/* ============================================================================
   ArthAlgo Long-term — Portal styles
   Refined warm-paper financial aesthetic. Matches approved wireframe tokens.
   Responsive: desktop (sidebar) + mobile/tablet (collapsible).
   ============================================================================ */
:root{
  --bg:#FBFAF7; --surface:#FFFFFF; --surface-2:#F4F2EC;
  --border:rgba(0,0,0,0.08); --border-strong:rgba(0,0,0,0.15);
  --text:#1F1D1A; --text-2:#5F5D58; --text-3:#92908B;
  --p-50:#EEEDFE; --p-100:#CECBF6; --p-400:#7F77DD; --p-600:#534AB7; --p-800:#3C3489; --p-900:#26215C;
  --green-50:#EAF3DE; --green-600:#3B6D11; --green-700:#27500A;
  --blue-50:#E6F1FB; --blue-400:#85B7EB; --blue-700:#0C447C;
  --amber-50:#FAEEDA; --amber-700:#854F0B; --amber-900:#412402;
  --red-50:#FCEBEB; --red-600:#A32D2D; --red-900:#501313;
  --mono:'SF Mono','Monaco','Cascadia Code','Roboto Mono',monospace;
  --shadow-card:0 1px 3px rgba(0,0,0,0.04),0 1px 2px rgba(0,0,0,0.03);
  --shadow-pop:0 8px 30px rgba(0,0,0,0.10),0 2px 8px rgba(0,0,0,0.05);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);
  font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  color:var(--text);font-size:13px;line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:var(--p-800);text-decoration:none;cursor:pointer}
button{font-family:inherit}
.mono{font-family:var(--mono)}
.pos{color:var(--green-600)} .neg{color:var(--red-600)}
.hidden{display:none !important}

/* ---- App shell ---- */
.app{display:flex;flex-direction:column;min-height:100vh}
.app-header{padding:10px 20px;border-bottom:1px solid var(--border);background:var(--surface-2);
  display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:50}
.app-brand{display:flex;align-items:center;gap:10px}
.app-brand .name{font-size:17px;font-weight:600;color:var(--p-800);letter-spacing:-0.3px}
.app-brand .pill{background:var(--p-50);color:var(--p-800);padding:2px 7px;border-radius:3px;font-size:10px;font-weight:600}
.app-user{font-size:11px;color:var(--text-2);display:flex;gap:14px;align-items:center}
.app-user b{color:var(--text)}
.health-chip{display:inline-flex;align-items:center;gap:5px;font-size:10px;padding:3px 8px;border-radius:20px;border:1px solid var(--border)}
.health-chip .dot{width:7px;height:7px;border-radius:50%;background:var(--text-3)}
.health-chip.ok .dot{background:#28C840} .health-chip.bad .dot{background:#FF5F57}
.health-chip.warn .dot{background:#FEBC2E}
.icon-btn{background:none;border:1px solid var(--border);border-radius:6px;padding:5px 9px;cursor:pointer;font-size:12px;color:var(--text-2)}
.icon-btn:hover{background:var(--surface)}

.app-body{display:flex;flex:1;min-height:0}
.app-side{width:188px;border-right:1px solid var(--border);padding:16px 10px;background:var(--bg);flex-shrink:0}
.side-h{font-size:10px;color:var(--text-3);text-transform:uppercase;letter-spacing:0.6px;margin:14px 4px 6px}
.side-link{padding:8px 10px;color:var(--text-2);font-size:13px;border-radius:7px;cursor:pointer;display:flex;align-items:center;gap:9px;margin-bottom:2px;transition:background .12s}
.side-link:hover{background:var(--surface)}
.side-link.active{background:var(--p-50);color:var(--p-800);font-weight:600}
.side-link .ico{width:18px;text-align:center;font-size:14px}
.app-main{flex:1;min-width:0;padding:22px 26px;overflow-y:auto;background:radial-gradient(ellipse 80% 50% at 50% -10%,#F3F1FC 0%,var(--bg) 55%)}

/* ---- Page header ---- */
.page-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:18px;gap:16px;flex-wrap:wrap}
.page-head h1{margin:0;font-size:22px;font-weight:600;letter-spacing:-0.4px}
.page-head .sub{font-size:12px;color:var(--text-2);margin-top:3px}
.page-head .endpoint{font-size:10px;color:var(--text-3);font-family:var(--mono);background:var(--surface);border:1px solid var(--border);padding:4px 9px;border-radius:5px}

