:root {
    --bg-1: #0b1220;
    --bg-2: #101a31;
    --card: rgba(255, 255, 255, 0.08);
    --card-border: rgba(255, 255, 255, 0.12);
    --text: #eef4ff;
    --muted: #9eb0cb;
    --accent: #5ecbff;
    --accent-2: #7c89ff;
    --hot: #ff8a65;
    --cold: #7dd3fc;
    --success: #86efac;
    --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
    --radius: 22px;
    --radius-sm: 14px;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    min-height: 100%;
    font-family: "DM Sans", system-ui, sans-serif;
    color: var(--text);
    background: var(--bg-1);
}

body {
    overflow-x: hidden;
}

.page-bg {
    position: fixed;
    inset: 0;
    background:
        radial-gradient(circle at 15% 20%, rgba(94, 203, 255, 0.18), transparent 28%),
        radial-gradient(circle at 85% 10%, rgba(124, 137, 255, 0.22), transparent 24%),
        radial-gradient(circle at 50% 100%, rgba(16, 185, 129, 0.08), transparent 30%),
        linear-gradient(160deg, var(--bg-1), var(--bg-2));
    z-index: -1;
}

.layout {
    width: min(1180px, calc(100% - 2rem));
    margin: 0 auto;
    padding: 2rem 0 3rem;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

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

.brand-icon {
    width: 3.4rem;
    height: 3.4rem;
    display: grid;
    place-items: center;
    border-radius: 18px;
    background: linear-gradient(135deg, rgba(94, 203, 255, 0.25), rgba(124, 137, 255, 0.25));
    border: 1px solid var(--card-border);
    font-size: 1.6rem;
}

.brand-eyebrow {
    margin: 0 0 0.15rem;
    color: var(--muted);
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.topbar h1,
.section-head h2 {
    margin: 0;
    font-weight: 700;
    letter-spacing: -0.03em;
}

.topbar h1 {
    font-size: clamp(1.6rem, 2vw, 2rem);
}

.topbar-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.45rem;
}

.page-nav {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.75rem;
}

.page-nav a {
    display: inline-flex;
    align-items: center;
    padding: 0.55rem 1rem;
    border-radius: 999px;
    color: var(--muted);
    text-decoration: none;
    border: 1px solid transparent;
    font-size: 0.94rem;
    transition: color 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.page-nav a:hover {
    color: var(--text);
    background: rgba(255, 255, 255, 0.05);
}

.page-nav a.active {
    color: var(--text);
    background: rgba(94, 203, 255, 0.12);
    border-color: rgba(94, 203, 255, 0.35);
}

.section-head-first {
    margin-top: 0;
}

.records-page-grid {
    margin-bottom: 1rem;
}

.month-toolbar {
    margin-bottom: 1.5rem;
    padding: 1.1rem 1.25rem;
}

.month-form label {
    display: block;
    margin-bottom: 0.55rem;
    color: var(--muted);
    font-size: 0.92rem;
}

.month-form-row {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    flex-wrap: wrap;
}

.month-form select {
    min-width: min(100%, 240px);
    padding: 0.7rem 0.9rem;
    border-radius: 12px;
    border: 1px solid var(--card-border);
    background: rgba(255, 255, 255, 0.06);
    color: var(--text);
    font: inherit;
}

.month-submit {
    padding: 0.7rem 1rem;
    border-radius: 999px;
    border: 1px solid rgba(94, 203, 255, 0.35);
    background: rgba(94, 203, 255, 0.12);
    color: var(--text);
    font: inherit;
    cursor: pointer;
}

.month-submit:hover {
    background: rgba(94, 203, 255, 0.18);
}

.monthly-summary-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin-bottom: 0.5rem;
}

.toolbar-note {
    margin: 0.75rem 0 0;
    color: var(--muted);
    font-size: 0.86rem;
}

.compare-card .compare-lines {
    display: grid;
    gap: 0.45rem;
    margin-top: 0.75rem;
}

.compare-line {
    display: flex;
    justify-content: space-between;
    gap: 0.75rem;
    margin: 0;
    font-size: 0.86rem;
    color: var(--muted);
}

.compare-line strong {
    color: var(--text);
    font-weight: 600;
}

.delta-up {
    color: #ff8a65;
}

.delta-down {
    color: #7dd3fc;
}

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

.compare-table-card {
    padding: 0;
    overflow: hidden;
    margin-bottom: 1rem;
}

