/* ── Custom properties ─────────────────────────────────────────── */
:root {
    --bg:           #0f1117;
    --bg-card:      #1a1d27;   /* panel background */
    --bg-card2:     #22263a;   /* inner hero / metric cards */
    --border:       #2e3250;
    --text:         #e8eaf6;
    --text-muted:   #7b82a8;
    --accent:       #5c6bc0;
    --topbar-bg:    #3949ab;

    --aqi-1:        #43a047;
    --aqi-2:        #7cb342;
    --aqi-3:        #f9a825;
    --aqi-4:        #ef6c00;
    --aqi-5:        #c62828;
    --aqi-unknown:  #546e7a;

    --radius:       14px;
    --gap:          18px;
}

[data-theme="light"] {
    --bg:           #e8eaf6;
    --bg-card:      #ffffff;
    --bg-card2:     #f0f2fb;
    --border:       #c5cae9;
    --text:         #1a1d2e;
    --text-muted:   #5c6bc0;
    --topbar-bg:    #3949ab;
}

/* ── Reset ─────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; }
body {
    font-family: 'Inter', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100dvh;
    transition: background .3s, color .3s;
}

/* ── Login ─────────────────────────────────────────────────────── */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100dvh;
}
.login-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2.5rem 2rem;
    width: min(380px, 92vw);
}
.login-box h1 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 1.6rem;
    text-align: center;
    letter-spacing: -.02em;
}
.login-box label {
    display: flex;
    flex-direction: column;
    gap: .4rem;
    font-size: .85rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}
.login-box input {
    background: var(--bg-card2);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    padding: .6rem .8rem;
    font-size: 1rem;
    outline: none;
    transition: border-color .2s;
}
.login-box input:focus { border-color: var(--accent); }
.login-box button {
    width: 100%;
    margin-top: .6rem;
    padding: .75rem;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: opacity .2s;
}
.login-box button:hover { opacity: .85; }
.login-error {
    color: var(--aqi-5);
    font-size: .88rem;
    margin-bottom: 1rem;
    text-align: center;
}

/* ── Top bar ───────────────────────────────────────────────────── */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .5rem 1.4rem;
    background: var(--topbar-bg);
    gap: 1rem;
    color: #fff;
}
.topbar-brand {
    display: flex;
    align-items: center;
    gap: .65rem;
    flex-shrink: 0;
}
.topbar-logo {
    width: 22px;
    height: 22px;
    opacity: .9;
    flex-shrink: 0;
}
.topbar-center {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
}
.topbar-time {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -.04em;
    font-variant-numeric: tabular-nums;
    line-height: 1;
    color: #fff;
}
.topbar-meta {
    display: flex;
    align-items: center;
    gap: .6rem;
    flex-wrap: wrap;
    justify-content: center;
}
.topbar-date {
    font-size: .78rem;
    color: rgba(255,255,255,.75);
    font-variant-numeric: tabular-nums;
    text-transform: capitalize;
}
.topbar-sun-sep {
    width: 1px;
    height: 1.1rem;
    background: rgba(255,255,255,.25);
    flex-shrink: 0;
}
.topbar-sun-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .05rem;
}
.topbar-sun-label {
    font-size: .58rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: rgba(255,255,255,.55);
}
.topbar-sun-val {
    font-size: .85rem;
    font-weight: 700;
    color: #fff;
    font-variant-numeric: tabular-nums;
}
.topbar-actions {
    display: flex;
    gap: .5rem;
    align-items: center;
    flex-shrink: 0;
}
.topbar-updated { font-size: .72rem; color: rgba(255,255,255,.6); }

/* Base btn-icon (used outside topbar too) */
.btn-icon {
    background: var(--bg-card2);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-muted);
    padding: .4rem .65rem;
    font-size: .82rem;
    cursor: pointer;
    transition: color .2s, border-color .2s, background .2s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: .3rem;
}
.btn-icon:hover { color: var(--text); border-color: var(--accent); }

/* Topbar btn-icon overrides for colored background */
.topbar .btn-icon {
    background: rgba(255,255,255,.15);
    border-color: rgba(255,255,255,.2);
    color: rgba(255,255,255,.9);
}
.topbar .btn-icon:hover {
    background: rgba(255,255,255,.25);
    border-color: rgba(255,255,255,.4);
    color: #fff;
}
.topbar .btn-icon.active {
    background: rgba(255,255,255,.3);
    border-color: rgba(255,255,255,.55);
    color: #fff;
    font-weight: 700;
}

