@font-face {
    font-family: "MindeckGlobal";
    src: local("Times New Roman"), url("/static/fonts/times.ttf") format("truetype");
    unicode-range: U+0000-024F, U+1E00-1EFF, U+2000-206F, U+20A0-20CF;
    font-display: swap;
}

@font-face {
    font-family: "MindeckGlobal";
    src: local("SimSun"), local("Songti SC"), local("宋体"), url("/static/fonts/simsun.ttc") format("truetype-collection");
    unicode-range: U+2E80-2EFF, U+3000-303F, U+31C0-31EF, U+3400-4DBF, U+4E00-9FFF, U+F900-FAFF;
    font-display: swap;
}

:root {
    --bg-main: #f3f7f6;
    --bg-card: #ffffff;
    --ink-1: #102a43;
    --ink-2: #425466;
    --line: #d8e2ea;
    --accent: #0f766e;
    --accent-2: #1d4ed8;
    --accent-soft: #d3f3ef;
    --danger: #b42318;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    width: 100%;
    height: 100%;
    font-family: "MindeckGlobal", "Times New Roman", "SimSun", serif;
    color: var(--ink-1);
    background:
        radial-gradient(circle at 0% 0%, #d9f6f1 0%, transparent 38%),
        radial-gradient(circle at 100% 100%, #dbe9ff 0%, transparent 42%),
        var(--bg-main);
}

input,
select,
button,
textarea {
    font-family: "MindeckGlobal", "Times New Roman", "SimSun", serif;
}

.app-shell {
    height: 100vh;
    width: 100vw;
    padding: 12px;
    display: grid;
    grid-template-rows: auto 1fr;
    gap: 12px;
}

.hero {
    background: linear-gradient(130deg, #0f766e, #1d4ed8);
    color: #fff;
    border-radius: 16px;
    padding: 16px 18px;
    box-shadow: 0 10px 20px rgba(16, 42, 67, 0.16);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
}

.hero h1 {
    margin: 0;
    font-size: 26px;
    line-height: 1.15;
}

.hero p {
    margin: 6px 0 0;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.93);
}

.hero-meta {
    font-size: 13px;
    background: rgba(255, 255, 255, 0.18);
    border: 1px solid rgba(255, 255, 255, 0.28);
    border-radius: 999px;
    padding: 6px 12px;
    white-space: nowrap;
}

.layout {
    min-height: 0;
    display: grid;
    grid-template-columns: 390px 1fr;
    gap: 12px;
}

.panel {
    min-height: 0;
    background: var(--bg-card);
    border: 1px solid var(--line);
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 8px 18px rgba(16, 42, 67, 0.08);
}

.sidebar,
.main-panel {
    display: grid;
    grid-template-rows: auto 1fr;
}

.panel-head {
    padding: 11px 14px;
    border-bottom: 1px solid var(--line);
    font-size: 14px;
    font-weight: 700;
    background: #f8fbff;
}

.panel-body,
.content {
    padding: 12px;
}

.scrollable {
    overflow: auto;
}

.field {
    margin-bottom: 10px;
}

.field label {
    display: block;
    margin-bottom: 5px;
    font-size: 12px;
    color: var(--ink-2);
    font-weight: 700;
}

.field input,
.field select,
.field textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 9px;
    padding: 8px 10px;
    font-size: 14px;
    outline: none;
    background: #fff;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(15, 118, 110, 0.14);
}

.upload-dropzone {
    margin-top: 8px;
    border: 1px dashed #94a3b8;
    border-radius: 10px;
    padding: 10px 12px;
    font-size: 12px;
    color: var(--ink-2);
    background: #f8fbff;
    text-align: center;
    cursor: pointer;
    transition: all 0.15s ease;
}

.upload-dropzone.dragover {
    border-color: var(--accent);
    background: #ecfdf5;
    color: #065f46;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6px;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 6px;
}

.btn {
    border: 1px solid transparent;
    border-radius: 9px;
    padding: 8px 10px;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
}

.btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
}

.btn-secondary {
    background: #eff6ff;
    color: #1e40af;
    border-color: #bfdbfe;
}

.btn-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
}

.btn-row.multi {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.btn-row select {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 9px;
    padding: 8px 10px;
    font-size: 13px;
    background: #fff;
}

.inline-check {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border: 1px solid var(--line);
    border-radius: 9px;
    padding: 8px 10px;
    font-size: 13px;
    color: var(--ink-2);
    background: #fff;
}

.divider {
    height: 1px;
    background: var(--line);
    margin: 10px 0;
}

.compact-info {
    font-size: 13px;
    color: var(--ink-2);
}

.tabs {
    display: flex;
    gap: 6px;
    padding: 10px;
    border-bottom: 1px solid var(--line);
    background: #f8fbff;
}

