/* ============================================================
   Auth pages styling (login, register, forgot, reset)
   ============================================================ */

.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-6) var(--space-4);
    position: relative;
    overflow-x: hidden;
}

.auth-bg {
    position: fixed;
    inset: 0;
    background: var(--gradient-hero);
    z-index: -2;
}
.auth-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 15% 25%, rgba(108, 92, 231, 0.25), transparent 50%),
        radial-gradient(circle at 85% 75%, rgba(34, 211, 238, 0.18), transparent 50%);
}
.auth-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(108, 92, 231, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(108, 92, 231, 0.04) 1px, transparent 1px);
    background-size: 48px 48px;
}

.auth-container {
    width: 100%;
    max-width: 460px;
    position: relative;
    z-index: 1;
}

.auth-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-6);
}
.auth-brand {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.03em;
}
.auth-brand:hover { color: var(--text-primary); }

.auth-card {
    background: var(--bg-card);
    border-radius: var(--r-lg);
    padding: var(--space-8);
    box-shadow: var(--shadow-lg), 0 0 60px rgba(108, 92, 231, 0.1);
}

.auth-title {
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: var(--space-2);
    letter-spacing: -0.02em;
}
.auth-subtitle {
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
    font-size: 0.95rem;
}

.auth-footer {
    margin-top: var(--space-6);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}
.auth-footer a { color: var(--text-muted); margin: 0 var(--space-2); }
.auth-footer a:hover { color: var(--purple-3); }

.auth-divider {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin: var(--space-5) 0;
    color: var(--text-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

.auth-switch {
    text-align: center;
    margin-top: var(--space-5);
    padding-top: var(--space-5);
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.9rem;
}
.auth-switch a { color: var(--purple-3); font-weight: 600; }

.form-input-group {
    position: relative;
}
.form-input-group .form-control {
    padding-left: 46px;
}
.form-input-group .input-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}
.form-input-group .input-icon svg { width: 18px; height: 18px; }
.form-input-group .toggle-visibility {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
}
.form-input-group .toggle-visibility:hover { color: var(--purple-3); }

.remember-forgot {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-5);
    font-size: 0.88rem;
}
.remember-forgot a { color: var(--purple-3); }

.password-strength {
    margin-top: var(--space-2);
    height: 4px;
    background: var(--bg-input);
    border-radius: var(--r-full);
    overflow: hidden;
}
.password-strength-bar {
    height: 100%;
    width: 0%;
    transition: width 0.3s, background 0.3s;
    border-radius: var(--r-full);
}
.password-strength-bar.weak { background: var(--red); width: 33%; }
.password-strength-bar.medium { background: var(--orange); width: 66%; }
.password-strength-bar.strong { background: var(--green); width: 100%; }
.password-strength-text {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 4px;
}