/* ============================================================
   AI Token Hub — Design System
   Palette: refined indigo (primary) + violet (accent) on cool slate
   Theming: light (default) / dark ([data-theme="dark"])
   Token-first: all values reference CSS custom properties.
   ============================================================ */

/* ---------- Design Tokens (Light) ---------- */
:root{
  /* Neutrals — cool slate, never pure black/white */
  --bg:           #f6f7fb;
  --bg-grad:       linear-gradient(180deg, #f4f3fd 0%, #eef0f9 100%);
  --surface:       #ffffff;
  --surface-2:     #f6f7fc;
  --surface-3:     #eef0f8;
  --ink:           #0f1226;
  --ink-2:         #3b4061;
  --muted:         #6b7290;
  --muted-2:       #939ab3;
  --line:          #e7e9f4;
  --line-strong:   #d7dbeb;

  /* Brand — indigo primary, violet accent (used sparingly) */
  --brand:         #4f46e5;
  --brand-600:     #4338ca;
  --brand-700:     #3730a3;
  --brand-400:     #6d6afc;
  --brand-300:     #a5b4fc;
  --brand-100:     #eef0ff;
  --brand-50:      #f6f7ff;
  --accent:        #8b5cf6;
  --accent-600:    #7c3aed;
  --brand-grad:     linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);

  /* Semantic */
  --ok:            #0f9d6b;
  --ok-600:        #059669;
  --ok-bg:         #e7f8f0;
  --warn:          #d97706;
  --warn-600:      #b45309;
  --warn-bg:        #fef3e2;
  --danger:        #e5484d;
  --danger-600:    #dc2626;
  --danger-bg:     #fdeced;
  --info:           #4f46e5;

  /* Radii */
  --r-xs: 6px;
  --r-sm: 9px;
  --r:    12px;
  --r-lg: 16px;
  --r-xl: 20px;
  --r-pill: 999px;

  /* Spacing scale (4px base) */
  --s-1: 4px;  --s-2: 8px;  --s-3: 12px; --s-4: 16px;
  --s-5: 20px; --s-6: 24px; --s-8: 32px; --s-10: 40px; --s-12: 48px;

  /* Shadows — indigo-tinted, layered */
  --shadow-xs: 0 1px 2px rgba(15,18,38,.05);
  --shadow-sm: 0 1px 3px rgba(15,18,38,.06), 0 1px 2px rgba(15,18,38,.04);
  --shadow:    0 2px 8px rgba(15,18,38,.06), 0 6px 20px rgba(15,18,38,.05);
  --shadow-lg: 0 12px 32px rgba(15,18,38,.10), 0 4px 12px rgba(15,18,38,.06);
  --shadow-brand: 0 6px 18px rgba(79,70,229,.28);

  /* Typography */
  --font: "Inter", -apple-system, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --ring: 0 0 0 3px rgba(99,102,241,.32);
  --ease: cubic-bezier(.22,.61,.36,1);
}

/* ---------- Design Tokens (Dark) ---------- */
[data-theme="dark"]{
  --bg:           #0a0c1a;
  --bg-grad:       radial-gradient(1200px 600px at 80% -10%, #171a33 0%, #0a0c1a 60%);
  --surface:       #13162a;
  --surface-2:     #181c33;
  --surface-3:     #1e2340;
  --ink:           #eef0fb;
  --ink-2:         #b7bbed;
  --muted:         #828ab3;
  --muted-2:       #6b729a;
  --line:          #262b47;
  --line-strong:   #333a5e;

  --brand:         #818cf8;
  --brand-600:     #6366f1;
  --brand-700:     #4f46e5;
  --brand-400:     #a5b4fc;
  --brand-300:     #c4b5fd;
  --brand-100:     #1d2142;
  --brand-50:      #14172b;
  --accent:        #a78bfa;
  --accent-600:    #8b5cf6;
  --brand-grad:     linear-gradient(135deg, #818cf8 0%, #a78bfa 100%);

  --ok:            #34d399;
  --ok-600:        #10b981;
  --ok-bg:         #0f2e25;
  --warn:          #fbbf24;
  --warn-600:      #f59e0b;
  --warn-bg:        #2e2410;
  --danger:        #f87171;
  --danger-600:    #ef4444;
  --danger-bg:     #2e1518;

