/* CSS Variables & Theme */
:root {
    --bg-color: #08080a;
    --panel-bg: rgba(18, 18, 22, 0.7);
    --panel-border: rgba(220, 38, 38, 0.15);
    --panel-border-hover: rgba(220, 38, 38, 0.35);
    
    --primary: #dc2626;
    --primary-hover: #ef4444;
    --secondary: #991b1b;
    --dark-red: #450a0a;
    
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --text-dim: #6b7280;
    
    --glow-red: rgba(220, 38, 38, 0.18);
    --glow-strong: rgba(220, 38, 38, 0.35);
    
    --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--font-sans);
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
}

/* Background Grid & Glows */
.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-image: 
        linear-gradient(to right, rgba(220, 38, 38, 0.04) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(220, 38, 38, 0.04) 1px, transparent 1px);
    background-size: 40px 40px;
    z-index: -2;
    pointer-events: none;
}

.ambient-glow {
    position: fixed;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    filter: blur(120px);
    z-index: -1;
    pointer-events: none;
    opacity: 0.4;
}

.glow-1 {
    top: -100px;
    left: 20%;
    background: var(--primary);
    opacity: 0.15;
}

.glow-2 {
    bottom: 10%;
    right: -100px;
    background: var(--secondary);
    opacity: 0.2;
}

.glow-3 {
    top: 40%;
    left: -150px;
    background: var(--dark-red);
    opacity: 0.3;
}

/* Navigation */
.navbar {
    width: 100%;
    border-bottom: 1px solid var(--panel-border);
    background: rgba(8, 8, 10, 0.8);
    backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-main);
    font-weight: 700;
    font-size: 1.05rem;
}

.brand-logo-box {
    width: 32px;
    height: 32px;
    background: var(--dark-red);
    border: 1px solid var(--primary);
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-weight: 700;
    box-shadow: 0 0 12px var(--glow-red);
    transition: var(--transition);
}

.nav-brand:hover .brand-logo-box {
    background: var(--primary);
    box-shadow: 0 0 16px var(--glow-strong);
}

.nav-links {
    display: flex;
    gap: 1.5rem;
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
}

.nav-link:hover {
    color: var(--primary-hover);
}

/* Main Content Wrapper */
.main-content {
    flex: 1;
    max-width: 900px;
    width: 100%;
    margin: 0 auto;
    padding: 3rem 1.5rem 5rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

/* Hero Section */
.hero-section {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
    animation: fadeInSlide 0.6s ease-out;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(220, 38, 38, 0.08);
    border: 1px solid rgba(220, 38, 38, 0.25);
    padding: 0.35rem 0.85rem;
    border-radius: 50px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--primary-hover);
    letter-spacing: 0.05em;
}

.status-dot {
    width: 6px;
    height: 6px;
    background-color: var(--primary);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--primary);
    animation: pulse 2s infinite;
}

.hero-title {
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--text-main);
}

.hero-title .highlight {
    color: var(--primary);
    text-shadow: 0 0 25px var(--glow-red);
}

.hero-subtitle {
    color: var(--text-muted);
    font-size: clamp(0.95rem, 2vw, 1.1rem);
    max-width: 540px;
    line-height: 1.5;
}

/* Search System */
.search-container {
    width: 100%;
    max-width: 580px;
    margin-top: 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.search-form {
    display: flex;
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius-lg);
    padding: 0.4rem;
    backdrop-filter: blur(12px);
    transition: var(--transition);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

.search-form:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 20px var(--glow-red);
}

.search-input-wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding-left: 0.85rem;
}

.search-icon {
    color: var(--text-dim);
    flex-shrink: 0;
}

.search-form input {
    width: 100%;
    background: transparent;
    border: none;
    color: var(--text-main);
    font-family: var(--font-sans);
    font-size: 1rem;
    outline: none;
}

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

.search-btn {
    background: var(--primary);
    color: var(--text-main);
    border: none;
    padding: 0.7rem 1.25rem;
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.search-btn:hover {
    background: var(--primary-hover);
    box-shadow: 0 0 15px var(--glow-strong);
}

.geolocation-wrapper {
    display: flex;
    justify-content: flex-start;
    padding-left: 0.25rem;
}

.geo-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: var(--transition);
    padding: 0.2rem 0;
}

.geo-btn .geo-icon {
    color: var(--primary);
    font-size: 1.1rem;
}

.geo-btn:hover {
    color: var(--text-main);
}

.error-message {
    background: rgba(153, 27, 27, 0.15);
    border: 1px solid rgba(220, 38, 38, 0.4);
    color: #fca5a5;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    text-align: left;
    animation: fadeIn 0.3s ease;
}

/* Loading State */
.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 0;
    gap: 1rem;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(220, 38, 38, 0.15);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.loading-state p {
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

/* Weather Result Section */
.weather-result {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    animation: fadeInSlide 0.5s ease-out;
}

.weather-location-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    border-bottom: 1px solid var(--panel-border);
    padding-bottom: 1rem;
}

.location-name {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.local-time {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-top: 0.2rem;
}

.day-night-badge {
    background: rgba(220, 38, 38, 0.1);
    border: 1px solid rgba(220, 38, 38, 0.25);
    color: var(--primary-hover);
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-family: var(--font-mono);
    font-weight: 600;
    text-transform: uppercase;
}

