/* ============================================
   ADS - GLOBAL STYLES
   ============================================ */

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

:root {
    --bg-gradient-start: #0b0f14;
    --bg-gradient-end: #111827;
    --container-bg: rgba(17, 24, 39, 0.85);
    --card-bg: rgba(31, 41, 55, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-primary: #f9fafb;
    --text-secondary: #d1d5db;
    --text-muted: #9ca3af;
    --accent-primary: #3b82f6;
    --accent-success: #10b981;
    --accent-warning: #f59e0b;
    --accent-danger: #ef4444;
    --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.5);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
    background-attachment: fixed;
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    display: block;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    outline: none;
}

/* ============================================
   MOBILE CONTAINER SYSTEM
   ============================================ */

.mobile-app-wrapper {
    width: 100%;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 0;
}

.mobile-container {
    width: 100%;
    background: var(--container-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    min-height: 100vh;
    position: relative;
}

/* Desktop: Phone Preview Mode */
@media (min-width: 768px) {
    .mobile-app-wrapper {
        padding: 40px 20px;
    }
    
    .mobile-container {
        max-width: 420px;
        border-radius: 28px;
        border: 1px solid var(--glass-border);
        box-shadow: var(--shadow-lg);
        min-height: calc(100vh - 80px);
        overflow: hidden;
    }
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero-section {
    position: relative;
    height: 280px;
    background-size: cover;
    background-position: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0,0,0,0.4) 0%, rgba(0,0,0,0.7) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.hero-logo {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin: 0 auto 1rem;
    border: 3px solid rgba(255, 255, 255, 0.3);
    object-fit: cover;
    background: rgba(255, 255, 255, 0.1);
}

.hero-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 300;
}

/* ============================================
   SEARCH SECTION
   ============================================ */

.search-section {
    padding: 1.5rem;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
}

.search-form {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.search-form select {
    flex: 1;
    min-width: 140px;
    padding: 0.85rem 1rem;
    background: rgba(17, 24, 39, 0.6);
    border: 1px solid var(--glass-border);
    border-radius: 14px;
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: all 0.2s;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23fff' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.search-form select:focus {
    outline: none;
    border-color: var(--accent-primary);
    background-color: rgba(17, 24, 39, 0.8);
}

/* ============================================
   SECTION HEADERS
   ============================================ */

.section-header {
    padding: 1.5rem 1.5rem 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.section-title {
    font-size: 1.25rem;
    font-weight: 700;
}

/* ============================================
   BADGES
   ============================================ */

.badge {
    display: inline-block;
    padding: 0.35rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-new {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
}

.badge-sold {
    background: rgba(239, 68, 68, 0.2);
    color: var(--accent-danger);
    border: 1px solid var(--accent-danger);
}

.badge-available {
    background: rgba(16, 185, 129, 0.2);
    color: var(--accent-success);
    border: 1px solid var(--accent-success);
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mt-2 { margin-top: 1rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }