/* ========================================
   One Link Admin Styles
   ======================================== */

:root {
    --primary: #000000;
    --primary-light: #EEEDFE;
    --text: #333;
    --text-muted: #888;
    --bg: #f8f9fa;
    --card-bg: #fff;
    --border: #e0e0e0;
    --danger: #D85A30;
    --success: #1D9E75;
    --warning: #EF9F27;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: 14px;
    color: var(--text);
    background: var(--bg);
    display: flex;
    min-height: 100vh;
}

/* ==================== Sidebar ==================== */

.sidebar {
    width: 200px;
    background: #fff;
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.sidebar-brand {
    padding: 20px 16px;
    border-bottom: 1px solid var(--border);
    font-weight: 600;
    font-size: 16px;
    color: var(--primary);
}

.sidebar-brand a {
    color: var(--primary);
    text-decoration: none;
}

.sidebar-nav {
    list-style: none;
    padding: 12px 0;
    flex: 1;
}

.sidebar-nav li a {
    display: block;
    padding: 10px 16px;
    color: var(--text);
    text-decoration: none;
    transition: all 0.15s;
    font-size: 14px;
}

.sidebar-nav li a:hover,
.sidebar-nav li a.active {
    background: var(--primary-light);
    color: var(--primary);
}

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

.sidebar-footer a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 13px;
}

/* ==================== Main Content ==================== */

.main-content {
    flex: 1;
    padding: 24px 32px;
    max-width: 960px;
    overflow-y: auto;
}

.page-header {
    margin-bottom: 24px;
}

.page-header h1 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 4px;
}

.text-muted {
    color: var(--text-muted);
    font-size: 13px;
}

/* ==================== Cards ==================== */

.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    margin-bottom: 20px;
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}

.card-header h2 {
    font-size: 15px;
    font-weight: 600;
}

.card-body {
    padding: 20px;
}

/* ==================== Stats ==================== */

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

.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ==================== Forms ==================== */

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

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    color: var(--text);
    background: #fafafa;
    outline: none;
    transition: border-color 0.15s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
    font-family: inherit;
}

.form-inline {
    display: flex;
    gap: 12px;
    align-items: flex-end;
    flex-wrap: wrap;
}

.form-inline .form-group {
    margin-bottom: 0;
}

.form-group .text-muted {
    display: block;
    margin-top: 4px;
}

/* ==================== Buttons ==================== */

.btn {
    display: inline-block;
    padding: 8px 16px;
    border: none;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: opacity 0.15s, background 0.15s;
}

.btn:hover { opacity: 0.9; }

.btn-primary { background: var(--primary); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-block { display: block; width: 100%; }

/* ==================== Tables ==================== */

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

th, td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid #f0f0f0;
}

th {
    font-weight: 600;
    color: var(--text-muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

tr:hover { background: #fafafa; }

.td-mono {
    font-family: "SF Mono", "Fira Code", monospace;
    font-size: 12px;
    color: var(--text-muted);
}

/* ==================== Badges ==================== */

.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 500;
}

.badge-navigate { background: #EEEDFE; color: #534AB7; }
.badge-kline { background: #E1F5EE; color: #1D9E75; }
.badge-toggle { background: #FAEEDA; color: #BA7517; }
.badge-unknown { background: #FCEBEB; color: #A32D2D; }
.badge-success { background: #E1F5EE; color: #1D9E75; }
.badge-danger { background: #FCEBEB; color: #A32D2D; }

/* ==================== Login Page ==================== */

.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f5f5f5;
}

.login-card {
    background: #fff;
    border-radius: 16px;
    padding: 40px;
    width: 360px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.08);
}

.login-card h1 {
    text-align: center;
    color: var(--primary);
    font-size: 24px;
    margin-bottom: 4px;
}

.login-subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 24px;
}

/* ==================== Alert ==================== */

.alert {
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 13px;
    margin-bottom: 16px;
}

.alert-danger {
    background: #FCEBEB;
    color: #A32D2D;
    border: 1px solid #F7C1C1;
}

/* ==================== Code / Pre ==================== */

pre {
    background: #f5f5f5;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px 16px;
    font-size: 13px;
    overflow-x: auto;
    margin: 8px 0;
}

code {
    font-family: "SF Mono", "Fira Code", monospace;
    font-size: 13px;
}

/* ==================== Tabs ==================== */

.tab-nav {
    display: flex;
    border-bottom: 2px solid var(--border);
    padding: 0 20px;
}

.tab-btn {
    padding: 10px 20px;
    border: none;
    background: none;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-muted);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: color 0.15s, border-color 0.15s;
}

.tab-btn:hover { color: var(--text); }

.tab-btn.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.tab-panel {
    display: none;
    padding: 20px;
}

.tab-panel.active {
    display: block;
}