  --shadow-xs: 0 1px 2px rgba(0,0,0,.4);
  --shadow-sm: 0 1px 3px rgba(0,0,0,.45);
  --shadow:    0 4px 16px rgba(0,0,0,.5);
  --shadow-lg: 0 16px 40px rgba(0,0,0,.6);
  --shadow-brand: 0 6px 20px rgba(99,102,241,.4);
  --ring: 0 0 0 3px rgba(129,140,248,.4);
}

*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{
  font:14px/1.55 var(--font);
  background:var(--bg);
  background-image:var(--bg-grad);
  background-attachment:fixed;
  color:var(--ink);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  transition:background-color .3s var(--ease), color .3s var(--ease);
}
::selection{background:var(--brand-100);color:var(--brand-700)}
a{color:var(--brand);text-decoration:none}
:focus-visible{outline:none;box-shadow:var(--ring);border-radius:var(--r-xs)}

/* ============================================================
   APP SHELL
   ============================================================ */
.layout{display:flex;min-height:100vh}

/* Sidebar */
aside{
  width:256px;flex:none;display:flex;flex-direction:column;
  background:var(--surface);
  border-right:1px solid var(--line);
  position:sticky;top:0;height:100vh;
  transition:background-color .3s var(--ease), border-color .3s var(--ease);
}
.brand{padding:22px 22px 18px;}
.brand .logo{
  font-weight:800;font-size:17px;letter-spacing:-.4px;color:var(--ink);
  display:flex;align-items:center;gap:11px;
}
.brand .logo::before{
  content:"";width:30px;height:30px;border-radius:9px;flex:none;
  background:var(--brand-grad);
  box-shadow:var(--shadow-brand);
  position:relative;
}
.brand .logo::after{
  content:"";position:absolute;left:30px;width:13px;height:13px;border-radius:4px;
  background:rgba(255,255,255,.92);
  transform:translate(5px,5px) rotate(12deg);
  -webkit-mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M12 2l2.5 6.5L21 9l-5 4.5L17.5 21 12 17l-5.5 4L8 13.5 3 9l6.5-.5z' fill='black'/></svg>") center/contain no-repeat;
          mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M12 2l2.5 6.5L21 9l-5 4.5L17.5 21 12 17l-5.5 4L8 13.5 3 9l6.5-.5z' fill='black'/></svg>") center/contain no-repeat;
}
.brand .tag{font-size:11px;color:var(--muted);margin-top:7px;padding-left:41px;font-weight:500}

nav#nav{flex:1;padding:8px 14px;display:flex;flex-direction:column;gap:3px;overflow-y:auto}
.nav-label{
  font-size:10.5px;font-weight:700;letter-spacing:.7px;text-transform:uppercase;
  color:var(--muted-2);padding:14px 14px 6px;
}
nav#nav a{
  padding:10px 14px;margin:0 2px;border-radius:var(--r-sm);
  color:var(--muted);font-size:13.5px;font-weight:500;
  display:flex;align-items:center;gap:11px;transition:.16s var(--ease);
}
nav#nav a:hover{background:var(--surface-3);color:var(--ink)}
nav#nav a.active{
  background:var(--brand-50);color:var(--brand-700);font-weight:600;
}
nav#nav a.active svg{color:var(--brand)}
nav#nav a svg{width:17px;height:17px;flex:none;color:var(--muted-2);transition:.16s var(--ease)}
nav#nav a#logout{color:var(--danger-600);margin-top:auto;margin-bottom:4px}
nav#nav a#logout:hover{background:var(--danger-bg)}
nav#nav a#logout svg{color:var(--danger)}

/* Topbar */
.topbar{
  height:66px;background:color-mix(in srgb, var(--surface) 86%, transparent);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  padding:0 28px;position:sticky;top:0;z-index:20;gap:16px;
}
.topbar .page{display:flex;flex-direction:column;gap:1px;min-width:0}
.topbar .page h1{font-size:16.5px;margin:0;font-weight:700;letter-spacing:-.2px;white-space:nowrap}
.topbar .page .crumb{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar .right{display:flex;align-items:center;gap:12px;margin-left:auto}
.user-pill{
  background:var(--brand-50);color:var(--brand-700);
  padding:6px 13px;border-radius:var(--r-pill);font-weight:600;font-size:12.5px;
  border:1px solid color-mix(in srgb, var(--brand) 18%, transparent);
  display:inline-flex;align-items:center;gap:7px;max-width:240px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.user-pill .dot{width:7px;height:7px;border-radius:50%;background:var(--ok);flex:none}

