:root{
  --bg:#fafafa;
  --card:#ffffff;
  --text:#1a1a1a;
  --muted:#71717a;
  --border:rgba(0,0,0,0.06);
  --shadow:0 1px 3px rgba(0,0,0,0.04),0 4px 12px rgba(0,0,0,0.03);
  --accent:#000;
  --accent2:#333;
  --good:#22c55e;
  --warn:#eab308;
  --dead:#ef4444;
  --radius:10px;
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}

.container{max-width:900px;margin:0 auto;padding:32px 20px 80px}

/* Header */
.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px;flex-wrap:wrap}
.brand h1{font-size:22px;font-weight:600;letter-spacing:-0.3px}
.brand p{font-size:13px;color:var(--muted);margin-top:4px;font-weight:400}

/* Cards */
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}

/* Form Elements */
label{display:block;font-size:11px;font-weight:500;color:var(--muted);margin-bottom:6px;text-transform:uppercase;letter-spacing:0.5px}
input[type="text"],input[type="password"],select{
  width:100%;padding:10px 12px;border-radius:8px;border:1px solid var(--border);
  background:#fff;color:var(--text);font-size:14px;outline:none;transition:border 0.15s
}
input:focus,select:focus{border-color:#999}
input::placeholder{color:#a1a1aa}
input[type="file"]{padding:10px;border:1px dashed var(--border);border-radius:8px;background:#fafafa;font-size:13px}

/* Layout */
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.small{font-size:12px;color:var(--muted)}
.hr{height:1px;background:var(--border);margin:16px 0}
.grid{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:768px){.grid{grid-template-columns:1fr 1fr}}

/* Buttons */
button{cursor:pointer;border:0;border-radius:8px;padding:10px 16px;font-size:13px;font-weight:500;transition:all 0.15s}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent2)}
.btn-ghost{background:transparent;border:1px solid var(--border);color:var(--text)}
.btn-ghost:hover{background:#f4f4f5}
.btn-good{background:rgba(34,197,94,0.1);color:#15803d;border:1px solid rgba(34,197,94,0.2)}
.btn-good:hover{background:rgba(34,197,94,0.15)}

/* Badges & Pills */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;
  font-size:12px;font-weight:500;border:1px solid var(--border);background:#fff;color:var(--text);text-decoration:none;transition:all 0.15s
}
.badge:hover{background:#f4f4f5}
.pill{
  display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;
  font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:0.3px
}
.pill.good{background:rgba(34,197,94,0.1);color:#15803d}
.pill.warn{background:rgba(234,179,8,0.1);color:#a16207}
.pill.dead{background:rgba(239,68,68,0.1);color:#dc2626}

/* Table */
.table{width:100%;border-collapse:collapse}
.table th{text-align:left;font-size:11px;font-weight:500;color:var(--muted);padding:8px 12px;text-transform:uppercase;letter-spacing:0.5px;border-bottom:1px solid var(--border)}
.table td{padding:16px 12px;border-bottom:1px solid var(--border);vertical-align:top}
.table tr:last-child td{border-bottom:0}
.preview{width:64px;height:64px;border-radius:8px;object-fit:cover;border:1px solid var(--border)}

/* Code Box */
.codebox{display:flex;gap:10px;align-items:center;padding:10px 12px;border-radius:8px;background:#f4f4f5}
.codebox code{font-family:ui-monospace,SFMono-Regular,monospace;font-size:13px;font-weight:500;letter-spacing:0.5px}

/* Toolbar */
.toolbar{display:flex;gap:12px;align-items:flex-end;flex-wrap:wrap}
.toolbar>div{min-width:180px;flex:1}

/* Tabs */
.tabs{display:flex;gap:2px;background:#f4f4f5;padding:3px;border-radius:10px;margin-bottom:20px}
.tab{flex:1;padding:8px 16px;border-radius:8px;border:0;background:transparent;font-size:13px;font-weight:500;color:var(--muted);cursor:pointer;transition:all 0.15s}
.tab:hover{color:var(--text)}
.tab.active{background:#fff;color:var(--text);box-shadow:0 1px 3px rgba(0,0,0,0.08)}
.tab-content{display:none}
.tab-content.active{display:block}

