:root {
    --bg: #f3efe7;
    --panel: #fffdf8;
    --panel-strong: #f8f1e3;
    --text: #1d2433;
    --muted: #68707f;
    --border: #ded4c2;
    --accent: #0f766e;
    --accent-strong: #115e59;
    --danger: #9f1239;
    --shadow: 0 18px 40px rgba(34, 32, 29, 0.08);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Georgia, "Times New Roman", serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(15, 118, 110, 0.12), transparent 28%),
        linear-gradient(180deg, #f7f2e8 0%, #f1ebe0 100%);
}

a {
    color: inherit;
    text-decoration: none;
}

.app-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 280px 1fr;
    position: relative;
}

.sidebar {
    padding: 28px 22px;
    background: rgba(255, 251, 244, 0.8);
    border-right: 1px solid var(--border);
    backdrop-filter: blur(12px);
}

.nav-toggle,
.nav-toggle-button {
    display: none;
}

.brand {
    display: flex;
    gap: 14px;
    align-items: center;
    margin-bottom: 28px;
}

.brand h1,
.page-heading h2,
.panel h3,
.topbar h2,
.auth-card h2 {
    margin: 0;
    font-weight: 700;
}

.brand p,
.topbar p,
.page-heading p,
.muted,
small,
.panel p {
    color: var(--muted);
}

.brand-mark {
    width: 48px;
    height: 48px;
    border-radius: 16px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, var(--accent), #155e75);
    color: white;
    font-weight: 700;
}

.nav {
    display: grid;
    gap: 8px;
}

.nav-link {
    padding: 12px 14px;
    border-radius: 14px;
    background: transparent;
}

.nav-link:hover,
.nav-link:focus {
    background: var(--panel-strong);
}

.nav-link.danger {
    color: var(--danger);
}

.content {
    padding: 26px;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.lang-toggle {
    display: inline-flex;
    background: #efe6d5;
    border-radius: 999px;
    padding: 4px;
    gap: 4px;
}

.lang-link {
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 0.9rem;
}

.lang-link.active {
    background: white;
}

.topbar,
.page-heading,
.panel-head,
.upload-layout,
.review-layout,
.auth-card {
    display: flex;
    gap: 20px;
}

.topbar,
.page-heading,
.panel-head {
    justify-content: space-between;
    align-items: center;
}

.page-heading {
    margin-bottom: 22px;
}

.panel,
.stat-card,
.auth-card,
.hero-panel,
.login-panel {
    background: var(--panel);
    border: 1px solid rgba(222, 212, 194, 0.8);
    border-radius: 24px;
    box-shadow: var(--shadow);
}

.panel,
.hero-panel,
.login-panel {
    padding: 24px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 16px;
    margin-bottom: 22px;
}

.stat-card {
    padding: 20px;
}

.stat-card p {
    margin: 0 0 8px;
    color: var(--muted);
}

.stat-card strong {
    font-size: 2rem;
}

.panel {
    margin-bottom: 22px;
}

.table-wrap {
    overflow-x: auto;
}

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

th,
td {
    padding: 14px 10px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    vertical-align: top;
}

.button,
button {
    border: 0;
    border-radius: 14px;
    padding: 13px 18px;
    font: inherit;
    cursor: pointer;
}

.button.primary,
button.primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    color: white;
}

.button.secondary {
    background: #efe6d5;
    color: var(--text);
}

.button.full {
    display: block;
    text-align: center;
    width: 100%;
}

.text-link {
    color: var(--accent-strong);
}

.pill,
.status-badge,
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border-radius: 999px;
}

.pill,
.status-badge {
    padding: 8px 12px;
    background: #e8f3f1;
    color: var(--accent-strong);
    font-size: 0.92rem;
}

.eyebrow {
    padding: 6px 10px;
    background: #efe6d5;
    color: #8a5a19;
    font-size: 0.8rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.alert {
    padding: 14px 16px;
    border-radius: 16px;
    margin-bottom: 18px;
}

.alert.success {
    background: #e8f7ef;
    color: #166534;
}

.alert.error {
    background: #fde8ee;
    color: #9f1239;
}

.queue-notice {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.is-hidden {
    display: none;
}

.stack-form {
    display: grid;
    gap: 16px;
}

.button-row,
.export-form,
.upload-action-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    align-items: end;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

label {
    display: grid;
    gap: 8px;
}

input,
select,
textarea {
    width: 100%;
    padding: 13px 14px;
    border-radius: 14px;
    border: 1px solid var(--border);
    background: white;
    font: inherit;
    color: var(--text);
}

input[type="file"] {
    padding: 18px 14px;
    background: var(--panel-strong);
}

.upload-layout,
.review-layout {
    align-items: flex-start;
}

.upload-layout > *,
.review-layout > * {
    flex: 1;
}

.guidance-panel {
    background: linear-gradient(180deg, #fff9ef 0%, #f9f2e7 100%);
}

.meta-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.meta-grid dt {
    color: var(--muted);
    margin-bottom: 6px;
}

.meta-grid dd {
    margin: 0;
}

.mono {
    font-family: "SFMono-Regular", Consolas, monospace;
    font-size: 0.9rem;
    word-break: break-all;
}

.auth-card {
    max-width: 1080px;
    margin: 6vh auto;
    padding: 18px;
}

.hero-panel,
.login-panel {
    flex: 1;
}

.feature-list {
    margin: 16px 0 0;
    padding-left: 20px;
    color: var(--muted);
}

@media (max-width: 1080px) {
    .app-shell {
        grid-template-columns: 1fr;
    }

    .sidebar {
        border-right: 0;
        border-bottom: 1px solid var(--border);
    }

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

@media (max-width: 720px) {
    .content,
    .sidebar {
        padding: 18px;
    }

    .app-shell {
        display: block;
    }

    .nav-toggle-button {
        display: inline-flex;
        position: sticky;
        top: 14px;
        left: 14px;
        z-index: 30;
        width: 52px;
        height: 52px;
        margin: 14px 0 0 14px;
        border-radius: 16px;
        background: rgba(255, 251, 244, 0.95);
        border: 1px solid var(--border);
        box-shadow: var(--shadow);
        flex-direction: column;
        justify-content: center;
        gap: 5px;
        padding: 0 14px;
        cursor: pointer;
    }

    .nav-toggle-button span {
        display: block;
        height: 2px;
        background: var(--text);
        border-radius: 999px;
        transition: transform 0.2s ease, opacity 0.2s ease;
    }

    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        width: min(82vw, 320px);
        z-index: 25;
        border-right: 1px solid var(--border);
        border-bottom: 0;
        transform: translateX(-100%);
        transition: transform 0.2s ease;
        overflow-y: auto;
    }

    .nav-toggle:checked + .nav-toggle-button + .sidebar {
        transform: translateX(0);
    }

    .nav-toggle:checked + .nav-toggle-button span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .nav-toggle:checked + .nav-toggle-button span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle:checked + .nav-toggle-button span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    .content {
        padding-top: 10px;
    }

    .topbar,
    .page-heading,
    .panel-head,
    .upload-layout,
    .review-layout,
    .auth-card {
        flex-direction: column;
        align-items: stretch;
    }

    .stats-grid,
    .meta-grid {
        grid-template-columns: 1fr;
    }

    .button-row,
    .export-form,
    .upload-action-row {
        flex-direction: column;
        align-items: stretch;
    }

    .queue-notice {
        flex-direction: column;
        align-items: stretch;
    }

    .topbar-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .brand {
        align-items: flex-start;
    }
}