/* ============================================================
   KERNEL BENCH — DESIGN TOKENS
   ============================================================ */
:root{
  --bg:#F5F6FA;
  --bg-alt:#EDEFF5;
  --surface:#FFFFFF;
  --surface-raised:#FFFFFF;
  --border:#E1E4EC;
  --border-strong:#CBD0DC;
  --text:#181D2A;
  --text-muted:#5C6474;
  --text-faint:#8A91A0;
  --primary:#2454D6;
  --primary-dark:#1A3EA8;
  --primary-light:#EAF0FE;
  --accent:#0E8F82;
  --accent-light:#E4F5F3;
  --warning:#C9791E;
  --warning-light:#FBEEDD;
  --danger:#D8402E;
  --danger-light:#FCEAE7;
  --success:#1C9A63;
  --success-light:#E5F6EE;
  --violet:#7C4FE0;
  --violet-light:#F1EBFD;
  --radius-sm:6px;
  --radius:10px;
  --radius-lg:16px;
  --shadow-sm:0 1px 2px rgba(20,25,45,0.06);
  --shadow:0 2px 10px rgba(20,25,45,0.07);
  --shadow-lg:0 12px 32px rgba(20,25,45,0.12);
  --font-display:'Space Grotesk', sans-serif;
  --font-body:'Inter', sans-serif;
  --font-mono:'JetBrains Mono', monospace;
  --sidebar-w:280px;
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:var(--font-body);
  background:var(--bg);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
::selection{background:var(--primary-light);color:var(--primary-dark);}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:transparent;}
::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:10px;}
::-webkit-scrollbar-thumb:hover{background:var(--text-faint);}

button, select, input{font-family:inherit;}

a{color:var(--primary);}

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

/* ---------- SIDEBAR ---------- */
.sidebar{
  width:var(--sidebar-w);
  flex-shrink:0;
  background:var(--surface);
  border-right:1px solid var(--border);
  height:100vh;
  position:sticky;
  top:0;
  overflow-y:auto;
  display:flex;
  flex-direction:column;
  z-index:40;
}
.brand{
  padding:22px 22px 16px 22px;
  display:flex;
  align-items:center;
  gap:12px;
  border-bottom:1px solid var(--border);
}
.brand-mark{
  width:38px;height:38px;border-radius:10px;
  background:linear-gradient(155deg, var(--primary) 0%, var(--violet) 100%);
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
  box-shadow:0 4px 10px rgba(36,84,214,0.28);
}
.brand-mark svg{width:20px;height:20px;}
.brand-text .name{font-family:var(--font-display);font-weight:700;font-size:16.5px;letter-spacing:-0.01em;line-height:1.1;}
.brand-text .tag{font-size:11px;color:var(--text-faint);font-family:var(--font-mono);letter-spacing:0.02em;margin-top:2px;}

.nav{padding:14px 12px 24px 12px;flex:1;}
.nav-group{margin-bottom:6px;}
.nav-group-label{
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:0.09em;
  text-transform:uppercase;
  color:var(--text-faint);
  padding:14px 10px 6px 10px;
  font-weight:600;
}
.nav-item{
  display:flex;
  align-items:center;
  gap:10px;
  width:100%;
  text-align:left;
  padding:9px 10px;
  border-radius:8px;
  border:none;
  background:transparent;
  color:var(--text-muted);
  font-size:13.5px;
  font-weight:500;
  cursor:pointer;
  transition:background .12s ease, color .12s ease;
  margin-bottom:2px;
}
.nav-item .dot{width:6px;height:6px;border-radius:50%;background:var(--border-strong);flex-shrink:0;transition:background .12s ease, transform .12s ease;}
.nav-item:hover{background:var(--bg-alt);color:var(--text);}
.nav-item.active{background:var(--primary-light);color:var(--primary-dark);font-weight:600;}
.nav-item.active .dot{background:var(--primary);transform:scale(1.3);}

.sidebar-footer{
  padding:14px 20px;border-top:1px solid var(--border);
  font-size:11px;color:var(--text-faint);font-family:var(--font-mono);
}