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

.compare-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 720px;
}

.compare-table th,
.compare-table td {
    padding: 0.9rem 1rem;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.compare-table thead th {
    color: var(--muted);
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 600;
}

.compare-table tbody th {
    font-weight: 600;
}

.compare-table tbody tr.is-selected {
    background: rgba(94, 203, 255, 0.08);
}

.compare-table tbody tr.is-selected th,
.compare-table tbody tr.is-selected td {
    color: var(--text);
}

.compare-table tbody tr.is-empty {
    opacity: 0.55;
}

.compare-table tfoot th,
.compare-table tfoot td {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    padding-top: 0.85rem;
}

.rain-table .delta-up,
.rain-table .delta-down,
.rain-table .delta-neutral {
    font-weight: 600;
}

.compare-table tbody tr.has-issues th {
    color: var(--text);
}

.repair-btn {
    display: inline-flex;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    border: 1px solid rgba(124, 137, 255, 0.35);
    background: rgba(124, 137, 255, 0.12);
    color: var(--text);
    font-size: 0.82rem;
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
}

.repair-btn:hover {
    background: rgba(124, 137, 255, 0.2);
}

.repair-btn-proxy {
    border-color: rgba(94, 203, 255, 0.35);
    background: rgba(94, 203, 255, 0.12);
}

.repair-btn-proxy:hover {
    background: rgba(94, 203, 255, 0.2);
}

.data-action-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem 1rem;
    margin-top: 0.85rem;
}

.data-action-row-wrap {
    gap: 0.5rem 0.65rem;
}

.toolbar-note.inline-note {
    margin: 0;
}

.table-actions {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.4rem;
}

.data-empty-card {
    padding: 1.4rem;
    margin-bottom: 1rem;
}

.gap-badge {
    display: inline-flex;
    padding: 0.25rem 0.55rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
    white-space: nowrap;
}

.gap-badge-day {
    background: rgba(255, 138, 101, 0.15);
    color: #ffb199;
    border: 1px solid rgba(255, 138, 101, 0.25);
}

.gap-badge-gap {
    background: rgba(124, 137, 255, 0.15);
    color: #b8c0ff;
    border: 1px solid rgba(124, 137, 255, 0.25);
}

.gap-badge-coverage {
    background: rgba(255, 193, 77, 0.15);
    color: #ffd699;
    border: 1px solid rgba(255, 193, 77, 0.25);
}

.incomplete-day-list {
    margin: 0.45rem 0 0;
    padding-left: 1rem;
    list-style: disc;
    font-size: 0.82rem;
    font-weight: 400;
    color: var(--muted, #9aa3b2);
}

.incomplete-day-list li + li {
    margin-top: 0.2rem;
}

.table-note {
    color: var(--muted, #9aa3b2);
}

.missing-day-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    margin-bottom: 1.5rem;
}

.missing-day-pill {
    display: inline-flex;
    padding: 0.45rem 0.75rem;
    border-radius: 999px;
    background: rgba(255, 138, 101, 0.1);
    border: 1px solid rgba(255, 138, 101, 0.22);
    color: #ffd0c2;
    font-size: 0.88rem;
}

.pill {
    display: inline-flex;
    padding: 0.45rem 0.85rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--card-border);
    font-size: 0.92rem;
}

.meta-note,
.stat-when,
.record-date,
.hero-updated,
.footer,
.section-head p,
.empty-chart {
    color: var(--muted);
}

.alert-banner {
    margin-bottom: 1.25rem;
    padding: 1rem 1.1rem;
    border-radius: var(--radius-sm);
    background: rgba(255, 138, 101, 0.12);
    border: 1px solid rgba(255, 138, 101, 0.35);
}

.alert-banner-stale {
    background: rgba(255, 193, 77, 0.12);
    border-color: rgba(255, 193, 77, 0.45);
}

.alert-banner-ok {
    background: rgba(94, 203, 255, 0.1);
    border-color: rgba(94, 203, 255, 0.35);
}

.alert-inline-note {
    display: block;
    margin-top: 0.35rem;
    color: var(--muted);
    font-size: 0.88rem;
}