/* ── Main layout ───────────────────────────────────────────────── */
.dashboard {
    padding: var(--gap);
    display: flex;
    flex-direction: column;
    gap: var(--gap);
}

/* ── Card icon (decorative, top-right corner) ──────────────────── */
.card-icon {
    position: absolute;
    top: .8rem;
    right: .8rem;
    width: 20px;
    height: 20px;
    opacity: .28;
    color: var(--text);
    pointer-events: none;
    flex-shrink: 0;
}

/* ── Electricity card ──────────────────────────────────────────── */
.elec-card {
    padding: 1.4rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: calc(var(--radius) + 4px);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.elec-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
}
.elec-fees {
    display: flex;
    gap: .5rem;
    flex-wrap: wrap;
}
.btn-fee {
    background: var(--bg-card2);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-muted);
    padding: .35rem .75rem;
    font-size: .8rem;
    font-weight: 600;
    cursor: pointer;
    transition: color .2s, border-color .2s, background .2s;
    white-space: nowrap;
}
.btn-fee:hover { color: var(--text); border-color: var(--accent); }
.btn-fee.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}
.elec-hero {
    display: flex;
    align-items: baseline;
    gap: .35rem;
    flex-shrink: 0;
}
.elec-price {
    font-size: 2.4rem;
    font-weight: 800;
    letter-spacing: -.04em;
    font-variant-numeric: tabular-nums;
    line-height: 1;
}
.elec-unit {
    font-size: .85rem;
    color: var(--text-muted);
}
.elec-sublabel {
    font-size: .8rem;
    color: var(--text-muted);
    margin-top: .3rem;
}
.elec-chart-wrap {
    height: 160px;
    position: relative;
}
.elec-chart-wrap canvas {
    width: 100% !important;
    height: 100% !important;
}

/* Two-column panel row */
.panels {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--gap);
}

.panel-card {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1.4rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: calc(var(--radius) + 4px);
}

/* ── Option A: hero-left (square) + 2×2 cards-right ────────────── */
.panel-a-body {
    display: grid;
    grid-template-columns: auto 1fr;  /* hero sizes itself via aspect-ratio */
    align-items: stretch;
    gap: .7rem;
    flex: 1;
}

.panel-a-hero {
    aspect-ratio: 1;                  /* square: width tracks grid-row height */
    background: var(--bg-card2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: .9rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: .4rem;
    text-align: center;
}

/* Icon + temperature on one row */
.hero-temp-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .45rem;
}

.panel-a-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 6px;
}

.panel-a-cards .card {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: .65rem .75rem .55rem;
}

/* Weather hero */
.panel-a-hero .w-icon-wrap       { width: 44px; height: 44px; }
.panel-a-hero .weather-temp      { font-size: 2.4rem; }
.panel-a-hero .weather-temp sup  { font-size: .95rem; }
.panel-a-hero .weather-condition { font-size: .78rem; font-weight: 700; line-height: 1.25; }
.panel-a-hero .weather-sub       { display: none; }
.panel-a-hero .weather-time      { font-size: .62rem; color: var(--text-muted); }

/* AQI hero */
.panel-a-hero .aqi-badge         { width: 72px; height: 72px; }
.panel-a-hero .aqi-badge .aqi-value { font-size: 1.65rem; }
.panel-a-hero .aqi-badge .aqi-unit  { font-size: .6rem; }
.panel-a-hero .aqi-label         { font-size: 1.15rem; }
.panel-a-hero .aqi-sublabel      { display: none; }
.panel-a-hero .aqi-time          { font-size: .62rem; color: var(--text-muted); }

/* Compact metric cards */
.panel-a-cards .card-name        { font-size: .62rem; }
.panel-a-cards .card-value       { font-size: 1.45rem; margin: .15rem 0 .05rem; }
.panel-a-cards .card-unit        { font-size: .68rem; }
.panel-a-cards .card-level       { font-size: .68rem; }
.panel-a-cards .card-badge       { width: 52px; height: 52px; margin: .25rem auto .1rem; }
.panel-a-cards .card-badge-val   { font-size: 1.1rem; }
.panel-a-cards .card-badge-unit  { font-size: .52rem; }

/* ── Info ⓘ tooltips (AQI, PM cards, pollen) ───────────────────── */
.info-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: .65rem;
    padding: 0 .1rem;
    opacity: .6;
    vertical-align: middle;
    line-height: 1;
    transition: opacity .2s;
}
.info-btn:hover { opacity: 1; }

