/* ═══════════════════════════════════════════════════════════════════════════
   UBC Weather — Global Styles
   Weather Channel aesthetic + Liquid Glass / Glassmorphism
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── Custom Properties ─────────────────────────────────────────────────────── */
:root {
    /* Backgrounds */
    --bg:       #04080f;
    --bg2:      #07111f;
    --bg3:      #0a1828;

    /* Glass surfaces */
    --glass:    rgba(6, 18, 42, 0.75);
    --glass-lt: rgba(255, 255, 255, 0.04);
    --glass-hv: rgba(255, 255, 255, 0.07);

    /* Borders */
    --border:   rgba(255, 255, 255, 0.09);
    --border-a: rgba(0, 180, 255, 0.22);

    /* Text */
    --text:     #d8eaf8;
    --muted:    #4d6a86;

    /* Accent — Weather Channel cyan/sky blue */
    --accent:   #00c8ff;
    --accent2:  #0058d6;
    --glow:     rgba(0, 200, 255, 0.18);

    /* Severity */
    --extreme:  #ff2d55;
    --severe:   #ff7b00;
    --moderate: #ffd000;
    --minor:    #00e06c;
    --unknown:  #00c8ff;

    /* Blur + shape */
    --blur:   blur(24px) saturate(180%);
    --r-sm:   8px;
    --r-md:   14px;
    --r-lg:   20px;
    --r-xl:   28px;
    --shadow: 0 12px 48px rgba(0,0,0,.65), 0 2px 8px rgba(0,0,0,.4);
    --shadow-glow: 0 0 30px rgba(0,200,255,.12);

    /* Font */
    --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --mono: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;

    /* Shell heights */
    --header-h: 56px;
    --footer-h: 42px;
}

/* ── Reset ─────────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
    height: 100%;
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
}

a       { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
input:focus, button:focus { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ── Animated atmospheric background ──────────────────────────────────────── */
body::before {
    content: '';
    position: fixed;
    inset: -30%;
    z-index: -1;
    background:
        radial-gradient(ellipse 70% 55% at 15% 65%, rgba(0, 60, 180, 0.30) 0%, transparent 100%),
        radial-gradient(ellipse 55% 45% at 85% 15%, rgba(0, 100, 220, 0.18) 0%, transparent 100%),
        radial-gradient(ellipse 60% 50% at 55% 85%, rgba(40, 0, 100, 0.22) 0%, transparent 100%),
        var(--bg);
    animation: atmo 28s ease-in-out infinite alternate;
    pointer-events: none;
}
@keyframes atmo {
    0%   { transform: scale(1)    rotate(0deg);   }
    50%  { transform: scale(1.06) rotate(180deg); }
    100% { transform: scale(1)    rotate(360deg); }
}

/* ── App Shell ─────────────────────────────────────────────────────────────── */
#app {
    display: flex;
    flex-direction: column;
    height: 100vh;
    height: 100dvh;
}

/* ── Site Header ───────────────────────────────────────────────────────────── */
#site-header {
    background: var(--glass);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 1px 0 rgba(0,200,255,.06), var(--shadow-glow);
    padding: 0 1.25rem;
    height: var(--header-h);
    display: flex;
    align-items: center;
    gap: 1.25rem;
    flex-shrink: 0;
    z-index: 1000;
    position: relative;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: .6rem;
    text-decoration: none;
    flex-shrink: 0;
}
.header-brand img { height: 32px; width: auto; display: block; filter: drop-shadow(0 0 8px rgba(0,200,255,.4)); }
.header-brand-name {
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: .04em;
    color: var(--accent);
    white-space: nowrap;
    text-shadow: 0 0 20px rgba(0,200,255,.4);
}
.header-brand:hover .header-brand-name { opacity: .85; }