/* Theme toggle */
.theme-toggle{
  width:38px;height:38px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:var(--surface);color:var(--muted);cursor:pointer;display:grid;place-items:center;
  transition:.18s var(--ease);
}
.theme-toggle:hover{color:var(--brand);border-color:var(--brand-300);background:var(--brand-50)}
.theme-toggle svg{width:18px;height:18px}

main#main{flex:1;min-width:0;overflow:auto}
.content{padding:28px 30px 48px}

/* ============================================================
   CARDS / KPIs
   ============================================================ */
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(212px,1fr));gap:18px;margin-bottom:26px}
.kpi{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-sm);padding:20px 22px;position:relative;overflow:hidden;
  transition:.22s var(--ease);
}
.kpi:hover{box-shadow:var(--shadow);transform:translateY(-2px);border-color:var(--line-strong)}
.kpi::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--brand)}
.kpi.k-red::before{background:var(--danger)}
.kpi.k-green::before{background:var(--ok)}
.kpi.k-violet::before{background:var(--accent)}
.kpi.k-purple::before{background:var(--accent)}
.kpi .top{display:flex;align-items:center;justify-content:space-between;gap:8px}
.kpi .ic{width:34px;height:34px;border-radius:10px;background:var(--brand-50);color:var(--brand);display:grid;place-items:center}
.kpi .ic svg{width:18px;height:18px}
.kpi .ic.r{background:var(--danger-bg);color:var(--danger)}
.kpi .ic.g{background:var(--ok-bg);color:var(--ok)}
.kpi .ic.v{background:color-mix(in srgb,var(--accent) 16%,transparent);color:var(--accent-600)}
.kpi .v{font-size:27px;font-weight:800;letter-spacing:-.6px;margin-top:14px;line-height:1}
.kpi .l{color:var(--muted);font-size:12.5px;margin-top:6px}
.kpi .d{font-size:11.5px;color:var(--muted-2);margin-top:8px}
.kpi .spark{margin-top:12px;height:30px;display:flex;align-items:flex-end;gap:3px}
.kpi .spark i{flex:1;background:var(--brand-100);border-radius:3px;display:block;min-height:3px}

/* ============================================================
   SECTION HEADER / TOOLBAR
   ============================================================ */
.sec-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:30px 0 14px}
.sec-head:first-child{margin-top:2px}
.sec-head h2{font-size:18.5px;margin:0;font-weight:700;letter-spacing:-.3px}
.sec-head .desc{font-size:12.5px;color:var(--muted);margin-top:3px}
.sec-head .actions{display:flex;gap:10px;flex-wrap:wrap}
.toolbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:6px 0 16px}
.toolbar .hint{font-size:12.5px;color:var(--muted)}
.toolbar.bulk-bar{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:11px 16px;box-shadow:var(--shadow-sm)}
.cb{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:600;cursor:pointer;color:var(--ink-2)}
.col-sel{width:48px;text-align:center}
th.col-sel,td.col-sel{text-align:center}

/* ============================================================
   CHARTS
   ============================================================ */
.charts{display:grid;grid-template-columns:repeat(auto-fit,minmax(330px,1fr));gap:20px;margin-bottom:22px}
.chart-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-sm);padding:18px 20px}
.chart-card h4{margin:0 0 14px;font-size:13.5px;font-weight:700;display:flex;align-items:center;justify-content:space-between}
.chart-card h4 .meta{font-size:11.5px;font-weight:500;color:var(--muted)}
.xlabels{display:flex;justify-content:space-between;margin-top:8px;font-size:10px;color:var(--muted-2);font-family:var(--mono)}

/* ============================================================
   PANELS / TABLES
   ============================================================ */
.panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-sm);overflow:hidden;margin-bottom:22px;
  transition:.22s var(--ease);
}
.panel:hover{box-shadow:var(--shadow)}
.panel-head{padding:15px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px}
.panel-head h3{font-size:14px;margin:0;font-weight:700}
.panel-head .muted{font-size:12px;color:var(--muted)}
.panel-body{padding:20px}
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{padding:13px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle}
th{
  background:var(--surface-2);color:var(--muted);font-weight:600;font-size:11.5px;
  text-transform:uppercase;letter-spacing:.5px;
}
tr:hover td{background:var(--surface-2)}
tr:last-child td{border-bottom:none}
tbody tr{transition:background .12s var(--ease)}
.cell-mono{font-family:var(--mono);font-size:12px;color:var(--ink-2)}
.empty{text-align:center;padding:46px 20px;color:var(--muted)}
.empty svg{width:46px;height:46px;margin-bottom:12px;opacity:.5;color:var(--muted-2)}
.empty .t{font-weight:600;color:var(--ink-2);font-size:14px;margin-bottom:4px}
.empty .s{font-size:12.5px}

