/* VedaForge - DataVedas theme tokens (family-consistent with VedaProfile) */
:root, html[data-theme="dark"] {
  --bg: #14161a;
  --bg-soft: #1b1e24;
  --panel: #1e222a;
  --ink: #e8e6e1;
  --ink-dim: #a09c94;
  --border: #2e333d;
  --accent: #e8792b;
  --accent-soft: rgba(232, 121, 43, 0.12);
  --hover: rgba(232, 121, 43, 0.07);
  --shadow: rgba(0, 0, 0, 0.4);
  --ok: #4caf7d;
  --warn: #d9a13b;
  --bad: #d96b5b;
}
html[data-theme="light"] {
  --bg: #faf8f5;
  --bg-soft: #f1eee9;
  --panel: #ffffff;
  --ink: #23211e;
  --ink-dim: #6d675e;
  --border: #ddd7cd;
  --accent: #c9611a;
  --accent-soft: rgba(201, 97, 26, 0.10);
  --hover: rgba(201, 97, 26, 0.06);
  --shadow: rgba(60, 50, 30, 0.15);
  --ok: #2e8f5f;
  --warn: #a8721c;
  --bad: #b34a3a;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body { background: var(--bg); color: var(--ink); font-family: "Segoe UI", system-ui, -apple-system, sans-serif; line-height: 1.55; }
a { color: var(--accent); text-decoration: none; }

.topbar {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; gap: 12px;
  padding: 10px 20px; background: var(--bg-soft); border-bottom: 1px solid var(--border);
}
.brand { font-weight: 700; letter-spacing: 0.02em; color: var(--ink); white-space: nowrap; }
.brand .lens { color: var(--accent); }
.topbar .ds-name { flex: 1; text-align: center; font-size: 0.9rem; color: var(--ink-dim); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.btn {
  background: transparent; color: var(--ink);
  border: 1px solid var(--border); border-radius: 7px;
  padding: 6px 13px; font-size: 0.85rem; cursor: pointer; font-family: inherit; white-space: nowrap;
  display: inline-flex; align-items: center; justify-content: center; line-height: 1.25;
}
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { filter: brightness(1.08); color: #fff; }
.btn:disabled { opacity: 0.45; cursor: default; }

/* landing */
.landing { max-width: 900px; margin: 0 auto; padding: 60px 24px 80px; }
.landing h1 { font-size: 2.2rem; margin: 0 0 6px; }
.landing .tagline { color: var(--ink-dim); font-size: 1.05rem; margin-bottom: 40px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 24px; display: flex; flex-direction: column; gap: 10px; }
.card h3 { margin: 0; font-size: 1.1rem; }
.card p { margin: 0; color: var(--ink-dim); font-size: 0.9rem; flex: 1; }
.card .btn { align-self: flex-start; }
.privacy {
  margin-top: 44px; padding: 16px 20px; border: 1px solid var(--border);
  border-left: 3px solid var(--accent); border-radius: 8px; color: var(--ink-dim); font-size: 0.9rem;
}

/* workbench */
.bench-grid { display: grid; grid-template-columns: minmax(0, 1fr) 330px; align-items: start; }
.main { padding: 24px 28px 120px; min-height: 100vh; }
.main h5, .methods h5 { margin: 18px 0 8px; color: var(--ink-dim); text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.7rem; }
.methods {
  position: sticky; top: 58px; max-height: calc(100vh - 58px); overflow-y: auto;
  padding: 22px 22px 60px; background: var(--bg-soft); border-left: 1px solid var(--border);
  min-height: calc(100vh - 58px);
}
.overview { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 12px; margin-bottom: 12px; }
.stat-tile { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 10px 14px; }
.stat-tile .v { font-size: 1.4rem; font-weight: 650; }
.stat-tile .l { color: var(--ink-dim); font-size: 0.76rem; }

.op-log { min-height: 30px; margin-bottom: 12px; }
.log-line { font-size: 0.84rem; color: var(--ink-dim); padding: 2px 0; }
.log-line.log-hl { color: var(--warn); }
.log-line:first-child { color: var(--ink); }

