/* Tigos Hub - Clean Professional Design */

:root {
    --bg-primary: #09090b;
    --bg-secondary: #0f0f11;
    --bg-elevated: #18181b;
    --bg-surface: #1f1f23;
    --bg-hover: #27272a;
    --text-primary: #fafafa;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --accent-muted: rgba(59, 130, 246, 0.1);
    --success: #22c55e;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #06b6d4;
    --border: #27272a;
    --border-light: #3f3f46;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
    --sidebar-width: 240px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

.app-container { display: flex; min-height: 100vh; }

.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    position: fixed;
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.sidebar::-webkit-scrollbar { width: 6px; }
.sidebar::-webkit-scrollbar-track { background: transparent; }
.sidebar::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

.logo { padding: 20px; border-bottom: 1px solid var(--border); }
.logo h1 { font-size: 16px; font-weight: 600; margin-bottom: 2px; }
.logo span { font-size: 12px; color: var(--text-muted); }

.nav-section { padding: 16px 12px 8px; }
.nav-section-title { font-size: 11px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 8px; }
.nav-menu { padding: 8px; flex: 1; }

.nav-item {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    color: var(--text-secondary);
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 450;
    transition: background 0.15s, color 0.15s;
    margin-bottom: 2px;
}

.nav-item:hover { background: var(--bg-hover); color: var(--text-primary); }
.nav-item.active { background: var(--accent-muted); color: var(--accent); }
.nav-item i { width: 20px; margin-right: 10px; font-size: 14px; opacity: 0.7; }
.nav-item.active i { opacity: 1; }

.main-content { flex: 1; margin-left: var(--sidebar-width); padding: 32px; min-height: 100vh; }

.page-header { margin-bottom: 32px; }
.page-title { font-size: 24px; font-weight: 600; margin-bottom: 4px; }
.page-subtitle { font-size: 14px; color: var(--text-secondary); }

.card {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 24px;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}

.card-title { font-size: 14px; font-weight: 600; }
.card-body { padding: 20px; }

.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 24px; }

.stat-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px;
}

.stat-value { font-size: 28px; font-weight: 600; margin-bottom: 4px; }
.stat-label { font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
    border-radius: 6px;
    font-weight: 500;
    font-size: 13px;
    cursor: pointer;
    border: none;
    gap: 6px;
    transition: background 0.15s, transform 0.1s;
}

.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--accent); color: white; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-secondary { background: var(--bg-surface); color: var(--text-primary); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--bg-hover); border-color: var(--border-light); }
.btn-danger { background: var(--danger); color: white; }
.btn-danger:hover { background: #dc2626; }
.btn-success { background: var(--success); color: white; }
.btn-success:hover { background: #16a34a; }
.btn-warning { background: var(--warning); color: #000; }
.btn-warning:hover { background: #d97706; }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-ghost { background: transparent; color: var(--text-secondary); }
.btn-ghost:hover { background: var(--bg-hover); color: var(--text-primary); }

.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 13px; font-weight: 500; color: var(--text-secondary); margin-bottom: 6px; }

.form-input {
    width: 100%;
    padding: 8px 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 14px;
    transition: border-color 0.15s;
}

.form-input:focus { outline: none; border-color: var(--accent); }
.form-input::placeholder { color: var(--text-muted); }
textarea.form-input { resize: vertical; min-height: 120px; font-family: 'SF Mono', Consolas, monospace; font-size: 13px; }

.table-container { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border); }
th { font-size: 12px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; background: var(--bg-surface); }
td { font-size: 14px; }
tbody tr:hover { background: var(--bg-hover); }
tbody tr:last-child td { border-bottom: none; }

.tabs { display: flex; gap: 0; border-bottom: 1px solid var(--border); margin-bottom: 20px; }
.tab { padding: 12px 16px; background: transparent; border: none; color: var(--text-muted); font-weight: 500; font-size: 14px; cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px; transition: color 0.15s; }
.tab:hover { color: var(--text-primary); }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.tab-content { display: none; }
.tab-content.active { display: block; }

.modal { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0, 0, 0, 0.75); display: none; align-items: center; justify-content: center; z-index: 1000; }
.modal.active { display: flex; }
.modal-content { background: var(--bg-elevated); border: 1px solid var(--border); border-radius: 12px; width: 90%; max-width: 560px; max-height: 80vh; overflow-y: auto; box-shadow: var(--shadow-lg); }
.modal-header { display: flex; justify-content: space-between; align-items: center; padding: 20px; border-bottom: 1px solid var(--border); }
.modal-title { font-size: 16px; font-weight: 600; }
.modal-close { background: none; border: none; color: var(--text-muted); font-size: 20px; cursor: pointer; padding: 4px; }
.modal-close:hover { color: var(--text-primary); }
.modal-body { padding: 20px; }
.modal-footer { padding: 16px 20px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 8px; }

