:root{
  --accent:#f59e0b;
  --accent-soft:#f59e0b;
  --accent-text:#0f172a;
  --accent-hover:#d97706;
  --accent-tint:rgba(245,158,11,.15);
  --accent-border:#1e3a5f;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Segoe UI',system-ui,sans-serif;background:#0f172a;color:#e2e8f0;min-height:100vh;display:flex;flex-direction:column}
.layout{display:grid;grid-template-columns:220px 1fr;min-height:100vh}
/* Sidebar */
.sidebar{background:#1e293b;border-right:1px solid #334155;display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow-y:auto}
.sidebar-header{padding:16px;border-bottom:1px solid #334155}
.sidebar-header h1{font-size:.95rem;font-weight:700;color:#f59e0b}
.sidebar-header p{font-size:.7rem;color:#94a3b8;margin-top:2px}
.nav-section{padding:10px 8px 3px;font-size:.6rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:#94a3b8}
.nav-item{display:flex;align-items:center;gap:8px;padding:8px 14px;cursor:pointer;color:#94a3b8;font-size:.825rem;border-left:3px solid transparent;transition:all .12s}
.nav-item:hover{background:#0f172a;color:#e2e8f0}
.nav-item.active{background:#0f172a;color:#f59e0b;border-left-color:#f59e0b}
.nav-item .icon{font-size:.9rem;width:16px;text-align:center}
.sidebar-footer{margin-top:auto;padding:10px 14px;border-top:1px solid #334155;font-size:.7rem;color:#94a3b8}
/* Main */
.main{background:#0f172a;overflow-y:auto}
.topbar{background:#1e293b;border-bottom:1px solid #334155;padding:12px 20px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:10}
.topbar-title{font-size:1rem;font-weight:600;color:#f59e0b}
.content{padding:20px}
/* Cards */
.card{background:#1e293b;border:1px solid #334155;border-radius:10px;padding:18px;margin-bottom:14px}
.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.card-title{font-size:.95rem;font-weight:600;color:#f1f5f9}
.card-subtitle{font-size:.75rem;color:#94a3b8;margin-top:2px}
/* Grid */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}
.grid-4{display:grid;grid-template-columns:1fr 1fr 1fr 1fr;gap:12px}
/* Stats */
.stat{background:#0f172a;border:1px solid #1e3a5f;border-radius:8px;padding:14px}
.stat-value{font-size:1.6rem;font-weight:700;color:#f59e0b}
.stat-label{font-size:.7rem;color:#94a3b8;margin-top:3px}
/* Table */
table{width:100%;border-collapse:collapse;font-size:.82rem}
th{background:#0f172a;padding:9px 12px;text-align:left;font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:#94a3b8;border-bottom:1px solid #334155}
td{padding:9px 12px;border-bottom:1px solid #1e293b;vertical-align:middle}
tr:hover td{background:rgba(15,23,42,.4)}
/* Badges */
.badge{display:inline-flex;align-items:center;gap:3px;padding:2px 7px;border-radius:9999px;font-size:.65rem;font-weight:600}
.badge-green{background:#14532d;color:#4ade80}
.badge-red{background:#450a0a;color:#f87171}
.badge-blue{background:#1e3a5f;color:#60a5fa}
.badge-yellow{background:#422006;color:#fbbf24}
.badge-orange{background:#431407;color:#fb923c}
.badge-purple{background:#2e1065;color:#c084fc}
.badge-gray{background:#1e293b;color:#94a3b8;border:1px solid #334155}
/* Buttons */
.btn{display:inline-flex;align-items:center;gap:5px;padding:7px 13px;border-radius:6px;border:none;font-size:.8rem;font-weight:500;cursor:pointer;transition:all .12s}
.btn-primary{background:#f59e0b;color:#0f172a}.btn-primary:hover{background:#d97706}
.btn-danger{background:#dc2626;color:#fff}.btn-danger:hover{background:#b91c1c}
.btn-success{background:#16a34a;color:#0f172a}.btn-success:hover{background:#15803d}
.btn-ghost{background:transparent;color:#94a3b8;border:1px solid #334155}.btn-ghost:hover{background:#1e293b;color:#e2e8f0}
.btn-sm{padding:4px 9px;font-size:.73rem}
.btn-icon{width:30px;height:30px;padding:0;justify-content:center;border-radius:6px}
/* Forms */
.form-group{margin-bottom:12px}
.form-label{display:block;font-size:.75rem;font-weight:500;color:#94a3b8;margin-bottom:4px}
.form-control{width:100%;background:#0f172a;border:1px solid #334155;color:#e2e8f0;padding:8px 11px;border-radius:6px;font-size:.825rem}
.form-control:focus{outline:none;border-color:#f59e0b;box-shadow:0 0 0 2px rgba(245,158,11,.15)}
select.form-control option{background:#1e293b}
textarea.form-control{resize:vertical;min-height:72px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.form-row-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px}
/* Chips */
.chips{display:flex;flex-wrap:wrap;gap:5px;margin-top:5px}
.chip{display:inline-flex;align-items:center;gap:3px;padding:3px 9px;border-radius:9999px;font-size:.72rem;cursor:pointer;user-select:none;transition:all .1s}
.chip-on{background:#f59e0b;color:#0f172a}
.chip-off{background:#1e293b;border:1px solid #334155;color:#94a3b8}
.chip-off:hover{border-color:#f59e0b;color:#fbbf24}
/* Modals */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.75);z-index:100;display:flex;align-items:center;justify-content:center;padding:16px}
