:root {
    color-scheme: light;
    --panel-border: #c7ced6;
    --ink: #17212b;
    --muted: #4d5b69;
    --accent: #0d6efd;
    --accent-soft: #d7e7ff;
    --cell-green: #68b24b;
    --cell-orange: #ef941a;
    --shadow: 0 18px 48px rgba(18, 38, 63, 0.12);
    --sheet-shadow: 0 14px 34px rgba(18, 38, 63, 0.14);
    --paper-width: 297mm;
    --paper-height: 210mm;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    min-height: 100%;
    background:
        radial-gradient(circle at top right, rgba(13, 110, 253, 0.08), transparent 22%),
        linear-gradient(180deg, #f6f8fb 0%, #e8edf3 100%);
    color: var(--ink);
}

.app-shell {
    min-height: 100vh;
}

.app-footer {
    color: var(--muted);
}

.app-footer a {
    color: inherit;
    text-decoration: none;
}

.app-footer a:hover {
    text-decoration: underline;
}

.print-warning-dialog {
    width: min(100% - 2rem, 29rem);
    padding: 0;
    border: 0;
    border-radius: 1.1rem;
    background: transparent;
    box-shadow: none;
}

.print-warning-dialog::backdrop {
    background: rgba(23, 33, 43, 0.38);
    backdrop-filter: blur(3px);
}

.print-warning-card {
    margin: 0;
    padding: 1.4rem;
    border: 1px solid rgba(215, 221, 229, 0.95);
    border-radius: 1.1rem;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow);
}

.app-header,
.toolbar,
.panel,
.preview-frame {
    background: rgba(255, 255, 255, 0.88);
    border: 1px solid rgba(215, 221, 229, 0.95);
    box-shadow: var(--shadow);
    backdrop-filter: blur(12px);
}

.panel {
    position: relative;
}

.inspector > .panel:first-child,
.inspector > .panel:first-child .card-body {
    overflow: visible;
}

.inspector > .panel:first-child {
    z-index: 3;
}

.inspector > .panel:last-child {
    z-index: 1;
}

.inspector {
    position: sticky;
    top: 1rem;
    isolation: isolate;
}

.preview-column {
    min-width: 0;
}

.preview-frame {
    overflow: auto;
    border-radius: 1.25rem;
    background: radial-gradient(circle at 12mm 12mm, rgba(215, 221, 229, 0.95) 1px, transparent 1px);
    background-size: 24px 24px;
}

.paper-sheet {
    width: var(--paper-width);
    min-height: 120mm;
    padding: 10mm 12mm;
    margin: 0 auto;
    background: #fff;
    box-shadow: var(--sheet-shadow);
    position: relative;
    overflow: visible;
}

.sheet-title {
    margin-bottom: 6mm;
    font-size: 0.85rem;
    color: var(--muted);
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.label-strip {
    display: flex;
    align-items: flex-start;
    gap: 0;
    width: max-content;
    border-top: 0.3mm solid #111;
    border-left: 0.3mm solid #111;
}

.label-cell {
    flex: 0 0 auto;
    display: grid;
    grid-template-rows: auto auto 1fr;
    justify-items: center;
    align-content: start;
    gap: 1.2mm;
    padding: 0.4mm 0.8mm 0.8mm;
    background: #fff;
    color: #000;
    border-radius: 0;
    position: relative;
    isolation: isolate;
    user-select: none;
    border-right: 0.3mm solid #111;
    border-bottom: 0.3mm solid #111;
}

.label-cell.selected {
    z-index: 3;
    box-shadow:
        inset 0 0 0 0.35mm rgba(255, 255, 255, 0.95),
        0 0 0 0.7mm var(--accent),
        0 2.4mm 5mm rgba(13, 110, 253, 0.24);
    background: linear-gradient(180deg, rgba(215, 231, 255, 0.72) 0%, rgba(255, 255, 255, 0.98) 100%);
}