/* position: fixed so cards keep overflow:hidden (accent bar stays clipped) */
.info-tip {
    position: fixed;
    min-width: 180px;
    max-width: 260px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: .55rem .65rem;
    display: flex;
    flex-wrap: wrap;
    gap: .2rem .5rem;
    z-index: 200;
    box-shadow: 0 4px 16px rgba(0,0,0,.35);
    text-align: left;
}
.info-tip span    { font-size: .62rem; color: var(--text-muted); }
.info-tip-foot {
    width: 100%;
    margin-top: .25rem;
    padding-top: .3rem;
    border-top: 1px solid var(--border);
    font-size: .6rem !important;
}
.info-tip[hidden] { display: none; }

@media (max-width: 960px) {
    .panels       { display: flex; flex-direction: column; }
    .panel-a-body { grid-template-columns: 1fr; }
}

/* ── Section heading ───────────────────────────────────────────── */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 2rem;   /* matches btn-trend height so both panels align */
}
.section-title {
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: .45rem;
    min-height: 2rem;   /* same as section-header so panel-a-body heights match */
}
.section-title svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
    opacity: .85;
}

/* ── Weather hero ──────────────────────────────────────────────── */
.weather-hero {
    background: var(--bg-card2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.6rem;
    display: flex;
    align-items: center;
    gap: 1.4rem;
    flex-wrap: wrap;
}
.weather-left {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-shrink: 0;
}
.w-icon-wrap {
    width: 72px;
    height: 72px;
    flex-shrink: 0;
}
.w-icon-wrap svg {
    width: 100%;
    height: 100%;
}
.weather-temp {
    font-size: 4rem;
    font-weight: 800;
    letter-spacing: -.04em;
    line-height: 1;
    white-space: nowrap;
}
.weather-temp sup {
    font-size: 1.5rem;
    font-weight: 700;
    vertical-align: super;
    margin-left: .05em;
}
.weather-info { flex: 1; min-width: 140px; }
.weather-condition {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -.02em;
    line-height: 1.2;
}
.weather-sub  { font-size: .84rem; color: var(--text-muted); margin-top: .35rem; }
.weather-time { font-size: .75rem; color: var(--text-muted); margin-top: .5rem; }

/* ── AQI hero ──────────────────────────────────────────────────── */
.aqi-hero {
    background: var(--bg-card2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.6rem;
    display: flex;
    align-items: center;
    gap: 1.6rem;
    flex-wrap: wrap;
}
.aqi-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 110px;
    height: 110px;
    border-radius: 50%;
    font-weight: 800;
    flex-shrink: 0;
    background: var(--aqi-unknown);
    transition: background .4s;
}
.aqi-badge .aqi-value { font-size: 2.6rem; line-height: 1; }
.aqi-badge .aqi-unit  { font-size: .72rem; opacity: .8; margin-top: .15rem; }
.aqi-info { flex: 1; min-width: 160px; }
.aqi-label {
    font-size: 1.9rem;
    font-weight: 800;
    letter-spacing: -.03em;
    line-height: 1.1;
}
.aqi-sublabel {
    font-size: .85rem;
    color: var(--text-muted);
    margin-top: .3rem;
}
.aqi-time { font-size: .75rem; color: var(--text-muted); margin-top: .5rem; }

/* AQI colour classes */
.aqi-color-1 { background: var(--aqi-1); color: #fff; }
.aqi-color-2 { background: var(--aqi-2); color: #fff; }
.aqi-color-3 { background: var(--aqi-3); color: #fff; }
.aqi-color-4 { background: var(--aqi-4); color: #fff; }
.aqi-color-5 { background: var(--aqi-5); color: #fff; }
.aqi-text-1  { color: var(--aqi-1); }
.aqi-text-2  { color: var(--aqi-2); }
.aqi-text-3  { color: var(--aqi-3); }
.aqi-text-4  { color: var(--aqi-4); }
.aqi-text-5  { color: var(--aqi-5); }

/* ── Metric cards ──────────────────────────────────────────────── */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: calc(var(--gap) * .7);
}
.card {
    background: var(--bg-card2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.1rem 1.1rem .9rem;
    position: relative;
    overflow: hidden;
}
.card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--card-accent, var(--accent));
    border-radius: var(--radius) var(--radius) 0 0;
}
.card-name  { font-size: .7rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--text-muted); }
.card-value { font-size: 2rem; font-weight: 800; line-height: 1.1; margin: .35rem 0 .1rem; letter-spacing: -.03em; }
.card-unit  { font-size: .78rem; color: var(--text-muted); }
.card-level { font-size: .78rem; font-weight: 600; margin-top: .35rem; }
.card-time  { font-size: .68rem; color: var(--text-muted); margin-top: .3rem; }