.modal{background:#1e293b;border:1px solid #334155;border-radius:12px;width:100%;max-width:560px;max-height:90vh;overflow-y:auto}
.modal-lg{max-width:780px}
.modal-header{padding:18px 22px 14px;border-bottom:1px solid #334155;display:flex;align-items:center;justify-content:space-between}
.modal-title{font-size:.95rem;font-weight:600}
.modal-body{padding:18px 22px}
.modal-footer{padding:14px 22px;border-top:1px solid #334155;display:flex;justify-content:flex-end;gap:8px}
/* Toast */
.toast-container{position:fixed;bottom:18px;right:18px;z-index:200;display:flex;flex-direction:column;gap:7px}
.toast{background:#1e293b;border:1px solid #334155;border-radius:8px;padding:11px 14px;font-size:.82rem;display:flex;align-items:center;gap:9px;min-width:260px;animation:slideIn .2s ease}
.toast-success{border-left:3px solid #22c55e}
.toast-error{border-left:3px solid #ef4444}
.toast-info{border-left:3px solid #38bdf8}
@keyframes slideIn{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}
/* Sections */
.section{display:none}.section.active{display:block}
/* Pagination */
.pg-bar{display:flex;align-items:center;gap:6px;padding:8px 2px;font-size:.78rem;color:#94a3b8;border-top:1px solid #1e293b;margin-top:4px}
.pg-info{flex:1;text-align:center}
.pg-btn{background:transparent;border:1px solid #334155;color:#94a3b8;border-radius:5px;padding:3px 10px;cursor:pointer;font-size:.75rem}
.pg-btn:hover:not(:disabled){background:#1e293b;color:#e2e8f0}.pg-btn:disabled{opacity:.35;cursor:default}
/* Code / Logs */
.code-block{background:#0f172a;border:1px solid #334155;border-radius:6px;padding:11px;font-family:monospace;font-size:.75rem;color:#94a3b8;word-break:break-all;white-space:pre-wrap;max-height:300px;overflow-y:auto}
/* Progress bar */
.progress-wrap{background:#0f172a;border-radius:4px;height:8px;overflow:hidden;width:100%}
.progress-bar{background:#f59e0b;height:8px;border-radius:4px;transition:width .4s}
/* Alert / info box */
.alert{padding:10px 14px;border-radius:7px;font-size:.82rem;margin-bottom:12px}
.alert-info{background:#1e3a5f;border:1px solid #1d4ed8;color:#93c5fd}
.alert-warn{background:#422006;border:1px solid #b45309;color:#fbbf24}
.alert-ok{background:#14532d;border:1px solid #15803d;color:#4ade80}
/* Labeling tool */
.labeling-layout{display:grid;grid-template-columns:200px 1fr 240px;gap:12px;height:calc(100vh - 120px)}
.image-list{background:#1e293b;border:1px solid #334155;border-radius:8px;overflow-y:auto}
.image-list-item{padding:8px 12px;cursor:pointer;font-size:.78rem;border-bottom:1px solid #1e293b;display:flex;align-items:center;gap:6px;transition:background .1s}
.image-list-item:hover{background:#0f172a}
.image-list-item.active{background:#0f172a;color:#f59e0b;border-left:2px solid #f59e0b}
.canvas-wrap{background:#1e293b;border:1px solid #334155;border-radius:8px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
#sam2-canvas{cursor:crosshair;max-width:100%;max-height:100%}
.annotation-panel{background:#1e293b;border:1px solid #334155;border-radius:8px;display:flex;flex-direction:column;overflow:hidden}
.ann-section{padding:10px 12px;border-bottom:1px solid #334155}
.ann-title{font-size:.75rem;font-weight:600;color:#94a3b8;text-transform:uppercase;margin-bottom:8px}
.ann-list{flex:1;overflow-y:auto;padding:8px 12px}
.ann-item{background:#0f172a;border:1px solid #334155;border-radius:5px;padding:7px 9px;margin-bottom:5px;display:flex;align-items:center;justify-content:space-between;font-size:.78rem}
/* Confidence sliders */
.conf-row{display:flex;align-items:center;gap:8px;margin-bottom:7px}
.conf-label{min-width:85px;font-size:.78rem;color:#94a3b8}
.conf-val{min-width:34px;font-size:.75rem;font-family:monospace;text-align:right;color:#f59e0b}
input[type=range]{flex:1;accent-color:#f59e0b;height:4px}
/* Live detection */
.live-grid{display:grid;grid-template-columns:1fr 1fr 1fr 1fr;gap:10px;margin-bottom:14px}
.live-stat{background:#0f172a;border:1px solid #334155;border-radius:7px;padding:12px;text-align:center}
.live-stat-val{font-size:1.4rem;font-weight:700;color:#f59e0b}
.live-stat-lbl{font-size:.68rem;color:#94a3b8;margin-top:2px}
/* Health dots */
.dot{width:9px;height:9px;border-radius:50%;display:inline-block;margin-right:5px}
.dot-ok{background:#22c55e}.dot-warn{background:#f59e0b}.dot-err{background:#ef4444}
/* Model card */
.model-card{background:#0f172a;border:1px solid #334155;border-radius:7px;padding:12px;margin-bottom:8px;display:flex;align-items:center;justify-content:space-between}
.model-path{font-family:monospace;font-size:.72rem;color:#94a3b8;word-break:break-all}
/* Tabs */
.tabs{display:flex;border-bottom:1px solid #334155;margin-bottom:16px}
.tab{padding:8px 16px;font-size:.825rem;cursor:pointer;color:#94a3b8;border-bottom:2px solid transparent;margin-bottom:-1px;transition:all .12s}
.tab.active{color:#f59e0b;border-bottom-color:#f59e0b}
.tab-content{display:none}.tab-content.active{display:block}
.hidden{display:none!important}