:root {
    --bg: #edf7fe;
    --bg-strong: #f9fdff;
    --ink: #103049;
    --ink-soft: #648099;
    --line: #c7deee;
    --accent: #0087cb;
    --accent-dark: #00679a;
    --teal: #1ac5eb;
    --teal-soft: #ddf8fd;
    --danger: #b42318;
    --danger-soft: #ffe7e2;
    --warning-soft: #fff3da;
    --success-soft: #dff6ff;
    --card: rgba(255, 255, 255, 0.92);
    --shadow: 0 24px 60px rgba(8, 53, 87, 0.12);
    --radius: 24px;
    --radius-sm: 16px;
    --font-body: "Bahnschrift", "Trebuchet MS", sans-serif;
    --font-display: "Aptos Display", "Arial Narrow", "Trebuchet MS", sans-serif;
}

* {
    box-sizing: border-box;
}

[hidden] {
    display: none !important;
}

body {
    margin: 0;
    color: var(--ink);
    background:
        radial-gradient(circle at top left, rgba(26, 197, 235, 0.18), transparent 24%),
        radial-gradient(circle at bottom right, rgba(0, 135, 203, 0.16), transparent 32%),
        var(--bg);
    font-family: var(--font-body);
    line-height: 1.45;
}

a {
    color: inherit;
}

h1, h2, h3, strong {
    font-family: var(--font-display);
    letter-spacing: 0.01em;
}

p {
    color: var(--ink-soft);
}

input, select, textarea, button {
    font: inherit;
}

input, select, textarea {
    width: 100%;
    border: 1px solid var(--line);
    background: #fffefb;
    border-radius: 14px;
    padding: 0.9rem 1rem;
    color: var(--ink);
}

textarea {
    resize: vertical;
}

label {
    display: grid;
    gap: 0.45rem;
}

label span {
    font-size: 0.92rem;
    color: var(--ink-soft);
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.95rem 1.3rem;
    border-radius: 999px;
    border: none;
    background: linear-gradient(135deg, var(--accent), var(--teal));
    color: white;
    text-decoration: none;
    cursor: pointer;
    box-shadow: 0 14px 24px rgba(0, 135, 203, 0.25);
    transition: background 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.button:hover {
    background: linear-gradient(135deg, var(--accent-dark), var(--accent));
    transform: translateY(-1px);
}

.button-secondary {
    background: white;
    color: var(--ink);
    border: 1px solid var(--line);
    box-shadow: none;
}

.button-ghost {
    background: transparent;
    color: var(--ink-soft);
    border: 1px dashed var(--line);
    box-shadow: none;
}

.button-full {
    width: 100%;
}

.app-shell {
    display: grid;
    grid-template-columns: 300px 1fr;
    min-height: 100vh;
}

.shell-backdrop,
.mobile-topbar {
    display: none;
}

.sidebar {
    padding: 2rem;
    border-right: 1px solid rgba(23, 32, 42, 0.08);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(241, 250, 255, 0.95)),
        radial-gradient(circle at top left, rgba(26, 197, 235, 0.12), transparent 36%);
    display: flex;
    flex-direction: column;
    gap: 2rem;
    position: sticky;
    top: 0;
    min-height: 100vh;
}

.brand {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.brand-icon-wrap,
.form-brand-icon {
    border-radius: 22px;
    box-shadow: 0 16px 28px rgba(0, 135, 203, 0.18);
}

.brand-icon-wrap {
    width: 64px;
    height: 64px;
    padding: 0.35rem;
    background: rgba(255, 255, 255, 0.98);
    display: grid;
    place-items: center;
    border: 1px solid rgba(0, 135, 203, 0.1);
}

.brand-icon,
.form-brand-icon {
    display: block;
}

.brand-icon {
    width: 100%;
    height: auto;
}

.brand-copy {
    display: grid;
    gap: 0.55rem;
}

.brand-wordmark {
    width: min(180px, 100%);
    height: auto;
    display: block;
}