/* ── Site Nav ──────────────────────────────────────────────────────────────── */
.site-nav {
    display: flex;
    gap: .25rem;
    flex: 1;
}
.nav-link {
    color: var(--muted);
    padding: .42rem 1rem;
    border-radius: var(--r-xl);
    font-size: .83rem;
    font-weight: 600;
    white-space: nowrap;
    transition: background .18s, color .18s, box-shadow .18s;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: .4rem;
}
.nav-link i { font-size: .85em; }
.nav-link:hover  { background: var(--glass-hv); color: var(--text); text-decoration: none; }
.nav-link.active {
    background: linear-gradient(135deg, var(--accent2), rgba(0,90,200,.7));
    color: #fff;
    box-shadow: 0 0 16px rgba(0,180,255,.25), inset 0 1px 0 rgba(255,255,255,.12);
    text-decoration: none;
}

/* ── Status Bar ────────────────────────────────────────────────────────────── */
#status-bar {
    margin-left: auto;
    font-size: .72rem;
    color: var(--muted);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: .35rem;
    flex-shrink: 0;
    background: var(--glass-lt);
    border: 1px solid var(--border);
    padding: .25rem .65rem;
    border-radius: var(--r-xl);
}
.dot        { display: inline-block; width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }
.dot.green  { background: var(--minor);    box-shadow: 0 0 8px var(--minor); }
.dot.yellow { background: var(--moderate); box-shadow: 0 0 8px var(--moderate); }
.dot.red    { background: var(--extreme);  box-shadow: 0 0 8px var(--extreme); }

/* ── Main Content ──────────────────────────────────────────────────────────── */
#main {
    flex: 1;
    min-height: 0;
    overflow: hidden;
    position: relative;
    will-change: opacity, transform;
}

/* ── Site Footer ───────────────────────────────────────────────────────────── */
#site-footer {
    background: var(--glass);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    border-top: 1px solid var(--border);
    height: var(--footer-h);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 0 1.25rem;
    font-size: .72rem;
    color: var(--muted);
}
.footer-copy  { white-space: nowrap; }
.footer-sep   { color: var(--border); }
.footer-astera {
    display: flex;
    align-items: center;
    gap: .4rem;
    color: var(--muted);
    text-decoration: none;
    transition: color .15s;
    white-space: nowrap;
}
.footer-astera:hover       { color: var(--text); text-decoration: none; }
.footer-astera img         { height: 18px; opacity: .6; transition: opacity .15s; }
.footer-astera:hover img   { opacity: 1; }

/* ── Shared Buttons ────────────────────────────────────────────────────────── */
.small-btn {
    background: var(--glass-lt);
    border: 1px solid var(--border);
    color: var(--text);
    cursor: pointer;
    padding: .38rem .8rem;
    border-radius: var(--r-xl);
    font-size: .78rem;
    font-family: var(--font);
    white-space: nowrap;
    transition: background .15s, box-shadow .15s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
.small-btn:hover   { background: var(--glass-hv); text-decoration: none; }
.small-btn.primary {
    background: linear-gradient(135deg, var(--accent2), rgba(0,90,200,.8));
    border-color: rgba(0,180,255,.3);
    color: #fff;
    box-shadow: 0 0 16px rgba(0,160,255,.2);
}
.small-btn.primary:hover { box-shadow: 0 0 24px rgba(0,160,255,.35); }
.small-btn:disabled { opacity: .4; cursor: not-allowed; }

.ctrl-btn {
    background: var(--glass-lt);
    border: 1px solid var(--border);
    color: var(--text);
    cursor: pointer;
    padding: .38rem .78rem;
    border-radius: var(--r-xl);
    font-size: .78rem;
    font-family: var(--font);
    transition: background .15s, box-shadow .15s;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
.ctrl-btn:hover       { background: var(--glass-hv); }
.ctrl-btn.active-ctrl {
    background: linear-gradient(135deg, var(--accent2), rgba(0,90,200,.75));
    border-color: rgba(0,180,255,.3);
    color: #fff;
    box-shadow: 0 0 14px rgba(0,160,255,.2);
}

