/* ═══════════════════════════════════════════════════════════════
   CryptoGap – Light, Modern, Blue Flat UI
   ═══════════════════════════════════════════════════════════════ */

:root {
    --blue-50: #eff6ff;
    --blue-100: #dbeafe;
    --blue-200: #bfdbfe;
    --blue-300: #93c5fd;
    --blue-400: #60a5fa;
    --blue-500: #3b82f6;
    --blue-600: #2563eb;
    --blue-700: #1d4ed8;
    --blue-800: #1e40af;
    --blue-900: #1e3a8a;

    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    --green-500: #22c55e;
    --green-100: #dcfce7;
    --red-500: #ef4444;
    --red-100: #fee2e2;
    --yellow-500: #eab308;
    --yellow-100: #fef9c3;
    --orange-500: #f97316;

    --radius: 10px;
    --radius-sm: 6px;
    --radius-lg: 16px;
    --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.1);
    --transition: all 0.2s ease;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--gray-50);
    color: var(--gray-800);
    line-height: 1.6;
    min-height: 100vh;
}

a { color: var(--blue-600); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--blue-700); }

/* ── Typography ────────────────────────────────────────────── */

h1 { font-size: 2rem; font-weight: 700; color: var(--gray-900); }
h2 { font-size: 1.5rem; font-weight: 600; color: var(--gray-900); }
h3 { font-size: 1.2rem; font-weight: 600; color: var(--gray-800); }
.text-muted { color: var(--gray-500); }
.text-sm { font-size: 0.875rem; }

/* ── Layout ────────────────────────────────────────────────── */

.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: 520px; margin: 0 auto; padding: 0 24px; }
.container-wide { max-width: 800px; margin: 0 auto; padding: 0 24px; }

/* ── Demo Banner ──────────────────────────────────────────── */

.demo-banner {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: #78350f;
    text-align: center;
    padding: 8px 16px;
    font-size: 0.82rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    z-index: 200;
}

/* ── Navbar ────────────────────────────────────────────────── */

.navbar {
    background: linear-gradient(180deg, #f0f6ff 0%, #ffffff 100%);
    border-bottom: 1px solid var(--gray-200);
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    padding: 8px 24px;
    min-height: 64px;
    display: flex;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}
.navbar .container { position: relative; }
.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: 1100px;
}
.navbar-brand {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--blue-600);
    display: flex;
    align-items: center;
    gap: 8px;
}
.navbar-brand span { font-size: 1.4rem; }
.navbar-links { display: flex; align-items: center; gap: 16px; }
.navbar-links a {
    color: var(--gray-600);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}
.navbar-links a:hover { color: var(--blue-600); background: var(--blue-50); }
.navbar-links a.btn-primary { color: white; }
.navbar-links a.btn-primary:hover { color: white; }

/* ── Buttons ───────────────────────────────────────────────── */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    line-height: 1.4;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
    background: var(--blue-600);
    color: white;
    box-shadow: 0 2px 4px rgba(37, 99, 235, 0.2);
}
.btn-primary:hover { background: var(--blue-700); color: white; }

.btn-secondary {
    background: var(--gray-100);
    color: var(--gray-700);
    border: 1px solid var(--gray-200);
}
.btn-secondary:hover { background: var(--gray-200); color: var(--gray-700); }

.btn-success {
    background: var(--green-500);
    color: white;
}
.btn-success:hover { background: #16a34a; color: white; }

.btn-danger {
    background: var(--red-500);
    color: white;
}
.btn-danger:hover { background: #dc2626; color: white; }

.btn-outline {
    background: transparent;
    color: var(--blue-600);
    border: 2px solid var(--blue-600);
}
.btn-outline:hover { background: var(--blue-600); color: white; }

.btn-lg { padding: 14px 28px; font-size: 1rem; }
.btn-sm { padding: 6px 14px; font-size: 0.82rem; }
.btn-block { width: 100%; }
.btn-icon { padding: 10px; }

/* ── Cards ─────────────────────────────────────────────────── */

.card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
    overflow: hidden;
}
.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.card-body { padding: 24px; }
.card-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--gray-100);
    background: var(--gray-50);
}