/* Current Weather Card */
.current-weather-card {
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius-xl);
    padding: 2rem;
    backdrop-filter: blur(12px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    transition: var(--transition);
}

.current-weather-card:hover {
    border-color: var(--panel-border-hover);
    box-shadow: 0 8px 32px rgba(220, 38, 38, 0.08);
}

.current-main-info {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.current-icon {
    font-size: 3.5rem;
    filter: drop-shadow(0 4px 12px rgba(0,0,0,0.3));
}

.current-temp-group {
    display: flex;
    flex-direction: column;
}

.current-temp {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.03em;
}

.current-condition {
    color: var(--text-muted);
    font-size: 1.05rem;
    font-weight: 500;
    margin-top: 0.3rem;
}

.current-feels-like {
    color: var(--text-dim);
    font-size: 0.9rem;
    font-family: var(--font-mono);
    background: rgba(255, 255, 255, 0.03);
    padding: 0.5rem 0.85rem;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Statistics Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.stat-card {
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    backdrop-filter: blur(12px);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    transition: var(--transition);
}

.stat-card:hover {
    border-color: var(--panel-border-hover);
    transform: translateY(-2px);
}

.stat-label {
    color: var(--text-dim);
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-main);
    font-family: var(--font-mono);
}

/* Forecast Sections */
.forecast-section {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.section-header-tag {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--primary-hover);
    font-weight: 600;
    letter-spacing: 0.08em;
}

.section-title {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

/* Hourly Forecast Horizontal Scroll */
.hourly-container {
    display: flex;
    gap: 0.85rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
    scrollbar-width: thin;
    scrollbar-color: var(--primary) var(--dark-red);
}

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

.hourly-container::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.02);
    border-radius: 3px;
}

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

.hourly-card {
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius-md);
    padding: 1rem;
    min-width: 90px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.6rem;
    flex-shrink: 0;
    backdrop-filter: blur(12px);
    transition: var(--transition);
}

.hourly-card.active-hour {
    border-color: var(--primary);
    background: rgba(220, 38, 38, 0.07);
    box-shadow: 0 0 15px var(--glow-red);
}

.hourly-card:hover {
    border-color: var(--panel-border-hover);
}

.hourly-time {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.hourly-icon {
    font-size: 1.75rem;
}

.hourly-temp {
    font-size: 1.1rem;
    font-weight: 700;
    font-family: var(--font-mono);
}

.hourly-rain {
    font-size: 0.7rem;
    color: var(--text-dim);
    font-family: var(--font-mono);
}

/* 7-Day Forecast List */
.daily-container {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.daily-row {
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    backdrop-filter: blur(12px);
    display: grid;
    grid-template-columns: 1.2fr 1fr 1.5fr 1fr 1fr;
    align-items: center;
    transition: var(--transition);
}

.daily-row:hover {
    border-color: var(--panel-border-hover);
    background: rgba(220, 38, 38, 0.03);
}

.daily-day-info {
    display: flex;
    flex-direction: column;
}

.daily-day {
    font-weight: 700;
    font-size: 0.95rem;
}

.daily-date {
    font-size: 0.75rem;
    color: var(--text-dim);
    font-family: var(--font-mono);
}

.daily-icon-cond {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

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

.daily-cond-text {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.daily-rain-prob {
    font-size: 0.85rem;
    color: var(--text-dim);
    font-family: var(--font-mono);
}

.daily-temps {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

.daily-temp-max {
    font-weight: 700;
    color: var(--text-main);
}

.daily-temp-min {
    color: var(--text-dim);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.modal.hidden {
    opacity: 0;
    pointer-events: none;
    display: none;
}

.modal-content {
    background: #121216;
    border: 1px solid var(--panel-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    max-width: 420px;
    width: 90%;
    position: relative;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--text-main);
}

.modal-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
}

.modal-content p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Footer */
.footer {
    width: 100%;
    border-top: 1px solid var(--panel-border);
    background: rgba(8, 8, 10, 0.9);
    backdrop-filter: blur(12px);
    margin-top: auto;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-dim);
}

.footer-left {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.footer-brand {
    color: var(--text-muted);
    font-weight: 600;
}

.footer-right a {
    color: var(--primary-hover);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.footer-right a:hover {
    text-decoration: underline;
}

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

/* Animations */
@keyframes fadeInSlide {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.9); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .main-content {
        padding: 2rem 1rem 4rem 1rem;
        gap: 2rem;
    }

    .current-weather-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.5rem;
        padding: 1.5rem;
    }

    .current-feels-like {
        align-self: stretch;
        text-align: center;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .daily-row {
        grid-template-columns: 1.2fr 1.5fr 1fr;
        gap: 0.5rem;
        padding: 0.85rem 1rem;
    }

    .daily-rain-prob {
        display: none;
    }
    
    .weather-location-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
}

@media (max-width: 430px) {
    .hero-title {
        font-size: 2.2rem;
    }

    .search-form {
        flex-direction: column;
        background: transparent;
        border: none;
        padding: 0;
        box-shadow: none;
        gap: 0.75rem;
    }

    .search-input-wrapper {
        background: var(--panel-bg);
        border: 1px solid var(--panel-border);
        border-radius: var(--radius-md);
        padding: 0.75rem;
        backdrop-filter: blur(12px);
    }

    .search-btn {
        width: 100%;
        justify-content: center;
        padding: 0.85rem;
    }
}