:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #eef2ff;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #3b82f6;
    --bg-body: #f8fafc;
    --bg-sidebar: #ffffff;
    --bg-card: #ffffff;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--bg-body);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

/* --- Login Page --- */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    padding: 20px;
}

.login-card {
    background: white;
    width: 100%;
    max-width: 420px;
    padding: 40px;
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.login-card h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-main);
}

.login-card p {
    color: var(--text-muted);
    margin-bottom: 32px;
}

.login-card .logo-icon {
    width: 64px;
    height: 64px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin: 0 auto 24px;
}

/* --- Sidebar & Layout --- */
.layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 50;
    transition: transform 0.3s ease;
}

.sidebar-header {
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-header .logo {
    width: 32px;
    height: 32px;
    background: var(--primary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 18px;
}

.sidebar-header span {
    font-weight: 700;
    font-size: 20px;
    letter-spacing: -0.5px;
}

.nav-menu {
    flex: 1;
    padding: 12px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: 12px;
    margin-bottom: 4px;
    cursor: pointer;
    transition: all 0.2s;
    font-weight: 500;
}

.nav-item:hover {
    background: var(--bg-body);
    color: var(--text-main);
}

.nav-item.active {
    background: var(--primary-light);
    color: var(--primary);
}

.nav-item i {
    font-size: 18px;
    width: 24px;
    text-align: center;
}

.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 32px;
    min-width: 0;
}

/* --- Components --- */
.header-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
}

.user-avatar {
    width: 40px;
    height: 40px;
    background: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-weight: 600;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--bg-card);
    padding: 24px;
    border-radius: 20px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: 20px;
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.stat-info h3 {
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 4px;
}

.stat-info p {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-main);
}

.card {
    background: var(--bg-card);
    border-radius: 20px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    margin-bottom: 24px;
}

.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
}

.card-header h2 {
    font-size: 18px;
    font-weight: 700;
}

.card-body {
    padding: 24px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-main);
}

input,
textarea,
select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 12px;
    font-family: inherit;
    font-size: 15px;
    transition: all 0.2s;
    background: #fff;
}

input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-light);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    font-size: 15px;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-main);
}

.btn-outline:hover {
    background: var(--bg-body);
}

.btn-danger {
    background: var(--danger);
    color: white;
}

.btn-danger:hover {
    background: #dc2626;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th {
    text-align: left;
    padding: 16px;
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 600;
    border-bottom: 1px solid var(--border);
}

.table td {
    padding: 16px;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}

.badge {
    padding: 4px 10px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 600;
}

.badge-success {
    background: #dcfce7;
    color: #15803d;
}

.badge-danger {
    background: #fee2e2;
    color: #b91c1c;
}

.badge-warning {
    background: #fef3c7;
    color: #b45309;
}

.badge-info {
    background: #e0f2fe;
    color: #0369a1;
}

/* --- Sub Navigation (Force Horizontal) --- */
.sub-nav {
    display: flex !important;
    flex-direction: row !important;
    gap: 8px;
    margin-bottom: 24px;
    background: #fff;
    padding: 6px;
    border-radius: 14px;
    border: 1px solid var(--border);
    width: fit-content;
}

.sub-nav-item {
    padding: 8px 20px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.sub-nav-item:hover {
    color: var(--text-main);
    background: var(--bg-body);
}

.sub-nav-item.active {
    background: var(--primary) !important;
    color: white !important;
}

/* --- Features Grid --- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.config-item-row {
    background: #fff;
    padding: 20px;
    border-radius: 16px;
    border: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.2s;
}

.config-item-row:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.config-item-info h4 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--text-main);
}

.config-item-info p {
    font-size: 12px;
    color: var(--text-muted);
    font-family: monospace;
}

/* --- Toggle Switch (Optimized) --- */
.switch {
    position: relative;
    display: inline-block;
    width: 48px;
    height: 26px;
    flex-shrink: 0;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #e2e8f0;
    transition: .3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 34px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

input:checked+.slider {
    background-color: var(--primary);
}

input:checked+.slider:before {
    transform: translateX(22px);
}

input:focus+.slider {
    box-shadow: 0 0 0 4px var(--primary-light);
}

/* --- Info Box --- */
.info-box {
    background: var(--primary-light);
    border-radius: 12px;
    padding: 16px;
    display: flex;
    gap: 12px;
    align-items: center;
    color: var(--primary-dark);
    font-size: 14px;
}

.info-box i {
    font-size: 18px;
}

/* --- Utilities --- */
.hidden {
    display: none !important;
}

/* --- Toast --- */
#toast-container {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 1000;
}

.toast {
    background: white;
    padding: 16px 24px;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 300px;
    animation: slideIn 0.3s ease forwards;
    border-left: 4px solid var(--primary);
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* --- Loading --- */
.loader {
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }
}

/* --- API Status Monitoring --- */
.api-status-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

.api-status-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    transition: all 0.2s;
}

.api-status-item:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}

.api-status-item.faulty {
    border-color: var(--danger);
    background: #fff1f2;
}

.api-status-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.api-url-info {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.api-url-info i {
    color: var(--primary);
    font-size: 18px;
}

.api-url-text {
    font-weight: 700;
    font-size: 15px;
    color: var(--text-main);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.api-checks-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.check-box {
    background: var(--bg-body);
    padding: 12px;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.check-label {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.check-result {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
}

.check-result.up {
    color: var(--success);
}

.check-result.down {
    color: var(--danger);
}

.check-result.warning {
    color: var(--warning);
}

.check-result.loading {
    color: var(--text-muted);
}

.latency-text {
    font-size: 12px;
    font-weight: 500;
    opacity: 0.8;
}

.faulty-badge {
    background: var(--danger);
    color: white;
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 700;
}