/* Login Page Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-container {
    width: 100%;
    max-width: 400px;
}

.login-card {
    background: white;
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    animation: slideUp 0.5s ease;
}

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

.login-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem;
    text-align: center;
}

.login-header .logo {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.login-header h1 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.login-header p {
    opacity: 0.8;
    font-size: 1rem;
}

.login-form {
    padding: 2rem;
}

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

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-wrapper i {
    position: absolute;
    left: 15px;
    color: #667eea;
    z-index: 1;
}

.input-wrapper input {
    width: 100%;
    padding: 15px 15px 15px 45px;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background-color: #f8f9fa;
}

.input-wrapper input:focus {
    border-color: #667eea;
    background-color: white;
    outline: none;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.toggle-password {
    position: absolute;
    right: 15px;
    background: none;
    border: none;
    color: #6c757d;
    cursor: pointer;
    font-size: 1rem;
    padding: 5px;
}

.toggle-password:hover {
    color: #667eea;
}

.checkbox-wrapper {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 0.9rem;
    color: #6c757d;
}

.checkbox-wrapper input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 18px;
    height: 18px;
    border: 2px solid #e1e5e9;
    border-radius: 3px;
    margin-right: 10px;
    position: relative;
    transition: all 0.3s ease;
}

.checkbox-wrapper input[type="checkbox"]:checked + .checkmark {
    background-color: #667eea;
    border-color: #667eea;
}

.checkbox-wrapper input[type="checkbox"]:checked + .checkmark::after {
    content: "✓";
    position: absolute;
    top: -2px;
    left: 2px;
    color: white;
    font-size: 14px;
    font-weight: bold;
}

.login-btn {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);
}

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

.error-message {
    background-color: #fee;
    color: #dc3545;
    padding: 12px;
    border-radius: 8px;
    border-left: 4px solid #dc3545;
    margin-top: 1rem;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: shake 0.5s ease;
}

@keyframes shake {
    0%, 20%, 40%, 60%, 80% {
        transform: translateX(0);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: translateX(-5px);
    }
}

.login-footer {
    background-color: #f8f9fa;
    padding: 1.5rem 2rem;
    border-top: 1px solid #e1e5e9;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #667eea;
    text-decoration: none;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    transition: color 0.3s ease;
}

.back-link:hover {
    color: #764ba2;
}

.login-help {
    background-color: #fff3cd;
    border: 1px solid #ffeaa7;
    border-radius: 8px;
    padding: 1rem;
    margin-top: 1rem;
}

.login-help h4 {
    color: #856404;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.login-help p {
    color: #856404;
    margin-bottom: 0.3rem;
    font-size: 0.85rem;
}

.login-help strong {
    color: #533605;
}

.login-help small {
    color: #dc3545;
    font-weight: 600;
    display: block;
    margin-top: 0.5rem;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
    background-color: white;
    margin: 10% auto;
    padding: 0;
    border-radius: 10px;
    width: 90%;
    max-width: 400px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.modal-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1.5rem;
    border-radius: 10px 10px 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
    font-family: 'Montserrat', sans-serif;
}

.close {
    color: white;
    font-size: 24px;
    font-weight: bold;
    cursor: pointer;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.close:hover {
    opacity: 1;
}

.modal form {
    padding: 1.5rem;
}

.modal .form-group {
    margin-bottom: 1rem;
}

.modal label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #333;
}

.modal input {
    width: 100%;
    padding: 10px 12px;
    border: 2px solid #e1e5e9;
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.modal input:focus {
    border-color: #667eea;
    outline: none;
}

.modal small {
    color: #6c757d;
    font-size: 0.8rem;
    margin-top: 0.3rem;
    display: block;
}

.modal-footer {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    padding-top: 1rem;
    border-top: 1px solid #e1e5e9;
}

.btn {
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: #667eea;
    color: white;
}

.btn-primary:hover {
    background-color: #5a6fd8;
}

.btn-secondary {
    background-color: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background-color: #545b62;
}

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

.login-btn.loading::after {
    content: "";
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-left: 10px;
}

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

/* Responsive */
@media (max-width: 480px) {
    .login-container {
        padding: 10px;
    }
    
    .login-card {
        border-radius: 10px;
    }
    
    .login-header, .login-form, .login-footer {
        padding: 1.5rem;
    }
    
    .modal-content {
        width: 95%;
        margin: 5% auto;
    }
}