/* ═══════════════════════════════════════════════════════
   BILLING PLATFORM - FabricAI Style
   Colors: White, Beige, Cream
   ═══════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&display=swap');

:root {
    --color-white: #FFFFFF;
    --color-cream: #FAF8F5;
    --color-beige: #F5F0E8;
    --color-beige-dark: #E8E0D5;
    --primary: #1A1A1A;
    --primary-dark: #000000;
    --primary-light: #333333;
    --success: #2E7D32;
    --warning: #ED6C02;
    --danger: #C62828;
    --info: #0288D1;
    --bg: var(--color-cream);
    --bg-card: var(--color-white);
    --text: #2C2C2C;
    --text-light: #6B6B6B;
    --border: var(--color-beige-dark);
    --shadow: 0 2px 12px rgba(0,0,0,0.06);
    --shadow-hover: 0 8px 24px rgba(0,0,0,0.1);
    --radius: 8px;
    --radius-lg: 12px;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    min-height: 100vh;
    font-size: 16px;
}

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

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 2rem;
    background: rgba(250, 248, 245, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.03em;
    color: var(--text);
    cursor: pointer;
    text-decoration: none;
}

.nav-brand:hover { opacity: 0.8; }

.brand-icon { font-size: 1.5rem; }

.nav-links {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-user {
    color: var(--text-light);
    font-size: 0.9rem;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
    letter-spacing: -0.01em;
}

.btn-primary {
    background: var(--primary);
    color: white;
}
.btn-primary:hover { background: var(--primary-light); transform: translateY(-1px); }

.btn-outline {
    background: transparent;
    color: var(--text);
    border: 1.5px solid var(--border);
}
.btn-outline:hover { background: var(--color-beige); border-color: var(--text); }

.btn-success {
    background: var(--success);
    color: white;
}
.btn-success:hover { opacity: 0.9; }

.btn-danger {
    background: var(--danger);
    color: white;
}
.btn-danger:hover { opacity: 0.9; }

.btn-warning {
    background: var(--warning);
    color: var(--text);
}

.btn-sm { padding: 0.3rem 0.75rem; font-size: 0.8rem; }
.btn-lg { padding: 0.75rem 2rem; font-size: 1.05rem; }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }

/* ─── Hero ────────────────────────────────────────────── */

.hero {
    max-width: 1200px;
    margin: 0 auto;
    padding: 5rem 2rem;
    text-align: center;
}

.hero h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1.5rem;
    color: var(--text);
    font-weight: 500;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 4rem;
}

.hero-visual {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

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

.card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 2rem;
    transition: all 0.3s ease;
    border: 1px solid var(--border);
}
.card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }

.feature-card {
    text-align: center;
    padding: 2.5rem;
    background: var(--color-beige);
    border: none;
}
.feature-icon { font-size: 2.5rem; margin-bottom: 1rem; }
.feature-card h3 { margin-bottom: 0.75rem; font-weight: 500; }
.feature-card p { color: var(--text-light); font-size: 0.95rem; line-height: 1.6; }

/* ─── Section ─────────────────────────────────────────── */

.section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.section-title {
    font-size: 1.8rem;
    text-align: center;
    margin-bottom: 2rem;
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.service-card {
    border-left: 4px solid var(--text);
    background: var(--bg-card);
}
.service-card .price {
    font-size: 2rem;
    font-weight: 500;
    color: var(--text);
}
.service-card .price small {
    font-size: 1rem;
    color: var(--text-light);
    font-weight: 400;
}
.service-card .service-name {
    font-size: 1.2rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}
.service-card .service-desc {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    line-height: 1.6;
}

/* ─── Auth Pages ──────────────────────────────────────── */

.auth-page {
    display: flex;
    justify-content: center;
    padding: 3rem 1rem;
}

.auth-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 3rem;
    width: 100%;
    max-width: 650px;
    border: 1px solid var(--border);
}

.auth-card-small { max-width: 420px; }

.auth-card h2 {
    text-align: center;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.auth-subtitle {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.auth-footer {
    text-align: center;
    margin-top: 2rem;
    font-size: 0.9rem;
    color: var(--text-light);
}
.auth-footer a { color: var(--text); font-weight: 500; }
.auth-footer a:hover { text-decoration: underline; }

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

.form-group {
    margin-bottom: 1rem;
    flex: 1;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 0.3rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: var(--font);
    transition: all 0.3s ease;
    background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--text);
    box-shadow: 0 0 0 3px rgba(26, 26, 26, 0.1);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

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

.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.alert-error {
    background: #FFF5F5;
    color: var(--danger);
    border: 1px solid #FED7D7;
}

.alert-success {
    background: #F0FFF4;
    color: var(--success);
    border: 1px solid #C6F6D5;
}