.tab-btn {
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 7px 12px;
    background: #fff;
    color: var(--ink-2);
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
}

.tab-btn.active {
    border-color: transparent;
    background: linear-gradient(130deg, #0f766e, #1d4ed8);
    color: #fff;
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    margin-bottom: 8px;
}

.info-card {
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 9px;
    background: #fff;
}

.info-label {
    font-size: 12px;
    color: var(--ink-2);
    margin-bottom: 3px;
}

.info-value {
    font-size: 14px;
    font-weight: 800;
    line-height: 1.25;
}

.xrd-controls {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 8px;
    margin-bottom: 12px;
}

.xrd-actions {
    margin-bottom: 14px;
}

.xrd-wrap {
    border: 1px solid var(--line);
    border-radius: 10px;
    background: #fff;
    padding: 8px;
    min-height: 260px;
}

.xrd-wrap canvas {
    width: 100% !important;
    height: 100% !important;
}

.xrd-workbench {
    display: grid;
    grid-template-columns: minmax(0, 1.55fr) minmax(320px, 0.85fr);
    gap: 10px;
    align-items: start;
}

.xrd-main {
    min-width: 0;
}

.inverse-xrd-page {
    display: grid;
    gap: 10px;
}

.xrd-inverse {
    border: 1px solid var(--line);
    border-radius: 10px;
    background: #fff;
    padding: 10px;
    display: grid;
    gap: 0;
}

.panel-head.mini {
    margin: -10px -10px 10px;
    padding: 9px 10px;
    border-bottom: 1px solid var(--line);
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
    background: #f8fbff;
    font-size: 13px;
    font-weight: 700;
}

.inverse-panel-title {
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding-top: 12px;
    padding-bottom: 8px;
    line-height: 1.2;
    transform: translateY(3px);
}

.inverse-result {
    margin-top: 8px;
    border: 1px solid var(--line);
    border-radius: 9px;
    padding: 8px;
    background: #fcfdff;
    font-size: 12px;
}

.inverse-best {
    display: grid;
    gap: 4px;
    margin-bottom: 8px;
}

.inverse-table-wrap {
    margin-top: 0;
    max-height: 260px;
}

.inverse-visual-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.inverse-panel {
    border: 1px solid var(--line);
    border-radius: 10px;
    background: #fff;
    overflow: hidden;
}

.inverse-viewer-canvas {
    height: 520px;
    border-top: 1px solid var(--line);
    background:
        radial-gradient(circle at 18% 16%, #f8fafc 0%, #edf2f7 45%, #e2e8f0 100%);
}

.inverse-compare-wrap {
    height: 520px;
    border-top: 1px solid var(--line);
    padding: 8px;
    background: #fff;
}

.inverse-compare-wrap canvas {
    width: 100% !important;
    height: 100% !important;
}

.freq-page {
    display: grid;
    gap: 10px;
}

.freq-panel {
    border: 1px solid var(--line);
    border-radius: 10px;
    background: #fff;
    padding: 10px;
}

.freq-summary {
    display: flex;
    align-items: center;
    min-height: 38px;
    padding: 0 8px;
    border: 1px solid var(--line);
    border-radius: 9px;
    background: #fff;
    font-size: 12px;
}

.freq-controls-top {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 8px;
    align-items: end;
}

.freq-ternary-inputs {
    margin-bottom: 0;
}

.freq-upload-actions {
    display: grid;
    grid-template-columns: auto auto auto 1fr;
    gap: 8px;
    align-items: center;
}

.freq-periodic-top {
    margin-top: 2px;
}

.freq-legend {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1px solid var(--line);
    border-radius: 9px;
    padding: 8px 10px;
    background: #fff;
}

.freq-legend.vertical {
    flex-direction: row;
    align-items: stretch;
    justify-content: center;
    min-height: 120px;
    border: none;
    background: transparent;
    padding: 0;
}

.freq-legend-bar {
    width: 120px;
    height: 10px;
    border-radius: 999px;
    background: linear-gradient(90deg, #eef6ff, #1d4ed8);
    border: 1px solid #d8e2ea;
}

.freq-legend.vertical .freq-legend-bar {
    width: 10px;
    height: 320px;
    border-radius: 8px;
    border: 1px solid #d8e2ea;
}

.freq-legend-ticks {
    height: 320px;
    min-width: 44px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0;
    font-size: 11px;
    color: var(--ink-2);
    line-height: 1;
    user-select: none;
}

