:root{
  --bg:#f6f8fc;
  --bg2:#eef2ff;
  --card:#ffffffd9;
  --solid:#ffffff;
  --text:#0f172a;
  --muted:#64748b;
  --line:#dbe3ef;
  --shadow:0 12px 34px rgba(15,23,42,.08);
  --shadow-sm:0 6px 18px rgba(15,23,42,.06);
  --radius:24px;
  --dark:#0f172a;
  --accent:#312e81;
  --success:#065f46;
  --warn-bg:#fff7ed;
  --warn-line:#fed7aa;
  --warn-text:#9a3412;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:Inter,Arial,Helvetica,sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at top left, rgba(99,102,241,.12), transparent 28%),
    radial-gradient(circle at top right, rgba(14,165,233,.10), transparent 24%),
    linear-gradient(to bottom,#f8fafc,#eef2ff 70%,#f8fafc);
}
button,input,select,textarea{font:inherit}
button{
  border:1px solid var(--line);
  background:#fff;
  color:var(--text);
  border-radius:16px;
  padding:10px 14px;
  font-weight:600;
  cursor:pointer;
  box-shadow:var(--shadow-sm);
}
button.primary{background:#0f172a;color:#fff;border-color:#0f172a}
button.ghost{background:transparent;box-shadow:none}
input,select,textarea{
  width:100%;
  padding:12px 14px;
  border:1px solid var(--line);
  border-radius:14px;
  background:#fff;
  color:var(--text);
}
textarea{min-height:120px;resize:vertical}
.app-shell{
  min-height:100vh;
  display:grid;
  grid-template-columns:320px 1fr;
}
.sidebar{
  background:linear-gradient(180deg,#020617,#0f172a 55%,#1e1b4b);
  color:#fff;
  padding:24px 18px;
  position:sticky;
  top:0;
  height:100vh;
  overflow:auto;
  border-right:1px solid rgba(255,255,255,.08);
}
.brand{display:flex;align-items:center;gap:12px;margin-bottom:22px}
.brand-mark{
  width:44px;height:44px;border-radius:14px;
  background:linear-gradient(135deg,#4f46e5,#06b6d4);
  display:grid;place-items:center;font-weight:800;
}
.brand small{display:block;color:#cbd5e1;letter-spacing:.12em;text-transform:uppercase}
.brand strong{display:block;font-size:22px}
.sidebar .hint{
  color:#cbd5e1;
  font-size:13px;
  line-height:1.55;
  margin:0 0 18px;
}
.sidebar-nav{display:grid;gap:8px}
.sidebar-nav button{
  width:100%;
  text-align:left;
  border-radius:18px;
  border:1px solid rgba(255,255,255,.08);
  background:rgba(255,255,255,.06);
  color:#fff;
  box-shadow:none;
}
.sidebar-nav button.active{
  background:#fff;
  color:#0f172a;
  border-color:#fff;
}
.sidebar-footer{
  margin-top:22px;
  padding:16px;
  border-radius:20px;
  border:1px solid rgba(255,255,255,.08);
  background:rgba(255,255,255,.06);
}
.main{
  padding:20px;
}
.card{
  background:var(--card);
  backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.65);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.section{padding:20px}
.toolbar{display:flex;justify-content:space-between;align-items:center;gap:14px}
.title{font-size:22px;font-weight:700}
.sub{font-size:13px;color:var(--muted);line-height:1.55}
.topbar{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:18px;
  margin-bottom:20px;
}
.workspace-pills{display:flex;gap:10px;flex-wrap:wrap}
.workspace-pill{
  padding:10px 14px;border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  font-size:13px;font-weight:700;
}
.workspace-pill.active{background:#0f172a;color:#fff;border-color:#0f172a}
.profile{
  display:flex;align-items:center;gap:12px;
  padding:12px 14px;border-radius:20px;
  background:#fff;border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
}
.profile img,.avatar{
  width:44px;height:44px;border-radius:50%;
  object-fit:cover;background:#dbeafe;
}
.profile-meta{line-height:1.2}
.profile-meta strong{display:block}
.profile-meta span{display:block;font-size:12px;color:var(--muted)}
.layout{
  display:grid;
  grid-template-columns:340px 1fr;
  gap:22px;
}
.project-panel .panel-head{
  padding:22px;
  background:linear-gradient(135deg,#020617,#1e1b4b);
  color:#fff;
  border-top-left-radius:var(--radius);