.brand-wordmark--reverse {
    width: min(260px, 100%);
}

.brand span,
.user-chip span {
    display: block;
    color: var(--ink-soft);
    font-size: 0.92rem;
}

.nav-links {
    display: grid;
    gap: 0.6rem;
}

.nav-section {
    font-size: 0.76rem;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--ink-soft);
    margin-top: 0.85rem;
    padding: 0 0.2rem;
}

.nav-links a {
    text-decoration: none;
    padding: 0.95rem 1rem;
    border-radius: 16px;
    transition: background 0.18s ease, transform 0.18s ease;
    display: block;
}

.nav-links a:hover {
    background: rgba(255, 255, 255, 0.88);
    transform: translateX(4px);
}

.nav-links a.is-active {
    background: linear-gradient(135deg, rgba(0, 135, 203, 0.13), rgba(26, 197, 235, 0.14));
    border: 1px solid rgba(0, 135, 203, 0.16);
}

.sidebar-footer {
    margin-top: auto;
    display: grid;
    gap: 1rem;
}

.main-content {
    padding: 2.2rem;
    display: grid;
    gap: 1.5rem;
    align-content: start;
}

.card {
    background: var(--card);
    border: 1px solid rgba(255, 255, 255, 0.7);
    border-radius: var(--radius);
    padding: 1.4rem;
    box-shadow: var(--shadow);
    animation: rise-in 280ms ease;
}

.page-head, .section-heading, .repeat-header, .version-head, .kanban-head, .tv-header, .print-header, .toolbar, .stack-actions, .print-actions {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    flex-wrap: wrap;
}

.page-head h1,
.section-heading h2,
.version-head h3,
.tv-header h1,
.print-header h1 {
    margin: 0.1rem 0 0;
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--accent);
    font-size: 0.78rem;
    margin: 0;
}

.stats-grid,
.dashboard-grid,
.detail-grid,
.mini-board,
.print-grid {
    display: grid;
    gap: 1rem;
}

.stats-grid {
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
}

.dashboard-grid {
    grid-template-columns: 1.4fr 1fr;
}

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

.detail-grid div {
    display: grid;
    gap: 0.3rem;
    padding: 0.85rem 0;
    border-bottom: 1px solid rgba(23, 32, 42, 0.08);
}

.stat-card {
    background: rgba(255, 255, 255, 0.74);
    padding: 1.2rem;
    border-radius: 22px;
    border: 1px solid rgba(255, 255, 255, 0.65);
    box-shadow: var(--shadow);
    transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 36px rgba(28, 34, 41, 0.12);
}

.stat-card span {
    display: block;
    color: var(--ink-soft);
}

.stat-card strong {
    display: block;
    margin-top: 0.6rem;
    font-size: 1.9rem;
}

.stat-card.alert {
    background: var(--danger-soft);
}

.stat-card.warning {
    background: var(--warning-soft);
}

.stat-card.success {
    background: var(--success-soft);
}

.helper-box, .quote-alert {
    padding: 1rem 1.1rem;
    border-radius: 18px;
    background: rgba(26, 197, 235, 0.1);
    border: 1px solid rgba(0, 135, 203, 0.18);
    display: grid;
    gap: 0.25rem;
}

.empty-state {
    display: grid;
    gap: 0.6rem;
    justify-items: start;
    padding: 1.6rem;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.78);
    border: 1px dashed rgba(0, 135, 203, 0.22);
}

.empty-state p {
    margin: 0;
}

.empty-state-compact {
    padding: 1.25rem;
}

.helper-box.warning,
.quote-alert {
    background: rgba(0, 135, 203, 0.08);
    border-color: rgba(0, 135, 203, 0.2);
}

.quote-alert.danger,
.flash-error {
    background: var(--danger-soft);
    border-color: rgba(180, 35, 24, 0.2);
}

