:root {
    --fa-primary: #1e3a8a; /* Navy Blue 900 */
    --fa-primary-hover: #1e40af; /* Navy Blue 800 */
    --fa-background: #f8fafc;
    --fa-sidebar-bg: #0f172a;
    --fa-sidebar-hover: #1e293b;
    --fa-sidebar-text: #94a3b8;
    --fa-sidebar-text-active: #ffffff;
    --fa-text: #334155;
    --fa-text-light: #64748b;
    --fa-border: #e2e8f0;
    --fa-card-bg: #ffffff;
    --fa-radius: 8px;
    --fa-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --fa-font: 'Inter', sans-serif;
}

.llb-fa-wrapper {
    font-family: var(--fa-font);
    color: var(--fa-text);
    background-color: var(--fa-background);
    border-radius: var(--fa-radius);
    overflow: hidden;
    box-shadow: var(--fa-shadow);
    max-width: 1200px;
    margin: 20px auto;
    font-size: 14px;
}

.llb-fa-wrapper * {
    box-sizing: border-box;
}

/* Login Form Styles */
.llb-fa-login-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 400px;
    padding: 40px 20px;
}

.llb-fa-login-card {
    background: var(--fa-card-bg);
    padding: 30px 40px;
    border-radius: var(--fa-radius);
    box-shadow: var(--fa-shadow);
    width: 100%;
    max-width: 400px;
}

.llb-fa-login-header {
    text-align: center;
    margin-bottom: 24px;
}

.llb-fa-login-header h2 {
    margin: 0 0 8px 0;
    color: var(--fa-primary);
    font-size: 24px;
    font-weight: 700;
}

.llb-fa-login-header p {
    margin: 0;
    color: var(--fa-text-light);
    font-size: 14px;
}

.llb-fa-form-group {
    margin-bottom: 16px;
}

.llb-fa-form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: var(--fa-text);
}

.llb-fa-form-group input[type="text"],
.llb-fa-form-group input[type="password"] {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--fa-border);
    border-radius: var(--fa-radius);
    font-family: var(--fa-font);
    font-size: 14px;
    transition: border-color 0.2s;
}

.llb-fa-form-group input[type="text"]:focus,
.llb-fa-form-group input[type="password"]:focus {
    outline: none;
    border-color: var(--fa-primary);
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
}

.llb-fa-form-group-checkbox {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.llb-fa-form-group-checkbox input {
    margin: 0 8px 0 0;
}

.llb-fa-form-group-checkbox label {
    margin: 0;
    font-size: 14px;
    color: var(--fa-text);
}

.llb-fa-btn {
    display: block;
    width: 100%;
    padding: 10px 16px;
    border: none;
    border-radius: var(--fa-radius);
    font-family: var(--fa-font);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.llb-fa-btn-primary {
    background-color: var(--fa-primary);
    color: #ffffff;
}

.llb-fa-btn-primary:hover {
    background-color: var(--fa-primary-hover);
}

.llb-fa-form-message {
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 16px;
    font-size: 13px;
}
.llb-fa-form-message.success { background: #d1fae5; color: #065f46; }
.llb-fa-form-message.error { background: #fee2e2; color: #991b1b; }

/* Dashboard Layout */
.llb-fa-layout {
    display: flex;
    min-height: 600px;
}

/* Sidebar */
.llb-fa-sidebar {
    width: 250px;
    background-color: var(--fa-sidebar-bg);
    color: var(--fa-sidebar-text);
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
}

.llb-fa-sidebar-header {
    padding: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.llb-fa-sidebar-header h3 {
    margin: 0;
    color: #ffffff;
    font-size: 18px;
    letter-spacing: 0.5px;
}

.llb-fa-nav {
    padding: 20px 0;
    flex-grow: 1;
}

.llb-fa-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.llb-fa-nav li {
    margin: 0;
}

.llb-fa-nav-item {
    display: block;
    padding: 12px 20px;
    color: var(--fa-sidebar-text);
    text-decoration: none;
    transition: background-color 0.2s, color 0.2s;
    font-weight: 500;
}

.llb-fa-nav-item:hover,
.llb-fa-nav-item.active {
    background-color: var(--fa-sidebar-hover);
    color: var(--fa-sidebar-text-active);
}

.llb-fa-nav-external {
    margin-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #60a5fa;
}

/* Main Content */
.llb-fa-main {
    flex-grow: 1;
    background-color: var(--fa-background);
    position: relative;
    overflow-x: hidden;
}

.llb-fa-section {
    display: none;
    padding: 30px;
}

.llb-fa-section.active {
    display: block;
    animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

.llb-fa-section-header {
    margin-bottom: 24px;
}

.llb-fa-section-header h2 {
    margin: 0;
    font-size: 22px;
    color: var(--fa-primary);
}

/* Stats Grid */
.llb-fa-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.llb-fa-stat-card {
    background: var(--fa-card-bg);
    border: 1px solid var(--fa-border);
    border-radius: var(--fa-radius);
    padding: 20px;
    display: flex;
    align-items: center;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.llb-fa-stat-icon {
    font-size: 32px;
    margin-right: 16px;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #eef2ff;
    color: var(--fa-primary);
    border-radius: 50%;
}

.llb-fa-stat-info {
    display: flex;
    flex-direction: column;
}

.llb-fa-stat-label {
    font-size: 13px;
    color: var(--fa-text-light);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.llb-fa-stat-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--fa-text);
}

/* Tables */
.llb-fa-table-wrapper {
    background: var(--fa-card-bg);
    border: 1px solid var(--fa-border);
    border-radius: var(--fa-radius);
    overflow-x: auto;
}

.llb-fa-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.llb-fa-table th,
.llb-fa-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--fa-border);
}

.llb-fa-table th {
    background-color: #f8fafc;
    color: var(--fa-text-light);
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
}

.llb-fa-table tbody tr:hover {
    background-color: #f1f5f9;
}

.llb-fa-table tbody tr:last-child td {
    border-bottom: none;
}

/* Badges */
.llb-fa-badge {
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.llb-fa-badge-active { background: #d1fae5; color: #065f46; }
.llb-fa-badge-inactive { background: #fee2e2; color: #991b1b; }
.llb-fa-badge-graduated { background: #dbeafe; color: #1e40af; }
.llb-fa-badge-draft { background: #f3f4f6; color: #374151; }

.llb-fa-text-center {
    text-align: center;
}

@media (max-width: 768px) {
    .llb-fa-layout {
        flex-direction: column;
    }
    .llb-fa-sidebar {
        width: 100%;
    }
    .llb-fa-nav ul {
        display: flex;
        overflow-x: auto;
    }
    .llb-fa-nav-item {
        white-space: nowrap;
        border-bottom: 2px solid transparent;
    }
    .llb-fa-nav-item.active {
        border-bottom-color: var(--fa-primary);
    }
}