/* Design tokens. Structure follows the house admin design system; the accent
   is the one brand colour and is reserved for primary CTAs, the active nav
   item and key highlights - never body text or generic surfaces. */
:root{
  --brand:#5B5BD6; --brand-pressed:#4747B0; --brand-soft:#EEEEFB; --on-brand:#fff;
  --canvas:#F6F7F9; --surface:#FFFFFF; --sidebar:#0E0F12; --border:#ECEDF1; --border-2:#E2E4EA;
  --text:#0C0D0F; --text-2:#64666E; --text-3:#9A9CA5; --on-dark:#F4F5F7; --on-dark-2:#9BA0AB;
  --success:#12B76A; --success-soft:#E7F8F0; --warning:#F79009; --warning-soft:#FEF3E2;
  --danger:#F04438; --danger-soft:#FEECEB; --info:#2E90FA; --info-soft:#E8F2FE;
  --r-sm:8px; --r-md:12px; --r-lg:16px; --r-xl:22px; --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,24,40,.06); --sh-2:0 4px 12px rgba(16,24,40,.08);
  --sh-3:0 12px 32px rgba(16,24,40,.12);
  --sidebar-w:250px; --topbar-h:64px; --ease:cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{background:var(--canvas);color:var(--text);
  font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}

/* ── shell ── */
.shell{display:grid;grid-template-columns:var(--sidebar-w) 1fr;min-height:100dvh}
.sidebar{background:var(--sidebar);color:var(--on-dark);display:flex;flex-direction:column;
  position:sticky;top:0;height:100vh;height:100dvh;overflow-y:auto;overscroll-behavior:contain}
.sidebar>nav{flex:0 0 auto;padding:8px}
.brand{display:flex;align-items:center;gap:10px;padding:20px 18px 14px;font-weight:700;font-size:15px}
.brand .dot{width:28px;height:28px;border-radius:9px;background:var(--brand);
  display:grid;place-items:center;color:#fff;font-size:15px}
.navgroup{margin:14px 0 4px;padding:0 18px;font-size:11px;letter-spacing:.08em;
  text-transform:uppercase;color:var(--on-dark-2)}
.navitem{display:flex;align-items:center;gap:11px;padding:10px 14px;margin:2px 6px;
  border-radius:var(--r-md);color:var(--on-dark-2);cursor:pointer;transition:.15s var(--ease);font-size:14px}
.navitem:hover{background:rgba(255,255,255,.06);color:var(--on-dark)}
.navitem.active{background:var(--brand);color:var(--on-brand);font-weight:600}
.navitem i{font-size:18px}
.sidefoot{margin-top:auto;padding:14px 18px;border-top:1px solid rgba(255,255,255,.08);font-size:12px;color:var(--on-dark-2)}
.meter{margin:9px 0}
.meter .lab{display:flex;justify-content:space-between;font-size:11px;margin-bottom:5px}
.meter .bar{height:5px;border-radius:var(--r-pill);background:rgba(255,255,255,.12);overflow:hidden}
.meter .fill{height:100%;background:var(--brand);border-radius:var(--r-pill);transition:width .4s var(--ease)}
.meter .fill.warn{background:var(--warning)} .meter .fill.crit{background:var(--danger)}

.main{display:flex;flex-direction:column;min-width:0}
.topbar{height:var(--topbar-h);position:sticky;top:0;z-index:20;display:flex;align-items:center;
  gap:14px;padding:0 22px;background:rgba(255,255,255,.82);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border)}
.topbar h1{font-size:17px;margin:0;font-weight:650;flex:1}
.hamburger{display:none;background:none;border:0;font-size:22px;cursor:pointer;color:var(--text)}
.avatar{width:34px;height:34px;border-radius:50%;background:var(--brand-soft);color:var(--brand);
  display:grid;place-items:center;font-weight:700;cursor:pointer}
.content{padding:24px 22px 60px;max-width:1280px;width:100%;margin:0 auto}