/* ── Forms ──────────────────────────────────────────────────── */

.form-group { margin-bottom: 20px; }
.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-700);
}
.form-group .hint {
    font-size: 0.8rem;
    color: var(--gray-400);
    margin-top: 4px;
}
.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 16px; /* Prevents iOS zoom on focus */
    color: var(--gray-800);
    background: white;
    transition: var(--transition);
    font-family: inherit;
    -webkit-appearance: none;
}
.form-control:focus {
    outline: none;
    border-color: var(--blue-500);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}
.form-control::placeholder { color: var(--gray-400); }

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

textarea.form-control { resize: vertical; min-height: 80px; }

/* ── Alerts ────────────────────────────────────────────────── */

.alert {
    padding: 14px 18px;
    border-radius: var(--radius);
    font-size: 0.9rem;
    margin-bottom: 20px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}
.alert-error { background: var(--red-100); color: #991b1b; border: 1px solid #fecaca; }
.alert-success { background: var(--green-100); color: #166534; border: 1px solid #bbf7d0; }
.alert-warning { background: var(--yellow-100); color: #854d0e; border: 1px solid #fde68a; }
.alert-info { background: var(--blue-100); color: var(--blue-800); border: 1px solid var(--blue-200); }

/* ── Badge / Status ────────────────────────────────────────── */

.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}
.badge-pending { background: var(--yellow-100); color: #854d0e; }
.badge-paid { background: var(--green-100); color: #166534; }
.badge-cancelled { background: var(--gray-100); color: var(--gray-500); }
.badge-kyc { background: var(--blue-100); color: var(--blue-700); }
.badge-partial { background: #fef3c7; color: #92400e; }

/* ── Progress Bar ──────────────────────────────────────────── */

.progress {
    width: 100%;
    height: 12px;
    background: var(--gray-200);
    border-radius: 999px;
    overflow: hidden;
    margin: 12px 0;
}
.progress-bar {
    height: 100%;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--blue-500), var(--blue-400));
    transition: width 0.6s ease;
    position: relative;
}
.progress-bar.complete {
    background: linear-gradient(90deg, var(--green-500), #4ade80);
}

/* ── Table ─────────────────────────────────────────────────── */

.table-wrapper { overflow-x: auto; }
table {
    width: 100%;
    border-collapse: collapse;
}
table th {
    text-align: left;
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-500);
    padding: 12px 16px;
    border-bottom: 2px solid var(--gray-200);
}
table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--gray-100);
    font-size: 0.9rem;
}
table tbody tr:hover { background: var(--blue-50); }

/* ── Hero (Homepage) ───────────────────────────────────────── */

.hero {
    background: linear-gradient(135deg, var(--blue-600) 0%, var(--blue-800) 100%);
    color: white;
    padding: 80px 24px;
    text-align: center;
}
.hero h1 { color: white; font-size: 2.8rem; margin-bottom: 16px; }
.hero p { font-size: 1.15rem; opacity: 0.9; max-width: 600px; margin: 0 auto 32px; line-height: 1.7; }
.hero .btn-primary { background: white; color: var(--blue-700); font-size: 1rem; padding: 14px 32px; }
.hero .btn-primary:hover { background: var(--blue-50); }
.hero .btn-outline { border-color: white; color: white; margin-left: 12px; padding: 14px 32px; }
.hero .btn-outline:hover { background: rgba(255,255,255,0.15); }
.hero-buttons { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ── Features grid (Homepage) ──────────────────────────────── */

.features { padding: 80px 24px; }
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 40px;
}
.features-grid {
    justify-items: center;
}
.feature-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 32px;
    border: 1px solid var(--gray-200);
    transition: var(--transition);
    text-align: center;
}
.feature-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.feature-card .emoji { font-size: 2.2rem; margin-bottom: 16px; display: block; }
.feature-card h3 { margin-bottom: 8px; }
.feature-card p { color: var(--gray-500); font-size: 0.9rem; }

/* ── How It Works / Process Flow ──────────────────────────── */

.how-it-works {
    padding: 80px 24px;
    background: white;
}

.process-flow {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
    margin-top: 48px;
    position: relative;
}

.process-step {
    flex: 1;
    max-width: 220px;
    text-align: center;
    padding: 0 8px;
    position: relative;
}

