/* =============================================
   Ocin BE – Premium Dark Theme
   ============================================= */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ─── CSS Variables ─── */
:root {
    --bg-primary:    #f8fafc;
    --bg-secondary:  #f1f5f9;
    --bg-card:       #ffffff;
    --bg-card-hover: #ffffff;
    --bg-input:      #ffffff;
    --border-color:  rgba(0,0,0,0.08);
    --border-focus:  rgba(124,58,237,0.7);
    --text-primary:  #0f172a;
    --text-muted:    #64748b;
    --text-dim:      #94a3b8;
    --accent-purple: #7c3aed;
    --accent-cyan:   #06b6d4;
    --gradient:      linear-gradient(135deg, #7c3aed, #06b6d4);
    --gradient-btn:  linear-gradient(135deg, #7c3aed 0%, #4f46e5 50%, #06b6d4 100%);
    --shadow-card:   0 4px 20px rgba(0,0,0,0.05);
    --shadow-glow:   0 0 40px rgba(124,58,237,0.15);
    --radius:        14px;
    --radius-sm:     8px;
    --transition:    0.2s ease;
}

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

html, body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

/* ─── App Shell ─── */
.sb-app {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ─── Navbar ─── */
.sb-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}
.sb-nav-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.sb-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}
.sb-logo-icon { font-size: 1.5rem; }
.sb-logo-text {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}
.sb-logo-accent { background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.sb-nav-links { display: flex; align-items: center; gap: 0.5rem; }
.sb-nav-link {
    padding: 0.4rem 0.9rem;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    background: none;
    border: none;
    cursor: pointer;
}
.sb-nav-link:hover { color: var(--text-primary); background: rgba(0,0,0,0.05); }
.sb-nav-btn {
    padding: 0.45rem 1.1rem;
    border-radius: var(--radius-sm);
    background: var(--gradient-btn);
    color: #fff;
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: 0 2px 12px rgba(124,58,237,0.4);
}
.sb-nav-btn:hover { opacity: 0.9; transform: translateY(-1px); box-shadow: 0 4px 20px rgba(124,58,237,0.5); }
.sb-nav-user { display: flex; align-items: center; gap: 0.5rem; }
.sb-user-badge {
    padding: 0.3rem 0.75rem;
    border-radius: 99px;
    background: rgba(124,58,237,0.1);
    border: 1px solid rgba(124,58,237,0.2);
    font-size: 0.82rem;
    color: #6d28d9;
}
.sb-logout-form { display: inline; }
.sb-logout-btn { color: var(--text-muted) !important; font-size: 0.85rem !important; }

/* ─── Main ─── */
.sb-main { flex: 1; }

/* ─── Footer ─── */
.sb-footer {
    text-align: center;
    padding: 1.5rem;
    color: var(--text-dim);
    font-size: 0.82rem;
    border-top: 1px solid var(--border-color);
}

/* ─── Page Container ─── */
.sb-page {
    max-width: 1280px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

/* ─── Hero Section ─── */
.sb-search-hero { text-align: center; margin-bottom: 2.5rem; }
.sb-hero-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
    letter-spacing: -1px;
    margin-bottom: 0.5rem;
}
.sb-hero-sub { color: var(--text-muted); font-size: 1rem; }

/* ─── Gradient Text ─── */
.sb-gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ─── Search Card ─── */
.sb-search-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 2rem;
    margin-bottom: 2.5rem;
    box-shadow: var(--shadow-card);
}
.sb-form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}
.sb-form-group { display: flex; flex-direction: column; gap: 0.5rem; }
.sb-label { font-size: 0.82rem; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }
.sb-input {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    transition: var(--transition);
    outline: none;
    width: 100%;
}
.sb-input:focus { border-color: var(--border-focus); box-shadow: 0 0 0 3px rgba(124,58,237,0.12); }
.sb-input::placeholder { color: var(--text-dim); }
.sb-select { appearance: none; cursor: pointer; }
.sb-select option { background: var(--bg-card); color: var(--text-primary); }
.sb-form-actions { display: flex; justify-content: center; }