/* ── Severity Badges ───────────────────────────────────────────────────────── */
.severity-badge {
    display: inline-block;
    padding: .15rem .55rem;
    border-radius: var(--r-xl);
    font-size: .66rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .07em;
}
.sev-extreme  { background: var(--extreme);  color: #fff; box-shadow: 0 0 12px rgba(255,45,85,.4);  }
.sev-severe   { background: var(--severe);   color: #fff; box-shadow: 0 0 12px rgba(255,123,0,.4);  }
.sev-moderate { background: var(--moderate); color: #111; box-shadow: 0 0 12px rgba(255,208,0,.3);  }
.sev-minor    { background: var(--minor);    color: #fff; box-shadow: 0 0 12px rgba(0,224,108,.3);  }
.sev-unknown  { background: var(--unknown);  color: #fff; }

/* ── Loading & Empty States ────────────────────────────────────────────────── */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--muted);
    font-size: .88rem;
    gap: .5rem;
}
.spinner {
    width: 18px; height: 18px;
    border: 2px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin .7s linear infinite;
    flex-shrink: 0;
}
@keyframes spin { to { transform: rotate(360deg); } }

.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--muted);
    grid-column: 1 / -1;
}

/* ── Timestamp pill ────────────────────────────────────────────────────────── */
.ts-pill {
    display: inline-flex;
    align-items: center;
    gap: .25rem;
    font-size: .68rem;
    color: var(--muted);
    background: var(--glass-lt);
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    padding: .1rem .5rem;
    white-space: nowrap;
}

/* ── 404 Page ──────────────────────────────────────────────────────────────── */
.page-error #main       { display: flex; align-items: center; justify-content: center; }
.error-container        { text-align: center; padding: 2rem; }
.error-code             { font-size: 6rem; font-weight: 800; color: var(--accent); line-height: 1; margin-bottom: .25rem; text-shadow: 0 0 40px rgba(0,200,255,.4); }
.error-title            { font-size: 1.5rem; font-weight: 600; margin-bottom: .75rem; }
.error-message          { color: var(--muted); margin-bottom: 1.5rem; font-size: .9rem; }
.error-links            { display: flex; gap: .5rem; justify-content: center; }

/* ── Leaflet Overrides ─────────────────────────────────────────────────────── */
.leaflet-control-zoom a        { background: var(--glass) !important; color: var(--text) !important; border-color: var(--border) !important; backdrop-filter: var(--blur); }
.leaflet-control-zoom a:hover  { background: var(--glass-hv) !important; }
.leaflet-popup-content-wrapper { background: var(--glass) !important; color: var(--text) !important; border: 1px solid var(--border) !important; backdrop-filter: var(--blur); border-radius: var(--r-md) !important; box-shadow: var(--shadow) !important; }
.leaflet-popup-tip-container   { display: none; }
.leaflet-tooltip               { background: var(--glass) !important; color: var(--text) !important; border: 1px solid var(--border) !important; border-radius: var(--r-sm) !important; backdrop-filter: blur(12px); font-size: .78rem; }
.leaflet-popup-content         { margin: .7rem !important; }

/* ── User Location Marker ──────────────────────────────────────────────────── */
.ulm-wrap  { position: relative; width: 24px; height: 24px; }
.ulm-dot   { position: absolute; inset: 5px; background: #1e90ff; border-radius: 50%; border: 2px solid #fff; box-shadow: 0 0 0 2px rgba(30,144,255,.4); z-index: 2; }
.ulm-pulse {
    position: absolute;
    inset: 0;
    background: rgba(30,144,255,.25);
    border-radius: 50%;
    animation: ulm-ping 2s ease-out infinite;
    z-index: 1;
}
@keyframes ulm-ping {
    0%   { transform: scale(.8); opacity: .8; }
    100% { transform: scale(2.4); opacity: 0; }
}

