/* ============================================================
   AUTH — Login, Register, OTP, Password Reset pages
   Dark themed, centered card, mobile-app feel
   ============================================================ */

body.auth-page {
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
    background: var(--bg-body);
    position: relative;
    overflow: hidden;
}

/* Subtle background pattern */
body.auth-page::before {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(
        circle at 30% 20%,
        rgba(245, 158, 11, 0.06) 0%,
        transparent 50%
    ),
    radial-gradient(
        circle at 70% 80%,
        rgba(99, 102, 241, 0.04) 0%,
        transparent 50%
    );
    pointer-events: none;
    z-index: 0;
}

/* ── Auth Container ────────────────────────────── */
.auth-container {
    width: 100%;
    max-width: 400px;
    position: relative;
    z-index: 1;
    animation: slideUp 0.5s var(--ease-spring);
}

/* ── Auth Header (Brand) ───────────────────────── */
.auth-header {
    text-align: center;
    margin-bottom: var(--space-xl);
    /* padding-top: var(--space-lg); */
}

.auth-logo {
    width: 140px;
    height: 140px;
    border-radius: var(--radius-xl);
    background: linear-gradient(180deg, #000000, #a0a0a0);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-md);
    font-size: 1.75rem;
    color: var(--text-inverse);
    box-shadow: 0 4px 20px rgba(245, 158, 11, 0.3);
}

.auth-header h1 {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: var(--weight-bold);
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
    letter-spacing: 0.02em;
}

.auth-header p {
    font-size: var(--text-sm);
    color: var(--text-tertiary);
}

/* ── Auth Card ─────────────────────────────────── */
.auth-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    box-shadow: var(--shadow-lg);
}

/* ── Auth-specific form overrides ──────────────── */
.auth-card .form-control {
    padding: 0.9rem 1rem;
    padding-left: 2.75rem;
    background: var(--bg-elevated);
    border-color: var(--border-input);
    font-size: var(--text-base);
}

.auth-card .form-group label {
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.auth-card .btn-primary {
    padding: 0.9rem;
    font-size: var(--text-md);
    border-radius: var(--radius-md);
    width: 100%;
    margin-top: var(--space-sm);
}

/* ── Back Button ───────────────────────────────── */
.auth-back {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--text-secondary);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    margin-bottom: var(--space-lg);
    transition: color var(--transition-fast);
    text-decoration: none;
}

.auth-back:hover {
    color: var(--brand-primary);
}

.auth-back i {
    font-size: var(--text-xs);
}

/* ── Links Row ─────────────────────────────────── */
.auth-links {
    display: flex;
    justify-content: space-between;
    margin-top: var(--space-lg);
    font-size: var(--text-sm);
}

.auth-links a {
    color: var(--brand-primary);
    font-weight: var(--weight-medium);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.auth-links a:hover {
    color: var(--brand-primary-hover);
    text-decoration: underline;
}

/* ── Checkbox (Remember Me) ────────────────────── */
.auth-checkbox {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.auth-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--brand-primary);
    border-radius: 4px;
    cursor: pointer;
}

.auth-checkbox label {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    cursor: pointer;
    font-weight: var(--weight-normal);
}

/* ── OTP Input ─────────────────────────────────── */
.otp-container {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.otp-digit {
    width: 56px;
    height: 56px;
    text-align: center;
    font-size: var(--text-2xl);
    font-weight: var(--weight-bold);
    background: var(--bg-elevated);
    border: 2px solid var(--border-input);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    -moz-appearance: textfield;
}

.otp-digit::-webkit-inner-spin-button,
.otp-digit::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.otp-digit:focus {
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 3px var(--brand-primary-light);
    outline: none;
}

/* ── User Info Banner ──────────────────────────── */
.auth-user-info {
    background: var(--bg-elevated);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    text-align: center;
    margin-bottom: var(--space-lg);
    font-weight: var(--weight-medium);
    color: var(--text-secondary);
    font-size: var(--text-base);
}

/* ── Install App Button ────────────────────────── */
.install-btn {
    /* display: none; */
    position: fixed;
    bottom: var(--space-lg);
    right: var(--space-md);
    padding: 0.625rem 1.25rem;
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-hover));
    color: var(--text-inverse);
    border: none;
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: var(--weight-semi);
    box-shadow: var(--shadow-lg);
    z-index: 999;
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.install-btn:hover {
    transform: scale(1.05);
}

/* ── Registration message ──────────────────────── */
.registration-message {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    margin-top: var(--space-md);
    display: none;
}

.registration-message.success {
    background: var(--success-bg);
    color: var(--success);
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.registration-message.error {
    background: var(--danger-bg);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* ── Responsive: Tablet ────────────────────────── */
@media (min-width: 600px) {
    .auth-card {
        max-width: 440px;
        padding: var(--space-2xl);
    }
}

/* ── Responsive: Mobile Small ──────────────────── */
@media (max-width: 480px) {
    body.auth-page {
        padding: var(--space-sm);
        justify-content: flex-start;
        padding-top: 10vh;
    }

    .auth-card {
        padding: var(--space-lg);
        border-radius: var(--radius-lg);
    }

    .auth-header {
        margin-bottom: var(--space-lg);
    }

    .auth-links {
        flex-direction: column;
        gap: var(--space-sm);
        align-items: center;
    }

    .otp-digit {
        width: 48px;
        height: 48px;
        font-size: var(--text-xl);
    }
}