.step-number {
    width: 32px;
    height: 32px;
    background: var(--blue-600);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 700;
    margin: 0 auto 12px;
}

.step-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
    display: block;
}

.process-step h3 {
    font-size: 1.05rem;
    margin-bottom: 10px;
    color: var(--gray-800);
}

.process-step > p {
    font-size: 0.85rem;
    color: var(--gray-500);
    line-height: 1.6;
}

.step-actor {
    margin-top: 14px;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--blue-600);
    background: var(--blue-50);
    display: inline-block;
    padding: 4px 12px;
    border-radius: 999px;
}

.process-arrow {
    display: flex;
    align-items: center;
    font-size: 1.4rem;
    color: var(--blue-400);
    padding-top: 60px;
    flex-shrink: 0;
}

.process-summary {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 56px;
    padding-top: 40px;
    border-top: 1px solid var(--gray-200);
}

.summary-item {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}

.summary-icon {
    font-size: 1.6rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.summary-item strong {
    display: block;
    font-size: 0.9rem;
    color: var(--gray-800);
    margin-bottom: 4px;
}

.summary-item p {
    font-size: 0.82rem;
    color: var(--gray-500);
    line-height: 1.5;
    margin: 0;
}

/* ── Coin selector grid ────────────────────────────────────── */

.coin-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 12px;
    margin: 20px 0;
}
.coin-card {
    background: white;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 16px 12px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}
.coin-card:hover { border-color: var(--blue-400); background: var(--blue-50); }
.coin-card.selected { border-color: var(--blue-600); background: var(--blue-50); box-shadow: 0 0 0 3px rgba(59,130,246,0.15); }
.coin-card .coin-emoji { font-size: 1.8rem; display: block; margin-bottom: 6px; }
.coin-card .coin-name { font-size: 0.82rem; font-weight: 600; color: var(--gray-700); }
.coin-card .coin-ticker { font-size: 0.72rem; color: var(--gray-400); text-transform: uppercase; }

/* ── Wallet display ────────────────────────────────────────── */

.wallet-display {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 24px;
    margin-top: 20px;
}
.wallet-address {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.85rem;
    word-break: break-all;
    background: white;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
.wallet-address code { flex: 1; }
.copy-btn {
    background: var(--blue-100);
    color: var(--blue-600);
    border: none;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    cursor: pointer;
    font-weight: 600;
    white-space: nowrap;
}
.copy-btn:hover { background: var(--blue-200); }

/* ── Loading spinner ───────────────────────────────────────── */

.spinner {
    display: inline-block;
    width: 24px;
    height: 24px;
    border: 3px solid var(--blue-200);
    border-top-color: var(--blue-600);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
.spinner-lg { width: 40px; height: 40px; border-width: 4px; }

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

.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 40px;
    color: var(--gray-500);
    font-size: 0.9rem;
}

/* ── KYC tabs ──────────────────────────────────────────────── */

.kyc-tabs {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--gray-200);
    margin-bottom: 24px;
}
.kyc-tab {
    padding: 12px 24px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--gray-500);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: var(--transition);
    background: none;
    border-top: none;
    border-left: none;
    border-right: none;
}
.kyc-tab:hover { color: var(--blue-600); }
.kyc-tab.active { color: var(--blue-600); border-bottom-color: var(--blue-600); }

.kyc-panel { display: none; }
.kyc-panel.active { display: block; }

/* ── Settings tabs ─────────────────────────────────────────── */

.settings-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 24px;
}
.settings-tab {
    padding: 10px 20px;
    border-radius: var(--radius) var(--radius) 0 0;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--gray-500);
    background: var(--gray-100);
    cursor: pointer;
    border: 1px solid var(--gray-200);
    border-bottom: none;
    transition: var(--transition);
}
.settings-tab:hover { color: var(--blue-600); }
.settings-tab.active { background: white; color: var(--blue-600); border-color: var(--gray-200); }

/* ── Storage provider selector ─────────────────────────────── */

.provider-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 24px;
}
.provider-card {
    background: white;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}
.provider-card:hover { border-color: var(--blue-400); }
.provider-card.selected { border-color: var(--blue-600); background: var(--blue-50); }
.provider-card .emoji { font-size: 2rem; display: block; margin-bottom: 8px; }
.provider-card .name { font-weight: 600; font-size: 0.9rem; }