.quick-actions {
    display: grid;
    gap: 0.8rem;
}

.quick-link {
    display: block;
    padding: 1rem 1.1rem;
    border-radius: 18px;
    background: white;
    text-decoration: none;
    border: 1px solid var(--line);
    transition: transform 0.18s ease, border-color 0.18s ease;
}

.quick-link:hover {
    transform: translateY(-2px);
    border-color: rgba(0, 135, 203, 0.25);
}

.mini-board {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}

.mini-column {
    padding: 1rem;
    border-radius: 18px;
    background: white;
    border: 1px solid var(--line);
    display: grid;
    gap: 0.3rem;
}

.flash {
    padding: 1rem 1.2rem;
    border-radius: 18px;
    border: 1px solid var(--line);
}

.flash-success {
    background: var(--teal-soft);
    border-color: rgba(0, 135, 203, 0.18);
}

.table-wrap {
    overflow: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    text-align: left;
    padding: 0.95rem 0.9rem;
    border-bottom: 1px solid rgba(23, 32, 42, 0.08);
    vertical-align: top;
}

th {
    color: var(--ink-soft);
    font-weight: 600;
}

.form-stack {
    display: grid;
    gap: 1.5rem;
}

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

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

.section-span {
    grid-column: 1 / -1;
}

.form-span-full {
    grid-column: 1 / -1;
}

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

.repeat-row,
.item-row-grid {
    display: grid;
    gap: 0.95rem;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin-top: 0.8rem;
    align-items: end;
}

.item-row-grid {
    grid-template-columns: 1.2fr 1.1fr 1fr 1.2fr minmax(110px, 0.7fr) minmax(110px, 0.7fr) minmax(96px, 0.55fr) auto;
}

.toolbar-end {
    justify-content: flex-end;
}

.toolbar-search {
    flex: 1;
    min-width: min(100%, 360px);
}

.optimizer-preview {
    display: grid;
    gap: 1rem;
    margin-top: 1rem;
}

.optimizer-group {
    background: rgba(255, 255, 255, 0.88);
    border: 1px solid var(--line);
    border-radius: 22px;
    padding: 1rem;
    display: grid;
    gap: 1rem;
}

.optimizer-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem 1rem;
    color: var(--ink-soft);
}

.optimizer-canvas {
    width: 100%;
    overflow: auto;
}

.optimizer-canvas canvas {
    width: 100%;
    max-width: 720px;
    border-radius: 18px;
    background: #f4fbff;
    border: 1px solid rgba(0, 135, 203, 0.15);
}

.version-stack {
    display: grid;
    gap: 1rem;
}

.version-card {
    background: white;
    border-radius: 22px;
    padding: 1.2rem;
    border: 1px solid var(--line);
}

.version-meta {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.meta-block {
    display: grid;
    gap: 0.45rem;
}

.attachment-list,
.approval-list,
.delivery-block {
    display: grid;
    gap: 0.7rem;
    margin-top: 1rem;
}

.attachment-item,
.approval-item {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
    padding: 0.85rem 1rem;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: white;
}

.approval-item span {
    color: var(--ink-soft);
    font-size: 0.92rem;
}

.catalog-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: flex-start;
}

.catalog-tab {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    padding: 0.75rem 1rem;
    border-radius: 999px;
    border: 1px solid rgba(0, 135, 203, 0.12);
    background: rgba(255, 255, 255, 0.76);
    transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
    white-space: nowrap;
    min-height: 3rem;
    flex: 0 0 auto;
}

.catalog-tab:hover {
    transform: translateY(-1px);
    border-color: rgba(0, 135, 203, 0.24);
}

.catalog-tab.is-active {
    background: linear-gradient(135deg, rgba(0, 135, 203, 0.14), rgba(26, 197, 235, 0.14));
    border-color: rgba(0, 135, 203, 0.24);
}

.catalog-variant-rows {
    display: grid;
    gap: 1rem;
}

.catalog-variant-row {
    grid-template-columns: 1.4fr 1fr 1fr 1fr auto;
    align-items: stretch;
    padding: 1rem;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.72);
}

