/* ============================================
   LOGIN PAGE
   ============================================ */

.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: var(--spacing-lg);
    position: relative;
    overflow: hidden;
}

.login-container::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: drift 60s linear infinite;
}

@keyframes drift {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(50px, 50px);
    }
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-2xl);
    position: relative;
    z-index: 1;
    animation: slideUp 0.5s ease-out;
}

.login-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.login-logo {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
}

.login-logo i {
    font-size: 2.5rem;
    color: white;
}

.login-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.login-subtitle {
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.input-group {
    position: relative;
}

.input-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 1.125rem;
    pointer-events: none;
}

.login-form .form-control {
    padding-left: 3rem;
    height: 48px;
    font-size: 0.9375rem;
}

.login-form .btn-primary {
    height: 48px;
    font-size: 1rem;
    font-weight: 600;
    margin-top: var(--spacing-sm);
}

.login-footer {
    margin-top: var(--spacing-xl);
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.login-footer a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
}

.login-footer a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* Loading Overlay */
.login-loading {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-lg);
    z-index: 10;
}

/* Responsive */
@media (max-width: 480px) {
    .login-card {
        padding: var(--spacing-xl);
    }

    .login-title {
        font-size: 1.5rem;
    }
}