/* Toggle Switch */
.toggle-switch{position:relative;width:42px;height:24px;background:#e4e4e7;border-radius:12px;cursor:pointer;transition:background 0.2s}
.toggle-switch.on{background:var(--good)}
.toggle-switch::after{content:'';position:absolute;top:2px;left:2px;width:20px;height:20px;background:#fff;border-radius:10px;transition:transform 0.2s;box-shadow:0 1px 2px rgba(0,0,0,0.15)}
.toggle-switch.on::after{transform:translateX(18px)}

/* Status Indicator */
.status-indicator{display:inline-flex;align-items:center;gap:6px}
.status-dot{width:6px;height:6px;border-radius:50%}
.status-dot.on{background:var(--good)}
.status-dot.off{background:#d4d4d8}
.status-text{font-size:11px;font-weight:500;text-transform:uppercase;letter-spacing:0.5px}
.status-text.on{color:var(--good)}
.status-text.off{color:var(--muted)}

/* Control Panel */
.control-panel{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px}
.control-item{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;background:#fafafa;border:1px solid var(--border);border-radius:10px}
.control-item label{font-size:13px;font-weight:500;color:var(--text);margin:0;text-transform:none;letter-spacing:0}

/* Quick Nav FAB */
.quicknav{position:fixed;bottom:24px;right:24px;z-index:1000;display:flex;flex-direction:column;gap:8px;align-items:flex-end}
.quicknav-toggle{width:48px;height:48px;border-radius:50%;background:var(--accent);color:#fff;font-size:20px;border:0;cursor:pointer;box-shadow:0 4px 12px rgba(0,0,0,0.15);display:flex;align-items:center;justify-content:center;transition:transform 0.15s}
.quicknav-toggle:hover{transform:scale(1.05)}
.quicknav-panel{display:none;background:#fff;border:1px solid var(--border);border-radius:12px;padding:8px;box-shadow:0 8px 24px rgba(0,0,0,0.12);min-width:180px}
.quicknav-panel.open{display:block}
.quicknav-panel a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;text-decoration:none;color:var(--text);font-size:13px;font-weight:500;transition:background 0.1s}
.quicknav-panel a:hover{background:#f4f4f5}
.quicknav-panel a .icon{width:20px;text-align:center;font-size:14px;opacity:0.6}

/* Modal */
.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.5);display:none;align-items:center;justify-content:center;z-index:2000}
.modal-overlay.open{display:flex}
.modal{background:#fff;border-radius:16px;padding:24px;max-width:480px;width:90%;max-height:80vh;overflow-y:auto;box-shadow:0 24px 48px rgba(0,0,0,0.2)}
.modal h2{font-size:18px;font-weight:600;margin-bottom:16px}
.modal h3{font-size:13px;font-weight:600;color:var(--text);margin:20px 0 8px}
.modal p,.modal li{font-size:13px;color:var(--muted);line-height:1.6}
.modal ul{padding-left:18px}
.modal-close{float:right;background:none;border:0;font-size:18px;cursor:pointer;color:var(--muted);padding:0}

/* Help Section */
.help-section{padding:0}
.help-section h3{font-size:14px;font-weight:600;color:var(--text);margin:24px 0 12px}
.help-section h3:first-child{margin-top:0}
.help-section p,.help-section li{font-size:13px;color:var(--muted);line-height:1.7}
.help-section ul{padding-left:18px;margin:0 0 16px}
.help-section li{margin-bottom:6px}
.help-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px}
.help-card{background:#fafafa;border:1px solid var(--border);border-radius:10px;padding:16px}
.help-card h4{font-size:13px;font-weight:600;color:var(--text);margin-bottom:6px}
.help-card p{font-size:12px;color:var(--muted);line-height:1.5;margin:0}

/* Responsive */
@media(max-width:600px){
  .container{padding:20px 16px 80px}
  .topbar{flex-direction:column;align-items:flex-start}
  .toolbar{flex-direction:column}
  .toolbar>div{min-width:100%;flex:none}
  .control-panel{grid-template-columns:1fr}
}