.cell-head {
    display: contents;
}

.cell-index {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 5.8mm;
    padding: 0.2mm 1mm;
    font-size: 2.8mm;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: #fff;
    border-radius: 1mm;
    line-height: 1;
    background: var(--cell-badge-color, #43a047);
}

.color-select-wrap {
    position: relative;
}

.color-select-chip {
    position: absolute;
    top: 50%;
    left: 0.75rem;
    transform: translateY(-50%);
    width: 0.95rem;
    height: 0.95rem;
    border: 1px solid var(--panel-border);
    border-radius: 999px;
    background: #43a047;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.35);
    pointer-events: none;
    z-index: 1;
}

.color-select-chip.mixed {
    background: linear-gradient(135deg, #43a047 0%, #1e88e5 50%, #e53935 100%);
}

.color-select-input {
    padding-left: 2.25rem;
}

.cell-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 9.5mm;
    height: 9.5mm;
    color: #000;
}

.cell-icon .mdi {
    font-size: 7.8mm;
    line-height: 1;
}

.cell-text {
    min-height: 0;
    width: 100%;
    font-size: 2.7mm;
    line-height: 1.18;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    outline: none;
    user-select: text;
    text-align: center;
}

.cell-text:empty::before {
    content: attr(data-placeholder);
    color: #6f7b86;
}

.ts-wrapper.single .ts-control,
.ts-wrapper.single.input-active .ts-control {
    min-height: calc(1.5em + 1.2rem + 2px);
    padding: 0.5rem 0.75rem;
    border-color: var(--panel-border);
    box-shadow: none;
}

.ts-wrapper {
    position: relative;
    z-index: 4;
}

.ts-wrapper.single .ts-control,
.ts-dropdown {
    border-radius: 0.75rem;
}

.ts-wrapper.focus .ts-control {
    border-color: rgba(13, 110, 253, 0.6);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.16);
}

.ts-dropdown {
    position: absolute;
    border-color: var(--panel-border);
    box-shadow: 0 18px 36px rgba(18, 38, 63, 0.18);
    z-index: 40;
}

.ts-dropdown .option,
.ts-dropdown .no-results {
    padding: 0.55rem 0.7rem;
}

.ts-dropdown .active {
    background: var(--accent-soft);
    color: var(--ink);
}

.ts-dropdown-content {
    max-height: min(350px, 50vh);
}


.icon-select-option,
.icon-select-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.icon-preview {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
}

.icon-preview-button,
.icon-preview-dropdown {
    width: 1.5rem;
    height: 1.5rem;
}

.icon-preview-cell {
    width: 9.5mm;
    height: 9.5mm;
}

.icon-preview-cell .mdi {
    font-size: 7.8mm;
}

.icon-preview-button .mdi,
.icon-preview-dropdown .mdi {
    font-size: 1.25rem;
    line-height: 1;
}

@media (max-width: 1399.98px) {
    .inspector {
        position: static;
    }
}

@media (max-width: 991.98px) {
    .paper-sheet {
        margin-left: 0;
    }
}

@page {
    size: A4 landscape;
    margin: 8mm;
}

@media print {
    html,
    body {
        background: #fff;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .cell-text:empty::before {
        content: none;
    }

    .preview-frame {
        box-shadow: none !important;
        border-radius: 0;
        overflow: visible;
    }

    .app-header,
    .toolbar,
    .inspector,
    .sheet-title,
    .app-footer {
        display: none !important;
    }

    .app-shell,
    .workspace,
    .preview-column,
    .preview-frame {
        padding: 0;
        margin: 0;
        display: block;
        border: 0;
        background: transparent;
    }

    .preview-frame .card-body {
        padding: 0 !important;
        background: transparent !important;
    }

    .paper-sheet {
        width: auto;
        min-height: auto;
        padding: 8mm 10mm;
        margin: 0;
        box-shadow: none;
        border-radius: 0;
        overflow: visible;
    }

    .label-cell.selected {
        z-index: auto;
        box-shadow: none;
        background: #fff;
        outline: none;
    }
}