/* ---------- MAIN ---------- */
.main{flex:1;min-width:0;}
.topbar{
  position:sticky;top:0;z-index:30;
  background:rgba(245,246,250,0.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  padding:14px 36px;
  display:none;
  align-items:center;
  gap:12px;
}
.hamburger{
  width:34px;height:34px;border-radius:8px;border:1px solid var(--border);
  background:var(--surface);display:flex;align-items:center;justify-content:center;cursor:pointer;
}
.content{padding:38px 44px 90px 44px;max-width:1180px;}

.module{display:none;animation:fadeUp .35s ease;}
.module.active{display:block;}
@keyframes fadeUp{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:translateY(0);}}

.module-header{margin-bottom:30px;}
.eyebrow{
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:0.1em;text-transform:uppercase;
  color:var(--primary);font-weight:600;display:flex;align-items:center;gap:8px;margin-bottom:10px;
}
.eyebrow::before{content:'';width:16px;height:1.5px;background:var(--primary);display:inline-block;}
.module-title{font-family:var(--font-display);font-size:30px;font-weight:700;letter-spacing:-0.015em;margin:0 0 10px 0;}
.module-desc{font-size:14.5px;color:var(--text-muted);max-width:720px;line-height:1.6;margin:0;}

/* ---------- SHARED COMPONENTS ---------- */
.panel{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:24px;
  box-shadow:var(--shadow-sm);
  margin-bottom:22px;
}
.panel-title{
  font-family:var(--font-display);font-size:15.5px;font-weight:700;margin:0 0 4px 0;
  display:flex;align-items:center;justify-content:space-between;gap:10px;
}
.panel-sub{font-size:12.5px;color:var(--text-faint);margin:0 0 18px 0;}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
@media (max-width:900px){.grid-2,.grid-3{grid-template-columns:1fr;}}

.field-row{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-end;margin-bottom:16px;}
.field{display:flex;flex-direction:column;gap:6px;}
.field label{font-size:11.5px;font-weight:600;color:var(--text-muted);letter-spacing:0.01em;}
.field input[type=number], .field input[type=text], .field select{
  border:1px solid var(--border-strong);border-radius:8px;padding:8px 10px;font-size:13px;
  background:var(--surface);color:var(--text);min-width:88px;font-family:var(--font-mono);
}
.field input:focus, .field select:focus{outline:2px solid var(--primary-light);border-color:var(--primary);}

.btn{
  border:none;border-radius:8px;padding:9px 16px;font-size:13px;font-weight:600;cursor:pointer;
  transition:transform .08s ease, box-shadow .12s ease, background .12s ease; font-family:var(--font-body);
  display:inline-flex;align-items:center;gap:6px;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 2px 8px rgba(36,84,214,0.28);}
.btn-primary:hover{background:var(--primary-dark);}
.btn-ghost{background:var(--surface);color:var(--text);border:1px solid var(--border-strong);}
.btn-ghost:hover{background:var(--bg-alt);}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:#0b7367;}
.btn-sm{padding:6px 11px;font-size:12px;border-radius:7px;}
.btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.btn:disabled{opacity:.45;cursor:not-allowed;}

table{width:100%;border-collapse:collapse;font-size:13px;}
th{
  text-align:left;font-family:var(--font-mono);font-size:10.5px;text-transform:uppercase;letter-spacing:0.06em;
  color:var(--text-faint);font-weight:600;padding:8px 10px;border-bottom:1.5px solid var(--border-strong);
}
td{padding:8px 10px;border-bottom:1px solid var(--border);font-family:var(--font-mono);}
tr:last-child td{border-bottom:none;}
td input{width:56px;padding:5px 7px;border:1px solid var(--border-strong);border-radius:6px;font-family:var(--font-mono);font-size:12.5px;}

