/* Login Page Styles */

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

.login-container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 20px 60px rgba(0,0,0,0.2);
    border: 1px solid rgba(255, 255, 255, 0.2);
    width: 100%;
    max-width: 400px;
    position: relative;
    overflow: hidden;
}

.login-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
}

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

.login-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2.5rem;
    color: white;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.login-title {
    font-size: 2rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 0.5rem;
}

.login-subtitle {
    color: #666;
    font-size: 1rem;
    margin-bottom: 0;
}

.login-form {
    margin-bottom: 2rem;
}

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

.form-label {
    font-weight: 500;
    color: #555;
    margin-bottom: 0.5rem;
    display: block;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.8);
}

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

.form-control::placeholder {
    color: #999;
}

.input-group {
    position: relative;
}

.input-group .form-control {
    padding-right: 3rem;
}

.input-group-text {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #999;
    cursor: pointer;
    z-index: 10;
}

.input-group-text:hover {
    color: #667eea;
}

.btn-login {
    width: 100%;
    padding: 0.75rem 1rem;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border: none;
    border-radius: 10px;
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

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

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

.btn-login .spinner {
    display: none;
    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;
    margin-right: 0.5rem;
}

.btn-login.loading .spinner {
    display: inline-block;
}

.btn-login.loading .btn-text {
    opacity: 0.7;
}

.login-footer {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid #e9ecef;
}

.login-footer p {
    color: #666;
    margin-bottom: 0.5rem;
}

.login-footer a {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
}

.login-footer a:hover {
    text-decoration: underline;
}

/* Alert styles */
.alert {
    padding: 0.75rem 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    border: none;
}

.alert-danger {
    background: rgba(231, 76, 60, 0.1);
    color: #e74c3c;
    border-left: 4px solid #e74c3c;
}

.alert-success {
    background: rgba(39, 174, 96, 0.1);
    color: #27ae60;
    border-left: 4px solid #27ae60;
}

.alert-warning {
    background: rgba(243, 156, 18, 0.1);
    color: #f39c12;
    border-left: 4px solid #f39c12;
}

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

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

.login-container {
    animation: fadeInUp 0.6s ease-out;
}

/* Responsive Design */
@media (max-width: 480px) {
    .login-container {
        margin: 1rem;
        padding: 2rem;
    }
    
    .login-title {
        font-size: 1.5rem;
    }
    
    .login-icon {
        width: 60px;
        height: 60px;
        font-size: 2rem;
    }
}

/* Loading state */
.login-container.loading {
    pointer-events: none;
}

.login-container.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

/* Focus states */
.form-control:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.btn-login:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.3);
}

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

.form-check-input {
    width: 18px;
    height: 18px;
    margin-right: 0.5rem;
    accent-color: #667eea;
}

.form-check-label {
    color: #666;
    font-size: 0.9rem;
    cursor: pointer;
}

/* Password strength indicator */
.password-strength {
    margin-top: 0.5rem;
    height: 4px;
    background: #e9ecef;
    border-radius: 2px;
    overflow: hidden;
}

.password-strength-bar {
    height: 100%;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.password-strength.weak .password-strength-bar {
    background: #e74c3c;
    width: 25%;
}

.password-strength.medium .password-strength-bar {
    background: #f39c12;
    width: 50%;
}

.password-strength.strong .password-strength-bar {
    background: #27ae60;
    width: 75%;
}

.password-strength.very-strong .password-strength-bar {
    background: #27ae60;
    width: 100%;
}