.variant-stack {
    display: grid;
    gap: 0.75rem;
    margin-top: 1rem;
}

.kanban-board,
.tv-board {
    display: grid;
    gap: 1rem;
}

.kanban-board {
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.kanban-column,
.tv-column {
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(255, 255, 255, 0.7);
    border-radius: 26px;
    padding: 1rem;
    box-shadow: var(--shadow);
}

.kanban-dropzone,
.tv-cards {
    display: grid;
    gap: 0.8rem;
    min-height: 96px;
}

.board-card,
.tv-card {
    padding: 1rem;
    border-radius: 18px;
    background: white;
    border: 1px solid var(--line);
    display: grid;
    gap: 0.3rem;
    transition: transform 0.18s ease, border-color 0.18s ease;
}

.board-card:hover {
    transform: translateY(-2px);
    border-color: rgba(0, 135, 203, 0.28);
}

.board-card.dragging {
    opacity: 0.45;
}

.kanban-column.drag-target {
    outline: 2px dashed var(--accent);
}

.auth-shell,
.public-shell {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 2rem;
}

.public-shell {
    background:
        radial-gradient(circle at top left, rgba(26, 197, 235, 0.18), transparent 20%),
        radial-gradient(circle at bottom right, rgba(0, 135, 203, 0.16), transparent 24%),
        var(--bg);
}

.auth-card,
.approval-page {
    width: min(1200px, 100%);
}

.auth-card {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 1.5rem;
    align-items: stretch;
}

.auth-card-compact {
    width: min(560px, 100%);
}

.auth-hero,
.auth-form-wrap,
.approval-card {
    background: var(--card);
    border: 1px solid rgba(255, 255, 255, 0.7);
    border-radius: 32px;
    padding: 2rem;
    box-shadow: var(--shadow);
}

.auth-hero {
    background:
        linear-gradient(145deg, rgba(0, 135, 203, 0.96), rgba(26, 197, 235, 0.92)),
        var(--card);
    color: white;
    position: relative;
    overflow: hidden;
}

.auth-hero::after {
    content: "";
    position: absolute;
    inset: auto -60px -90px auto;
    width: 220px;
    height: 220px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.14);
    filter: blur(8px);
}

.auth-hero p,
.auth-hero li,
.auth-hero .eyebrow,
.auth-brand-lockup span {
    color: rgba(255, 255, 255, 0.88);
}

.auth-brand-lockup {
    display: grid;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.auth-form-wrap .section-heading {
    align-items: center;
}

.auth-form-wrap--solo {
    display: grid;
    gap: 1.4rem;
    padding: clamp(1.5rem, 4vw, 2.2rem);
}

.auth-panel-head {
    display: flex;
    justify-content: center;
}

.auth-section-heading h1 {
    margin: 0.1rem 0 0;
}

.form-brand-icon {
    width: 52px;
    height: 52px;
}

.feature-list {
    display: grid;
    gap: 0.75rem;
    padding-left: 1.2rem;
    color: white;
}

.feature-list li {
    line-height: 1.5;
}

.approval-page {
    display: grid;
    place-items: center;
}

.approval-card {
    width: min(860px, 100%);
    display: grid;
    gap: 1rem;
}

.approval-card.centered {
    text-align: center;
}

.signature-wrap canvas {
    width: 100%;
    border-radius: 18px;
    border: 1px dashed var(--line);
    background: white;
}

.public-page-header {
    width: min(1100px, 100%);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
}

.public-brand,
.public-brand-inline,
.tv-brand,
.print-brand {
    display: grid;
    gap: 0.55rem;
}

.public-brand {
    margin-bottom: 1rem;
}

.public-brand-inline {
    margin-bottom: 0.5rem;
}

.public-brand-centered {
    justify-items: center;
}

.public-brand span {
    font-size: 0.92rem;
    color: var(--ink-soft);
}

.public-brand-logo,
.print-brand-logo {
    width: min(220px, 100%);
    height: auto;
    display: block;
}

