/* Font imported in HTML to prevent blocking */

:root {
    /* Light Theme */
    --bg-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    /* Fallback color */
    --bg-fallback: #667eea;
    --bg-secondary: rgba(255, 255, 255, 0.1);
    --bg-card: rgba(255, 255, 255, 0.15);
    --bg-glass: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.8);
    --text-tertiary: rgba(255, 255, 255, 0.6);
    --border-color: rgba(255, 255, 255, 0.2);
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.3);
    --accent: #ffd700;
    --success: #4ade80;
    --error: #f87171;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
    --bg-primary: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    --bg-secondary: rgba(0, 0, 0, 0.3);
    --bg-card: rgba(0, 0, 0, 0.4);
    --bg-glass: rgba(255, 255, 255, 0.05);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.9);
    --text-tertiary: rgba(255, 255, 255, 0.7);
    --border-color: rgba(255, 255, 255, 0.1);
}

/* Weather-specific backgrounds */
[data-weather="Clear"] { --bg-primary: linear-gradient(135deg, #f093fb 0%, #f5576c 50%, #4facfe 100%); }
[data-weather="Clouds"] { --bg-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%); }
[data-weather="Rain"] { --bg-primary: linear-gradient(135deg, #2c3e50 0%, #34495e 50%, #4a6741 100%); }
[data-weather="Drizzle"] { --bg-primary: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%); }
[data-weather="Thunderstorm"] { --bg-primary: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%); }
[data-weather="Snow"] { --bg-primary: linear-gradient(135deg, #e0eafc 0%, #cfdef3 100%); }
[data-weather="Mist"] { --bg-primary: linear-gradient(135deg, #bdc3c7 0%, #95a5a6 100%); }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--bg-fallback, #1e1e1e); /* Fallback */
    background: var(--bg-primary);
    min-height: 100vh;
    color: var(--text-primary);
    overflow-x: hidden;
    transition: var(--transition);
    position: relative;
}

/* ============================================
   Animated Background
   ============================================ */
.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

.particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20% 30%, rgba(255, 255, 255, 0.3), transparent),
        radial-gradient(2px 2px at 60% 70%, rgba(255, 255, 255, 0.2), transparent),
        radial-gradient(1px 1px at 50% 50%, rgba(255, 255, 255, 0.4), transparent),
        radial-gradient(1px 1px at 80% 10%, rgba(255, 255, 255, 0.3), transparent),
        radial-gradient(2px 2px at 40% 80%, rgba(255, 255, 255, 0.2), transparent);
    background-size: 200% 200%;
    animation: particleMove 20s ease-in-out infinite;
    opacity: 0.6;
}

@keyframes particleMove {
    0%, 100% { background-position: 0% 0%, 100% 100%, 50% 50%, 0% 100%, 100% 0%; }
    50% { background-position: 100% 0%, 0% 100%, 50% 50%, 100% 100%, 0% 0%; }
}

/* ============================================
   Container & Layout
   ============================================ */
.container {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
}

/* ============================================
   Header
   ============================================ */
.header {
    margin-bottom: 30px;
    animation: fadeInDown 0.6s ease-out;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.app-title {
    font-size: clamp(1.8rem, 5vw, 2.5rem);
    font-weight: 800;
    background: linear-gradient(135deg, #fff 0%, #f0f0f0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: flex;
    align-items: center;
    gap: 10px;
}

.weather-icon-header {
    font-size: 2rem;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.header-controls {
    display: flex;
    gap: 10px;
}

.theme-toggle,
.location-btn {
    width: 45px;
    height: 45px;
    border-radius: 12px;
    border: none;
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.theme-toggle:hover,
.location-btn:hover {
    transform: translateY(-2px);
    background: var(--bg-card);
    box-shadow: var(--shadow-md);
}

.theme-toggle:active,
.location-btn:active {
    transform: translateY(0) scale(0.95);
}

/* ============================================
   Search Section
   ============================================ */
.search-section {
    margin-bottom: 25px;
    animation: fadeInUp 0.6s ease-out 0.1s both;
}

.search-container {
    display: flex;
    gap: 12px;
    margin-bottom: 15px;
}

.search-input {
    flex: 1;
    padding: 16px 24px;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    color: var(--text-primary);
    font-size: 16px;
    font-weight: 500;
    transition: var(--transition);
    outline: none;
}

.search-input::placeholder {
    color: var(--text-tertiary);
}

.search-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.2);
    transform: translateY(-2px);
    background: var(--bg-card);
}

.search-btn {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    border: none;
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.search-btn:hover {
    background: var(--bg-card);
    transform: translateY(-2px) scale(1.05);
    box-shadow: var(--shadow-md);
}

.search-btn:active {
    transform: translateY(0) scale(0.95);
}

.search-btn svg {
    stroke: var(--text-primary);
}

/* Favorites */
.favorites-container {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    min-height: 40px;
}

.favorite-chip {
    padding: 8px 16px;
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.favorite-chip:hover {
    background: var(--bg-card);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.favorite-chip.active {
    background: var(--accent);
    color: #000;
    font-weight: 600;
}

/* ============================================
   Status & Error
   ============================================ */
.status {
    text-align: center;
    padding: 12px;
    font-size: 14px;
    color: var(--text-secondary);
    min-height: 20px;
}

.error {
    background: rgba(248, 113, 113, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(248, 113, 113, 0.4);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    animation: shake 0.5s ease-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

