/* Login Page Specific Styles */

/* Login Page Body */
.login-page {
    background: var(--gradient-primary);
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

.login-page::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="loginPattern" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23loginPattern)"/></svg>');
    opacity: 0.3;
    z-index: 1;
}

/* Login Section */
.login-section {
    padding: 8rem 0 4rem;
    position: relative;
    z-index: 2;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

/* Login Container */
.login-container {
    background: var(--white);
    border-radius: 20px;
    box-shadow: var(--shadow-heavy);
    padding: 3rem;
    position: relative;
    overflow: hidden;
}

.login-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--gradient-gold);
}

/* Login Header */
.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-logo {
    height: 80px;
    width: auto;
    margin-bottom: 1rem;
}

.login-title {
    color: var(--primary-navy);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.login-subtitle {
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 0;
}

/* Login Tabs */
.login-tabs {
    border: none;
    margin-bottom: 2rem;
    background: var(--light-gray);
    border-radius: 10px;
    padding: 0.5rem;
}

.login-tabs .nav-link {
    border: none;
    border-radius: 8px;
    color: var(--text-light);
    font-weight: 500;
    padding: 0.75rem 1rem;
    transition: var(--transition);
    background: transparent;
    margin: 0 0.25rem;
}

.login-tabs .nav-link:hover {
    color: var(--primary-navy);
    background: rgba(255, 255, 255, 0.5);
}

.login-tabs .nav-link.active {
    background: var(--white);
    color: var(--primary-navy);
    box-shadow: var(--shadow-light);
}

.login-tabs .nav-link i {
    margin-right: 0.5rem;
}

/* Login Forms */
.login-form {
    margin-top: 1rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    font-weight: 600;
    color: var(--primary-navy);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.form-control {
    border: 2px solid #e9ecef;
    border-radius: 10px;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: var(--transition);
    background: var(--white);
}

.form-control:focus {
    border-color: var(--golden-yellow);
    box-shadow: 0 0 0 0.2rem rgba(255, 215, 0, 0.25);
    outline: none;
}

.form-control::placeholder {
    color: var(--text-light);
    font-style: italic;
}

/* Input Groups */
.input-group {
    position: relative;
}

.input-group-text {
    background: var(--light-gray);
    border: 2px solid #e9ecef;
    border-right: none;
    color: var(--text-light);
    border-radius: 10px 0 0 10px;
    padding: 0.75rem 1rem;
    transition: var(--transition);
}

.input-group .form-control {
    border-left: none;
    border-radius: 0 10px 10px 0;
}

.input-group .form-control:focus {
    border-left: 2px solid var(--golden-yellow);
}

.input-group .form-control:focus + .input-group-text {
    border-color: var(--golden-yellow);
    background: rgba(255, 215, 0, 0.1);
}

/* Password Toggle Button */
.btn-outline-secondary {
    border: 2px solid #e9ecef;
    border-left: none;
    color: var(--text-light);
    border-radius: 0 10px 10px 0;
    padding: 0.75rem 1rem;
    transition: var(--transition);
}

.btn-outline-secondary:hover {
    background: var(--light-gray);
    color: var(--primary-navy);
    border-color: var(--golden-yellow);
}

/* Form Check */
.form-check {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.form-check-input {
    margin-right: 0.5rem;
    margin-top: 0;
}

.form-check-input:checked {
    background-color: var(--golden-yellow);
    border-color: var(--golden-yellow);
}

.form-check-label {
    color: var(--text-light);
    font-size: 0.9rem;
    cursor: pointer;
}

/* Login Button */
.btn-login {
    width: 100%;
    padding: 0.75rem 2rem;
    font-weight: 600;
    border-radius: 10px;
    background: var(--gradient-gold);
    border: none;
    color: var(--primary-navy);
    transition: var(--transition);
    font-size: 1rem;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
    color: var(--primary-navy);
}

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

.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 transparent;
    border-top: 2px solid var(--primary-navy);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Login Footer */
.login-footer {
    margin-top: 2rem;
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #e9ecef;
}

.forgot-password-link {
    color: var(--primary-navy);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    display: inline-block;
    margin-bottom: 1.5rem;
}

.forgot-password-link:hover {
    color: var(--golden-yellow);
    text-decoration: underline;
}