.public-kicker {
    min-width: 220px;
    padding: 1.2rem 1.4rem;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.7);
    box-shadow: var(--shadow);
    display: grid;
    gap: 0.25rem;
}

.public-grid {
    width: min(1100px, 100%);
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.timeline-list {
    display: grid;
    gap: 0.8rem;
}

.timeline-item {
    padding: 1rem 1.1rem;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.76);
    border: 1px solid var(--line);
    display: grid;
    gap: 0.35rem;
}

.timeline-item small {
    color: var(--ink-soft);
}

.permission-stack {
    display: grid;
    gap: 1rem;
}

.permission-group {
    display: grid;
    gap: 0.8rem;
    padding: 1rem;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.64);
    border: 1px solid rgba(23, 32, 42, 0.07);
}

.permission-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 0.75rem;
}

.permission-toggle {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.85rem 0.95rem;
    border-radius: 16px;
    background: white;
    border: 1px solid var(--line);
}

.permission-toggle input {
    width: auto;
    margin: 0;
}

.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.4rem 0.75rem;
    border-radius: 999px;
    font-size: 0.85rem;
    background: rgba(23, 32, 42, 0.08);
    color: var(--ink);
}

.badge-neutral {
    background: rgba(255, 107, 53, 0.12);
    color: var(--accent-dark);
}

.table-actions {
    display: flex;
    gap: 0.8rem;
    flex-wrap: wrap;
    align-items: center;
}

.table-actions a {
    text-decoration: none;
}

.table-actions form,
.stack-actions form,
.toolbar form {
    margin: 0;
}

.mobile-brand {
    display: inline-flex;
    align-items: center;
}

.mobile-brand-logo {
    width: 144px;
    height: auto;
    display: block;
}

.mobile-nav-toggle {
    width: 52px;
    height: 52px;
    padding: 0;
    border-radius: 18px;
    border: 1px solid rgba(0, 135, 203, 0.16);
    background: rgba(255, 255, 255, 0.94);
    box-shadow: var(--shadow);
    display: inline-grid;
    place-items: center;
    gap: 0.2rem;
}

.mobile-nav-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--ink);
    border-radius: 999px;
}

.helper-box code {
    font-family: "Cascadia Code", "Consolas", monospace;
    font-size: 0.92em;
}

.print-shell {
    background: white;
    padding: 1rem;
}

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

.print-document {
    max-width: 1000px;
    margin: 0 auto;
    background: white;
    border-radius: 30px;
    padding: 2rem;
    border: 1px solid var(--line);
}

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

.print-brand {
    margin: 0.35rem 0 0.75rem;
}

.print-meta {
    display: grid;
    gap: 0.35rem;
    justify-items: end;
    text-align: right;
}

.print-table {
    width: 100%;
    border-collapse: collapse;
}

.material-block,
.print-notes {
    margin-top: 1.8rem;
}

.print-document,
.print-header,
.print-grid,
.print-table,
.print-notes,
.print-table tr,
.print-table thead,
.print-table tbody,
.print-table tfoot {
    page-break-inside: avoid;
}

.print-document--compact {
    max-width: 794px;
    padding: 1.25rem 1.35rem;
    font-size: 12px;
}

.print-document--compact .print-header {
    gap: 1rem;
    margin-bottom: 0.9rem;
}

.print-document--compact .print-brand-logo {
    width: 150px;
}

.print-document--compact .print-grid {
    margin: 1rem 0 1.1rem;
    gap: 0.75rem;
}

.print-document--compact .print-grid strong,
.print-document--compact .print-meta strong {
    font-size: 0.92rem;
}

.print-document--compact .print-table th,
.print-document--compact .print-table td {
    padding: 0.45rem 0.5rem;
    font-size: 0.82rem;
    line-height: 1.3;
}

