:root {
    --bg: #f3f1eb;
    --bg-bottom: #dfdbd2;
    --bg-elevated: rgba(255, 255, 255, 0.78);
    --panel: #fffdf8;
    --text: #22201b;
    --muted: #6c665d;
    --border: rgba(64, 53, 39, 0.12);
    --accent: #1e6f67;
    --accent-soft: rgba(30, 111, 103, 0.14);
    --accent-strong: #14564f;
    --danger: #b5453c;
    --danger-soft: rgba(181, 69, 60, 0.12);
    --shadow: 0 24px 60px rgba(38, 30, 18, 0.12);
    --radius-lg: 28px;
    --radius-md: 18px;
    --radius-sm: 12px;
    --font-display: "Segoe UI", "Helvetica Neue", sans-serif;
}

body[data-theme="sotet"] {
    --bg: #161a1d;
    --bg-bottom: #0f1316;
    --bg-elevated: rgba(31, 37, 41, 0.86);
    --panel: #20262b;
    --text: #f2efe9;
    --muted: #b4b8bb;
    --border: rgba(255, 255, 255, 0.09);
    --accent: #62c0b5;
    --accent-soft: rgba(98, 192, 181, 0.14);
    --accent-strong: #84d6ce;
    --danger: #f1877e;
    --danger-soft: rgba(241, 135, 126, 0.12);
    --shadow: 0 24px 60px rgba(0, 0, 0, 0.36);
}

* {
    box-sizing: border-box;
}

html {
    margin: 0;
    min-height: 100%;
    background: var(--bg-bottom);
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: var(--font-display);
    background:
        radial-gradient(circle at top left, rgba(30, 111, 103, 0.18), transparent 28%),
        radial-gradient(circle at top right, rgba(217, 154, 65, 0.16), transparent 24%),
        linear-gradient(180deg, var(--bg), var(--bg-bottom));
    color: var(--text);
    padding: 24px;
}

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

button,
.primary-button,
.ghost-button,
.danger-button {
    cursor: pointer;
    border: 0;
    border-radius: 999px;
    transition: transform 0.18s ease, background 0.18s ease, color 0.18s ease, opacity 0.18s ease;
}

button:hover,
.primary-button:hover,
.ghost-button:hover,
.danger-button:hover {
    transform: translateY(-1px);
}

.app-shell {
    max-width: 1180px;
    margin: 0 auto;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 24px;
}

.topbar h1,
.hero-card h2,
.card h2,
.card h3,
.dialog h2 {
    margin: 0;
    font-weight: 700;
    letter-spacing: -0.03em;
}

.eyebrow {
    margin: 0 0 6px;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-size: 0.78rem;
    color: var(--muted);
}

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

.topbar-actions,
.form-actions,
.filter-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.page {
    display: grid;
    gap: 20px;
}

.auth-layout,
.dashboard-grid {
    display: grid;
    gap: 20px;
}

.auth-layout {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: stretch;
}

.hero-card,
.card,
.dialog {
    background: var(--bg-elevated);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.hero-card,
.card,
.dialog::backdrop {
    animation: fadeIn 0.35s ease;
}

.hero-card,
.card,
.dialog {
    padding: 24px;
}

.hero-card {
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 360px;
    background:
        linear-gradient(135deg, rgba(30, 111, 103, 0.9), rgba(19, 53, 69, 0.88)),
        linear-gradient(180deg, #234, #123);
    color: #f7f9fb;
}

.hero-card .muted,
.hero-card .eyebrow {
    color: rgba(247, 249, 251, 0.82);
}

.hero-points {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 18px;
}

.hero-points span,
.pill {
    padding: 9px 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.12);
    font-size: 0.92rem;
}

.card {
    background-color: var(--bg-elevated);
}

.auth-card {
    align-self: center;
}

.stack {
    display: grid;
    gap: 14px;
}

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

.filter-grid {
    display: grid;
    gap: 14px;
    margin-bottom: 16px;
}

label,
.selection-group {
    display: grid;
    gap: 8px;
}

.inline-check {
    display: flex;
    align-items: center;
    gap: 10px;
}

.inline-check input {
    width: auto;
    margin: 0;
}

label span,
.selection-group > span {
    font-weight: 600;
    font-size: 0.95rem;
}

input,
select,
textarea {
    width: 100%;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--panel);
    color: var(--text);
}

textarea {
    resize: vertical;
}

.choice-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.choice-card {
    position: relative;
    display: grid;
    gap: 6px;
    padding: 18px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    background: var(--panel);
}

.choice-card input {
    position: absolute;
    inset: 0;
    opacity: 0;
}

.choice-card.is-selected {
    border-color: var(--accent);
    background: var(--accent-soft);
    box-shadow: inset 0 0 0 1px var(--accent);
}

.choice-card strong {
    font-size: 1.08rem;
}

.choice-card small {
    color: var(--muted);
}

.primary-button,
.ghost-button,
.danger-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 18px;
    text-decoration: none;
}

