix-topbar-actions .matrix-toggle-match-btn {
        min-width: 0;
        padding: 0 5px;
    }

    .matrix-topbar-actions>.matrix-toggle-match-btn {
        min-width: 0;
    }

    .matrix-limit-control,
    .matrix-size-control,
    .matrix-toggle-match-btn,
    .matrix-close-btn {
        width: auto;
        flex: 0 0 auto;
    }

    .matrix-size-control,
    .matrix-limit-control {
        display: inline-flex;
    }

    .matrix-size-toggle-btn,
    .matrix-toggle-match-btn {
        display: inline-flex;
        align-items: center;
        width: auto;
        justify-content: center;
    }

    .matrix-close-btn {
        display: inline-flex;
        align-items: center;
        width: auto;
        min-height: 28px;
        align-self: start;
        justify-content: center;
        padding: 0 8px;
        font-size: 0.72rem;
    }

    .matrix-size-options {
        left: 0;
        right: auto;
        width: max-content;
        min-width: 100%;
        max-width: calc(100vw - 20px);
        overflow: visible;
    }

    .matrix-size-options .matrix-size-btn {
        min-width: 30px;
        height: 24px;
        padding: 0 6px;
        font-size: 0.7rem;
    }

    #matrixSourceModeControl .matrix-size-options,
    #matrixSourceModeControl .matrix-size-options .matrix-size-btn {
        min-width: 64px;
    }

    .matrix-topbar-actions.menu-open .matrix-size-control.open,
    .matrix-topbar-actions.menu-open .matrix-limit-control.open {
        position: static;
        z-index: 40;
    }

    .matrix-topbar-actions.menu-open .matrix-size-control.open .matrix-size-options,
    .matrix-topbar-actions.menu-open .matrix-limit-control.open .matrix-size-options {
        position: absolute;
        top: calc(100% + 3px);
        left: 0;
        right: auto;
        width: max-content;
        min-width: 100%;
        max-width: calc(100vw - 20px);
        padding: 6px;
        overflow-x: visible;
        overflow-y: auto;
        max-height: min(40vh, 280px);
        border-radius: 12px;
        overscroll-behavior-y: contain;
        -webkit-overflow-scrolling: touch;
    }

    .matrix-toolbar {
        min-height: 0;
    }

    .matrix-combo-info {
        flex-wrap: nowrap;
        overflow-x: auto;
        overflow-y: hidden;
        gap: 6px;
        padding-bottom: 2px;
    }

    .matrix-combo-group {
        flex: 0 0 auto;
        flex-wrap: nowrap;
        gap: 4px;
    }

    .matrix-combo-empty {
        min-height: 24px;
        padding: 0 8px;
        font-size: 0.68rem;
        white-space: nowrap;
    }

    .matrix-combo-chip {
        padding: 4px 7px;
        font-size: 0.68rem;
        white-space: nowrap;
    }

    .matrix-trace-chip {
        padding: 3px 7px;
        font-size: 0.66rem;
        white-space: nowrap;
    }

    .matrix-content {
        gap: 6px;
    }

    .matrix-table-wrap {
        scrollbar-gutter: auto;
    }

    .matrix-row-id {
        width: 32px !important;
        min-width: 32px !important;
    }

    .matrix-shell.show-match-panel .matrix-content {
        grid-template-columns: 1fr;
        grid-template-rows: minmax(136px, 24vh) minmax(0, 1fr);
        height: 0;
    }

    .matrix-shell.show-match-panel .matrix-match-panel {
        max-height: none;
        height: auto;
    }
}

@media (max-width: 480px) {
    .matrix-shell {
        --matrix-topbar-control-padding-x: 6px;
        --matrix-topbar-control-font-size: 0.7rem;
        --matrix-topbar-control-min-width: 56px;
    }

    .container {
        padding: 10px 8px;
    }

    .title {
        font-size: 0.82rem;
        letter-spacing: 0;
    }

    .period-sum-controls {
        grid-template-columns: repeat(5, minmax(0, 1fr));
        gap: 6px;
    }