.badge{
  display:inline-flex;align-items:center;gap:5px;padding:3px 9px;border-radius:20px;
  font-size:11px;font-weight:600;font-family:var(--font-mono);
}
.badge-blue{background:var(--primary-light);color:var(--primary-dark);}
.badge-teal{background:var(--accent-light);color:var(--accent);}
.badge-amber{background:var(--warning-light);color:var(--warning);}
.badge-red{background:var(--danger-light);color:var(--danger);}
.badge-green{background:var(--success-light);color:var(--success);}
.badge-violet{background:var(--violet-light);color:var(--violet);}

.stat-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:16px;}
.stat-card{
  flex:1;min-width:130px;background:var(--bg-alt);border-radius:12px;padding:14px 16px;border:1px solid var(--border);
}
.stat-card .stat-label{font-size:10.5px;text-transform:uppercase;letter-spacing:0.06em;color:var(--text-faint);font-family:var(--font-mono);margin-bottom:6px;}
.stat-card .stat-value{font-family:var(--font-display);font-size:22px;font-weight:700;color:var(--text);}
.stat-card .stat-value span{font-size:13px;color:var(--text-faint);font-weight:500;}

.info-box{
  background:var(--primary-light);border-radius:12px;padding:14px 16px;font-size:13px;line-height:1.65;color:var(--primary-dark);
  border:1px solid #D2E0FC;
}
.info-box.amber{background:var(--warning-light);color:#8A5714;border-color:#F2DBB2;}
.info-box.teal{background:var(--accent-light);color:#0b6e64;border-color:#C9E9E5;}

.tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:18px;border-bottom:1px solid var(--border);padding-bottom:0;}
.tab-btn{
  background:transparent;border:none;padding:9px 14px;font-size:12.5px;font-weight:600;color:var(--text-muted);
  cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px;transition:all .12s ease;
}
.tab-btn:hover{color:var(--text);}
.tab-btn.active{color:var(--primary);border-bottom-color:var(--primary);}

/* Process chip — unifying visual element used across modules */
.proc-chip{
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--font-mono);font-weight:600;font-size:12px;
  border-radius:7px;padding:6px 10px;color:#fff;min-width:38px;
  box-shadow:var(--shadow-sm);
}
/* Gantt */
.gantt{display:flex;align-items:stretch;overflow-x:auto;border-radius:10px;margin:14px 0 4px 0;}
.gantt-block{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  min-width:44px;padding:12px 6px;color:#fff;font-family:var(--font-mono);font-weight:700;font-size:12.5px;
  border-right:2px solid var(--surface);position:relative;
}
.gantt-times{display:flex;font-family:var(--font-mono);font-size:10.5px;color:var(--text-faint);}
.gantt-times span{border-right:2px solid transparent;text-align:left;}

.legend{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px;}
.legend-item{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--text-muted);}
.legend-swatch{width:11px;height:11px;border-radius:3px;}

footer.appfoot{padding:30px 44px 60px 44px;color:var(--text-faint);font-size:12px;font-family:var(--font-mono);border-top:1px solid var(--border);margin-top:20px;}

@media (max-width:1000px){
  .sidebar{position:fixed;left:0;top:0;transform:translateX(-100%);transition:transform .2s ease;box-shadow:var(--shadow-lg);}
  .sidebar.open{transform:translateX(0);}
  .topbar{display:flex;}
  .content{padding:26px 20px 80px 20px;}
  .grid-2, .grid-3{grid-template-columns:1fr;}
}
footer.appfoot{
  padding:30px 44px 60px 44px;
  color:var(--text-faint);
  font-size:12px;
  font-family:var(--font-mono);
  border-top:1px solid var(--border);
  margin-top:20px;
  display:flex;
  flex-direction:column;
  gap:8px;
}

.appfoot-main{
  line-height:1.5;
}

.appfoot-credits{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
  color:var(--text-muted);
}

.appfoot-credits a {
  color:var(--primary);
  text-decoration:none;
  font-weight:500;
}

.appfoot-credits a:hover {
  text-decoration:underline;
}

.appfoot-divider {
  color:var(--text-faint);
}

@media (max-width:1000px){
  footer.appfoot{padding:26px 20px 60px 20px;}
}