.freq-legend-ticks span {
    display: block;
    white-space: nowrap;
}

.freq-periodic-grid {
    display: grid;
    grid-template-columns: repeat(18, minmax(0, 1fr));
    grid-auto-rows: 52px;
    gap: 4px;
    overflow: visible;
    justify-content: center;
}

.freq-periodic-tools {
    margin-top: 8px;
    display: grid;
    grid-template-columns: repeat(8, minmax(0, 1fr));
    gap: 8px;
    align-items: end;
}

.freq-periodic-tools .field {
    margin-bottom: 0;
}

.freq-periodic-canvas {
    margin-top: 8px;
    min-height: 560px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: #fff;
    padding: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    overflow: auto;
}

.freq-periodic-grid-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
}

.freq-cell {
    border: 1px solid var(--line);
    border-radius: 4px;
    min-height: 0;
    background: #f8fafc;
    padding: 4px;
    display: grid;
    grid-template-rows: auto auto;
    align-content: space-between;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    text-align: center;
}

.freq-cell .sym {
    font-size: 13px;
    font-weight: 800;
}

.freq-cell .cnt {
    font-size: 11px;
    color: #0f172a;
}

.freq-cell.blank {
    visibility: hidden;
}

.freq-ternary-wrap {
    margin-top: 8px;
    height: 560px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: #fff;
    padding: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 22px;
    overflow: auto;
}

.freq-ternary-wrap canvas {
    flex: 1 1 auto;
    min-width: 320px;
    width: auto !important;
    height: 100% !important;
}

.freq-ternary-wrap .freq-legend.vertical {
    flex: 0 0 auto;
}

.freq-ternary-toolbar {
    margin-top: 8px;
    display: grid;
    grid-template-columns: repeat(11, minmax(0, 1fr));
    gap: 8px;
    align-items: end;
}

.freq-ternary-toolbar .field {
    margin-bottom: 0;
}

.freq-ternary-toolbar .inline-check {
    align-self: end;
    margin-bottom: 2px;
}

.viewer-grid {
    display: grid;
    grid-template-columns: 1.65fr 1fr;
    gap: 10px;
}

.viewer-panel {
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 10px;
    background: #fff;
}

.viewer-controls {
    display: grid;
    grid-template-columns: 1fr 1.25fr auto auto;
    gap: 8px;
    align-items: end;
    margin-bottom: 8px;
}

.viewer-action {
    height: 42px;
    min-height: 42px;
    align-self: end;
    line-height: 1;
    white-space: nowrap;
}

.viewer-controls .field {
    margin-bottom: 0;
}

.viewer-controls .field select,
.viewer-controls .field .grid-3 input {
    height: 42px;
}

.viewer-tools {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 8px;
    align-items: center;
    margin-bottom: 10px;
}

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

.viewer-export-wrap {
    position: relative;
}

.viewer-export-menu {
    position: absolute;
    right: 0;
    top: calc(100% + 6px);
    min-width: 200px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: #fff;
    box-shadow: 0 12px 24px rgba(16, 42, 67, 0.14);
    padding: 8px;
    z-index: 25;
}

.viewer-export-title {
    font-size: 11px;
    color: var(--ink-2);
    font-weight: 700;
    padding: 2px 8px 6px;
}

.viewer-export-item {
    width: 100%;
    text-align: left;
    border: 1px solid transparent;
    border-radius: 8px;
    background: #fff;
    color: var(--ink-1);
    font-size: 13px;
    padding: 7px 8px;
    cursor: pointer;
}

.viewer-export-item:hover {
    background: #eff6ff;
    border-color: #bfdbfe;
}

.viewer-export-divider {
    height: 1px;
    background: var(--line);
    margin: 6px 0;
}

.viewer-canvas {
    height: 640px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background:
        radial-gradient(circle at 15% 12%, #f8fafc 0%, #edf2f7 45%, #e2e8f0 100%);
    overflow: hidden;
    margin-bottom: 8px;
}

.viewer-analysis {
    margin-top: 8px;
}

.lattice-edit-grid input {
    text-align: center;
}

.lattice-edit-divider {
    margin-top: 16px;
    margin-bottom: 12px;
}

.viewer-atom-count {
    margin-top: 14px;
    padding-top: 8px;
    border-top: 1px solid #edf2f7;
}

.editor-tip {
    margin-top: 12px;
}

.lattice-tip {
    margin-top: 10px;
}

#selectedInstanceHint {
    margin-top: -2px;
    margin-bottom: 8px;
}

.primitive-edit-row {
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 26px;
}

.primitive-edit-row .primitive-edit-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin: 0;
    margin-bottom: 0;
    font-size: 13px;
    font-weight: 600;
    color: var(--ink-1);
    font-family: "SimSun", "Songti SC", "MindeckGlobal", serif;
    line-height: 26px;
    height: 26px;
    cursor: pointer;
}