    .period-sum-section {
        padding: 10px 8px;
    }

    .period-sum-title {
        font-size: 0.82rem;
    }

    .period-sum-header .analyze-btn {
        height: 30px;
        padding: 0 10px;
        font-size: 0.76rem;
    }

    .gap-grid {
        grid-template-columns: 1fr;
    }

    .gap-bg-index {
        font-size: 3.2rem;
        left: 5px;
    }

    .sum-btn {
        font-size: 0.74rem;
        min-height: 32px;
        padding: 4px 2px;
    }

    .digit-badge {
        width: 22px;
        height: 22px;
        font-size: 0.82rem;
    }

    .result-count-info {
        font-size: 0.95rem;
    }

    .result-count-info strong {
        font-size: 1.1rem;
    }

    .dadi-step summary {
        padding: 8px 9px;
    }

    .dadi-step-title {
        font-size: 0.82rem;
    }

    .dadi-step-content {
        padding: 10px;
    }

    .dadi-pair-tag {
        font-size: 0.76rem;
    }

    .matrix-topbar-main {
        grid-template-columns: minmax(0, 1fr) auto auto;
    }

    .matrix-close-btn {
        padding: 0 7px;
        font-size: 0.7rem;
    }

    .matrix-row-id {
        width: 30px !important;
        min-width: 30px !important;
        font-size: 0.66rem !important;
    }

    .matrix-search-control {
        gap: 3px;
        padding: 2px 3px;
        grid-template-columns: 70px auto auto;
    }

    .matrix-search-input {
        width: 70px;
    }

    .matrix-search-btn,
    .matrix-search-clear-btn,
    .matrix-size-toggle-btn,
    .matrix-toggle-match-btn {
        font-size: var(--matrix-topbar-control-font-size);
    }

    .matrix-close-btn {
        font-size: 0.74rem;
    }

    .matrix-search-btn,
    .matrix-search-clear-btn {
        padding: 0 7px;
    }

    .matrix-pos-btn {
        min-width: 40px;
        font-size: 0.72rem;
        padding: 4px 5px;
    }

    .matrix-shell.show-match-panel .matrix-content {
        grid-template-rows: minmax(120px, 21vh) minmax(0, 1fr);
    }

    .matrix-combo-info {
        gap: 4px;
    }

    .matrix-combo-chip {
        padding: 3px 6px;
        font-size: 0.64rem;
    }

    .matrix-trace-chip {
        padding: 3px 6px;
        font-size: 0.62rem;
    }
}

@media (max-width: 380px) {
    .matrix-topbar-tools {
        grid-template-columns: 1fr;
    }

    .matrix-topbar-actions {
        grid-auto-flow: row;
        grid-template-columns: repeat(4, max-content);
        justify-content: start;
        justify-self: start;
    }
}

@media (pointer: coarse) and (min-width: 641px) {
    .matrix-shell {
        --matrix-topbar-control-height: 28px;
    }

    .matrix-pos-btn,
    .matrix-close-btn,
    .matrix-search-input,
    .matrix-search-btn,
    .matrix-search-clear-btn {
        min-height: 28px;
    }

    .matrix-pos-btn {
        padding-top: 4px;
        padding-bottom: 4px;
    }
}

/* Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
        filter: blur(1px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
        filter: blur(0);
    }
}

.animate-in {
    animation: fadeIn 0.24s ease-out;
}

/* ── 倒退验证内联标签 ── */
.retreat-actual-error {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 10px;
    border-radius: 6px;
    font-size: 0.95rem;
    font-weight: 700;
    background: rgba(100, 100, 100, 0.08);
    white-space: nowrap;
    margin-left: 6px;
}

@media (prefers-reduced-motion: reduce) {

    .animate-in,
    .sum-btn,
    .tab-btn,
    .stat-card,
    .analyze-btn,
    .apply-btn,
    .grid-num-item {
        animation: none !important;
        transition: none !important;
        transform: none !important;
    }
}