.login-help {
    background: var(--light-gray);
    padding: 1.5rem;
    border-radius: 10px;
    margin-top: 1rem;
}

.login-help p {
    margin-bottom: 0.5rem;
    color: var(--text-light);
    font-size: 0.9rem;
}

.login-help p:first-child {
    font-weight: 600;
    color: var(--primary-navy);
    margin-bottom: 1rem;
}

.login-help i {
    color: var(--golden-yellow);
}

/* Modal Styles */
.modal-content {
    border: none;
    border-radius: 15px;
    box-shadow: var(--shadow-heavy);
}

.modal-header {
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 15px 15px 0 0;
    border-bottom: none;
}

.modal-title {
    font-weight: 600;
}

.btn-close {
    filter: invert(1);
}

.modal-body {
    padding: 2rem;
}

/* Form Validation */
.form-control.is-invalid {
    border-color: var(--bright-red);
    box-shadow: 0 0 0 0.2rem rgba(194, 30, 30, 0.25);
}

.form-control.is-valid {
    border-color: #28a745;
    box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.25);
}

.invalid-feedback {
    color: var(--bright-red);
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: block;
}

.valid-feedback {
    color: #28a745;
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: block;
}

/* Success/Error Messages */
.alert {
    border-radius: 10px;
    border: none;
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.alert-success {
    background: rgba(40, 167, 69, 0.1);
    color: #155724;
    border-left: 4px solid #28a745;
}

.alert-danger {
    background: rgba(220, 53, 69, 0.1);
    color: #721c24;
    border-left: 4px solid #dc3545;
}

.alert-info {
    background: rgba(23, 162, 184, 0.1);
    color: #0c5460;
    border-left: 4px solid #17a2b8;
}

/* Loading States */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid var(--white);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Responsive Design */
@media (max-width: 768px) {
    .login-section {
        padding: 6rem 0 2rem;
    }
    
    .login-container {
        padding: 2rem 1.5rem;
        margin: 0 1rem;
    }
    
    .login-title {
        font-size: 1.8rem;
    }
    
    .login-tabs {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .login-tabs .nav-link {
        margin: 0;
        text-align: center;
    }
    
    .login-help {
        padding: 1rem;
    }
}

@media (max-width: 576px) {
    .login-container {
        padding: 1.5rem 1rem;
    }
    
    .login-title {
        font-size: 1.6rem;
    }
    
    .login-subtitle {
        font-size: 1rem;
    }
    
    .form-control {
        padding: 0.65rem 0.85rem;
    }
    
    .input-group-text {
        padding: 0.65rem 0.85rem;
    }
    
    .btn-login {
        padding: 0.65rem 1.5rem;
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.6s ease;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.6s ease;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Tab Content Animation */
.tab-pane {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
}

.tab-pane.active {
    opacity: 1;
    transform: translateY(0);
}

/* Focus States for Accessibility */
.form-control:focus {
    outline: 2px solid var(--golden-yellow);
    outline-offset: 2px;
}

.btn:focus {
    outline: 2px solid var(--golden-yellow);
    outline-offset: 2px;
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .form-control {
        border-width: 3px;
    }
    
    .form-control:focus {
        border-color: var(--primary-navy);
        box-shadow: 0 0 0 3px var(--golden-yellow);
    }
    
    .btn-login {
        border: 2px solid var(--primary-navy);
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    .form-control,
    .btn,
    .nav-link {
        transition: none;
    }
    
    .btn:hover {
        transform: none;
    }
    
    .fade-in,
    .slide-in-left,
    .slide-in-right {
        transition: none;
    }
}

/* Print Styles */
@media print {
    .login-page {
        background: white;
    }
    
    .login-container {
        box-shadow: none;
        border: 1px solid #ddd;
    }
    
    .login-tabs,
    .login-footer {
        display: none;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    .login-container {
        background: #1a1a1a;
        color: var(--white);
    }
    
    .form-control {
        background: #2a2a2a;
        border-color: #444;
        color: var(--white);
    }
    
    .form-control:focus {
        background: #2a2a2a;
        border-color: var(--golden-yellow);
    }
    
    .input-group-text {
        background: #2a2a2a;
        border-color: #444;
        color: var(--white);
    }
    
    .login-help {
        background: #2a2a2a;
    }
}