/* ===================================
   Login Page CSS
   =================================== */

/* Login Container */
.login-container {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-800) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.login-card {
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    width: 100%;
    max-width: 900px;
    min-height: 600px;
    display: flex;
}

/* Brand Panel */
.brand-panel {
    background: linear-gradient(135deg, var(--secondary-800) 0%, var(--secondary-900) 100%);
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: white;
    flex: 1;
    position: relative;
    overflow: hidden;
}

.brand-panel::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.1) 0%, transparent 70%);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(120deg); }
    66% { transform: translate(-20px, 20px) rotate(240deg); }
}

.brand-logo {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    font-size: 2rem;
    color: white;
    box-shadow: var(--shadow-lg);
    position: relative;
    z-index: 1;
}

.brand-title {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.brand-subtitle {
    font-size: 1.125rem;
    color: var(--secondary-300);
    margin-bottom: 2rem;
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

.brand-features {
    list-style: none;
    padding: 0;
    margin: 0;
    position: relative;
    z-index: 1;
}

.brand-features li {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    font-size: 0.95rem;
    color: var(--secondary-300);
}

.brand-features li i {
    color: var(--primary-400);
    margin-right: 0.75rem;
    width: 20px;
}

/* Login Form Panel */
.login-panel {
    padding: 3rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--secondary-800);
    margin-bottom: 0.5rem;
}

.login-subtitle {
    color: var(--secondary-600);
    font-size: 0.95rem;
}

/* Form Styles */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-weight: 600;
    color: var(--secondary-700);
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.form-control {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--secondary-200);
    border-radius: var(--border-radius);
    font-size: 0.95rem;
    transition: all 0.2s ease;
    background: white;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
    transform: translateY(-1px);
}

.form-control.is-invalid {
    border-color: var(--danger-500);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

/* Login Button */
.btn-login {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-bottom: 1.5rem;
}

.btn-login:hover {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-login:active {
    transform: translateY(0);
}

.btn-login:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Remember Me */
.form-check {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
}

.form-check-input {
    margin-right: 0.5rem;
    accent-color: var(--primary-500);
}

.form-check-label {
    font-size: 0.875rem;
    color: var(--secondary-600);
    cursor: pointer;
}

/* Flash Messages */
.alert {
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
    border: none;
    font-size: 0.875rem;
}

.alert-danger {
    background: var(--danger-50);
    color: var(--danger-800);
    border-left: 4px solid var(--danger-500);
}

.alert-success {
    background: var(--success-50);
    color: var(--success-800);
    border-left: 4px solid var(--success-500);
}

.alert-info {
    background: var(--primary-50);
    color: var(--primary-800);
    border-left: 4px solid var(--primary-500);
}

/* Footer */
.login-footer {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid var(--secondary-100);
}

.login-footer p {
    color: var(--secondary-500);
    font-size: 0.875rem;
    margin: 0;
}

.security-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--success-600);
    font-size: 0.75rem;
    font-weight: 600;
    margin-top: 0.5rem;
}

.security-badge i {
    color: var(--success-500);
}

/* Loading State */
.btn-login.loading {
    position: relative;
    color: transparent;
}

.btn-login.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .login-card {
        flex-direction: column;
        max-width: 400px;
    }
    
    .brand-panel {
        padding: 2rem;
        min-height: 200px;
    }
    
    .brand-title {
        font-size: 1.5rem;
    }
    
    .brand-subtitle {
        font-size: 1rem;
    }
    
    .brand-features {
        display: none;
    }
    
    .login-panel {
        padding: 2rem;
    }
    
    .login-title {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .login-container {
        padding: 1rem;
    }
    
    .brand-panel,
    .login-panel {
        padding: 1.5rem;
    }
}