/* ============================================
   LOGIN & AUTH SCREENS
   ============================================ */

.auth-container {
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    position: relative;
    overflow: hidden;
}

.auth-container::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 50%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 70% 50%, rgba(99, 102, 241, 0.06) 0%, transparent 50%);
    animation: aurora 20s ease-in-out infinite;
}

@keyframes aurora {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(1deg); }
    66% { transform: translate(-20px, 20px) rotate(-1deg); }
}

.auth-card {
    position: relative;
    width: 100%;
    max-width: 420px;
    background: rgba(255, 255, 255, 0.97);
    border-radius: var(--radius-xl);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.3);
    padding: var(--space-10);
    backdrop-filter: blur(20px);
}

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

.auth-logo-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--color-primary), #6366f1);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-4);
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.3);
}

.auth-logo-icon svg {
    width: 28px;
    height: 28px;
    color: white;
}

.auth-logo h1 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    letter-spacing: -0.5px;
}

.auth-logo p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-top: var(--space-1);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.auth-input-wrapper {
    position: relative;
}

.auth-input-wrapper .form-input {
    padding-left: var(--space-10);
}

.auth-input-icon {
    position: absolute;
    left: var(--space-3);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    width: 20px;
    height: 20px;
    pointer-events: none;
}

.auth-input-toggle {
    position: absolute;
    right: var(--space-3);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    width: 20px;
    height: 20px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
    display: flex;
    align-items: center;
}

.auth-input-toggle:hover {
    color: var(--color-text);
}

.auth-submit {
    margin-top: var(--space-2);
}

.auth-error {
    display: none;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    background: var(--color-error-light);
    color: #991b1b;
    font-size: var(--font-size-sm);
    border-radius: var(--radius-md);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.auth-error.visible {
    display: flex;
}

.auth-footer {
    text-align: center;
    margin-top: var(--space-6);
    padding-top: var(--space-5);
    border-top: 1px solid var(--color-border-light);
}

.auth-footer p {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

/* First login - change password */
.auth-change-pw-info {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-4);
    background: var(--color-info-light);
    border-radius: var(--radius-md);
    border: 1px solid rgba(6, 182, 212, 0.2);
}

.auth-change-pw-info svg {
    width: 20px;
    height: 20px;
    color: #0891b2;
    flex-shrink: 0;
    margin-top: 2px;
}

.auth-change-pw-info p {
    font-size: var(--font-size-sm);
    color: #155e75;
    line-height: var(--line-height-normal);
}

/* Responsive */
@media (max-width: 480px) {
    .auth-card {
        padding: var(--space-6) var(--space-5);
        border-radius: var(--radius-lg);
    }

    .auth-logo h1 {
        font-size: var(--font-size-xl);
    }
}