.primitive-edit-row .primitive-edit-toggle input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin: 0;
    flex: 0 0 18px;
    vertical-align: middle;
}

.primitive-edit-row .primitive-edit-toggle span {
    display: inline-flex;
    align-items: center;
    height: 26px;
}

.primitive-edit-row .primitive-edit-note {
    font-size: 13px;
    color: var(--ink-2);
    font-family: "SimSun", "Songti SC", "MindeckGlobal", serif;
    line-height: 26px;
    height: 26px;
    display: inline-flex;
    align-items: center;
}

.notice {
    margin-bottom: 10px;
    border-radius: 10px;
    padding: 9px 10px;
    font-size: 13px;
    border: 1px solid #b8f2ea;
    background: var(--accent-soft);
    color: #0f5132;
}

.notice.error {
    border-color: #fecaca;
    background: #fef2f2;
    color: var(--danger);
}

.hidden {
    display: none !important;
}

.model-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
}

.model-item {
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 8px 10px 8px 34px;
    font-size: 12px;
    position: relative;
    background: #fff;
}

.model-item input[type="checkbox"] {
    position: absolute;
    left: 10px;
    top: 10px;
}

.result-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
}

.metric-grid {
    display: grid;
    grid-template-columns: auto 1fr;
    column-gap: 6px;
    row-gap: 3px;
    align-items: baseline;
}

.metric-label {
    color: var(--ink-2);
    font-size: 11px;
    font-weight: 700;
}

.metric-value {
    font-size: 13px;
    color: var(--ink-1);
}

.metric-value sup,
.result-unit sup {
    font-size: 0.78em;
    line-height: 0;
}

.metric-value sub,
.result-unit sub {
    font-size: 0.78em;
    line-height: 0;
}

.result-card {
    border: 1px solid var(--line);
    border-left: 4px solid var(--accent-2);
    border-radius: 10px;
    padding: 9px;
}

.result-card h4 {
    margin: 0 0 4px;
    font-size: 12px;
    color: var(--ink-2);
}

.result-value {
    font-size: 22px;
    font-weight: 800;
}

.result-unit {
    margin-left: 4px;
    font-size: 12px;
    color: var(--ink-2);
}

.progress-box {
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 10px;
    margin-bottom: 10px;
    background: #fff;
}

.progress-head {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    margin-bottom: 6px;
    color: var(--ink-2);
}

.progress-track {
    height: 10px;
    border-radius: 999px;
    background: #e5e7eb;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    width: 0;
    background: linear-gradient(130deg, #0f766e, #1d4ed8);
    transition: width 0.2s ease;
}

.batch-controls {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
}

.table-wrap {
    margin-top: 8px;
    border: 1px solid var(--line);
    border-radius: 10px;
    overflow: auto;
    max-height: 330px;
}

.result-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.result-table th,
.result-table td {
    border-bottom: 1px solid #edf2f7;
    padding: 7px 8px;
    text-align: left;
    white-space: nowrap;
}

.result-table thead th {
    position: sticky;
    top: 0;
    background: #f8fbff;
    z-index: 1;
}

.muted {
    color: var(--ink-2);
    font-size: 12px;
}

@media (max-width: 1280px) {
    .layout {
        grid-template-columns: 340px 1fr;
    }

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

    .xrd-workbench {
        grid-template-columns: 1fr;
    }

    .xrd-inverse {
        min-height: 0;
    }

    .inverse-visual-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 980px) {
    .app-shell {
        height: auto;
        min-height: 100vh;
    }

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

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

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

    .result-list { grid-template-columns: 1fr; }
    .model-list { grid-template-columns: 1fr; }

    .batch-controls {
        grid-template-columns: 1fr;
    }

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

    .freq-controls-top {
        grid-template-columns: 1fr 1fr;
    }

    .freq-upload-actions {
        grid-template-columns: 1fr;
    }

    .freq-periodic-grid {
        grid-template-columns: repeat(9, minmax(0, 1fr));
    }

    .freq-periodic-tools {
        grid-template-columns: 1fr 1fr;
    }

    .freq-periodic-canvas {
        min-height: 420px;
    }

    .freq-ternary-wrap {
        height: 420px;
    }

    .freq-ternary-toolbar {
        grid-template-columns: 1fr 1fr;
    }

    .freq-ternary-wrap {
        gap: 12px;
    }

    .viewer-controls {
        grid-template-columns: 1fr;
    }

    .viewer-tools {
        grid-template-columns: 1fr;
    }

    .grid-4 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}