/* ═══ 备选面板 (Candidate Panel) ═══ */
.candidate-panel {
    position: fixed;
    top: 90px;
    right: 0;
    z-index: 900;
    display: flex;
    align-items: flex-start;
    pointer-events: auto;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.candidate-panel.collapsed .candidate-panel-inner {
    display: none;
}

.candidate-toggle-tab {
    width: 40px;
    min-height: 80px;
    border: 1px solid var(--border);
    border-right: none;
    border-radius: 12px 0 0 12px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(240, 247, 255, 0.95));
    backdrop-filter: blur(10px);
    box-shadow: -4px 0 16px rgba(19, 62, 141, 0.12);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 4px;
    transition: all 0.2s;
    position: relative;
}

.candidate-toggle-tab:hover {
    background: linear-gradient(135deg, rgba(235, 243, 255, 0.98), rgba(220, 235, 255, 0.98));
    box-shadow: -6px 0 20px rgba(19, 62, 141, 0.18);
}

.candidate-toggle-icon {
    font-size: 1.2rem;
}

.candidate-badge {
    position: absolute;
    top: 4px;
    right: 4px;
    min-width: 18px;
    height: 18px;
    border-radius: 9px;
    background: linear-gradient(135deg, #ef4444, #f43f5e);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
    box-shadow: 0 2px 6px rgba(239, 68, 68, 0.4);
}

.candidate-panel-inner {
    width: 280px;
    max-height: 60vh;
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid var(--border);
    border-right: none;
    border-radius: 14px 0 0 14px;
    box-shadow: -8px 0 30px rgba(19, 62, 141, 0.15);
    backdrop-filter: blur(14px);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.candidate-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
}

.candidate-panel-header h3 {
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--text);
    margin: 0;
    padding: 0;
    border: none;
}

.candidate-clear-btn {
    background: transparent;
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #ef4444;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.candidate-clear-btn:hover {
    background: rgba(239, 68, 68, 0.08);
    border-color: #ef4444;
}

.candidate-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    scrollbar-width: thin;
    scrollbar-color: #9ab9e8 transparent;
}

.candidate-list .empty-hint {
    padding: 20px 0;
    font-size: 0.82rem;
}

.candidate-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    background: rgba(245, 248, 255, 0.8);
    border: 1px solid rgba(107, 142, 193, 0.2);
    border-radius: 8px;
    transition: all 0.15s;
}

.candidate-item:hover {
    background: rgba(230, 240, 255, 0.9);
    border-color: rgba(47, 114, 255, 0.3);
}

.candidate-item-info {
    flex: 1;
    min-width: 0;
}

.candidate-item-label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: block;
}

.candidate-item-count {
    font-size: 0.7rem;
    color: var(--text-secondary);
    font-family: var(--mono);
}

.candidate-remove-btn {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 1px solid rgba(239, 68, 68, 0.3);
    background: transparent;
    color: #ef4444;
    font-size: 0.75rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
    flex-shrink: 0;
}

.candidate-remove-btn:hover {
    background: rgba(239, 68, 68, 0.1);
    border-color: #ef4444;
}

.candidate-actions {
    padding: 10px 14px;
    border-top: 1px solid var(--border);
}

.candidate-intersect-btn {
    width: 100%;
    padding: 10px;
    border: none;
    border-radius: 10px;
    background: linear-gradient(135deg, #2563eb, #4f46e5);
    color: #fff;
    font-size: 0.88rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 6px 18px rgba(37, 99, 235, 0.3);
}

.candidate-intersect-btn:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 8px 22px rgba(37, 99, 235, 0.4);
}

.candidate-intersect-btn:disabled {
    background: #cbd5e1;
    color: #94a3b8;
    cursor: not-allowed;
    box-shadow: none;
}

/* ═══ 添加到备选按钮 ═══ */
.add-candidate-btn {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #fff;
    border: none;
    padding: 8px 14px;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.add-candidate-btn:hover {
    background: linear-gradient(135deg, #d97706, #b45309);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(217, 119, 6, 0.3);
}

.add-candidate-btn.added {
    background: #10b981;
    pointer-events: none;
}

/* ═══ 交集结果弹窗 ═══ */
.intersection-modal {
    position: fixed;
    inset: 0;
    z-index: 1100;
    display: flex;
    align-items: center;
    justify-content: center;
}