.alert-info {
    background: var(--color-beige);
    color: var(--text);
    border: 1px solid var(--border);
}

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

.dashboard {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.dashboard-header {
    margin-bottom: 2rem;
}

.dashboard-header h1 { font-size: 1.8rem; }

.dash-section {
    margin-bottom: 2.5rem;
}

.dash-section h2 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border);
}

/* ─── Subscription cards ──────────────────────────────── */

.subs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.sub-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 2rem;
    border-left: 4px solid var(--border);
    border: 1px solid var(--border);
    border-left: 4px solid var(--border);
}

.sub-card.status-active { border-left-color: var(--success); }
.sub-card.status-pending { border-left-color: var(--warning); }
.sub-card.status-past_due { border-left-color: var(--danger); }
.sub-card.status-expired { border-left-color: var(--danger); }
.sub-card.status-canceled { border-left-color: var(--text-light); }
.sub-card.status-trialing { border-left-color: var(--info); }

.sub-card .sub-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.sub-card .sub-service-name {
    font-size: 1.1rem;
    font-weight: 500;
}

.status-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.badge-active { background: #E8F5E9; color: var(--success); }
.badge-pending { background: #FFF3E0; color: var(--warning); }
.badge-past_due { background: #FFEBEE; color: var(--danger); }
.badge-expired { background: #FFEBEE; color: var(--danger); }
.badge-canceled { background: var(--color-beige); color: var(--text-light); }
.badge-trialing { background: #E3F2FD; color: var(--info); }

.sub-card .sub-details {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 1rem;
}

.sub-card .sub-details p { margin-bottom: 0.3rem; }

.sub-card .sub-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* ─── Tables ──────────────────────────────────────────── */

.table-wrapper { overflow-x: auto; }

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

th, td {
    padding: 1rem 1.25rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}

th {
    background: var(--color-beige);
    font-weight: 500;
    color: var(--text);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

tr:hover { background: var(--color-beige); }

/* ─── Stats ───────────────────────────────────────────── */

.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.stat-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.25rem;
    text-align: center;
}

.stat-card .stat-value {
    font-size: 2rem;
    font-weight: 500;
    color: var(--text);
}

.stat-card .stat-label {
    font-size: 0.8rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 0.25rem;
}

/* ─── Tabs ────────────────────────────────────────────── */

.tab-nav {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 2rem;
}

.tab-btn {
    padding: 1rem 1.5rem;
    background: none;
    border: none;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-light);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: all 0.3s ease;
}

.tab-btn.active {
    color: var(--text);
    border-bottom-color: var(--text);
}

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

.tab-content { display: none; }
.tab-content.active { display: block; }

/* ─── Modal ───────────────────────────────────────────── */

.modal {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 2rem;
    width: 95%;
    max-width: 550px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-hover);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.modal-header h3 { font-size: 1.2rem; }

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
}

/* ─── Profile ─────────────────────────────────────────── */

.profile-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 1.5rem;
}

.profile-row {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 0.5rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border);
}

.profile-label {
    font-weight: 600;
    color: var(--text-light);
    font-size: 0.85rem;
}

/* ─── Result pages ────────────────────────────────────── */

.result-page {
    display: flex;
    justify-content: center;
    padding: 5rem 1rem;
}

.result-card {
    text-align: center;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 3rem;
    max-width: 500px;
}

.result-icon { font-size: 4rem; margin-bottom: 1rem; }
.result-card h1 { margin-bottom: 1rem; }
.result-card p { color: var(--text-light); margin-bottom: 0.5rem; }
.result-card .btn { margin-top: 1.5rem; }

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

.footer {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--text-light);
    font-size: 0.85rem;
    margin-top: 4rem;
    border-top: 1px solid var(--border);
    background: var(--color-beige);
}
.footer a { color: var(--text); text-decoration: none; font-weight: 500; }
.footer a:hover { text-decoration: underline; }

/* ─── Utilities ───────────────────────────────────────── */

.loading { color: var(--text-light); font-style: italic; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-light);
}
.empty-state .empty-icon { font-size: 3rem; margin-bottom: 1rem; }

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

@media (max-width: 768px) {
    .navbar { padding: 0.75rem 1rem; }
    .hero { padding: 2rem 1rem; }
    .hero h1 { font-size: 1.8rem; }
    .hero-actions { flex-direction: column; }
    .form-row { grid-template-columns: 1fr; }
    .dashboard { padding: 1rem; }
    .stats-row { grid-template-columns: 1fr 1fr; }
    .tab-nav { overflow-x: auto; }
    .tab-btn { padding: 0.5rem 1rem; font-size: 0.85rem; }
    .subs-grid { grid-template-columns: 1fr; }
    .modal-content { width: 98%; padding: 1.5rem; }
}