:root{
  --bg:#0b1220; --panel:#111a2e; --panel2:#0e1626; --line:#1d2940;
  --ink:#e7eefc; --ink-dim:#9fb2cf; --accent:#6ea8ff; --accent2:#21d4a4;
  --pos:#21d4a4; --neg:#ff6b6b; --warn:#ffd166; --shadow:0 8px 30px rgba(0,0,0,.45);
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);
  font-family:Inter,system-ui,sans-serif;font-size:15px}
h1,h2,h3{margin:0;font-weight:700}
a{color:var(--accent)}
code{background:#13203a;padding:1px 5px;border-radius:5px;font-family:JetBrains Mono,monospace;font-size:13px}

.topbar{display:flex;justify-content:space-between;align-items:center;
  gap:20px;padding:18px 22px;background:linear-gradient(180deg,#0f1a30,#0b1220);
  border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.brand{display:flex;gap:12px;align-items:center}
.logo{width:46px;height:46px;border-radius:12px;background:linear-gradient(135deg,var(--accent),var(--accent2));
  color:#04122a;font-weight:800;display:grid;place-items:center;letter-spacing:-.5px}
.brand h1{font-size:17px;line-height:1.1}
.sub{color:var(--ink-dim);font-size:12.5px;margin:2px 0 0}
.kpis{display:flex;gap:10px;flex-wrap:wrap}
.kpi{background:var(--panel);border:1px solid var(--line);border-radius:10px;
  padding:8px 12px;display:flex;flex-direction:column;min-width:118px}
.kpi-label{font-size:10.5px;color:var(--ink-dim);letter-spacing:.4px;text-transform:uppercase}
.kpi-val{font-size:18px;font-weight:700;font-variant-numeric:tabular-nums;margin-top:2px}
.kpi-val.pos{color:var(--pos)}

.layout{display:grid;grid-template-columns:380px 1fr;gap:18px;padding:18px;align-items:start}
@media(max-width:980px){.layout{grid-template-columns:1fr}}

.chat{background:var(--panel);border:1px solid var(--line);border-radius:14px;
  padding:14px;display:flex;flex-direction:column;height:calc(100vh - 130px);min-height:520px;position:sticky;top:96px}
.chat-head h2{font-size:15px}
.hint{color:var(--ink-dim);font-size:12.5px;line-height:1.45;margin:4px 0 10px}
.hint.small{font-size:11.5px;margin-top:12px}
.chat-log{flex:1;overflow:auto;display:flex;flex-direction:column;gap:8px;padding-right:2px}
.msg{display:flex}.msg.bot{justify-content:flex-start}.msg.user{justify-content:flex-end}
.bubble{max-width:88%;padding:10px 12px;border-radius:12px;font-size:13.5px;line-height:1.45;
  border:1px solid var(--line);background:var(--panel2)}
.msg.user .bubble{background:#16305f;border-color:#274474}
.bubble .pricecard{margin-top:6px;display:grid;gap:4px;padding:8px;border-radius:8px;
  background:#101a30;border:1px solid var(--line)}
.bubble .pricecard .row{display:flex;justify-content:space-between;gap:8px;font-size:12px;color:var(--ink-dim)}
.bubble .pricecard .row b{color:var(--ink);font-variant-numeric:tabular-nums}
.bubble .pricecard .big{font-size:16px;font-weight:700;color:var(--pos);margin-top:2px}
.bubble em{color:var(--accent);font-style:normal}

.chat-input{display:flex;gap:8px;margin-top:10px}
.chat-input input{flex:1;background:var(--panel2);border:1px solid var(--line);color:var(--ink);
  border-radius:10px;padding:11px 12px;font-size:14px;outline:none}
.chat-input input:focus{border-color:var(--accent)}
.chat-extras{display:flex;justify-content:space-between;align-items:center;margin-top:8px}
.status{font-size:11.5px;color:var(--ink-dim)}
.btn{border:1px solid var(--line);background:var(--panel2);color:var(--ink);
  border-radius:9px;padding:9px 12px;font-size:13px;font-weight:600;cursor:pointer;transition:.12s}
.btn:hover{border-color:#2c3a5c}
.btn.primary{background:linear-gradient(135deg,var(--accent),#3c6fd6);border-color:transparent;color:#04122a}
.btn.danger{background:transparent;color:var(--neg);border-color:#5a2730}
.btn.danger:hover{background:#2a1219}
.btn.ghost{background:transparent}

