:root{
  --bg:#0B1220;
  --surface:#121B2E;
  --surface-2:#182338;
  --border:#243046;
  --text:#E7ECF6;
  --text-dim:#8C9BB8;
  --amber:#F5A623;
  --amber-dim:#7A5518;
  --teal:#2DD4BF;
  --red:#F0556B;
  --mono:'JetBrains Mono', ui-monospace, monospace;
  --sans:'Inter', system-ui, sans-serif;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:
    radial-gradient(ellipse 900px 500px at 85% -10%, rgba(245,166,35,0.10), transparent),
    radial-gradient(ellipse 700px 500px at -10% 20%, rgba(45,212,191,0.08), transparent),
    var(--bg);
  color:var(--text);
  font-family:var(--mono);
  min-height:100vh;
}
a{color:var(--teal);}
.specimen-tag{
  display:inline-flex;align-items:center;gap:6px;
  font-family:var(--mono);font-size:11px;color:var(--amber);
  background:rgba(245,166,35,0.08);
  border:1px dashed var(--amber-dim);
  padding:2px 8px;border-radius:3px;
  margin-top:6px;letter-spacing:0.2px;
  user-select:all;
}
.specimen-tag::before{content:"◇";color:var(--amber-dim);}

/* ---- layout ---- */
.app-shell{display:flex;min-height:100vh;}
.sidebar{
  width:230px;flex-shrink:0;
  background:var(--surface);
  border-right:1px solid var(--border);
  padding:22px 16px;
  position:sticky;top:0;height:100vh;
  overflow-y:auto;
}
.brand{display:flex;align-items:center;gap:10px;margin-bottom:26px;padding:0 6px;}
.brand-mark{
  width:30px;height:30px;border-radius:7px;
  background:linear-gradient(135deg,var(--amber),#c9791a);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-weight:700;color:#1a1204;font-size:14px;
}
.brand-name{font-weight:800;font-size:15px;letter-spacing:0.3px;}
.brand-sub{font-family:var(--mono);font-size:10px;color:var(--text-dim);}

nav.mainnav{display:flex;flex-direction:column;gap:2px;}
nav.mainnav a{
  text-decoration:none;color:var(--text-dim);
  font-size:13.5px;font-weight:600;
  padding:9px 12px;border-radius:6px;
  display:flex;align-items:center;gap:10px;
  border-left:2px solid transparent;
  transition:background .12s ease,color .12s ease;
}
nav.mainnav a .num{font-family:var(--mono);font-size:10.5px;color:var(--text-dim);opacity:.7;}
nav.mainnav a:hover{background:var(--surface-2);color:var(--text);}
nav.mainnav a.active{
  background:var(--surface-2);color:var(--amber);
  border-left:2px solid var(--amber);
}
.sidebar-footer{margin-top:24px;padding-top:16px;border-top:1px solid var(--border);}
.session-pill{
  font-family:var(--mono);font-size:11px;color:var(--text-dim);
  padding:8px 10px;background:var(--surface-2);border-radius:6px;
  display:flex;justify-content:space-between;align-items:center;gap:6px;
}
.session-pill .dot{width:7px;height:7px;border-radius:50%;background:var(--red);}
.session-pill.on .dot{background:var(--teal);}

.main{flex:1;min-width:0;padding:34px 40px 80px;max-width:1040px;}
#app-content{animation:fadeIn .2s ease;}
@keyframes fadeIn{from{opacity:0;transform:translateY(4px);}to{opacity:1;transform:none;}}

h1.page-title{font-size:26px;margin:0 0 4px;letter-spacing:-0.2px;}
p.page-desc{color:var(--text-dim);margin:0 0 28px;font-size:14px;max-width:640px;line-height:1.5;}
.eyebrow{font-family:var(--mono);font-size:11px;color:var(--amber);text-transform:uppercase;letter-spacing:1.5px;margin-bottom:8px;}

.card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:10px;padding:20px 22px;margin-bottom:18px;
}
.card h3{margin:0 0 4px;font-size:14.5px;}
.card .card-help{color:var(--text-dim);font-size:12.5px;margin:0 0 14px;}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
@media (max-width:820px){.grid-2,.grid-3{grid-template-columns:1fr;}}