/* ── Circular badge inside AQ cards ───────────────────────────── */
.card-badge {
    width: 76px;
    height: 76px;
    border-radius: 50%;
    background: var(--aqi-unknown);
    color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: .5rem auto .15rem;
    transition: background .4s;
}
.card-badge-val  { font-size: 1.5rem; font-weight: 800; line-height: 1; }
.card-badge-unit { font-size: .6rem; opacity: .85; margin-top: .1rem; }

/* ── Trend button (inside AQI hero) ───────────────────────────── */
.btn-trend {
    margin-left: auto;
    align-self: flex-start;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-muted);
    padding: .35rem .7rem;
    font-size: .78rem;
    cursor: pointer;
    transition: color .2s, border-color .2s;
    white-space: nowrap;
}
.btn-trend:hover { color: var(--text); border-color: var(--accent); }

/* ── Trend modal ───────────────────────────────────────────────── */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.65);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    padding: var(--gap);
}
.modal-backdrop[hidden] { display: none; }
.modal-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: calc(var(--radius) + 4px);
    padding: 1.4rem;
    width: min(720px, 100%);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--text-muted);
}
.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1rem;
    cursor: pointer;
    padding: .2rem .4rem;
    border-radius: 6px;
    transition: color .2s, background .2s;
}
.modal-close:hover { color: var(--text); background: var(--bg-card2); }
.modal-box canvas { width: 100% !important; height: 260px !important; }

/* ── Chart card ────────────────────────────────────────────────── */
.chart-card {
    background: var(--bg-card2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.2rem 1.2rem .9rem;
    display: flex;
    flex-direction: column;
    gap: .8rem;
}
.chart-card canvas { max-height: 160px; }

/* ── Card scale legend ─────────────────────────────────────────── */
.card-scale {
    display: flex;
    gap: 2px;
    margin-top: .65rem;
}
.card-scale .cs {
    flex: 1;
    height: 5px;
    border-radius: 2px;
    opacity: .35;
    transition: opacity .3s;
}
.card-scale .cs.cs-active { opacity: 1; box-shadow: 0 0 0 1.5px var(--bg-card2), 0 0 0 3px currentColor; }
.cs-1 { background: var(--aqi-1); color: var(--aqi-1); }
.cs-2 { background: var(--aqi-2); color: var(--aqi-2); }
.cs-3 { background: var(--aqi-3); color: var(--aqi-3); }
.cs-4 { background: var(--aqi-4); color: var(--aqi-4); }
.cs-5 { background: var(--aqi-5); color: var(--aqi-5); }
.card-scale-labels {
    display: flex;
    gap: 2px;
    margin-top: 3px;
}
.card-scale-labels span {
    flex: 1;
    text-align: center;
    font-size: .58rem;
    color: var(--text-muted);
    line-height: 1.2;
    overflow: hidden;
    white-space: nowrap;
}

/* ── Bottom row (trains + future bus) ─────────────────────────── */
.bottom-panels {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--gap);
}
@media (max-width: 960px) {
    .bottom-panels { display: flex; flex-direction: column; }
}

/* ── Trains card ───────────────────────────────────────────────── */
.trains-card {
    padding: 1.4rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: calc(var(--radius) + 4px);
    display: flex;
    flex-direction: column;
    gap: var(--gap);
}


.trains-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.train-row {
    display: grid;
    grid-template-columns: 2.2rem 5.5rem 5.5rem 5.5rem 5rem;
    align-items: center;
    gap: .7rem;
    padding: .75rem .5rem;
    border-bottom: 1px solid var(--border);
    font-variant-numeric: tabular-nums;
    transition: background .15s;
}
.train-row:last-child { border-bottom: none; }
.train-row:hover      { background: var(--bg-card2); border-radius: 8px; }

.train-line-badge {
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .85rem;
    font-weight: 800;
    color: #fff;
    flex-shrink: 0;
}

.train-number {
    font-size: .72rem;
    font-weight: 700;
    color: var(--text-muted);
    text-align: center;
    line-height: 1.2;
}

