/* =========================================================
   Aether Weather Dashboard — style.css
   Aesthetic: Dark cosmic / aurora glass with depth
   ========================================================= */

/* ---------- CSS Variables ---------- */
:root {
    /* Dark theme (default) */
    --bg-base: #060a12;
    --bg-card: rgba(255, 255, 255, 0.04);
    --bg-card-hover: rgba(255, 255, 255, 0.07);
    --border: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(120, 180, 255, 0.25);

    --text-primary: #eef2ff;
    --text-secondary: rgba(238, 242, 255, 0.55);
    --text-muted: rgba(238, 242, 255, 0.30);

    --accent-1: #5b8fff;
    /* electric blue */
    --accent-2: #b66dff;
    /* violet */
    --accent-3: #4effd6;
    /* cyan mint */
    --accent-warm: #ffbe55;
    /* amber */

    --gradient-hero: linear-gradient(135deg, rgba(91, 143, 255, 0.18) 0%, rgba(182, 109, 255, 0.14) 100%);
    --shadow-card: 0 8px 40px rgba(0, 0, 0, 0.45);
    --shadow-glow: 0 0 30px rgba(91, 143, 255, 0.18);

    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 10px;

    --font-display: 'Syne', sans-serif;
    --font-body: 'DM Sans', sans-serif;

    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
    --bg-base: #e8eef8;
    --bg-card: rgba(255, 255, 255, 0.60);
    --bg-card-hover: rgba(255, 255, 255, 0.80);
    --border: rgba(0, 0, 0, 0.08);
    --border-glow: rgba(91, 143, 255, 0.30);

    --text-primary: #111827;
    --text-secondary: rgba(17, 24, 39, 0.60);
    --text-muted: rgba(17, 24, 39, 0.35);

    --gradient-hero: linear-gradient(135deg, rgba(91, 143, 255, 0.10) 0%, rgba(182, 109, 255, 0.08) 100%);
    --shadow-card: 0 8px 40px rgba(0, 0, 0, 0.10);
    --shadow-glow: 0 0 30px rgba(91, 143, 255, 0.12);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--bg-base);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    transition: background var(--transition), color var(--transition);
    position: relative;
}

/* ---------- Background Canvas ---------- */
#bg-canvas {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: 0.7;
}

/* Noise texture overlay */
.noise-overlay {
    position: fixed;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    background-size: 150px;
}

/* Everything above background */
header,
main {
    position: relative;
    z-index: 2;
}

/* ---------- Top Bar ---------- */
.topbar {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 18px 28px;
    backdrop-filter: blur(20px) saturate(160%);
    -webkit-backdrop-filter: blur(20px) saturate(160%);
    background: rgba(6, 10, 18, 0.55);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    flex-wrap: wrap;
}

[data-theme="light"] .topbar {
    background: rgba(232, 238, 248, 0.75);
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--text-primary);
    white-space: nowrap;
    flex-shrink: 0;
}

.logo-icon {
    font-size: 1.5rem;
    background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Search wrapper */
.search-wrapper {
    flex: 1;
    min-width: 200px;
    max-width: 480px;
    position: relative;
}

.search-box {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 50px;
    padding: 10px 14px;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.search-box:focus-within {
    border-color: var(--border-glow);
    box-shadow: 0 0 0 3px rgba(91, 143, 255, 0.12);
}

.search-icon {
    width: 18px;
    height: 18px;
    color: var(--text-muted);
    flex-shrink: 0;
}

#search-input {
    background: none;
    border: none;
    outline: none;
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--text-primary);
    width: 100%;
    caret-color: var(--accent-1);
}

#search-input::placeholder {
    color: var(--text-muted);
}

#search-btn {
    background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
    border: none;
    border-radius: 50%;
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    flex-shrink: 0;
    transition: transform var(--transition), opacity var(--transition);
}

#search-btn:hover {
    transform: scale(1.08);
}

#search-btn svg {
    width: 16px;
    height: 16px;
    color: #fff;
}

/* Recent dropdown */
.recent-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: rgba(10, 16, 30, 0.92);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    z-index: 200;
    display: none;
    box-shadow: var(--shadow-card);
}

[data-theme="light"] .recent-dropdown {
    background: rgba(235, 240, 252, 0.95);
}

.recent-dropdown.visible {
    display: block;
}

.recent-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 16px;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: background var(--transition), color var(--transition);
}

.recent-item:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

.recent-item .ri-icon {
    font-size: 0.75rem;
    opacity: 0.5;
}

/* Controls */
.controls {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

/* Unit toggle */
.unit-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 50px;
    padding: 6px 10px;
    cursor: pointer;
    user-select: none;
    transition: border-color var(--transition);
    position: relative;
}

.unit-toggle:hover {
    border-color: var(--border-glow);
}

.unit-opt {
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    transition: color var(--transition);
    z-index: 1;
    padding: 0 2px;
}

.unit-opt.active {
    color: var(--accent-1);
}

.toggle-knob {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-1);
}

/* Theme button */
.theme-btn,
.geo-btn {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 1rem;
    transition: background var(--transition), border-color var(--transition), transform var(--transition);
}

.theme-btn:hover,
.geo-btn:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-glow);
    transform: scale(1.08);
}

.geo-btn svg {
    width: 18px;
    height: 18px;
}

.theme-icon {
    display: none;
}

[data-theme="dark"] .theme-icon.sun {
    display: block;
}

[data-theme="light"] .theme-icon.moon {
    display: block;
}

/* ---------- Main Content ---------- */
.main-content {
    padding: 32px 28px;
    max-width: 1400px;
    margin: 0 auto;
}

/* ---------- Loader ---------- */
.loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
    min-height: 60vh;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.loader.hidden {
    display: none;
}

.loader-ring {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    border: 3px solid var(--border);
    border-top-color: var(--accent-1);
    border-right-color: var(--accent-2);
    animation: spin 0.9s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ---------- Error State ---------- */
.error-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
    min-height: 60vh;
    text-align: center;
}

.error-state[hidden] {
    display: none;
}

.error-icon {
    font-size: 3rem;
}

.error-state h2 {
    font-family: var(--font-display);
    font-size: 1.6rem;
}

.error-state p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.retry-btn {
    margin-top: 8px;
    padding: 10px 28px;
    background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
    border: none;
    border-radius: 50px;
    color: #fff;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: opacity var(--transition), transform var(--transition);
}

.retry-btn:hover {
    opacity: 0.85;
    transform: translateY(-1px);
}

/* ---------- Welcome State ---------- */
.welcome-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 22px;
    min-height: 70vh;
    text-align: center;
    position: relative;
}

.welcome-orb {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(91, 143, 255, 0.25) 0%, rgba(182, 109, 255, 0.15) 50%, transparent 70%);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -65%);
    filter: blur(40px);
    animation: orbPulse 4s ease-in-out infinite;
    pointer-events: none;
}

@keyframes orbPulse {

    0%,
    100% {
        transform: translate(-50%, -65%) scale(1);
        opacity: 0.7;
    }

    50% {
        transform: translate(-50%, -65%) scale(1.15);
        opacity: 1;
    }
}

.welcome-state h1 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -1px;
    position: relative;
}

.welcome-state h1 em {
    font-style: normal;
    background: linear-gradient(90deg, var(--accent-1), var(--accent-3));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.welcome-state p {
    color: var(--text-secondary);
    font-size: 1rem;
    max-width: 320px;
    line-height: 1.6;
}

/* ---------- Dashboard Layout ---------- */
.dashboard {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 20px;
    align-items: start;
    animation: fadeUp 0.5s ease both;
}

.dashboard[hidden] {
    display: none;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ---------- Current Weather Card ---------- */
.current-card {
    background: var(--gradient-hero), var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow-card), var(--shadow-glow);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    position: relative;
    overflow: hidden;
}

.current-card::before {
    content: '';
    position: absolute;
    top: -60px;
    right: -60px;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(91, 143, 255, 0.12) 0%, transparent 70%);
    pointer-events: none;
}

.current-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
}

.city-name {
    font-family: var(--font-display);
    font-size: 1.7rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.5px;
}

.country-name {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 4px;
    font-weight: 300;
}

.local-time {
    color: var(--text-muted);
    font-size: 0.82rem;
    margin-top: 6px;
    font-weight: 300;
}

.weather-icon-wrap {
    width: 90px;
    height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.icon-anim {
    font-size: 72px;
    line-height: 1;
    animation: iconFloat 3s ease-in-out infinite;
    filter: drop-shadow(0 4px 16px rgba(91, 143, 255, 0.3));
}

@keyframes iconFloat {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-6px);
    }
}

/* Temperature */
.temp-display {
    display: flex;
    align-items: flex-start;
    gap: 4px;
    margin-bottom: 4px;
}

.temp-value {
    font-family: var(--font-display);
    font-size: clamp(4rem, 10vw, 5.5rem);
    font-weight: 800;
    line-height: 1;
    letter-spacing: -3px;
    background: linear-gradient(135deg, var(--text-primary) 40%, var(--accent-1));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.temp-unit {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent-1);
    margin-top: 14px;
}

.condition-text {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary);
    text-transform: capitalize;
}

.feels-like {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 4px;
    margin-bottom: 24px;
}

/* Stat grid */
.stat-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    transition: background var(--transition);
}

.stat-item:hover {
    background: var(--bg-card-hover);
}

[data-theme="light"] .stat-item {
    background: rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .stat-item:hover {
    background: rgba(0, 0, 0, 0.07);
}

.stat-icon {
    font-size: 1.2rem;
    flex-shrink: 0;
}

.stat-label {
    font-size: 0.72rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 500;
}

.stat-value {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 1px;
}

/* ---------- Side Panel ---------- */
.side-panel {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

/* Highlights row */
.highlights-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
}

.highlight-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 18px 16px;
    backdrop-filter: blur(16px);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.highlight-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
    border-color: var(--border-glow);
}