/* ─── Buttons ─── */
.sb-btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 2rem;
    background: var(--gradient-btn);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: 0 2px 16px rgba(124,58,237,0.4);
}
.sb-btn-primary:hover:not(:disabled) { opacity: 0.9; transform: translateY(-1px); box-shadow: 0 6px 24px rgba(124,58,237,0.5); }
.sb-btn-primary:disabled { opacity: 0.55; cursor: not-allowed; }
.sb-btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: rgba(0,0,0,0.02);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition);
}
.sb-btn-secondary:hover { background: rgba(0,0,0,0.05); }
.sb-btn-lg { padding: 0.9rem 2.2rem; font-size: 1rem; }

/* ─── Spinner ─── */
.sb-spinner {
    display: inline-block;
    width: 16px; height: 16px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}
.sb-spinner-large {
    width: 48px; height: 48px;
    border: 3px solid rgba(124,58,237,0.2);
    border-top-color: var(--accent-purple);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    margin: 0 auto 1rem;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── Carrier Results ─── */
.sb-results-section { margin-top: 1rem; }
.sb-results-header { text-align: center; margin-bottom: 2rem; }
.sb-results-title { font-size: 1.5rem; font-weight: 700; }
.sb-results-sub { color: var(--text-muted); margin-top: 0.3rem; }

.sb-carrier-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 1.5rem;
}

.sb-carrier-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-card);
    position: relative;
}
.sb-carrier-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-cyan));
}
.sb-carrier-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow), var(--shadow-card);
    border-color: rgba(124,58,237,0.3);
}

.sb-card-header {
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    border-bottom: 1px solid var(--border-color);
}
.sb-carrier-logo {
    font-size: 2.2rem;
    width: 48px; height: 48px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(0,0,0,0.03);
    border-radius: 10px;
    flex-shrink: 0;
}
.sb-carrier-info { flex: 1; }
.sb-carrier-name { font-size: 1.05rem; font-weight: 700; color: var(--text-primary); }
.sb-carrier-desc { font-size: 0.8rem; color: var(--text-muted); margin-top: 0.2rem; }

.sb-mode-badge {
    padding: 0.25rem 0.7rem;
    border-radius: 99px;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    flex-shrink: 0;
}
.sb-mode-badge.air     { background: rgba(6,182,212,0.15);  color: #06b6d4; border: 1px solid rgba(6,182,212,0.3); }
.sb-mode-badge.surface { background: rgba(22,163,74,0.15);  color: #22c55e; border: 1px solid rgba(22,163,74,0.3); }
.sb-mode-badge.express { background: rgba(239,68,68,0.15);  color: #f87171; border: 1px solid rgba(239,68,68,0.3); }
.sb-mode-badge.ocean   { background: rgba(59,130,246,0.15); color: #60a5fa; border: 1px solid rgba(59,130,246,0.3); }

.sb-card-body {
    padding: 1.25rem 1.5rem;
    display: flex;
    gap: 1.5rem;
    align-items: center;
}
.sb-price-block { flex: 1; }
.sb-price-label { font-size: 0.72rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; display: block; }
.sb-price-value {
    font-size: 1.8rem;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
    display: block;
}
.sb-price-sub { font-size: 0.75rem; color: var(--text-muted); margin-top: 0.2rem; display: block; }

.sb-meta-block { display: flex; flex-direction: column; gap: 0.4rem; }
.sb-meta-item { display: flex; align-items: center; gap: 0.4rem; font-size: 0.82rem; color: var(--text-muted); }
.sb-meta-icon { font-size: 0.9rem; }

.sb-card-footer { padding: 1rem 1.5rem; border-top: 1px solid var(--border-color); }
.sb-btn-book {
    width: 100%;
    padding: 0.7rem;
    background: rgba(124,58,237,0.06);
    border: 1px solid rgba(124,58,237,0.2);
    border-radius: var(--radius-sm);
    color: #6d28d9;
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    letter-spacing: 0.3px;
}
.sb-btn-book:hover {
    background: var(--gradient-btn);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 16px rgba(124,58,237,0.4);
    transform: translateY(-1px);
}

/* ─── No Results ─── */
.sb-no-results {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-muted);
}
.sb-no-results-icon { font-size: 3rem; margin-bottom: 1rem; }
.sb-no-results h3 { font-size: 1.3rem; font-weight: 700; color: var(--text-primary); margin-bottom: 0.5rem; }
.sb-loading { text-align: center; padding: 4rem; color: var(--text-muted); }