/* ── components ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;border:1px solid transparent;
  background:var(--surface);color:var(--text);padding:9px 15px;border-radius:var(--r-md);
  font:inherit;font-weight:550;cursor:pointer;transition:.15s var(--ease);white-space:nowrap}
.btn--brand{background:var(--brand);color:var(--on-brand)}
.btn--brand:hover{background:var(--brand-pressed)}
.btn--tonal{background:var(--brand-soft);color:var(--brand)}
.btn--outline{border-color:var(--border-2)}
.btn--outline:hover{background:var(--canvas)}
.btn--ghost{background:transparent;color:var(--text-2)}
.btn--ghost:hover{background:var(--canvas);color:var(--text)}
.btn--danger{background:var(--danger);color:#fff}
.btn--sm{padding:6px 11px;font-size:13px}
.btn--icon{padding:8px;width:34px;height:34px}
.btn--block{width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed}

.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden}
.card__head{padding:16px 18px;border-bottom:1px solid var(--border);display:flex;
  align-items:center;gap:12px;flex-wrap:wrap}
.card__head h2{margin:0;font-size:15px;font-weight:650;flex:1}
.card__head .sub{font-size:13px;color:var(--text-2);width:100%;margin-top:-4px}
.card__body{padding:18px}

.grid{display:grid;gap:16px}
.grid--4{grid-template-columns:repeat(4,1fr)}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--2{grid-template-columns:repeat(2,1fr)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}

.stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:16px;box-shadow:var(--sh-1);display:flex;gap:13px;align-items:flex-start}
.stat .tile{width:40px;height:40px;border-radius:var(--r-md);background:var(--brand-soft);
  color:var(--brand);display:grid;place-items:center;font-size:20px;flex:none}
.stat .val{font-size:24px;font-weight:700;font-variant-numeric:tabular-nums;line-height:1.15}
.stat .lab{font-size:12.5px;color:var(--text-2)}

.chip{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;background:var(--canvas);color:var(--text-2)}
.chip--success{background:var(--success-soft);color:var(--success)}
.chip--danger{background:var(--danger-soft);color:var(--danger)}
.chip--warning{background:var(--warning-soft);color:var(--warning)}
.chip--info{background:var(--info-soft);color:var(--info)}

.field{margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:550;margin-bottom:6px}
.field .hint{font-size:12px;color:var(--text-3);margin-top:5px}
.control{width:100%;padding:10px 12px;border:1px solid var(--border-2);border-radius:var(--r-md);
  font:inherit;font-size:16px;background:var(--surface);color:var(--text);transition:.15s var(--ease)}
@media(min-width:641px){.control{font-size:14px}}
.control:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
textarea.control{min-height:120px;resize:vertical;line-height:1.6}
select.control{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%2364666E' stroke-width='2'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 12px center;padding-right:34px}
.search{position:relative}
.search i{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--text-3);font-size:17px}
.search .control{padding-left:36px}

.tbl{width:100%;border-collapse:collapse}
.tbl th{text-align:left;font-size:12px;color:var(--text-2);font-weight:600;padding:10px 14px;
  border-bottom:1px solid var(--border);position:sticky;top:0;background:var(--surface);z-index:1}
.tbl td{padding:12px 14px;border-bottom:1px solid var(--border);vertical-align:middle}
.tbl tr:last-child td{border-bottom:0}
.tbl tbody tr:hover{background:var(--canvas)}
.tbl .right{text-align:right;white-space:nowrap}
.tbl .ell{max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.table-scroll{overflow-x:auto}

