/* ── Auth Pages ── */
:root {
    --navy-900: #0a1628;
    --navy-800: #0f2035;
    --navy-700: #132a42;
    --navy-600: #1a3a5c;
    --slate-400: #94a3b8;
    --slate-300: #cbd5e1;
    --slate-200: #e2e8f0;
    --slate-100: #f1f5f9;
    --slate-50: #f8fafc;
    --teal: #0d9488;
    --teal-dark: #0b7a70;
    --amber: #D4A843;
    --amber-dark: #b8922e;
    --red-500: #ef4444;
    --green-500: #22c55e;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

body {
    font-family: var(--font-sans);
    background: var(--slate-50);
    color: var(--navy-900);
    min-height: 100vh;
}

/* ── Navbar ── */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding: 0 24px;
    height: 64px;
}

.container { max-width: 1200px; margin: 0 auto; }

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: #fff;
}

.logo-icon { color: var(--teal); display: flex; }
.logo-text { font-size: 1.15rem; font-weight: 700; letter-spacing: -0.3px; }
.nav-tier-badge { font-size: 0.6rem; font-weight: 800; padding: 2px 8px; border-radius: 4px; letter-spacing: 1px; }
.nav-tier-free { background: #94a3b8; color: #1e293b; }
.nav-tier-starter { background: linear-gradient(135deg, #99f6e4, #5eead4); color: #134e4a; }
.nav-tier-pro { background: linear-gradient(135deg, #fef3c7, #fde68a); color: #92400e; }

.nav-right { display: flex; align-items: center; gap: 24px; }

.nav-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--slate-400);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.2s;
}
.nav-link:hover { color: #fff; }
.nav-link svg { flex-shrink: 0; }

/* ── Auth Page Layout ── */
.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 96px 24px 48px;
}

.auth-card {
    background: #fff;
    border: 1px solid var(--slate-200);
    border-radius: 16px;
    padding: 40px;
    width: 100%;
    max-width: 440px;
    box-shadow: 0 4px 24px rgba(10, 22, 40, 0.06);
}

.auth-card h1 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--navy-900);
    margin-bottom: 4px;
}

.auth-subtitle {
    font-size: 0.9rem;
    color: var(--slate-400);
    margin-bottom: 24px;
}

/* ── Forms ── */
.auth-form { display: flex; flex-direction: column; gap: 16px; }

.form-group { display: flex; flex-direction: column; gap: 4px; }

.form-group label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--navy-800);
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

.form-group .required { color: var(--red-500); }

.form-group input {
    padding: 10px 14px;
    border: 1px solid var(--slate-200);
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: var(--font-sans);
    color: var(--navy-900);
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
}

.form-group input:focus {
    border-color: var(--teal);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.12);
}

.form-group input::placeholder { color: var(--slate-300); }

.form-row-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

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

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--slate-400);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--teal);
}

/* ── Buttons ── */
.auth-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    font-family: var(--font-sans);
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
    text-decoration: none;
    text-align: center;
    background: var(--teal);
    color: #fff;
}

.auth-btn:hover { background: var(--teal-dark); }
.auth-btn:active { transform: scale(0.98); }

.upgrade-btn { background: var(--amber); color: var(--navy-900); }
.upgrade-btn:hover { background: var(--amber-dark); }

.pro-btn { background: var(--amber); color: var(--navy-900); }
.pro-btn:hover { background: var(--amber-dark); }
.billing-btn { background: transparent; border: 1px solid var(--amber); color: var(--amber); }
.billing-btn:hover { background: rgba(212,168,67,0.1); }

.dev-btn {
    background: #7c3aed;
    color: #fff;
    font-size: 0.85rem;
    padding: 10px 20px;
}
.dev-btn:hover { background: #6d28d9; }

.cancel-btn {
    background: transparent;
    border: 1px solid var(--red-500);
    color: var(--red-500);
}
.cancel-btn:hover { background: #fef2f2; }

/* ── Nav active state ── */
.nav-active { color: #fff !important; }

/* ── Subscription info ── */
.sub-status { font-weight: 600; }
.sub-status-active { color: var(--green-500); }
.sub-status-past_due, .sub-status-unpaid { color: var(--red-500); }
.sub-status-canceled, .sub-status-incomplete_expired { color: var(--slate-400); }
.sub-canceling { color: #d97706; font-weight: 500; }

.account-billing-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 16px;
    padding-top: 4px;
}

/* ── Messages ── */
.auth-error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #991b1b;
    border-radius: 8px;
    padding: 12px 16px;
    font-size: 0.85rem;
    margin-bottom: 16px;
}

.auth-flash {
    border-radius: 8px;
    padding: 12px 16px;
    font-size: 0.85rem;
    margin-bottom: 16px;
}

.auth-flash-success {
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    color: #166534;
}

