body {
    background-color: #f8f9fa;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.container {
    max-width: 600px;
}

.card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    background-color: #fff;
}

.card-header {
    background-color: #fff;
    border-bottom: 1px solid #e0e0e0;
    padding: 15px;
    text-align: center;
}

.card-header h4 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
    color: #000;
}

.card-body {
    padding: 20px;
}

.form-label {
    font-size: 0.9rem;
    font-weight: 500;
    color: #333;
    margin-bottom: 8px;
}

.form-control {
    border: 1px solid #d0d0d0;
    border-radius: 6px;
    padding: 10px;
    font-size: 0.9rem;
    color: #333;
    transition: border-color 0.3s ease;
}

.form-control:focus {
    border-color: #666;
    box-shadow: none;
    outline: none;
}

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

.btn-dark {
    background-color: #000;
    border: none;
    border-radius: 6px;
    padding: 10px;
    font-size: 0.9rem;
    font-weight: 500;
    color: #fff;
    transition: background-color 0.3s ease;
}

.btn-dark:hover {
    background-color: #333;
}

.d-grid {
    margin-top: 20px;
}

.text-center a {
    color: #333;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
}

.text-center a:hover {
    color: #000;
}

.container-notification-log {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    width: 300px;
}

.alert {
    margin: 20px 0 0;
    padding: 10px;
    font-size: 0.85rem;
    border-radius: 6px;
}

.alert-success {
    background-color: #e6f4ea;
    border-color: #c3e6cb;
    color: #155724;
}

.alert-danger {
    background-color: #f8d7da;
    border-color: #f5c6cb;
    color: #721c24;
}

.alert .btn-close {
    padding: 15px;
}

/* Logo styling */
.logo {
    max-width: 120px;
    height: auto;
    margin-bottom: 20px;
}

/* Header text styling */
.header p {
    color: #666;
    margin-bottom: 20px;
}

/* Password strength indicator */
.password-strength {
    margin-top: 10px;
}

.password-strength .progress {
    height: 5px;
    background-color: #e9ecef;
    border-radius: 3px;
}

.password-strength .progress-bar {
    transition: width 0.3s ease;
}

.password-requirements {
    margin-top: 10px;
}

.password-requirements ul {
    margin: 5px 0 0 0;
    padding-left: 0;
}

.password-requirements li {
    margin-bottom: 3px;
    font-size: 0.8rem;
}

.password-requirements li i {
    width: 12px;
    margin-right: 8px;
}

/* Position relative for password toggle buttons */
.position-relative {
    position: relative;
}

.position-absolute {
    position: absolute;
}

/* Password toggle button styling */
.btn-outline-secondary {
    background: none;
    border: none;
    color: #6c757d;
    padding: 0.375rem 0.5rem;
}

.btn-outline-secondary:hover {
    color: #495057;
    background: none;
    border: none;
}

.btn-outline-secondary:focus {
    box-shadow: none;
    border: none;
}

/* Spinner styling */
.spinner-border-sm {
    width: 1rem;
    height: 1rem;
}

/* Notification container */
.container-notification {
    margin-bottom: 20px;
}

@media (max-width: 576px) {
    .container {
        padding: 15px;
    }

    .card {
        width: 100%;
    }

    .form-control {
        width: 100%;
    }

    .logo {
        max-width: 100px;
    }
}