/* ── Tip box ───────────────────────────────────────────────── */

.tip-box {
    background: var(--blue-50);
    border: 1px solid var(--blue-200);
    border-radius: var(--radius);
    padding: 14px 18px;
    font-size: 0.85rem;
    color: var(--blue-800);
    margin: 16px 0;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}
.tip-box .tip-icon { font-size: 1.1rem; flex-shrink: 0; }

/* ── Auth pages ────────────────────────────────────────────── */

.auth-page {
    min-height: calc(100vh - 64px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 24px;
}
.auth-card {
    width: 100%;
    max-width: 440px;
}
.auth-card .card-body { padding: 32px; }
.auth-card h2 { text-align: center; margin-bottom: 8px; }
.auth-card .subtitle { text-align: center; color: var(--gray-500); margin-bottom: 28px; font-size: 0.9rem; }

/* ── Dashboard layout ──────────────────────────────────────── */

.dash-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 32px 0 24px;
}
.dash-header h1 { display: flex; align-items: center; gap: 10px; }

.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}
.stat-card {
    background: white;
    border-radius: var(--radius);
    padding: 20px;
    border: 1px solid var(--gray-200);
}
.stat-card .stat-label { font-size: 0.8rem; color: var(--gray-500); font-weight: 500; text-transform: uppercase; letter-spacing: 0.03em; }
.stat-card .stat-value { font-size: 1.5rem; font-weight: 700; color: var(--gray-900); margin-top: 4px; }

/* ── Payment amount display ────────────────────────────────── */

.amount-display {
    text-align: center;
    padding: 24px;
    background: linear-gradient(135deg, var(--blue-50), var(--blue-100));
    border-radius: var(--radius);
    margin-bottom: 24px;
}
.amount-display .amount { font-size: 2.2rem; font-weight: 700; color: var(--blue-700); }
.amount-display .label { font-size: 0.85rem; color: var(--blue-500); margin-top: 4px; }

/* ── Footer ────────────────────────────────────────────────── */

.footer {
    text-align: center;
    padding: 40px 24px;
    color: var(--gray-400);
    font-size: 0.82rem;
    border-top: 1px solid var(--gray-200);
    box-shadow: 0 -2px 8px rgba(0,0,0,0.04);
    margin-top: 60px;
    background: linear-gradient(180deg, #ffffff 0%, #f0f6ff 100%);
}

/* ── Mobile hamburger menu ──────────────────────────────────── */

.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}
.hamburger:hover { background: var(--gray-100); }
.hamburger svg { display: block; }

/* ── Responsive ────────────────────────────────────────────── */

/* Tablet */
@media (max-width: 768px) {
    /* Navbar */
    .navbar { padding: 6px 16px; }
    .navbar .container { padding: 0; }
    .navbar-brand img { height: 40px !important; }
    .hamburger { display: block; }
    .navbar-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 12px 20px;
        border-bottom: 1px solid var(--gray-200);
        box-shadow: var(--shadow-md);
        gap: 4px;
        z-index: 99;
    }
    .navbar-links.open { display: flex; }
    .navbar-links a {
        padding: 12px 16px;
        font-size: 1rem;
        border-radius: var(--radius);
        width: 100%;
    }
    .navbar-links a:hover { background: var(--blue-50); }
    .navbar-links .btn-primary.btn-sm {
        width: 100%;
        padding: 12px 16px;
        text-align: center;
        margin: 4px 0;
    }

    /* Hero */
    .hero { padding: 48px 20px; }
    .hero h1 { font-size: 1.75rem; line-height: 1.3; }
    .hero p { font-size: 0.95rem; margin-bottom: 24px; }
    .hero img { height: 40px !important; }
    .hero .btn-primary,
    .hero .btn-outline {
        display: block;
        width: 100%;
        margin: 8px 0;
        padding: 14px 20px;
    }
    .hero .btn-outline { margin-left: 0; }