/* ============================================================
   FORMS
   ============================================================ */
.form-inline{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-end}
.form-inline input,.form-inline select,.form-inline textarea{
  padding:10px 13px;border:1px solid var(--line-strong);border-radius:var(--r-sm);
  font-size:13px;min-width:180px;background:var(--surface);color:var(--ink);outline:none;transition:.16s var(--ease);font-family:var(--font);
}
.form-inline input:focus,.form-inline select:focus,.form-inline textarea:focus{border-color:var(--brand);box-shadow:var(--ring)}
.form-inline input::placeholder{color:var(--muted-2)}
.form-inline .hint{width:100%;font-size:12.5px;color:var(--muted);margin:-4px 0 4px}
.form-block{display:flex;flex-direction:column;gap:7px}
.form-block label{font-size:11.5px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.5px}
.form-block input,.form-block select,.form-block textarea{
  padding:11px 13px;border:1px solid var(--line-strong);border-radius:var(--r-sm);
  font-size:13.5px;background:var(--surface);color:var(--ink);outline:none;transition:.16s var(--ease);font-family:var(--font);width:100%;
}
.form-block input:focus,.form-block select:focus,.form-block textarea:focus{border-color:var(--brand);box-shadow:var(--ring)}
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-bottom:16px}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn{
  display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:var(--r-sm);
  border:1px solid transparent;font-size:13px;font-weight:600;font-family:var(--font);
  cursor:pointer;transition:.16s var(--ease);user-select:none;white-space:nowrap;
}
.btn svg{width:15px;height:15px}
.btn-primary{background:var(--brand);color:#fff;border-color:var(--brand);box-shadow:var(--shadow-xs)}
.btn-primary:hover{background:var(--brand-600);transform:translateY(-1px);box-shadow:var(--shadow-brand)}
.btn-primary:active{transform:translateY(0)}
.btn-secondary{background:var(--surface);color:var(--ink);border-color:var(--line-strong)}
.btn-secondary:hover{background:var(--surface-3);border-color:var(--muted-2)}
.btn-danger{background:var(--danger-bg);color:var(--danger-600);border-color:color-mix(in srgb,var(--danger) 22%,transparent)}
.btn-danger:hover{background:color-mix(in srgb,var(--danger) 14%,transparent)}
.btn-ghost{background:transparent;color:var(--muted);border-color:transparent}
.btn-ghost:hover{background:var(--surface-3);color:var(--ink)}
.btn-sm{padding:6px 11px;font-size:12px;border-radius:var(--r-xs)}
.btn-lg{padding:12px 22px;font-size:14.5px}
.btn:disabled{opacity:.55;cursor:not-allowed;pointer-events:none;transform:none!important;box-shadow:none!important}
.btn .spin{width:14px;height:14px;border:2px solid rgba(255,255,255,.35);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;display:none}
.btn.loading .spin{display:inline-block}

/* ============================================================
   BADGES
   ============================================================ */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:var(--r-pill);font-size:11.5px;font-weight:600}
.badge-green{background:var(--ok-bg);color:var(--ok-600)}
.badge-red{background:var(--danger-bg);color:var(--danger-600)}
.badge-yellow{background:var(--warn-bg);color:var(--warn-600)}
.badge-violet{background:color-mix(in srgb,var(--accent) 16%,transparent);color:var(--accent-600)}
.badge-gray{background:var(--surface-3);color:var(--muted);border:1px solid var(--line)}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;flex:none}