/* ─── Booking Modal ─── */
.sb-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(8px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    animation: fadeIn 0.15s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.sb-modal {
    background: var(--bg-card);
    border: 1px solid rgba(0,0,0,0.08);
    border-radius: 20px;
    width: 100%;
    max-width: 580px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 24px 80px rgba(0,0,0,0.1), 0 0 60px rgba(124,58,237,0.05);
    animation: slideUp 0.2s ease;
}
@keyframes slideUp { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

.sb-modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.sb-modal-carrier { display: flex; align-items: center; gap: 1rem; }
.sb-modal-emoji {
    font-size: 2rem;
    width: 52px; height: 52px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(0,0,0,0.03);
    border-radius: 12px;
}
.sb-modal-title { font-size: 1.15rem; font-weight: 700; }
.sb-modal-sub { font-size: 0.82rem; color: var(--text-muted); margin-top: 0.15rem; }
.sb-modal-close {
    width: 34px; height: 34px;
    border-radius: 50%;
    background: rgba(0,0,0,0.04);
    border: none;
    color: var(--text-muted);
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex; align-items: center; justify-content: center;
}
.sb-modal-close:hover { background: rgba(0,0,0,0.08); color: var(--text-primary); }

.sb-modal-body { padding: 1.5rem; }
.sb-modal-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}
.sb-modal-grid .sb-form-group:first-child { grid-column: 1 / -1; }

.sb-modal-price-summary {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 1rem 1.25rem;
    margin-bottom: 1.5rem;
}
.sb-price-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.35rem 0;
    font-size: 0.88rem;
    color: var(--text-muted);
    border-bottom: 1px solid rgba(0,0,0,0.06);
}
.sb-price-row:last-child { border-bottom: none; }
.sb-price-total {
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1rem;
    padding-top: 0.5rem;
    margin-top: 0.25rem;
}
.sb-price-total span:last-child {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1.2rem;
}

.sb-modal-actions { display: flex; gap: 0.75rem; justify-content: flex-end; }

/* ─── Bookings Table ─── */
.sb-bookings-table-wrap {
    overflow-x: auto;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-card);
}
.sb-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.87rem;
}
.sb-table thead {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}
.sb-table th {
    padding: 0.9rem 1.1rem;
    text-align: left;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    white-space: nowrap;
}
.sb-table td {
    padding: 0.85rem 1.1rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    white-space: nowrap;
}
.sb-table tr:last-child td { border-bottom: none; }
.sb-table tbody tr { background: var(--bg-card); transition: var(--transition); }
.sb-table tbody tr:hover { background: var(--bg-card-hover); }

.sb-awb {
    font-family: 'Courier New', monospace;
    font-size: 0.82rem;
    background: rgba(124,58,237,0.08);
    border: 1px solid rgba(124,58,237,0.15);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    color: #6d28d9;
}
.sb-table-carrier { display: flex; align-items: center; gap: 0.4rem; font-weight: 600; }
.sb-amount { font-weight: 700; background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.sb-status-badge {
    padding: 0.2rem 0.65rem;
    border-radius: 99px;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
}
.sb-status-badge.booked { background: rgba(22,163,74,0.15); color: #22c55e; border: 1px solid rgba(22,163,74,0.3); }

/* ─── Toast ─── */
.sb-toast {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 2000;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    border-radius: var(--radius-sm);
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
    font-size: 0.9rem;
    font-weight: 500;
    animation: slideUp 0.3s ease;
    max-width: 420px;
    background: var(--bg-card);
}
.sb-toast-success {
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    color: #16a34a;
}
.sb-toast-close {
    background: none;
    border: none;
    color: currentColor;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0.7;
    margin-left: auto;
}
.sb-toast-close:hover { opacity: 1; }

/* ─── Home Page ─── */
.sb-home { max-width: 1280px; margin: 0 auto; padding: 2rem; }