.hl-label {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 8px;
}

.hl-value {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--text-primary);
    line-height: 1;
}

/* UV bar */
.uv-bar,
.cloud-bar {
    height: 4px;
    border-radius: 2px;
    background: rgba(255, 255, 255, 0.08);
    margin-top: 10px;
    overflow: hidden;
}

.uv-fill {
    height: 100%;
    border-radius: 2px;
    background: linear-gradient(90deg, #4effd6, #ffbe55, #ff5e5e);
    transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    width: 0%;
}

.cloud-fill {
    height: 100%;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--accent-1), var(--accent-2));
    transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    width: 0%;
}

/* Section titles */
.section-title {
    font-family: var(--font-display);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    font-weight: 700;
    margin-bottom: 12px;
}

/* 5-day Forecast */
.forecast-section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 22px;
    backdrop-filter: blur(16px);
}

.forecast-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 10px;
}

.forecast-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 12px 8px;
    transition: background var(--transition), transform var(--transition), border-color var(--transition);
    cursor: default;
    animation: fadeUp 0.4s ease both;
}

.forecast-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-3px);
    border-color: var(--border-glow);
}

[data-theme="light"] .forecast-card {
    background: rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .forecast-card:hover {
    background: rgba(0, 0, 0, 0.08);
}

.fc-day {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
}

.fc-icon {
    font-size: 1.9rem;
    line-height: 1;
}

.fc-max {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.fc-min {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.fc-desc {
    font-size: 0.65rem;
    color: var(--text-muted);
    text-align: center;
    text-transform: capitalize;
    line-height: 1.2;
}

/* ---------- Hourly Strip ---------- */
.hourly-section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 22px;
    backdrop-filter: blur(16px);
}

.hourly-strip {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
}

.hourly-strip::-webkit-scrollbar {
    height: 4px;
}

.hourly-strip::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 2px;
}

.hourly-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    transition: background var(--transition), border-color var(--transition);
    min-width: 60px;
    cursor: default;
}

.hourly-item:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-glow);
}

[data-theme="light"] .hourly-item {
    background: rgba(0, 0, 0, 0.04);
}

.hi-time {
    font-size: 0.68rem;
    color: var(--text-muted);
    font-weight: 500;
}

.hi-icon {
    font-size: 1.4rem;
}

.hi-temp {
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* ---------- Dynamic weather backgrounds ---------- */
body.weather-clear {
    --bg-glow-1: rgba(255, 190, 85, 0.12);
    --bg-glow-2: rgba(255, 120, 50, 0.08);
}

body.weather-clouds {
    --bg-glow-1: rgba(120, 140, 180, 0.10);
    --bg-glow-2: rgba(80, 100, 150, 0.06);
}

body.weather-rain {
    --bg-glow-1: rgba(60, 120, 220, 0.12);
    --bg-glow-2: rgba(40, 80, 180, 0.08);
}

body.weather-snow {
    --bg-glow-1: rgba(200, 220, 255, 0.12);
    --bg-glow-2: rgba(180, 200, 240, 0.08);
}

body.weather-thunderstorm {
    --bg-glow-1: rgba(180, 80, 255, 0.14);
    --bg-glow-2: rgba(80, 80, 220, 0.10);
}

/* =========================================================
   RESPONSIVE
   ========================================================= */

/* Tablet */
@media (max-width: 1100px) {
    .dashboard {
        grid-template-columns: 1fr;
    }

    .current-card {
        max-width: 600px;
        margin: 0 auto;
        width: 100%;
    }

    .highlights-row {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 860px) {
    .highlights-row {
        grid-template-columns: 1fr 1fr;
    }

    .forecast-grid {
        grid-template-columns: repeat(5, 1fr);
        gap: 8px;
    }
}

@media (max-width: 640px) {
    .topbar {
        padding: 14px 16px;
        gap: 10px;
    }

    .search-wrapper {
        order: 3;
        flex: 0 0 100%;
        max-width: 100%;
        min-width: 0;
    }

    .main-content {
        padding: 20px 14px;
    }

    .current-card {
        padding: 20px;
    }

    .temp-value {
        font-size: 4rem;
    }

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

    .highlights-row {
        grid-template-columns: 1fr 1fr;
    }

    .highlight-card:last-child {
        grid-column: 1 / -1;
    }

    .forecast-grid {
        grid-template-columns: repeat(5, minmax(56px, 1fr));
        gap: 6px;
    }

    .fc-icon {
        font-size: 1.5rem;
    }

    .fc-max {
        font-size: 0.88rem;
    }

    .fc-desc {
        display: none;
    }
}

@media (max-width: 400px) {
    .controls {
        gap: 6px;
    }

    .unit-toggle {
        padding: 5px 8px;
    }

    .unit-opt {
        font-size: 0.72rem;
    }

    .theme-btn,
    .geo-btn {
        width: 34px;
        height: 34px;
    }

    .geo-btn svg {
        width: 16px;
        height: 16px;
    }
}

/* Utility */
.hidden {
    display: none !important;
}