/* ============================================================
   KEY BOX / QUOTA
   ============================================================ */
.keybox{
  background:linear-gradient(135deg,var(--warn-bg),color-mix(in srgb,var(--warn) 8%,var(--surface)));
  border:1px solid color-mix(in srgb,var(--warn) 30%,transparent);
  border-radius:var(--r);padding:14px 16px;margin:16px 0;color:var(--warn-600);
}
.keybox .title{font-weight:700;margin-bottom:8px;display:flex;align-items:center;gap:8px}
.keybox .key{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.keybox code{flex:1;background:var(--surface);border:1px solid color-mix(in srgb,var(--warn) 24%,transparent);border-radius:var(--r-sm);padding:10px 13px;font-family:var(--mono);font-size:13px;word-break:break-all;color:var(--ink)}

.quota-bar{margin:4px 0 14px}
.qb-track{height:9px;background:var(--surface-3);border-radius:var(--r-pill);overflow:hidden}
.qb-fill{height:100%;border-radius:var(--r-pill);transition:width .35s var(--ease)}
.qb-fill.ok{background:linear-gradient(90deg,var(--ok),color-mix(in srgb,var(--ok) 60%,var(--brand)))}
.qb-fill.warn{background:var(--warn)}
.qb-fill.over{background:var(--danger)}
.qb-hint{font-size:12px;margin-top:5px;color:var(--muted)}
.qb-hint.warn{color:var(--warn-600)}
.qb-hint.over{color:var(--danger-600);font-weight:600}

/* ============================================================
   TOAST
   ============================================================ */
#toast{position:fixed;top:20px;right:20px;z-index:1000;display:flex;flex-direction:column;gap:10px}
.toast{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow-lg);
  padding:13px 16px;min-width:264px;max-width:380px;display:flex;align-items:flex-start;gap:12px;
  animation:slideIn .26s var(--ease);
}
.toast.ok{border-left:3px solid var(--ok)}
.toast.err{border-left:3px solid var(--danger)}
.toast .ic{width:18px;height:18px;flex:none;margin-top:1px}
.toast.ok .ic{color:var(--ok)}
.toast.err .ic{color:var(--danger)}
.toast .tx{flex:1;font-size:13px;font-weight:500}
.toast .close{margin-left:auto;color:var(--muted);cursor:pointer;font-size:16px;line-height:1}
.toast .close:hover{color:var(--ink)}

/* ============================================================
   FILE-OPEN WARNING
   ============================================================ */
.file-warning{display:none;min-height:100vh;align-items:center;justify-content:center;padding:40px;text-align:center;background:var(--bg-grad)}
.file-warning.active{display:flex}
.file-warning .card{background:var(--surface);color:var(--ink);max-width:480px;border-radius:var(--r-lg);padding:36px;box-shadow:var(--shadow-lg);text-align:left;border:1px solid var(--line)}
.file-warning h2{margin:0 0 10px;font-size:21px}
.file-warning p{color:var(--muted);margin:0 0 20px;line-height:1.7}
.file-warning code{background:var(--surface-3);padding:10px 12px;border-radius:var(--r-sm);display:block;font-size:13px;word-break:break-all;margin-bottom:12px;border:1px solid var(--line);font-family:var(--mono)}
.file-warning .btn-primary{display:inline-flex}

/* ============================================================
   MODAL
   ============================================================ */
.modal-backdrop{position:fixed;inset:0;background:rgba(10,12,26,.5);backdrop-filter:blur(3px);display:none;align-items:center;justify-content:center;z-index:900;animation:fadeIn .18s ease}
.modal-backdrop.active{display:flex}
.modal{background:var(--surface);border-radius:var(--r-lg);box-shadow:var(--shadow-lg);width:440px;max-width:92%;padding:24px;border:1px solid var(--line);animation:popIn .22s var(--ease)}
.modal h3{margin:0 0 8px;font-size:16.5px}
.modal p{margin:0 0 20px;color:var(--muted);font-size:13.5px;line-height:1.65}
.modal-actions{display:flex;justify-content:flex-end;gap:10px}