.toast-container { position: fixed; top: 20px; right: 20px; z-index: 2000; }
.toast { background: var(--bg-elevated); border: 1px solid var(--border); border-radius: 8px; padding: 12px 16px; margin-bottom: 8px; display: flex; align-items: center; gap: 10px; box-shadow: var(--shadow-md); animation: slideIn 0.2s ease; min-width: 280px; font-size: 14px; }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
.toast.success { border-left: 3px solid var(--success); }
.toast.error { border-left: 3px solid var(--danger); }
.toast.warning { border-left: 3px solid var(--warning); }
.toast.info { border-left: 3px solid var(--accent); }

.json-editor { background: var(--bg-primary); border: 1px solid var(--border); border-radius: 6px; padding: 16px; font-family: 'SF Mono', Consolas, monospace; font-size: 13px; line-height: 1.6; color: var(--text-primary); white-space: pre-wrap; word-wrap: break-word; overflow-x: auto; max-height: 400px; overflow-y: auto; }

.tree-view { padding-left: 20px; }
.tree-item { padding: 2px 0; }
.tree-key { color: var(--accent); font-weight: 500; }
.tree-string { color: #a5d6a7; }
.tree-number { color: #90caf9; }
.tree-boolean { color: #ffcc80; }
.tree-null { color: var(--text-muted); }

.spinner { width: 32px; height: 32px; border: 2px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin 0.8s linear infinite; margin: 20px auto; }
@keyframes spin { to { transform: rotate(360deg); } }
.btn.loading { position: relative; pointer-events: none; opacity: 0.7; }
.btn.loading::after { content: ''; position: absolute; width: 14px; height: 14px; border: 2px solid transparent; border-top-color: currentColor; border-radius: 50%; animation: spin 0.6s linear infinite; right: 8px; }

.status-indicator { display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px; border-radius: 6px; font-size: 12px; font-weight: 500; }
.status-connected { background: rgba(34, 197, 94, 0.1); color: var(--success); }
.status-disconnected { background: rgba(239, 68, 68, 0.1); color: var(--danger); }
.status-dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

.search-box { position: relative; }
.search-box i { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--text-muted); font-size: 14px; }
.search-box input { padding-left: 36px; }

.badge { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 11px; font-weight: 600; }
.badge-success { background: rgba(34, 197, 94, 0.1); color: var(--success); }
.badge-danger { background: rgba(239, 68, 68, 0.1); color: var(--danger); }
.badge-warning { background: rgba(245, 158, 11, 0.1); color: var(--warning); }
.badge-info { background: var(--accent-muted); color: var(--accent); }

.rate-limit-bar { height: 4px; background: var(--bg-primary); border-radius: 2px; overflow: hidden; margin-top: 8px; }
.rate-limit-fill { height: 100%; background: var(--accent); transition: width 0.3s; }

.checkbox-wrapper { display: flex; align-items: center; gap: 8px; }
.checkbox-wrapper input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--accent); }

.empty-state { text-align: center; padding: 40px 20px; color: var(--text-muted); }
.empty-state i { font-size: 32px; margin-bottom: 12px; opacity: 0.5; }
.empty-state p { font-size: 14px; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-center { display: flex; align-items: center; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }

.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }

.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-sm { font-size: 12px; }
.text-xs { font-size: 11px; }
.font-mono { font-family: 'SF Mono', Consolas, monospace; }

.page { display: none; }
.page.active { display: block; }

.welcome-banner { background: var(--accent-muted); border: 1px solid rgba(59, 130, 246, 0.2); border-radius: 8px; padding: 24px; margin-bottom: 24px; }
.welcome-banner h3 { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.welcome-banner p { color: var(--text-secondary); font-size: 14px; margin-bottom: 16px; }

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-light); }

@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .sidebar { width: 60px; }
    .main-content { margin-left: 60px; padding: 20px; }
    .logo h1, .logo span { display: none; }
    .nav-item span { display: none; }
    .nav-section-title { display: none; }
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

.sidebar-footer { padding: 16px; border-top: 1px solid var(--border); margin-top: auto; }