/* Reusable time+station block */
.train-stop { display: flex; flex-direction: column; gap: .05rem; }
.train-stop-time {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -.02em;
    line-height: 1;
}
.train-stop-time.live { color: var(--aqi-4); }
.train-stop-label {
    font-size: .67rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: .05em;
}

.train-delay {
    text-align: right;
    font-size: .78rem;
    font-weight: 700;
    padding: .2rem .45rem;
    border-radius: 6px;
    justify-self: end;
}
.train-delay.on-time  { color: var(--aqi-1); }
.train-delay.minor    { background: rgba(249,168,37,.15);  color: var(--aqi-3); }
.train-delay.major    { background: rgba(198,40,40,.15);   color: var(--aqi-5); }
.train-delay.cancelled{ background: rgba(198,40,40,.2);    color: var(--aqi-5); }

.trains-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: .4rem;
}
.trains-page-info { font-size: .8rem; color: var(--text-muted); }

/* ── Hamburger (hidden on desktop) ────────────────────────────── */
.hamburger-btn {
    display: none;
    padding: .4rem .5rem;
}
.hamburger-btn svg { width: 20px; height: 20px; }

/* ── Responsive ────────────────────────────────────────────────── */
@media (max-width: 700px) {
    /* Topbar collapses to brand + clock + hamburger */
    .topbar { position: relative; flex-wrap: nowrap; }
    .topbar-center { flex: 1; min-width: 0; }
    .topbar-sun-row { display: none; }
    .topbar-date    { display: none; }
    .topbar-time    { font-size: 1.4rem; }

    .hamburger-btn { display: inline-flex; }

    /* Actions become a full-width dropdown */
    .topbar-actions {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: .35rem;
        padding: .75rem;
        background: var(--topbar-bg);
        border-top: 1px solid rgba(255,255,255,.15);
        box-shadow: 0 8px 24px rgba(0,0,0,.35);
        z-index: 200;
    }
    .topbar-actions.open { display: flex; }
    .topbar-actions .btn-icon {
        justify-content: flex-start;
        padding: .6rem .85rem;
        font-size: .9rem;
    }
    .topbar-updated { display: none; }
}

/* ── Pollen card ───────────────────────────────────────────────── */
.pollen-codes {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    margin: .5rem 0 .3rem;
    min-height: 2.5rem;
    align-items: flex-start;
}
.pollen-token {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .05rem;
}
.pollen-token b {
    font-size: 1.3rem;
    font-weight: 800;
    letter-spacing: -.02em;
    line-height: 1;
}
.pollen-token small {
    font-size: .58rem;
    color: var(--text-muted);
    text-align: center;
    line-height: 1.2;
}
.pollen-none {
    font-size: .82rem;
    color: var(--text-muted);
    align-self: center;
}
.pollen-legend {
    display: flex;
    flex-wrap: wrap;
    gap: .15rem .45rem;
    margin-top: .55rem;
    padding-top: .45rem;
    border-top: 1px solid var(--border);
}
.pollen-legend span {
    font-size: .58rem;
    color: var(--text-muted);
}

/* ── Spinner ───────────────────────────────────────────────────── */
.spinner {
    display: inline-block;
    width: 18px; height: 18px;
    border: 2px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin .7s linear infinite;
    vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }

.loading-state { color: var(--text-muted); font-size: .9rem; padding: 2rem; text-align: center; }
.error-state   { color: var(--aqi-4); font-size: .9rem; padding: 2rem; text-align: center; }

/* ── Responsive ────────────────────────────────────────────────── */
@media (max-width: 600px) {
    .aqi-hero    { padding: 1.2rem; gap: 1.2rem; }
    .weather-hero { padding: 1.2rem; gap: 1rem; }
    .aqi-badge   { width: 88px; height: 88px; }
    .aqi-badge .aqi-value { font-size: 2rem; }
    .aqi-label   { font-size: 1.5rem; }
    .weather-temp { font-size: 3.2rem; }
    .cards-grid  { grid-template-columns: repeat(2, 1fr); }
    .panel-card  { padding: 1rem; }

    /* Trains: drop Pasila column, fluid 4-col grid */
    .train-row {
        grid-template-columns: 2rem 1fr 1fr auto;
        gap: .4rem;
        padding: .65rem .3rem;
    }
    .train-row > *:nth-child(3) { display: none; } /* hide Pasila stop */
    .train-stop-time { font-size: 1rem; }
    .train-delay     { font-size: .72rem; padding: .2rem .35rem; }
}