/* ---- Cards / KPIs ---- */
.grid{display:grid;gap:14px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:16px;box-shadow:var(--shadow-card)}
.card-h{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.card-h h3{margin:0;font-size:14px;font-weight:600}
.card-h a{font-size:11px;color:var(--p-800)}
.kpi{background:var(--surface-2);border-radius:8px;padding:13px}
.kpi .k-l{font-size:10px;color:var(--text-3);text-transform:uppercase;letter-spacing:0.5px}
.kpi .k-v{font-size:22px;font-weight:600;font-family:var(--mono);margin-top:3px;letter-spacing:-0.5px}
.kpi .k-s{font-size:11px;margin-top:3px;color:var(--text-3)}

/* ---- Tables ---- */
table{width:100%;border-collapse:collapse;font-size:12px}
th{text-align:left;font-size:10px;color:var(--text-3);text-transform:uppercase;letter-spacing:0.5px;font-weight:600;padding:8px 10px;border-bottom:1px solid var(--border)}
td{padding:10px;border-bottom:1px solid var(--border);vertical-align:middle}
tr:last-child td{border-bottom:none}
tbody tr{cursor:default}
tbody tr.click{cursor:pointer} tbody tr.click:hover{background:var(--surface-2)}
.num{font-family:var(--mono);text-align:right}

/* ---- Badges ---- */
.badge{display:inline-flex;align-items:center;gap:4px;font-size:10px;font-weight:600;padding:2px 8px;border-radius:20px;border:1px solid transparent;white-space:nowrap}
.badge.kite{background:var(--green-50);color:var(--green-700)}
.badge.ibkr{background:var(--blue-50);color:var(--blue-700)}
.badge.filled{background:var(--green-50);color:var(--green-700)}
.badge.pending{background:var(--amber-50);color:var(--amber-700)}
.badge.cancelled{background:var(--surface-2);color:var(--text-3)}
.badge.rejected{background:var(--red-50);color:var(--red-600)}
.badge.gray{background:var(--surface-2);color:var(--text-2)}

/* ---- Buttons ---- */
.btn{display:inline-flex;align-items:center;gap:5px;font-size:12px;padding:8px 14px;border-radius:6px;cursor:pointer;border:1px solid var(--border-strong);background:var(--surface);color:var(--text);font-weight:600;transition:all .12s}
.btn:hover{background:var(--surface-2)}
.btn.primary{background:var(--p-600);color:#fff;border-color:var(--p-600)}
.btn.primary:hover{background:var(--p-800)}
.btn.green{background:var(--green-600);color:#fff;border-color:var(--green-600)}
.btn.green:hover{background:var(--green-700)}
.btn.red{background:var(--red-600);color:#fff;border-color:var(--red-600)}
.btn.sm{padding:5px 10px;font-size:11px}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-row{display:flex;gap:8px;flex-wrap:wrap}

/* ---- Forms ---- */
label.fld{display:block;margin-bottom:12px}
label.fld .lab{font-size:11px;color:var(--text-2);margin-bottom:4px;display:block;font-weight:600}
input,select,textarea{width:100%;font-family:inherit;font-size:13px;padding:9px 11px;border:1px solid var(--border-strong);border-radius:6px;background:var(--surface);color:var(--text)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--p-400);box-shadow:0 0 0 3px var(--p-50)}
.seg{display:inline-flex;border:1px solid var(--border-strong);border-radius:6px;overflow:hidden}
.seg button{background:var(--surface);border:none;padding:7px 13px;font-size:12px;cursor:pointer;color:var(--text-2);border-right:1px solid var(--border)}
.seg button:last-child{border-right:none}
.seg button.on{background:var(--p-600);color:#fff;font-weight:600}
.seg.buy button.on{background:var(--green-600)} .seg.sell button.on{background:var(--red-600)}

/* ---- Auth screen ---- */
.auth-wrap{min-height:100vh;display:grid;grid-template-columns:1fr 1fr}
.auth-art{background:linear-gradient(150deg,#26215C,#3C3489 60%,#534AB7);color:#fff;padding:54px 48px;display:flex;flex-direction:column;justify-content:space-between}
.auth-art .big{font-size:30px;font-weight:600;line-height:1.25;letter-spacing:-0.6px}
.auth-art .pts{font-size:13px;color:#CECBF6;line-height:2}
.auth-form{display:flex;align-items:center;justify-content:center;padding:40px}
.auth-card{width:100%;max-width:360px}
.auth-card h2{font-size:20px;font-weight:600;margin:0 0 4px}
.auth-card .sub{color:var(--text-2);font-size:12px;margin-bottom:22px}