/* ── Location popup ───────────────────────────────────────────────────────── */
.loc-popup     { min-width: 200px; }
.loc-header    { display: flex; align-items: center; gap: .4rem; font-weight: 700; font-size: .85rem; margin-bottom: .55rem; color: var(--accent); }
.loc-period    { display: grid; grid-template-columns: 1fr auto; gap: .1rem .5rem; margin-bottom: .4rem; font-size: .78rem; border-top: 1px solid var(--border); padding-top: .35rem; }
.loc-period-name { font-weight: 600; color: var(--text); }
.loc-period-temp { font-weight: 700; color: var(--accent); text-align: right; }
.loc-period-desc { color: var(--muted); grid-column: 1; font-size: .72rem; }
.loc-period-wind { color: var(--muted); grid-column: 2; text-align: right; font-size: .7rem; }
.loc-loading   { display: flex; align-items: center; gap: .4rem; font-size: .8rem; color: var(--muted); }
.loc-error     { color: var(--extreme); font-size: .8rem; display: flex; align-items: center; gap: .35rem; }

/* ── Toast Notifications ───────────────────────────────────────────────────── */
#toast-container {
    position: fixed;
    bottom: 1.25rem;
    right: 1.25rem;
    z-index: 99999;
    display: flex;
    flex-direction: column;
    gap: .55rem;
    pointer-events: none;
    max-width: 340px;
    width: calc(100vw - 2.5rem);
}

.toast {
    background: var(--glass);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    border-radius: var(--r-md);
    padding: .75rem 1rem;
    display: flex;
    align-items: flex-start;
    gap: .65rem;
    box-shadow: var(--shadow);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    pointer-events: auto;
    cursor: pointer;
    opacity: 0;
    transform: translateX(28px);
    transition: opacity .22s ease, transform .22s ease;
}
.toast.toast-in  { opacity: 1; transform: translateX(0); }
.toast.toast-out { opacity: 0; transform: translateX(28px); }

.toast-extreme  { border-left-color: var(--extreme); }
.toast-severe   { border-left-color: var(--severe);  }
.toast-moderate { border-left-color: var(--moderate);}
.toast-minor    { border-left-color: var(--minor);   }
.toast-success  { border-left-color: var(--minor);   }
.toast-error    { border-left-color: var(--extreme); }
.toast-info     { border-left-color: var(--accent);  }

.toast-icon { font-size: 1rem; flex-shrink: 0; padding-top: .05rem; }
.toast-extreme  .toast-icon,
.toast-error    .toast-icon { color: var(--extreme); }
.toast-severe   .toast-icon { color: var(--severe);  }
.toast-moderate .toast-icon { color: var(--moderate);}
.toast-minor    .toast-icon,
.toast-success  .toast-icon { color: var(--minor);   }
.toast-info     .toast-icon { color: var(--accent);  }

.toast-body  { flex: 1; min-width: 0; }
.toast-title { font-size: .82rem; font-weight: 700; color: var(--text); margin-bottom: .08rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.toast-msg   { font-size: .73rem; color: var(--muted); line-height: 1.4; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.toast-close { background: none; border: none; color: var(--muted); cursor: pointer; font-size: .9rem; line-height: 1; padding: 0; flex-shrink: 0; }
.toast-close:hover { color: var(--text); }

/* ── Notify permission bar ─────────────────────────────────────────────────── */
#notify-bar {
    background: linear-gradient(90deg, rgba(0,88,214,.18), rgba(0,30,80,.12));
    border-bottom: 1px solid var(--border-a);
    padding: .5rem 1rem;
    display: flex;
    align-items: center;
    gap: .75rem;
    font-size: .8rem;
    color: var(--muted);
    flex-shrink: 0;
    backdrop-filter: blur(8px);
}
#notify-bar .notify-bar-text { flex: 1; }
#notify-bar[hidden] { display: none; }

/* ── Custom Audio Player ───────────────────────────────────────────────────── */
.ap {
    display: flex;
    align-items: center;
    gap: .35rem;
    background: var(--glass-lt);
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    padding: .3rem .55rem;
    width: 100%;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: border-color .18s;
}
.ap--playing { border-color: var(--border-a); box-shadow: 0 0 12px rgba(0,200,255,.12); }