.primary-button {
    background: var(--accent);
    color: #f8fafc;
}

.ghost-button {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
}

.danger-button {
    background: var(--danger-soft);
    color: var(--danger);
    border: 1px solid rgba(181, 69, 60, 0.22);
}

.nav-tabs {
    position: sticky;
    top: 10px;
    z-index: 20;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
    padding: 10px;
    border-radius: 999px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    backdrop-filter: blur(12px);
}

.tab-button {
    min-height: 52px;
    padding: 0 16px;
    border-radius: 999px;
    background: transparent;
    color: var(--muted);
}

.tab-button.active {
    background: var(--panel);
    color: var(--text);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.tab-panel {
    display: none;
    padding-top: 18px;
}

.tab-panel.active {
    display: grid;
    gap: 20px;
}

.section-heading {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: flex-start;
    margin-bottom: 18px;
}

.summary-list,
.stats-grid,
.records-list,
#watchWindows,
#dayPeriodChart,
#weekdayChart,
#doorDistributionChart {
    display: grid;
    gap: 14px;
}

.summary-item,
.stat-card,
.record-item,
.watch-card,
.chart-card {
    padding: 18px;
    border-radius: var(--radius-md);
    background: var(--panel);
    border: 1px solid var(--border);
}

.summary-item strong,
.stat-card strong {
    font-size: 1.5rem;
}

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

.settings-grid {
    grid-template-columns: minmax(320px, 0.95fr) minmax(360px, 1fr);
    align-items: start;
}

#userManagementCard {
    grid-column: 1;
    grid-row: 2;
}

.settings-data-card {
    grid-column: 2;
    grid-row: 1 / span 2;
}

.record-item {
    display: grid;
    gap: 14px;
}

.record-top,
.record-actions,
.bar-row,
.legend-row {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    align-items: center;
}

.record-meta {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.badge {
    display: inline-flex;
    padding: 7px 11px;
    border-radius: 999px;
    font-size: 0.85rem;
    background: var(--accent-soft);
    color: var(--accent-strong);
}

.badge.alt {
    background: rgba(217, 154, 65, 0.14);
    color: #9a661f;
}

.badge.neutral {
    background: rgba(105, 114, 123, 0.14);
    color: var(--muted);
}

.bar-chart {
    display: grid;
    gap: 12px;
}

.bar {
    height: 12px;
    border-radius: 999px;
    background: var(--accent);
}

.bar-track {
    overflow: hidden;
    border-radius: 999px;
    background: rgba(125, 125, 125, 0.12);
}

.pie-chart {
    width: min(240px, 100%);
    aspect-ratio: 1;
    margin: 0 auto;
    border-radius: 50%;
    background: conic-gradient(var(--accent) 0deg, var(--accent) 0deg, #d99a41 0deg, #d99a41 360deg);
}

.upload-box {
    padding: 20px;
    border: 1px dashed var(--border);
    border-radius: var(--radius-md);
    text-align: center;
}

.upload-box input {
    margin-top: 12px;
}

.toast {
    position: fixed;
    right: 18px;
    bottom: 20px;
    max-width: 360px;
    padding: 16px 18px;
    border-radius: 18px;
    background: rgba(34, 32, 27, 0.92);
    color: #fff;
    box-shadow: var(--shadow);
    z-index: 40;
}

.dialog {
    width: min(560px, calc(100vw - 32px));
    border: 1px solid var(--border);
    color: var(--text);
}

.dialog::backdrop {
    background: rgba(0, 0, 0, 0.35);
}

.hidden {
    display: none !important;
}

.text-center {
    text-align: center;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 840px) {
    body {
        padding: 14px;
    }

    .auth-layout,
    .dashboard-grid,
    .filter-grid,
    .form-grid,
    .choice-grid,
    .stats-grid {
        grid-template-columns: 1fr;
    }

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

    #userManagementCard,
    .settings-data-card {
        grid-column: auto;
        grid-row: auto;
    }

    .nav-tabs {
        position: fixed;
        left: 14px;
        right: 14px;
        bottom: 12px;
        top: auto;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 8px;
        padding: 8px;
        border-radius: 24px;
        box-shadow: var(--shadow);
    }

    .tab-button {
        min-height: 46px;
        padding: 0 10px;
        border-radius: 16px;
        font-size: 0.98rem;
        line-height: 1.1;
        text-align: center;
        white-space: normal;
        word-break: keep-all;
    }

    .page {
        padding-bottom: 132px;
    }

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

@media (max-width: 420px) {
    .nav-tabs {
        left: 10px;
        right: 10px;
        bottom: 10px;
        gap: 6px;
        padding: 6px;
    }

    .tab-button {
        min-height: 44px;
        padding: 0 8px;
        font-size: 0.92rem;
    }

    .page {
        padding-bottom: 128px;
    }
}