/* ---- Misc ---- */
.flex{display:flex} .between{justify-content:space-between} .center{items:center;align-items:center}
.gap-6{gap:6px}.gap-8{gap:8px}.gap-12{gap:12px}.gap-16{gap:16px}
.mb8{margin-bottom:8px}.mb14{margin-bottom:14px}.mb20{margin-bottom:20px}.mt8{margin-top:8px}.mt14{margin-top:14px}
.f10{font-size:10px}.f11{font-size:11px}.f12{font-size:12px}.txt-2{color:var(--text-2)}.txt-3{color:var(--text-3)}
.wrap{flex-wrap:wrap}
.banner{padding:11px 15px;border-radius:8px;font-size:12px;display:flex;align-items:center;gap:10px;margin-bottom:16px;border:1px solid}
.banner.warn{background:var(--amber-50);border-color:#E8C893;color:var(--amber-900)}
.banner.bad{background:var(--red-50);border-color:#E5B3B3;color:var(--red-900)}
.banner.ok{background:var(--green-50);border-color:#BBD79A;color:var(--green-700)}
.banner.info{background:var(--blue-50);border-color:#B6D6F2;color:var(--blue-700)}
.banner .grow{flex:1}

/* ---- Guard / empty states ---- */
.guard{max-width:520px;margin:30px auto;text-align:center;padding:30px}
.guard .lock{font-size:40px;margin-bottom:14px}
.guard h2{font-size:18px;margin:0 0 8px}
.guard p{color:var(--text-2);font-size:13px;margin:0 auto 18px;max-width:400px}
.empty{padding:36px;text-align:center;color:var(--text-3);font-size:13px}
.spinner{display:inline-block;width:16px;height:16px;border:2px solid var(--p-100);border-top-color:var(--p-600);border-radius:50%;animation:spin .7s linear infinite;vertical-align:middle}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---- Modal ---- */
.modal-bg{position:fixed;inset:0;background:rgba(31,29,26,0.4);display:flex;align-items:center;justify-content:center;z-index:200;padding:20px}
.modal{background:var(--surface);border-radius:12px;box-shadow:var(--shadow-pop);max-width:480px;width:100%;max-height:88vh;overflow:auto}
.modal-h{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}
.modal-h h3{margin:0;font-size:16px;font-weight:600}
.modal-b{padding:20px}
.modal-f{padding:14px 20px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:8px}

/* ---- Toast ---- */
.toasts{position:fixed;bottom:20px;right:20px;z-index:300;display:flex;flex-direction:column;gap:8px}
.toast{background:var(--text);color:#fff;padding:11px 16px;border-radius:8px;font-size:12px;box-shadow:var(--shadow-pop);min-width:240px;animation:slidein .25s ease;display:flex;align-items:center;gap:8px}
.toast.ok{background:var(--green-700)} .toast.bad{background:var(--red-600)} .toast.warn{background:var(--amber-700)}
@keyframes slidein{from{transform:translateX(20px);opacity:0}to{transform:none;opacity:1}}

/* ---- Stock detail / order ticket ---- */
.detail-grid{display:grid;grid-template-columns:1fr 380px;gap:18px;align-items:start}
.quote-big{font-size:32px;font-weight:600;font-family:var(--mono);letter-spacing:-1px}
.kv{display:flex;justify-content:space-between;padding:6px 0;border-bottom:1px solid var(--border);font-size:12px}
.kv:last-child{border:none}.kv .k{color:var(--text-2)}.kv .v{font-family:var(--mono)}
.ticket{position:sticky;top:84px}
.cost{background:var(--surface-2);border-radius:8px;padding:12px;margin-top:12px;font-size:12px}
.cost .row{display:flex;justify-content:space-between;padding:3px 0}
.cost .row.total{border-top:1px solid var(--border-strong);margin-top:6px;padding-top:8px;font-weight:600}

/* ---- Markets grid ---- */
.mkt-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.mkt-card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:14px;cursor:pointer;transition:all .12s}
.mkt-card:hover{border-color:var(--p-400);box-shadow:var(--shadow-card)}
.mkt-card.selected{border-color:var(--p-600);background:var(--p-50)}
.mkt-flag{font-size:22px}

/* ---- Research tabs ---- */
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:16px}
.tab{padding:9px 14px;font-size:12px;cursor:pointer;color:var(--text-2);border-bottom:2px solid transparent;font-weight:600}
.tab.on{color:var(--p-800);border-bottom-color:var(--p-600)}
.ai-out{background:var(--surface-2);border-radius:8px;padding:16px;font-size:13px;line-height:1.65;white-space:pre-wrap;min-height:120px}

/* ---- Responsive ---- */
.menu-toggle{display:none}
@media (max-width:880px){
  .app-side{position:fixed;left:0;top:53px;bottom:0;z-index:40;transform:translateX(-100%);transition:transform .2s;box-shadow:var(--shadow-pop)}
  .app-side.open{transform:none}
  .menu-toggle{display:inline-flex}
  .app-main{padding:16px}
  .detail-grid{grid-template-columns:1fr}
  .ticket{position:static}
  .auth-wrap{grid-template-columns:1fr}
  .auth-art{display:none}
}
@media (max-width:560px){
  .page-head h1{font-size:18px}
  .app-user .hide-sm{display:none}
}