.print-document--compact .print-table small {
    font-size: 0.72rem;
}

.print-document--compact .print-notes {
    margin-top: 1rem;
}

.print-document--dense {
    padding: 1rem 1.05rem;
    font-size: 11px;
}

.print-document--dense .print-grid {
    gap: 0.55rem;
}

.print-document--dense .print-table th,
.print-document--dense .print-table td {
    padding: 0.34rem 0.38rem;
    font-size: 0.74rem;
}

.print-document--dense .print-meta,
.print-document--dense .print-notes p,
.print-document--dense .print-table small {
    font-size: 0.7rem;
}

.tv-shell {
    min-height: 100vh;
    padding: 1.2rem;
    background: linear-gradient(135deg, #052844, #00679a 58%, #1ac5eb);
    color: white;
}

.tv-header {
    align-items: center;
    margin-bottom: 1rem;
}

.tv-header p,
.tv-header span,
.tv-card span {
    color: rgba(255, 255, 255, 0.78);
}

.tv-brand {
    margin-bottom: 0.85rem;
}

.tv-brand-badge {
    width: min(220px, 100%);
    height: auto;
    display: block;
    filter: drop-shadow(0 16px 40px rgba(0, 0, 0, 0.18));
}

.tv-board {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.tv-column {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.1);
}

.tv-card {
    background: rgba(255, 255, 255, 0.09);
    border-color: rgba(255, 255, 255, 0.12);
}

.no-print {
    text-align: right;
    margin-bottom: 1rem;
}

@keyframes rise-in {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 1200px) {
    .stats-grid,
    .dashboard-grid,
    .repeat-grid,
    .detail-grid,
    .print-grid {
        grid-template-columns: 1fr 1fr;
    }

    .auth-card {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 920px) {
    .app-shell {
        grid-template-columns: 1fr;
    }

    .shell-backdrop {
        position: fixed;
        inset: 0;
        background: rgba(16, 48, 73, 0.38);
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.18s ease;
        z-index: 30;
    }

    .mobile-topbar {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 1rem;
        position: sticky;
        top: 0;
        z-index: 20;
        padding: 0.75rem 0 0.25rem;
        background: linear-gradient(180deg, var(--bg), rgba(237, 247, 254, 0.92));
    }

    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        width: min(86vw, 320px);
        min-height: 100vh;
        z-index: 40;
        transform: translateX(-104%);
        transition: transform 0.22s ease;
        border-right: 1px solid rgba(23, 32, 42, 0.08);
        box-shadow: 0 18px 40px rgba(8, 53, 87, 0.18);
    }

    body.sidebar-open {
        overflow: hidden;
    }

    body.sidebar-open .sidebar {
        transform: translateX(0);
    }

    body.sidebar-open .shell-backdrop {
        display: block;
        opacity: 1;
        pointer-events: auto;
    }

    .main-content {
        padding: 1rem;
    }
}

@media (max-width: 820px) {
    .main-content,
    .auth-shell,
    .public-shell,
    .tv-shell {
        padding: 1rem;
    }

    .stats-grid,
    .dashboard-grid,
    .repeat-grid,
    .detail-grid,
    .print-grid,
    .form-grid.two-columns,
    .version-meta,
    .public-grid,
    .form-grid {
        grid-template-columns: 1fr;
    }

    .item-row-grid,
    .repeat-row,
    .catalog-variant-row {
        grid-template-columns: 1fr;
    }

    .catalog-tabs {
        flex-wrap: nowrap;
        overflow: auto;
        padding-bottom: 0.2rem;
    }

    .page-head,
    .section-heading,
    .repeat-header,
    .version-head,
    .toolbar,
    .stack-actions,
    .tv-header,
    .print-header,
    .public-page-header {
        flex-direction: column;
        align-items: stretch;
    }
}

@media print {
    html,
    body {
        background: white !important;
    }

    .no-print {
        display: none !important;
    }

    .print-document {
        border: none;
        box-shadow: none;
        padding: 0;
        max-width: none;
    }
}