  border-top-right-radius:var(--radius);
}
.project-list{padding:18px;display:grid;gap:12px;max-height:calc(100vh - 300px);overflow:auto}
.project-card{
  border:1px solid var(--line);
  border-radius:20px;
  padding:14px;
  background:rgba(255,255,255,.92);
  cursor:pointer;
  transition:.18s ease;
}
.project-card:hover{transform:translateY(-1px)}
.project-card.active{
  background:#0f172a;
  color:#fff;
  border-color:#0f172a;
}
.project-card .meta{
  font-size:12px;
  color:var(--muted);
  margin-top:8px;
}
.project-card.active .meta{color:#cbd5e1}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 10px;border-radius:999px;
  font-size:12px;border:1px solid var(--line);background:#fff
}
.badge.dark{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.1);color:#fff}
.hero-banner{
  padding:28px;
  background:linear-gradient(135deg,#0f172a,#1f2937,#312e81);
  color:#fff;
  border-top-left-radius:var(--radius);
  border-top-right-radius:var(--radius);
}
.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px;
  padding:18px;background:rgba(255,255,255,.88)
}
.metric{background:#fff;border-radius:22px;padding:16px;box-shadow:var(--shadow-sm)}
.metric .big{font-size:28px;font-weight:800}
.content-tabs{
  display:grid;grid-template-columns:repeat(10,1fr);gap:8px;
  background:rgba(255,255,255,.8);padding:8px;border-radius:18px;box-shadow:var(--shadow-sm);
  margin:20px 0;
}
.content-tabs button{
  padding:10px 8px;border-radius:14px;border:0;background:transparent;box-shadow:none;font-size:13px
}
.content-tabs button.active{background:#0f172a;color:#fff}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.stack{display:grid;gap:14px}
.white-card{
  border:1px solid var(--line);
  border-radius:20px;
  padding:16px;
  background:#fff;
  box-shadow:var(--shadow-sm)
}
.kv{display:grid;grid-template-columns:180px 1fr;gap:12px;font-size:14px}
.kv strong{font-size:13px;color:var(--muted);font-weight:700}
.list{display:grid;gap:12px}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.warn{
  background:var(--warn-bg);
  border:1px solid var(--warn-line);
  border-radius:16px;
  padding:12px;
  font-size:13px;
  color:var(--warn-text)
}
.output-block{
  background:#f8fafc;
  border:1px solid var(--line);
  border-radius:20px;
  padding:16px;
}
.table-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:12px;
}
.bmc-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:14px;
}
.bmc-grid .white-card h4{margin:0 0 8px}
.modal-backdrop{
  position:fixed;inset:0;background:rgba(2,6,23,.45);backdrop-filter:blur(5px);
  display:none;align-items:center;justify-content:center;padding:18px;z-index:1000
}
.modal-backdrop.show{display:flex}
.modal{
  width:min(920px,100%);
  max-height:88vh;
  overflow:auto;
  background:#fff;
  border-radius:28px;
  box-shadow:0 20px 60px rgba(2,6,23,.28);
  border:1px solid #e5e7eb
}
.modal .head{
  padding:20px 22px;border-bottom:1px solid #e5e7eb;background:#f8fafc;
  display:flex;justify-content:space-between;gap:16px;align-items:flex-start
}
.modal .body{padding:20px 22px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.stepper{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.step{padding:8px 10px;border-radius:999px;background:#eef2ff;color:#3730a3;font-size:12px;font-weight:700}
.loading{opacity:.65;pointer-events:none}
.hidden{display:none!important}
@media (max-width:1400px){
  .content-tabs{grid-template-columns:repeat(5,1fr)}
}
@media (max-width:1100px){
  .app-shell,.layout,.grid2,.grid3,.bmc-grid,.table-grid{grid-template-columns:1fr}
  .sidebar{position:relative;height:auto}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .content-tabs{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:700px){
  .main{padding:14px}
  .form-grid,.metrics,.content-tabs{grid-template-columns:1fr}
  .topbar,.toolbar{align-items:flex-start;flex-direction:column}
}