/* ================================
   AUTH PAGES - MODERN TECH
   Ultra Premium Design v5.0
   ================================ */

.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-6);
    background: var(--bg-secondary);
}

.auth-card {
    max-width: 440px;
    width: 100%;
    background: var(--bg-elevated);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-2xl);
    padding: var(--space-10);
    box-shadow: var(--shadow-xl);
    animation: slideUp 0.5s var(--ease-out);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-logo {
    text-align: center;
    margin-bottom: var(--space-8);
}

.auth-logo i {
    font-size: 2.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
    margin-bottom: var(--space-3);
}

.auth-logo h1 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.auth-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.75rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--space-2);
    letter-spacing: -0.02em;
}

.auth-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: var(--space-8);
    font-size: 0.9375rem;
}

/* Alerts */
.alert {
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-6);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-weight: 500;
    font-size: 0.9375rem;
    animation: slideIn 0.3s var(--ease-out);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: var(--danger);
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: var(--success);
}

/* Forms */
.auth-form {
    margin-bottom: var(--space-6);
}

.form-group {
    margin-bottom: var(--space-5);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-2);
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.form-group label i {
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

.form-group input {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: 0.9375rem;
    font-weight: 400;
    transition: all 0.2s var(--ease-out);
    font-family: inherit;
}

.form-group input::placeholder {
    color: var(--text-tertiary);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group input:hover:not(:focus) {
    border-color: var(--border-secondary);
}

.form-group input.error {
    border-color: var(--danger);
}

.form-group input.success {
    border-color: var(--success);
}

.form-group small {
    display: block;
    margin-top: var(--space-2);
    color: var(--text-tertiary);
    font-size: 0.8125rem;
}

.password-match-indicator {
    display: none;
    margin-top: var(--space-2);
    font-size: 0.875rem;
    font-weight: 500;
    align-items: center;
    gap: var(--space-2);
}

.password-match-indicator.show {
    display: flex;
}

.password-match-indicator.match {
    color: var(--success);
}

.password-match-indicator.no-match {
    color: var(--danger);
}

.btn-full {
    width: 100%;
    padding: var(--space-4);
    font-size: 0.9375rem;
    margin-top: var(--space-2);
    font-weight: 600;
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* Auth Footer */
.auth-footer {
    text-align: center;
    padding-top: var(--space-6);
    border-top: 1px solid var(--border-primary);
}

.auth-footer p {
    color: var(--text-secondary);
    margin-bottom: var(--space-5);
    font-size: 0.9375rem;
}

.auth-footer a {
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
    transition: color 0.2s;
}

.auth-footer a:hover {
    color: var(--primary-dark);
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--text-tertiary);
    text-decoration: none;
    font-size: 0.875rem;
    margin-top: var(--space-3);
    transition: all 0.2s;
}

.back-link:hover {
    color: var(--text-primary);
    transform: translateX(-2px);
}

/* Responsive */
@media (max-width: 640px) {
    .auth-card {
        padding: var(--space-8) var(--space-6);
    }
    
    .auth-title {
        font-size: 1.5rem;
    }
}