.intersection-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(4px);
}

.intersection-dialog {
    position: relative;
    width: 90%;
    max-width: 640px;
    max-height: 80vh;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: 0 24px 64px rgba(19, 62, 141, 0.25);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: fadeIn 0.2s ease-out;
}

.intersection-dialog-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}

.intersection-dialog-header h3 {
    margin: 0;
    padding: 0;
    border: none;
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
}

.intersection-close-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.9);
    color: var(--text-secondary);
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
}

.intersection-close-btn:hover {
    background: rgba(239, 68, 68, 0.08);
    border-color: #fca5a5;
    color: #ef4444;
}

.intersection-dialog-body {
    padding: 16px 20px;
    overflow-y: auto;
    flex: 1;
}

.intersection-info {
    font-size: 0.92rem;
    color: var(--text);
    margin-bottom: 12px;
}

.intersection-info strong {
    color: var(--accent);
    font-size: 1.1rem;
}

/* 移动端适配 */
@media (max-width: 640px) {
    .candidate-panel-inner {
        width: min(240px, 65vw);
    }

    .candidate-toggle-tab {
        width: 30px;
        min-height: 56px;
        padding: 6px 3px;
    }

    .candidate-toggle-icon {
        font-size: 1rem;
    }

    .candidate-panel-header {
        padding: 10px 10px;
    }

    .candidate-panel-header h3 {
        font-size: 0.85rem;
    }

    .candidate-item {
        padding: 6px 8px;
        gap: 6px;
    }

    .candidate-item-label {
        font-size: 0.72rem;
    }

    .candidate-actions {
        padding: 8px 10px;
    }

    .candidate-intersect-btn {
        padding: 8px;
        font-size: 0.82rem;
    }

    .intersection-dialog {
        width: 95%;
        max-height: 85vh;
    }

    .intersection-dialog-header {
        padding: 12px 14px;
    }

    .intersection-dialog-body {
        padding: 12px 14px;
    }

    .error-input-group label {
        font-size: 0.85rem;
    }

    .custom-select {
        width: 64px;
    }

    .custom-select-trigger {
        min-height: 36px;
        padding: 6px 20px 6px 8px;
        font-size: 0.88rem;
    }
}

/* 竖向超宽屏 / 长宽比响应式优化 (解决极窄屏压爆版面的问题) */
@media (max-width: 1080px) {
    .container {
        padding: 12px 14px 16px 14px;
    }
    
    .analysis-overview,
    .content-layout {
        /* 取消双栏网格，完全改为垂直堆叠 */
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .data-card {
        margin-bottom: 2px;
    }

    .top-actions {
        flex-wrap: wrap; /* 允许顶部工具栏换行 */
    }

    .tab-bar {
        /* 控制所有标签横向弹性滚动，不允许截断换行 */
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }
    
    .tab-bar::-webkit-scrollbar {
        display: none;
    }
    
    .error-controls {
        flex-wrap: wrap;
    }

    /* 遗漏统计卡片字号收紧 */
    .gap-grid {
        grid-template-columns: repeat(5, minmax(0, 1fr));
        gap: 8px;
    }

    .gap-grid .digit-badge {
        width: 34px;
        height: 34px;
        font-size: 1.2rem;
    }

    .gap-grid .digit-gap-item .digit-badge {
        width: 32px;
        height: 32px;
        font-size: 1rem;
    }

    .gap-bg-index {
        font-size: 2.6rem;
    }

    .gap-head-gap {
        font-size: 1rem;
    }

    .gap-head-gap strong {
        font-size: 1.1rem;
    }

    .gap-label-3pos {
        font-size: 1rem;
    }

    .gap-title-3pos .stat-gap strong {
        font-size: 1.05rem;
    }

    .digit-gap-item .gap-value {
        font-size: 0.85rem;
    }

    .gap-grid .gap-card {
        min-height: 120px;
        gap: 6px;
        padding: 12px 10px;
    }

    .gap-head {
        min-height: 48px;
    }
}