.alert-banner code {
    background: rgba(255, 255, 255, 0.08);
    padding: 0.1rem 0.35rem;
    border-radius: 6px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.4fr 0.9fr;
    gap: 1rem;
    margin-bottom: 2rem;
}

.card,
.stat-card,
.record-card {
    background: var(--card);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(14px);
    box-shadow: var(--shadow);
}

.card {
    border-radius: var(--radius);
    padding: 1.4rem;
}

.hero-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    min-height: 220px;
}

.label {
    margin: 0 0 0.75rem;
    color: var(--muted);
    font-size: 0.92rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.hero-temp-row {
    display: flex;
    align-items: flex-start;
    gap: 0.35rem;
}

.hero-temp-row .trend {
    margin-top: 1.1rem;
    font-size: 1.5rem;
}

.trend {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    font-weight: 700;
}

.trend-up {
    color: #ff8a65;
}

.trend-down {
    color: #7dd3fc;
}

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

.mini-label .trend,
.sensor-list span .trend {
    margin-left: 0.2rem;
    font-size: 0.82rem;
    vertical-align: middle;
}

.trend-note {
    margin: 0.85rem 0 0;
    color: var(--muted);
    font-size: 0.82rem;
}

.hero-temp {
    font-size: clamp(3.5rem, 8vw, 5.5rem);
    line-height: 0.95;
    font-weight: 700;
    letter-spacing: -0.05em;
}

.hero-unit {
    font-size: 1.6rem;
    color: var(--muted);
    margin-top: 0.8rem;
}

.hero-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.85rem;
    align-content: center;
}

.mini-stat {
    padding: 0.85rem 0.95rem;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.mini-label {
    display: block;
    color: var(--muted);
    font-size: 0.82rem;
    margin-bottom: 0.25rem;
}

.mini-stat strong {
    font-size: 1rem;
}

.sensor-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.75rem;
}

.sensor-list li {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.sensor-list li:last-child {
    border-bottom: 0;
    padding-bottom: 0;
}

.section-head {
    margin: 2rem 0 1rem;
}

.section-head p {
    margin: 0.35rem 0 0;
}

.stats-grid,
.records-grid {
    display: grid;
    gap: 1rem;
}

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

.stat-card,
.record-card {
    border-radius: var(--radius-sm);
    padding: 1.1rem 1.15rem;
}

.stat-card.hot {
    background: linear-gradient(180deg, rgba(255, 138, 101, 0.16), rgba(255, 255, 255, 0.05));
}

.stat-card.cold {
    background: linear-gradient(180deg, rgba(125, 211, 252, 0.16), rgba(255, 255, 255, 0.05));
}

.stat-icon,
.record-icon {
    font-size: 1.2rem;
}

.stat-label,
.record-title {
    margin: 0.55rem 0 0.35rem;
    color: var(--muted);
    font-size: 0.92rem;
}

.stat-value,
.record-value {
    margin: 0;
    font-size: 1.55rem;
    font-weight: 700;
    letter-spacing: -0.03em;
}

.stat-when {
    margin: 0.35rem 0 0;
    font-size: 0.86rem;
}

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

.record-card.record-hot {
    border-color: rgba(255, 138, 101, 0.35);
}

.record-card.record-cold {
    border-color: rgba(125, 211, 252, 0.35);
}

.record-top {
    display: flex;
    align-items: center;
    gap: 0.55rem;
}

.record-date {
    margin: 0.45rem 0 0;
    font-size: 0.86rem;
}

.chart-card {
    min-height: 320px;
}

.chart-card-tall {
    min-height: 360px;
}

.chart-note {
    margin: 0.85rem 0 0;
    color: var(--muted);
    font-size: 0.88rem;
}

.empty-chart {
    display: grid;
    place-items: center;
    min-height: 220px;
    margin: 0;
}

.footer {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 0.88rem;
}

@media (max-width: 980px) {
    .hero-grid,
    .daily-grid,
    .records-grid,
    .monthly-summary-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

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

@media (max-width: 640px) {
    .layout {
        width: min(100% - 1.2rem, 1180px);
        padding-top: 1.2rem;
    }

    .topbar {
        flex-direction: column;
    }

    .topbar-meta {
        align-items: flex-start;
    }

    .daily-grid,
    .records-grid,
    .hero-grid,
    .monthly-summary-grid {
        grid-template-columns: 1fr;
    }

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