.empty{padding:46px 20px;text-align:center;color:var(--text-2)}
.empty i{font-size:40px;color:var(--text-3);display:block;margin-bottom:12px}
.empty h3{margin:0 0 5px;font-size:15px;color:var(--text)}
.empty p{margin:0 0 16px;font-size:13px}
.skel{background:linear-gradient(90deg,#EDEEF2 25%,#F5F6F8 50%,#EDEEF2 75%);
  background-size:200% 100%;animation:sh 1.3s infinite;border-radius:6px;height:13px}
@keyframes sh{0%{background-position:200% 0}100%{background-position:-200% 0}}
.center-load{padding:40px;display:grid;place-items:center}
.spinner{width:26px;height:26px;border:2.5px solid var(--border-2);border-top-color:var(--brand);
  border-radius:50%;animation:sp .7s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}

#toasts{position:fixed;right:18px;bottom:18px;z-index:100;display:flex;flex-direction:column;gap:9px}
.toast{background:var(--sidebar);color:#fff;padding:12px 16px;border-radius:var(--r-md);
  box-shadow:var(--sh-3);font-size:13.5px;max-width:380px;animation:tin .25s var(--ease)}
.toast.danger{background:var(--danger)} .toast.success{background:var(--success)}
@keyframes tin{from{opacity:0;transform:translateY(10px)}}

.modal-bg{position:fixed;inset:0;background:rgba(12,13,15,.45);backdrop-filter:blur(3px);
  z-index:60;display:grid;place-items:center;padding:20px;animation:tin .2s var(--ease)}
.modal{background:var(--surface);border-radius:var(--r-lg);box-shadow:var(--sh-3);
  width:min(680px,100%);max-height:88dvh;display:flex;flex-direction:column}
.modal__head{padding:17px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center}
.modal__head h2{margin:0;font-size:16px;flex:1}
.modal__body{padding:20px;overflow-y:auto}
.modal__foot{padding:14px 20px;border-top:1px solid var(--border);display:flex;gap:9px;justify-content:flex-end}

.dropzone{border:2px dashed var(--border-2);border-radius:var(--r-lg);padding:38px 20px;text-align:center;
  cursor:pointer;transition:.15s var(--ease);color:var(--text-2)}
.dropzone:hover,.dropzone.over{border-color:var(--brand);background:var(--brand-soft)}
.dropzone i{font-size:34px;color:var(--text-3);display:block;margin-bottom:10px}

/* ── login ── */
.login-wrap{min-height:100dvh;display:grid;place-items:center;padding:20px;
  background:radial-gradient(120% 90% at 50% 0%,#1a1b22 0%,#0E0F12 60%)}
.login{background:var(--surface);border-radius:var(--r-xl);box-shadow:var(--sh-3);
  padding:34px;width:min(400px,100%)}
.login .brand{padding:0 0 20px;font-size:17px}

/* ── responsive ── */
@media(max-width:1100px){.grid--4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:960px){
  .shell{grid-template-columns:1fr}
  .sidebar{position:fixed;left:0;top:0;width:var(--sidebar-w);z-index:50;
    transform:translateX(-100%);transition:transform .25s var(--ease)}
  .sidebar.open{transform:none}
  .scrim{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:45}
  .hamburger{display:block}
  .grid--3,.grid--2,.row2{grid-template-columns:1fr}
}
@media(max-width:640px){
  .content{padding:16px 14px 50px}
  .grid--4{grid-template-columns:1fr}
  .modal{max-height:100dvh;height:100dvh;width:100%;border-radius:0}
  .modal__foot{padding-bottom:calc(14px + env(safe-area-inset-bottom))}
  .card__head{flex-direction:column;align-items:stretch}
  .card__head .btn{width:100%}
}

/* Voice row: the play button is a sibling of a .control, so it must stretch to
   the control's height rather than keep the icon button's fixed 34px - at 34px
   next to a 40px select it reads as misaligned. */
.voice-row{display:flex;gap:8px;align-items:stretch}
.voice-row .control{flex:1;min-width:0}
.voice-row .btn{flex:none;width:44px;padding:0;display:grid;place-items:center;font-size:17px}