.auth-flash-info {
    background: #f0f9ff;
    border: 1px solid #bae6fd;
    color: #075985;
}

/* ── Footer Link ── */
.auth-footer {
    text-align: center;
    margin-top: 20px;
    font-size: 0.85rem;
    color: var(--slate-400);
}

.auth-footer a {
    color: var(--teal);
    text-decoration: none;
    font-weight: 600;
}
.auth-footer a:hover { text-decoration: underline; }

/* ── Account Page ── */
.account-card { max-width: 520px; }

.account-section {
    margin-top: 28px;
    padding-top: 24px;
    border-top: 1px solid var(--slate-200);
}

.account-section h2 {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #64748b;
    margin-bottom: 16px;
}

.account-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 0;
}

.account-label {
    font-size: 0.9rem;
    color: #64748b;
}

.account-value {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--navy-900);
}

.tier-badge {
    display: inline-block;
    padding: 3px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.tier-free {
    background: var(--slate-100);
    color: var(--slate-400);
}

.tier-starter {
    background: linear-gradient(135deg, #ccfbf1, #99f6e4);
    color: #0f766e;
}

.tier-pro {
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    color: #92400e;
}

.tier-enterprise {
    background: linear-gradient(135deg, #dbeafe, #bfdbfe);
    color: #1e40af;
}

.plan-features {
    margin: 12px 0 4px;
    padding: 12px 16px;
    background: rgba(255,255,255,0.03);
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.06);
}

.plan-features ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.plan-features li {
    font-size: 0.85rem;
    color: #64748b;
    padding-left: 18px;
    position: relative;
}

.plan-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #14b8a6;
    font-weight: 700;
    font-size: 0.8rem;
}

.account-cta {
    margin-top: 16px;
    padding: 16px;
    border-radius: 10px;
    background: var(--slate-50);
    border: 1px solid var(--slate-200);
}

.account-cta p {
    font-size: 0.85rem;
    color: #64748b;
    margin-bottom: 12px;
    line-height: 1.5;
}

.account-cta .auth-btn { width: 100%; }
.account-cta-buttons { display: flex; flex-direction: column; gap: 8px; }
.upgrade-btn-secondary {
    background: transparent;
    color: var(--slate-500, #475569);
    border: 1px solid var(--slate-300, #cbd5e1);
}
.upgrade-btn-secondary:hover { color: var(--navy-900, #0f172a); border-color: var(--navy-900, #0f172a); }

.btn-tier-starter { background: linear-gradient(135deg, #99f6e4, #5eead4); color: #134e4a; font-weight: 700; }
.btn-tier-starter:hover { background: linear-gradient(135deg, #5eead4, #2dd4bf); }
.btn-tier-pro { background: var(--amber); color: var(--navy-900); font-weight: 700; }
.btn-tier-pro:hover { background: var(--amber-dark); }

.pro-active {
    background: #fffbeb;
    border-color: #fde68a;
}

/* ── Assessment History Table ── */
.account-card { max-width: 680px; }

.assessment-history {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8rem;
    margin-top: 4px;
}

.assessment-history th {
    text-align: left;
    font-weight: 600;
    color: var(--slate-400, #94a3b8);
    padding: 6px 8px 8px;
    border-bottom: 1px solid var(--border, #e2e8f0);
    white-space: nowrap;
}

.assessment-history td {
    padding: 9px 8px;
    border-bottom: 1px solid var(--border, #f1f5f9);
    color: var(--slate-700, #334155);
    vertical-align: top;
}

.assessment-history tr:last-child td { border-bottom: none; }

.assessment-id-cell {
    font-family: monospace;
    font-size: 0.75rem;
    color: var(--slate-400, #94a3b8);
    white-space: nowrap;
}

.link-view {
    color: var(--teal, #0d9488);
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
}
.link-view:hover { text-decoration: underline; }

/* ── Dev Section ── */
.dev-section {
    border-top-color: #7c3aed;
    border-top-width: 2px;
}

.dev-note {
    font-size: 0.8rem;
    color: #7c3aed;
    margin-bottom: 12px;
    font-style: italic;
}

/* ── Responsive ── */
@media (max-width: 480px) {
    .auth-card { padding: 28px 20px; }
    .form-row-2col { grid-template-columns: 1fr; }
    .nav-right { gap: 16px; }
    .nav-link { font-size: 0.8rem; }
}

.checkout-success-banner {
    display: flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, rgba(20,184,166,0.15), rgba(20,184,166,0.05));
    border: 1px solid rgba(20,184,166,0.4);
    border-radius: 10px;
    padding: 14px 18px;
    margin-bottom: 24px;
    color: #065f46;
    font-size: 0.9rem;
}
.checkout-success-banner svg { color: #14b8a6; flex-shrink: 0; }