/* Login Page Styles */
.login-body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 20px;
    box-sizing: border-box;
}

.login-container {
    width: 100%;
    max-width: 450px;
    margin: 0 auto;
}

.login-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: none;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.login-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.login-header {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    text-align: center;
    padding: 30px 20px;
    margin-bottom: 0;
}

.login-header i {
    font-size: 3rem;
    margin-bottom: 15px;
    opacity: 0.9;
}

.login-header h3 {
    margin: 0;
    font-weight: 600;
    font-size: 1.5rem;
}

.login-header p {
    margin: 5px 0 0 0;
    opacity: 0.8;
    font-size: 0.9rem;
}

.login-body-content {
    padding: 40px 30px;
}

.form-floating {
    margin-bottom: 20px;
}

.form-floating > .form-control {
    border: 2px solid #e9ecef;
    border-radius: 12px;
    padding: 20px 15px 8px 15px;
    height: auto;
    font-size: 16px;
    transition: all 0.3s ease;
}

.form-floating > .form-control:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 0.25rem rgba(102, 126, 234, 0.15);
    transform: translateY(-2px);
}

.form-floating > label {
    padding: 15px 15px 0 15px;
    color: #6c757d;
    font-weight: 500;
}

.btn-login {
    background: linear-gradient(45deg, #667eea, #764ba2);
    border: none;
    border-radius: 12px;
    padding: 15px 30px;
    font-weight: 600;
    font-size: 16px;
    width: 100%;
    color: white;
    transition: all 0.3s ease;
    text-transform: none;
}

.btn-login:hover {
    background: linear-gradient(45deg, #5a6fd8, #6a4190);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
    color: white;
}

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

.form-check {
    margin: 20px 0;
}

.form-check-input:checked {
    background-color: #667eea;
    border-color: #667eea;
}

.form-check-input:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 0.25rem rgba(102, 126, 234, 0.15);
}

.divider {
    text-align: center;
    margin: 30px 0;
    position: relative;
}

.divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: #dee2e6;
}

.divider span {
    background: white;
    padding: 0 20px;
    color: #6c757d;
    font-size: 14px;
}

.btn-register {
    background: transparent;
    border: 2px solid #667eea;
    color: #667eea;
    border-radius: 12px;
    padding: 12px 30px;
    font-weight: 600;
    width: 100%;
    transition: all 0.3s ease;
}

.btn-register:hover {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.2);
}

.copyright {
    text-align: center;
    margin-top: 30px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
}

.alert {
    border-radius: 12px;
    border: none;
    margin-bottom: 20px;
}

.alert-success {
    background: linear-gradient(45deg, #28a745, #20c997);
    color: white;
}

.alert-danger {
    background: linear-gradient(45deg, #dc3545, #fd7e14);
    color: white;
}

.text-danger {
    font-size: 14px;
    margin-top: 5px;
}

/* Enhanced form validation */
.form-control.is-valid {
    border-color: #28a745;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3e%3cpath fill='%2328a745' d='m2.3 6.73.94-.94 1.38 1.38 3.02-3.02.94.94L2.3 10.27z'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 15px center;
    background-size: 16px;
}

.form-control.is-invalid {
    border-color: #dc3545;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%23dc3545'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath d='m5.8 4.6 1.4 1.4 1.4-1.4M8.6 7.4 7.2 6 5.8 7.4'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 15px center;
    background-size: 16px;
}

/* Ripple effect */
.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: scale(0);
    animation: ripple-animation 0.6s linear;
    pointer-events: none;
}

@keyframes ripple-animation {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

.btn {
    position: relative;
    overflow: hidden;
}

/* Accessibility improvements */
.btn:focus {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

.form-control:focus {
    outline: none;
}

/* Animation */
.login-card {
    animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Loading state */
.btn-login:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.spinner-border-sm {
    width: 1rem;
    height: 1rem;
}

/* Responsive Design */
@media (max-width: 576px) {
    .login-body {
        padding: 10px;
    }
    
    .login-body-content {
        padding: 30px 20px;
    }
    
    .login-header {
        padding: 25px 15px;
    }
    
    .login-header h3 {
        font-size: 1.3rem;
    }
    
    .login-header i {
        font-size: 2.5rem;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .login-card {
        background: rgba(33, 37, 41, 0.95);
        color: #fff;
    }
    
    .form-control {
        background-color: rgba(255, 255, 255, 0.1);
        border-color: rgba(255, 255, 255, 0.2);
        color: #fff;
    }
    
    .form-control::placeholder {
        color: rgba(255, 255, 255, 0.6);
    }
    
    .divider span {
        background: rgba(33, 37, 41, 0.95);
        color: rgba(255, 255, 255, 0.6);
    }
}

/* Print styles */
@media print {
    .login-body {
        background: white !important;
    }
    
    .login-card {
        box-shadow: none !important;
        border: 1px solid #ccc !important;
    }
    
    .login-header {
        background: #f8f9fa !important;
        color: #333 !important;
    }
}