.sb-hero-section {
    text-align: center;
    padding: 5rem 2rem;
    position: relative;
}
.sb-hero-section::before {
    content: '';
    position: absolute;
    inset: -10% -20%;
    background: radial-gradient(ellipse 80% 60% at 50% 30%, rgba(124,58,237,0.12) 0%, transparent 70%);
    pointer-events: none;
}
.sb-hero-badge {
    display: inline-block;
    padding: 0.35rem 0.9rem;
    border-radius: 99px;
    background: rgba(124,58,237,0.08);
    border: 1px solid rgba(124,58,237,0.15);
    color: #6d28d9;
    font-size: 0.82rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}
.sb-hero-mega {
    font-size: clamp(2.5rem, 7vw, 5rem);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -2px;
    margin-bottom: 1.25rem;
}
.sb-hero-desc {
    color: var(--text-muted);
    font-size: clamp(1rem, 2vw, 1.15rem);
    max-width: 520px;
    margin: 0 auto 2.5rem;
    line-height: 1.6;
}
.sb-hero-cta { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ─── Features ─── */
.sb-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin: 3rem 0;
}
.sb-feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.75rem;
    text-align: center;
    transition: var(--transition);
}
.sb-feature-card:hover { transform: translateY(-3px); border-color: rgba(124,58,237,0.25); box-shadow: var(--shadow-glow); }
.sb-feature-icon { font-size: 2rem; margin-bottom: 0.75rem; }
.sb-feature-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 0.4rem; }
.sb-feature-card p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.5; }

/* ─── Carriers section ─── */
.sb-carriers-section, .sb-city-section { margin: 3rem 0; text-align: center; }
.sb-section-title { font-size: 1.6rem; font-weight: 800; margin-bottom: 1.5rem; letter-spacing: -0.5px; }
.sb-carrier-logos { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.75rem; }
.sb-carrier-chip {
    padding: 0.5rem 1.2rem;
    border-radius: 99px;
    border: 1px solid color-mix(in srgb, var(--c) 50%, transparent);
    background: color-mix(in srgb, var(--c) 10%, transparent);
    color: color-mix(in srgb, var(--c) 80%, #fff);
    font-size: 0.88rem;
    font-weight: 600;
    transition: var(--transition);
}
.sb-carrier-chip:hover { background: color-mix(in srgb, var(--c) 20%, transparent); transform: translateY(-2px); }

.sb-routes-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.6rem; }
.sb-route-chip {
    padding: 0.45rem 1rem;
    border-radius: 99px;
    background: rgba(6,182,212,0.08);
    border: 1px solid rgba(6,182,212,0.2);
    color: #67e8f9;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}
.sb-route-chip:hover { background: rgba(6,182,212,0.15); transform: translateY(-2px); }

/* ─── Identity Page Tweaks ─── */
.container { max-width: 1280px; }
.card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius); }
.card-header { background: var(--bg-secondary); border-bottom: 1px solid var(--border-color); }
.form-control, .form-select {
    background: var(--bg-input) !important;
    border-color: var(--border-color) !important;
    color: var(--text-primary) !important;
    border-radius: var(--radius-sm) !important;
}
.form-control:focus, .form-select:focus {
    border-color: rgba(124,58,237,0.7) !important;
    box-shadow: 0 0 0 3px rgba(124,58,237,0.12) !important;
}
.btn-primary.w-100 {
    background: var(--gradient-btn) !important;
    border: none !important;
    border-radius: var(--radius-sm) !important;
    font-weight: 600 !important;
    box-shadow: 0 2px 12px rgba(124,58,237,0.4) !important;
}
.text-muted { color: var(--text-muted) !important; }
h1, h2, h3 { color: var(--text-primary); }
label { color: var(--text-muted); font-size: 0.85rem; }
a { color: #a78bfa; }
a:hover { color: var(--accent-cyan); }
.nav-link { color: var(--text-muted); }
.nav-pills .nav-link.active, .nav-pills .show>.nav-link { background: var(--accent-purple); }

/* ─── Responsive ─── */
@media (max-width: 768px) {
    .sb-nav-inner { padding: 0 1rem; }
    .sb-page { padding: 2rem 1rem; }
    .sb-home { padding: 1rem; }
    .sb-carrier-grid { grid-template-columns: 1fr; }
    .sb-modal-grid { grid-template-columns: 1fr; }
    .sb-modal-grid .sb-form-group:first-child { grid-column: auto; }
    .sb-hero-mega { letter-spacing: -1px; }
    .sb-modal-actions { flex-direction: column; }
    .sb-table { font-size: 0.78rem; }
}