.ap-play {
    background: linear-gradient(135deg, var(--accent2), rgba(0,90,200,.8));
    border: none;
    color: #fff;
    cursor: pointer;
    width: 26px; height: 26px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    font-size: .7rem;
    transition: transform .12s, box-shadow .12s;
    box-shadow: 0 0 10px rgba(0,160,255,.25);
}
.ap-play:hover  { transform: scale(1.1); box-shadow: 0 0 16px rgba(0,160,255,.4); }
.ap-play:active { transform: scale(.93); }

.ap-track {
    flex: 1; height: 4px;
    background: var(--border);
    border-radius: 2px;
    cursor: pointer;
    position: relative;
    min-width: 40px;
    overflow: hidden;
}
.ap-fill { height: 100%; background: var(--accent); border-radius: 2px; width: 0%; transition: width .1s linear; pointer-events: none; }
.ap-time { font-size: .66rem; color: var(--muted); font-variant-numeric: tabular-nums; white-space: nowrap; flex-shrink: 0; }
.ap-vol-wrap { display: flex; align-items: center; gap: .2rem; flex-shrink: 0; }
.ap-vol-btn  { background: none; border: none; color: var(--muted); cursor: pointer; font-size: .7rem; padding: .15rem; line-height: 1; transition: color .15s; }
.ap-vol-btn:hover { color: var(--text); }
.ap-vol-range {
    -webkit-appearance: none; appearance: none;
    width: 52px; height: 3px;
    background: var(--border); border-radius: 2px;
    cursor: pointer; accent-color: var(--accent);
}
.ap-vol-range::-webkit-slider-thumb { -webkit-appearance: none; width: 11px; height: 11px; background: var(--accent); border-radius: 50%; cursor: pointer; }

/* ── Mobile Bottom Navigation ──────────────────────────────────────────────── */
#mobile-nav { display: none; }

@media (max-width: 700px) {
    .site-nav          { display: none; }
    .header-brand-name { display: none; }
    #status-bar        { margin-left: auto; padding: .2rem .5rem; font-size: .68rem; }
    #site-footer       { display: none; }

    #site-header {
        height: 48px;
        padding: 0 .85rem;
        gap: .75rem;
    }

    #mobile-nav {
        display: flex;
        position: fixed;
        bottom: 0; left: 0; right: 0;
        z-index: 9000;
        background: var(--glass);
        backdrop-filter: var(--blur);
        -webkit-backdrop-filter: var(--blur);
        border-top: 1px solid var(--border);
        padding-bottom: env(safe-area-inset-bottom, 0px);
        box-shadow: 0 -4px 24px rgba(0,0,0,.4);
    }

    .mnav-item {
        flex: 1;
        display: flex; flex-direction: column;
        align-items: center; justify-content: center;
        gap: .22rem;
        padding: .6rem .25rem .45rem;
        color: var(--muted);
        text-decoration: none;
        font-size: .6rem;
        font-weight: 700;
        letter-spacing: .04em;
        text-transform: uppercase;
        transition: color .15s;
        -webkit-tap-highlight-color: transparent;
    }
    .mnav-item i { font-size: 1.2rem; transition: transform .15s; }
    .mnav-item:hover,
    .mnav-item.active { color: var(--accent); text-decoration: none; }
    .mnav-item.active i { transform: scale(1.1); filter: drop-shadow(0 0 6px rgba(0,200,255,.5)); }

    #main { margin-bottom: calc(58px + env(safe-area-inset-bottom, 0px)); }
    #toast-container { bottom: calc(68px + env(safe-area-inset-bottom, 0px)); }
}

@media (min-width: 701px) {
    #mobile-nav { display: none !important; }
}

/* ── Responsive ────────────────────────────────────────────────────────────── */
@media (max-width: 700px) {
    #notify-bar { font-size: .75rem; gap: .5rem; }
}