/* form controls */
label.field-label{display:block;font-size:12.5px;font-weight:600;color:var(--text-dim);margin-bottom:6px;}
input[type=text],input[type=email],input[type=password],input[type=tel],input[type=date],input[type=number],select,textarea{
  width:100%;background:var(--bg);border:1px solid var(--border);color:var(--text);
  padding:9px 11px;border-radius:6px;font-size:13.5px;font-family:var(--sans);
  outline:none;transition:border-color .12s ease;
}
input:focus,select:focus,textarea:focus{border-color:var(--amber);}
input.invalid,select.invalid,textarea.invalid{border-color:var(--red);}
textarea{resize:vertical;min-height:70px;}
.field{margin-bottom:16px;}
.error-text{color:var(--red);font-size:11.5px;margin-top:5px;font-family:var(--mono);display:none;}
.error-text.show{display:block;}
.checkbox-row,.radio-row{display:flex;align-items:center;gap:8px;margin-bottom:8px;font-size:13.5px;}
.radio-group,.checkbox-group{display:flex;flex-direction:column;gap:2px;}
.inline-group{display:flex;gap:18px;flex-wrap:wrap;}

button{
  font-family:var(--sans);cursor:pointer;border:none;border-radius:6px;
  padding:9px 16px;font-size:13.5px;font-weight:600;
  background:var(--surface-2);color:var(--text);border:1px solid var(--border);
  transition:transform .08s ease, border-color .12s ease;
}
button:hover{border-color:var(--amber-dim);}
button:active{transform:scale(0.97);}
button.primary{background:linear-gradient(135deg,var(--amber),#c9791a);color:#1a1204;border:none;}
button.danger{background:rgba(240,85,107,0.12);color:var(--red);border:1px solid rgba(240,85,107,0.4);}
button.ghost{background:transparent;}
button:disabled{opacity:.4;cursor:not-allowed;}
button.small{padding:5px 10px;font-size:12px;}

.btn-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center;}

/* toast */
#toast-container{position:fixed;bottom:22px;right:22px;display:flex;flex-direction:column;gap:10px;z-index:999;}
.toast{
  background:var(--surface-2);border:1px solid var(--teal);color:var(--text);
  padding:12px 16px;border-radius:8px;font-size:13px;min-width:220px;
  box-shadow:0 8px 24px rgba(0,0,0,0.4);
  animation:slideIn .2s ease;
}
.toast.error{border-color:var(--red);}
@keyframes slideIn{from{opacity:0;transform:translateX(20px);}to{opacity:1;transform:none;}}

/* modal */
.modal-overlay{
  display:none;position:fixed;inset:0;background:rgba(5,8,16,0.7);
  align-items:center;justify-content:center;z-index:998;
}
.modal-overlay.show{display:flex;}
.modal-box{
  background:var(--surface);border:1px solid var(--border);border-radius:12px;
  padding:26px;width:380px;max-width:90vw;
}

/* tabs */
.tabs-header{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:16px;}
.tab-btn{background:none;border:none;border-bottom:2px solid transparent;border-radius:0;padding:9px 14px;color:var(--text-dim);}
.tab-btn.active{color:var(--amber);border-bottom-color:var(--amber);}
.tab-panel{display:none;}
.tab-panel.active{display:block;}

/* accordion */
.acc-item{border:1px solid var(--border);border-radius:8px;margin-bottom:8px;overflow:hidden;}
.acc-header{width:100%;text-align:left;background:var(--surface-2);border:none;border-radius:0;padding:12px 14px;display:flex;justify-content:space-between;}
.acc-panel{padding:0 14px;max-height:0;overflow:hidden;transition:max-height .2s ease, padding .2s ease;color:var(--text-dim);font-size:13px;}
.acc-panel.open{max-height:200px;padding:12px 14px;}

/* toggle switch */
.switch{position:relative;display:inline-block;width:42px;height:24px;}
.switch input{opacity:0;width:0;height:0;}
.slider-toggle{position:absolute;cursor:pointer;inset:0;background:var(--border);border-radius:24px;transition:.2s;}
.slider-toggle::before{content:"";position:absolute;height:18px;width:18px;left:3px;bottom:3px;background:var(--text);border-radius:50%;transition:.2s;}
.switch input:checked + .slider-toggle{background:var(--teal);}
.switch input:checked + .slider-toggle::before{transform:translateX(18px);}

