:root {
    /* Colors - Oceanic/Sunset Palette */
    --primary: #0ea5e9;
    --primary-dark: #0284c7;
    --secondary: #f43f5e;
    --surface: #ffffff;
    --surface-glass: rgba(255, 255, 255, 0.9);
    --background: #f0f9ff;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --border: #e2e8f0;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 3rem;

    /* Radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-primary: 0 10px 15px -3px rgba(14, 165, 233, 0.3);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--background);
    color: var(--text-main);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4 {
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    line-height: 1.2;
}

/* Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    font-family: 'Outfit', sans-serif;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-primary);
}

.btn-ghost {
    background: transparent;
    color: var(--text-main);
}

.btn-ghost:hover {
    background: rgba(0, 0, 0, 0.05);
}

/* Layout */
.app-header {
    background: var(--surface-glass);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--border);
    padding: var(--spacing-md) 0;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

/* Hero Section */
.hero {
    position: relative;
    padding: 6rem 0;
    text-align: center;
    background: linear-gradient(180deg, #e0f2fe 0%, #f0f9ff 100%);
    overflow: hidden;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(to right, var(--primary-dark), var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.search-container {
    max-width: 500px;
    margin: 0 auto;
    position: relative;
}

/* Beach Score Card - Premium Redesign */
.score-card {
    background: linear-gradient(135deg, #1e293b, #0f172a);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-lg);
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

/* Ambient Glow */
.score-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.score-circle {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    color: white;
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
    border: 3px solid currentColor;
    /* Dynamic color from inline style */
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    position: relative;
    z-index: 1;
}

.sea-badge {
    display: inline-block;
    padding: 0.35rem 1rem;
    border-radius: 2rem;
    font-size: 0.85rem;
    font-weight: 600;
    margin-top: 0.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(4px);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Sea Badge Variants (Glass/Neon) */
.sea-badge.sea-calm {
    background: rgba(34, 197, 94, 0.15);
    color: #4ade80;
    border-color: rgba(34, 197, 94, 0.3);
    box-shadow: 0 0 10px rgba(34, 197, 94, 0.1);
}

.sea-badge.sea-choppy {
    background: rgba(234, 179, 8, 0.15);
    color: #fde047;
    border-color: rgba(234, 179, 8, 0.3);
    box-shadow: 0 0 10px rgba(234, 179, 8, 0.1);
}

.sea-badge.sea-rough {
    background: rgba(239, 68, 68, 0.15);
    color: #f87171;
    border-color: rgba(239, 68, 68, 0.3);
    box-shadow: 0 0 10px rgba(239, 68, 68, 0.1);
}

.score-text-muted {
    color: #94a3b8;
    /* Lighter shade for dark bg */
    font-size: 0.85rem;
    margin-top: 0.5rem;
    line-height: 1.4;
}

.search-input {
    width: 100%;
    padding: 1rem 1.5rem;
    padding-right: 3.5rem;
    border-radius: var(--radius-full);
    border: 1px solid var(--border);
    font-size: 1.1rem;
    box-shadow: var(--shadow-lg);
    outline: none;
    transition: border-color 0.2s;
}

.search-input:focus {
    border-color: var(--primary);
}

.search-btn {
    position: absolute;
    right: 6px;
    top: 6px;
    background: var(--primary);
    color: white;
    border: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s;
}

.search-btn:hover {
    transform: scale(1.05);
}

/* Grid Layouts */
.beach-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    padding: var(--spacing-xl) 0;
}

/* Cards */
.card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card-content {
    padding: var(--spacing-md);
}

.card-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
}

.card-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
}

/* Detail View */
.detail-layout {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-xl) 0;
}

.gallery-hero {
    width: 100%;
    height: 400px;
    border-radius: var(--radius-lg);
    object-fit: cover;
    box-shadow: var(--shadow-md);
}

.hero-grid-split {
    display: grid;
    grid-template-columns: minmax(0, 1.8fr) minmax(0, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    align-items: start;
}

.weather-row {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.weather-widget {
    background: linear-gradient(135deg, #3b82f6, #0ea5e9);
    color: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
}

.weather-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.weather-item {
    background: rgba(255, 255, 255, 0.15);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.map-container {
    height: 300px;
    width: 100%;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    margin-top: var(--spacing-lg);
}

/* Responsive */
@media (max-width: 768px) {

    .detail-layout,
    .weather-row,
    .hero-grid-split {
        grid-template-columns: 1fr;
    }

    .hero-title {
        font-size: 2.25rem;
    }
}