.inv{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px}
.inv-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;gap:10px;flex-wrap:wrap}
.inv-actions{display:flex;gap:8px;flex-wrap:wrap}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:10px}
table{width:100%;border-collapse:collapse;font-size:13px;min-width:780px}
th,td{padding:9px 10px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
thead th{position:sticky;top:0;background:#0f1a31;color:var(--ink-dim);font-size:11px;text-transform:uppercase;letter-spacing:.4px}
tbody tr{cursor:pointer}.tbody tr:hover{background:#102038}
tbody tr:hover{background:#112239}
tbody td{font-variant-numeric:tabular-nums}
tbody td img{width:42px;height:42px;object-fit:cover;border-radius:7px;background:#0c1426}
tbody td.img-empty{color:var(--ink-dim);text-align:center;font-size:10px}
td.num,th.num{text-align:right}
td.name b{font-weight:600}
td.name .cat{display:block;font-size:11px;color:var(--ink-dim)}
td.margin .pos{color:var(--pos);font-weight:600}
td.margin .warn{color:var(--warn)}
td.delete button{background:transparent;border:none;color:var(--neg);cursor:pointer;font-size:14px;padding:4px 8px;border-radius:6px}
td.delete button:hover{background:#2a1219}
tfoot td{background:#0f1a31;font-weight:700}
tfoot td.r{text-align:right}
.line{color:var(--accent)}

/* drawer */
.drawer{position:fixed;inset:0 0 0 auto;width:380px;max-width:92vw;background:var(--panel);
  border-left:1px solid var(--line);box-shadow:var(--shadow);transform:translateX(100%);transition:transform .22s;z-index:30;display:flex}
.drawer.open{transform:none}
.drawer-inner{display:flex;flex-direction:column;width:100%;padding:14px}
.drawer-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.drawer-body{flex:1;overflow:auto;display:flex;flex-direction:column;gap:10px}
.drawer-body label{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--ink-dim)}
.drawer-body input,.drawer-body select{background:var(--panel2);border:1px solid var(--line);
  color:var(--ink);border-radius:8px;padding:9px;font-size:14px;outline:none}
.drawer-body input:focus{border-color:var(--accent)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.imgdrop{margin-top:6px;height:140px;border:1px dashed var(--line);border-radius:10px;
  display:grid;place-items:center;overflow:hidden;background:var(--panel2);cursor:pointer;position:relative}
.imgdrop img{width:100%;height:100%;object-fit:contain}
.imgdrop-prompt{color:var(--ink-dim);font-size:12px}
.drawer-result{background:#101a30;border:1px solid var(--line);border-radius:10px;padding:10px;font-size:12.5px;line-height:1.5}
.drawer-result .resrow{display:flex;justify-content:space-between;gap:10px;color:var(--ink-dim)}
.drawer-result .resrow b{color:var(--ink)}
.drawer-result .big{color:var(--pos);font-size:18px;font-weight:700;margin-top:4px}
.drawer-foot{display:flex;gap:8px;margin-top:10px}
.drawer-foot .btn{flex:1}

.empty{padding:40px;text-align:center;color:var(--ink-dim)}

/* link-button in subtitle */
.link-btn{background:none;border:none;color:var(--accent);cursor:pointer;
  font:inherit;font-size:12.5px;padding:0; text-decoration:underline}
.link-btn:hover{color:#9cc4ff}

/* LOGIN OVERLAY */
.login-overlay{position:fixed;inset:0;background:radial-gradient(120% 120% at 50% 0%,#0e1a32,#060a15);
  display:grid;place-items:center;z-index:50;transition:opacity .2s,visibility .2s}
.login-overlay.hidden{opacity:0;visibility:hidden;pointer-events:none}
.login-card{width:340px;max-width:92vw;background:var(--panel);border:1px solid var(--line);
  border-radius:16px;padding:24px;display:flex;flex-direction:column;gap:10px;box-shadow:var(--shadow)}
.login-card h2{font-size:18px;margin:6px 0 2px}
.login-card .login-sub{color:var(--ink-dim);font-size:12.5px;margin:0 0 8px}
.login-logo{width:54px;height:54px;border-radius:14px;background:linear-gradient(135deg,var(--accent),var(--accent2));
  color:#04122a;font-weight:800;display:grid;place-items:center;align-self:center;font-size:18px;letter-spacing:-.5px}
.login-card label{display:flex;flex-direction:column;gap:5px;font-size:12px;color:var(--ink-dim);margin-top:4px}
.login-card input{background:var(--panel2);border:1px solid var(--line);color:var(--ink);
  border-radius:9px;padding:11px 12px;font-size:14px;outline:none}
.login-card input:focus{border-color:var(--accent)}
.login-card .btn{margin-top:14px;padding:12px;font-size:14px}
.login-err{font-size:12.5px;color:var(--neg);min-height:16px;margin-top:2px}

/* generic hidden (used for swapping login <-> change-password cards) */
.hidden{display:none !important}
.link-btn.center{align-self:center;margin-top:4px;text-align:center}
.hint.tiny{font-size:10.5px;color:var(--ink-dim);font-weight:400}