/* ============================================================
   LOGIN
   ============================================================ */
.login-wrap{display:flex;min-height:100vh;align-items:center;justify-content:center;padding:24px;
  background:
    radial-gradient(900px 500px at 15% 10%, color-mix(in srgb,var(--brand) 12%,transparent), transparent 60%),
    radial-gradient(800px 480px at 90% 90%, color-mix(in srgb,var(--accent) 12%,transparent), transparent 60%),
    var(--bg-grad);
}
.login-card{background:var(--surface);border-radius:var(--r-xl);box-shadow:var(--shadow-lg);width:408px;max-width:100%;overflow:hidden;border:1px solid var(--line)}
.login-header{padding:36px 34px 26px;text-align:center;border-bottom:1px solid var(--line);background:var(--surface-2)}
.login-header .brand-logo{width:52px;height:52px;border-radius:14px;background:var(--brand-grad);margin:0 auto 16px;box-shadow:var(--shadow-brand);position:relative}
.login-header .brand-logo::after{content:"";position:absolute;inset:0;background:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M12 3l2.2 5.8L20 9.5l-4.3 4 1.6 6L12 17l-5.3 3.5 1.6-6L4 9.5l5.8-.7z' fill='white'/></svg>") center/26px no-repeat}
.login-header h1{margin:0;font-size:22px;letter-spacing:-.4px}
.login-header p{margin:9px 0 0;color:var(--muted);font-size:13px;display:flex;align-items:center;justify-content:center;gap:6px}
.login-tabs{display:flex;background:var(--surface-3)}
.login-tabs button{flex:1;padding:14px;border:none;background:transparent;color:var(--muted);font-size:14px;font-weight:600;cursor:pointer;border-bottom:2px solid transparent;font-family:var(--font);transition:.16s var(--ease)}
.login-tabs button.active{color:var(--brand-700);border-bottom-color:var(--brand);background:var(--surface)}
.login-body{padding:28px 32px 30px}
.login-body label{display:block;font-size:12px;font-weight:600;color:var(--muted);margin:0 0 7px;text-transform:uppercase;letter-spacing:.4px}
.login-body input{width:100%;padding:12px 14px;border:1px solid var(--line-strong);border-radius:var(--r-sm);margin-bottom:16px;font-size:14px;outline:none;background:var(--surface);color:var(--ink);font-family:var(--font);transition:.16s var(--ease)}
.login-body input:focus{border-color:var(--brand);box-shadow:var(--ring)}
.login-body button[type=submit]{width:100%;padding:13px;border-radius:var(--r-sm);font-size:15px}
.login-body .msg{color:var(--danger-600);font-size:13px;min-height:18px;margin-top:-8px;margin-bottom:8px;font-weight:500}
.login-body .extra{margin-top:18px;padding-top:18px;border-top:1px solid var(--line);font-size:12px;color:var(--muted);line-height:1.7}
.login-body .extra code{background:var(--surface-3);padding:2px 7px;border-radius:var(--r-xs);font-family:var(--mono);border:1px solid var(--line)}

/* ============================================================
   EDITION BADGE (personal / business)
   ============================================================ */
.edition-badge{display:inline-block;font-size:11px;font-weight:700;padding:3px 9px;border-radius:var(--r-pill);vertical-align:middle;margin-left:6px}
.edition-pill{margin-left:8px}
.ed-personal{background:color-mix(in srgb,var(--accent) 16%,transparent);color:var(--accent-600);border:1px solid color-mix(in srgb,var(--accent) 28%,transparent)}
.ed-business{background:var(--brand-50);color:var(--brand-700);border:1px solid color-mix(in srgb,var(--brand) 20%,transparent)}

/* ============================================================
   SKELETON
   ============================================================ */
.skeleton{height:16px;background:linear-gradient(90deg,var(--surface-3) 25%,var(--surface-2) 50%,var(--surface-3) 75%);background-size:200% 100%;animation:shimmer 1.2s infinite;border-radius:6px;margin-bottom:12px}

@keyframes spin{to{transform:rotate(360deg)}}
@keyframes shimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}
@keyframes slideIn{from{opacity:0;transform:translateX(18px)}to{opacity:1;transform:translateX(0)}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes popIn{from{opacity:0;transform:scale(.97) translateY(6px)}to{opacity:1;transform:scale(1) translateY(0)}}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;transition-duration:.001ms!important}
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:860px){
  aside{position:fixed;left:0;top:0;z-index:50;transform:translateX(-100%);transition:transform .25s var(--ease);box-shadow:var(--shadow-lg)}
  aside.open{transform:translateX(0)}
  .content{padding:20px 16px 40px}
  .topbar{padding:0 16px}
  .topbar .page .crumb{display:none}
  .kpi .v{font-size:24px}
}
@media (max-width:560px){
  .kpi{padding:16px}
  th,td{padding:11px 12px}
  .login-header,.login-body{padding-left:24px;padding-right:24px}
}