/* progress */
.progress-track{width:100%;height:8px;background:var(--surface-2);border-radius:4px;overflow:hidden;}
.progress-fill{height:100%;width:0%;background:linear-gradient(90deg,var(--amber),var(--teal));transition:width .1s linear;}

.spinner{width:22px;height:22px;border:3px solid var(--border);border-top-color:var(--amber);border-radius:50%;animation:spin .7s linear infinite;}
@keyframes spin{to{transform:rotate(360deg);}}

.dropzone{border:2px dashed var(--border);border-radius:8px;padding:26px;text-align:center;color:var(--text-dim);font-size:13px;transition:border-color .15s;}
.dropzone.over{border-color:var(--amber);color:var(--amber);}
.draggable{display:inline-block;padding:10px 16px;background:var(--surface-2);border:1px solid var(--amber-dim);border-radius:6px;cursor:grab;font-size:13px;}

.tooltip-wrap{position:relative;display:inline-block;}
.tooltip-bubble{
  position:absolute;bottom:130%;left:50%;transform:translateX(-50%);
  background:#000;color:#fff;font-size:11.5px;padding:5px 9px;border-radius:5px;
  white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .15s;
}
.tooltip-wrap:hover .tooltip-bubble{opacity:1;}

/* table */
table.data-table{width:100%;border-collapse:collapse;font-size:13px;}
table.data-table th,table.data-table td{padding:9px 10px;border-bottom:1px solid var(--border);text-align:left;}
table.data-table th{color:var(--text-dim);font-size:11.5px;text-transform:uppercase;letter-spacing:.5px;cursor:pointer;user-select:none;}
table.data-table th:hover{color:var(--amber);}
tr[data-testid^="table-row"]:hover{background:var(--surface-2);}
.status-badge{font-size:11px;font-family:var(--mono);padding:2px 8px;border-radius:20px;}
.status-badge.active{background:rgba(45,212,191,0.12);color:var(--teal);}
.status-badge.inactive{background:rgba(240,85,107,0.12);color:var(--red);}
.status-badge.pending{background:rgba(245,166,35,0.12);color:var(--amber);}
.table-toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;gap:10px;flex-wrap:wrap;}
.table-toolbar input{width:220px;}
.pagination{display:flex;gap:6px;align-items:center;justify-content:center;margin-top:16px;flex-wrap:wrap;}
.page-btn{min-width:32px;padding:6px 0;text-align:center;background:var(--surface-2);}
.page-btn.current{background:var(--amber);color:#1a1204;border-color:var(--amber);}

.success-banner{background:rgba(45,212,191,0.1);border:1px solid var(--teal);color:var(--teal);padding:14px 16px;border-radius:8px;font-size:13.5px;margin-bottom:16px;display:none;}
.success-banner.show{display:block;}
.error-banner{background:rgba(240,85,107,0.1);border:1px solid var(--red);color:var(--red);padding:12px 16px;border-radius:8px;font-size:13px;margin-bottom:16px;display:none;}
.error-banner.show{display:block;}
.hint-box{font-family:var(--mono);font-size:11.5px;color:var(--text-dim);background:var(--surface-2);border:1px solid var(--border);padding:10px 12px;border-radius:6px;margin-bottom:16px;}
.hidden-el{display:none;padding:14px;background:var(--surface-2);border-radius:8px;border:1px solid var(--teal);color:var(--teal);font-size:13px;}
.hidden-el.show{display:block;}
.live-counter{font-family:var(--mono);font-size:28px;color:var(--amber);}
code{font-family:var(--mono);background:var(--surface-2);padding:1px 5px;border-radius:4px;font-size:12px;}
ul.plain{margin:0;padding-left:18px;font-size:13px;color:var(--text-dim);line-height:1.7;}
iframe.demo-frame{width:100%;height:120px;border:1px solid var(--border);border-radius:8px;}

.log-panel{max-height:220px;overflow-y:auto;display:flex;flex-direction:column;gap:6px;}
.log-entry{font-family:var(--mono);font-size:11.5px;color:var(--text-dim);background:var(--surface-2);padding:6px 10px;border-radius:5px;border:1px solid var(--border);}