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

.error-text {
    color: var(--text-primary);
    font-weight: 500;
}

/* ============================================
   Weather Card
   ============================================ */
.weather-card {
    animation: fadeInUp 0.8s ease-out;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 30px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Current Weather */
.weather-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 25px;
}

.location-info {
    flex: 1;
}

.city-name {
    font-size: clamp(1.8rem, 4vw, 2.2rem);
    font-weight: 700;
    margin-bottom: 5px;
}

.date-time {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 400;
}

.favorite-btn {
    width: 45px;
    height: 45px;
    border-radius: 12px;
    border: none;
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.favorite-btn:hover {
    transform: scale(1.1);
    background: var(--bg-card);
}

.favorite-btn.active .favorite-icon {
    color: var(--accent);
    animation: heartBeat 0.6s ease-out;
}

@keyframes heartBeat {
    0%, 100% { transform: scale(1); }
    25% { transform: scale(1.3); }
    50% { transform: scale(1.1); }
}

.weather-main {
    display: flex;
    align-items: center;
    justify-content: space-around;
    margin: 30px 0;
    flex-wrap: wrap;
    gap: 20px;
}

.weather-icon-container {
    position: relative;
    flex-shrink: 0;
}

.weather-icon {
    width: 150px;
    height: 150px;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.3));
    animation: float 3s ease-in-out infinite;
}

.weather-animation {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
    50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.2; }
}

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

.temperature {
    font-size: clamp(4rem, 10vw, 6rem);
    font-weight: 800;
    line-height: 1;
    margin-bottom: 10px;
    background: linear-gradient(135deg, #fff 0%, #f0f0f0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.weather-description {
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: capitalize;
    margin-bottom: 8px;
}

.feels-like {
    font-size: 0.95rem;
    color: var(--text-tertiary);
}

/* Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 15px;
    margin: 30px 0;
}

.metric-card {
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 18px;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: var(--transition);
}

.metric-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    background: var(--bg-card);
}

.metric-icon {
    font-size: 1.8rem;
    flex-shrink: 0;
}

.metric-info {
    flex: 1;
}

.metric-label {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-bottom: 4px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.metric-value {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* Sun Times */
.sun-times {
    display: flex;
    justify-content: space-around;
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 20px;
    margin: 25px 0;
}

.sun-time {
    display: flex;
    align-items: center;
    gap: 15px;
}

.sun-icon {
    font-size: 2rem;
}

.sun-label {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    margin-bottom: 4px;
    font-weight: 500;
}

.sun-value {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* Forecast Sections */
.forecast-section {
    margin-top: 35px;
}

.section-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.hourly-forecast {
    display: flex;
    gap: 12px;
    overflow-x: auto;
    padding: 10px 0;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

.hourly-forecast::-webkit-scrollbar {
    height: 6px;
}

.hourly-forecast::-webkit-scrollbar-track {
    background: transparent;
}

.hourly-forecast::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.hourly-item {
    min-width: 100px;
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 15px;
    text-align: center;
    transition: var(--transition);
    flex-shrink: 0;
}

.hourly-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    background: var(--bg-card);
}

.hourly-time {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    margin-bottom: 8px;
    font-weight: 500;
}

.hourly-icon {
    width: 50px;
    height: 50px;
    margin: 8px auto;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
}

.hourly-temp {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.daily-forecast {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.daily-item {
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--transition);
}

.daily-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
    background: var(--bg-card);
}

.daily-left {
    display: flex;
    align-items: center;
    gap: 15px;
    flex: 1;
}

.daily-icon {
    width: 60px;
    height: 60px;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
}

.daily-info {
    flex: 1;
}

.daily-day {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.daily-desc {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    text-transform: capitalize;
}

.daily-right {
    text-align: right;
}

.daily-temps {
    display: flex;
    align-items: center;
    gap: 12px;
}

.daily-temp-high {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.daily-temp-low {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-tertiary);
}

/* Loader */
.loader {
    text-align: center;
    padding: 40px;
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border-color);
    border-top-color: var(--accent);
    border-radius: 50%;
    margin: 0 auto 20px;
    animation: spin 1s linear infinite;
}

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

.loader p {
    color: var(--text-secondary);
    font-weight: 500;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }

    .weather-card {
        padding: 20px;
        border-radius: 20px;
    }

    .weather-main {
        flex-direction: column;
        text-align: center;
    }

    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .sun-times {
        flex-direction: column;
        gap: 15px;
    }

    .hourly-item {
        min-width: 90px;
        padding: 12px;
    }

    .daily-item {
        flex-wrap: wrap;
    }

    .daily-right {
        width: 100%;
        text-align: left;
        margin-top: 10px;
    }
}

@media (max-width: 480px) {
    .app-title {
        font-size: 1.5rem;
    }

    .header-controls {
        gap: 8px;
    }

    .theme-toggle,
    .location-btn {
        width: 40px;
        height: 40px;
    }

    .search-input {
        padding: 14px 20px;
        font-size: 15px;
    }

    .search-btn {
        width: 50px;
        height: 50px;
    }

    .weather-icon {
        width: 120px;
        height: 120px;
    }

    .temperature {
        font-size: 3.5rem;
    }

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

    .metric-card {
        padding: 15px;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Selection */
::selection {
    background: var(--accent);
    color: #000;
}