    /* How It Works */
    .how-it-works { padding: 48px 16px; }
    .process-flow {
        flex-direction: column;
        align-items: center;
        gap: 0;
    }
    .process-step {
        max-width: 100%;
        padding: 0 0 24px;
    }
    .process-arrow {
        padding-top: 0;
        padding-bottom: 12px;
        transform: rotate(90deg);
        font-size: 1.2rem;
    }
    .process-summary {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-top: 36px;
        padding-top: 28px;
    }

    /* Layout */
    .container, .container-narrow, .container-wide { padding: 0 16px; }

    /* Features */
    .features { padding: 48px 16px; }
    .features-grid { grid-template-columns: 1fr; gap: 16px; }
    .feature-card { padding: 24px; }

    /* Stats */
    .stats-row { grid-template-columns: 1fr 1fr; gap: 12px; }
    .stat-card { padding: 16px; }
    .stat-card .stat-value { font-size: 1.25rem; }

    /* Dashboard */
    .dash-header { flex-direction: column; align-items: flex-start; gap: 12px; margin: 24px 0 16px; }
    .dash-header .btn { width: 100%; }
    .dash-header h1 { font-size: 1.5rem; }

    /* Tables – card layout on mobile */
    table thead { display: none; }
    table, table tbody, table tr, table td {
        display: block;
        width: 100%;
    }
    table tr {
        padding: 16px;
        margin-bottom: 12px;
        border: 1px solid var(--gray-200);
        border-radius: var(--radius);
        background: white;
        position: relative;
    }
    table td {
        padding: 4px 0;
        border: none;
        font-size: 0.85rem;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    table td:first-child { padding-top: 0; }
    table td:last-child { padding-bottom: 0; }
    table tbody tr:hover { background: white; }

    /* Cards */
    .card-header { padding: 16px; flex-wrap: wrap; gap: 8px; }
    .card-body { padding: 16px; }
    .card-footer { padding: 12px 16px; }

    /* Buttons */
    .btn-lg { padding: 12px 20px; font-size: 0.95rem; }

    /* Coins */
    .coin-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .coin-card { padding: 12px 8px; }
    .coin-card .coin-emoji { font-size: 1.5rem; }
    .coin-card .coin-name { font-size: 0.75rem; }

    /* Provider grid */
    .provider-grid { grid-template-columns: 1fr; gap: 8px; }

    /* Wallet display */
    .wallet-display { padding: 16px; }
    .wallet-address {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
        padding: 12px;
    }
    .wallet-address code { font-size: 0.75rem; }
    .copy-btn { text-align: center; padding: 10px; }

    /* Amount display */
    .amount-display { padding: 20px 16px; }
    .amount-display .amount { font-size: 1.8rem; }

    /* Alerts */
    .alert { flex-direction: column; gap: 8px; font-size: 0.85rem; padding: 12px 14px; }
    .alert a { display: inline-block; margin-top: 4px; margin-left: 0 !important; }

    /* Auth */
    .auth-page { padding: 24px 16px; min-height: calc(100vh - 80px); }
    .auth-card .card-body { padding: 24px 20px; }

    /* KYC tabs */
    .kyc-tabs { overflow-x: auto; }
    .kyc-tab { padding: 10px 16px; font-size: 0.85rem; white-space: nowrap; }

    /* KYC review actions */
    .flex.gap-3 { flex-direction: column; }

    /* Tip box */
    .tip-box { font-size: 0.82rem; padding: 12px 14px; }

    /* Footer */
    .footer { padding: 24px 16px; margin-top: 40px; }
    .footer img { height: 18px !important; }

    /* Typography */
    h1 { font-size: 1.5rem; }
    h2 { font-size: 1.25rem; }
    h3 { font-size: 1.05rem; }
}

/* Small phones */
@media (max-width: 380px) {
    .hero h1 { font-size: 1.5rem; }
    .coin-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-row { grid-template-columns: 1fr; }
    .stat-card { padding: 14px; }
    .navbar-brand img { height: 36px !important; }
    .amount-display .amount { font-size: 1.5rem; }
    .badge { font-size: 0.68rem; padding: 3px 8px; }
}

/* ── Utility ───────────────────────────────────────────────── */

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }
.hidden { display: none; }
.text-center { text-align: center; }
.font-mono { font-family: 'JetBrains Mono', 'Fira Code', monospace; }