.tabs { display: flex; gap: 6px; margin: 4px 0 14px; border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.tab-btn {
  background: transparent; color: var(--ink-dim); border: 0; border-bottom: 2px solid transparent;
  padding: 8px 14px; font-size: 0.9rem; cursor: pointer; font-family: inherit;
}
.tab-btn:hover { color: var(--accent); }
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }

.rel-section { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 14px 18px; margin-bottom: 14px; }
.rel-section h5 { margin-top: 0; }
.rel-controls { font-size: 0.88rem; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin: 8px 0; }
.rel-controls select, .rel-controls input[type="number"], .rel-controls input[type="text"] {
  background: var(--bg); color: var(--ink); border: 1px solid var(--border); border-radius: 6px; padding: 4px 8px; font-family: inherit;
}
.rel-controls label { cursor: pointer; font-size: 0.85rem; }
.muted-note { color: var(--ink-dim); font-size: 0.8rem; line-height: 1.5; margin-top: 6px; }
.warn-note { color: var(--warn); font-size: 0.8rem; }

.cols-table { border-collapse: collapse; font-size: 0.82rem; width: 100%; }
.cols-table th { text-align: left; color: var(--ink-dim); font-weight: 500; padding: 4px 10px; border-bottom: 1px solid var(--border); }
.cols-table td { padding: 3px 10px; border-bottom: 1px solid var(--border); }
.cols-table tr.y-row td { background: var(--accent-soft); }
.cols-table td.warn-cell { color: var(--warn); font-weight: 600; }
.cols-table.preview td, .cols-table.preview th { white-space: nowrap; font-variant-numeric: tabular-nums; }
.heat-scroll { overflow-x: auto; }
.y-tag { font-size: 0.66rem; background: var(--accent); color: #fff; border-radius: 8px; padding: 0 7px; margin-left: 6px; vertical-align: middle; }
.badge { font-size: 0.68rem; padding: 1px 8px; border-radius: 10px; background: var(--accent-soft); color: var(--accent); text-transform: uppercase; letter-spacing: 0.04em; }
.badge.b-cat { background: rgba(79,156,240,0.14); color: #4f9cf0; }
html[data-theme="light"] .badge.b-cat { color: #2b6cb0; background: rgba(43,108,176,0.1); }
.badge.b-dt { background: rgba(76,175,125,0.14); color: var(--ok); }

.recipe-line { font-size: 0.8rem; padding: 5px 8px; border-left: 3px solid var(--accent); background: var(--panel); border-radius: 0 6px 6px 0; margin-bottom: 6px; font-family: Consolas, monospace; word-break: break-word; }

/* mode dialog + boot overlay */
.modal-mask {
  position: fixed; inset: 0; background: var(--shadow); z-index: 80;
  display: none; align-items: center; justify-content: center; padding: 20px;
}
.modal-mask.open { display: flex; }
.modal { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 20px 24px; }
.modal-head { font-weight: 650; margin-bottom: 12px; }
.mode-opt { display: block; margin: 8px 0; cursor: pointer; }
.mode-opt select { margin-left: 6px; }

.boot-overlay {
  position: fixed; inset: 0; background: var(--bg); z-index: 100;
  display: none; align-items: center; justify-content: center;
}
.boot-box { max-width: 480px; text-align: center; padding: 24px; display: flex; flex-direction: column; gap: 14px; align-items: center; }
.spinner {
  width: 34px; height: 34px; border-radius: 50%;
  border: 3px solid var(--border); border-top-color: var(--accent);
  animation: vfspin 0.9s linear infinite;
}
@keyframes vfspin { to { transform: rotate(360deg); } }
#boot-status { font-size: 0.92rem; }

@media (max-width: 1000px) {
  .bench-grid { grid-template-columns: minmax(0, 1fr); }
  .methods { position: static; min-height: 0; max-height: none; border-left: 0; border-top: 2px solid var(--accent); }
}

/* M2: select section */
.section-tabs { border-bottom: 0; margin-bottom: 2px; }
.sec-btn {
  background: var(--panel); color: var(--ink-dim); border: 1px solid var(--border);
  border-radius: 8px 8px 0 0; padding: 7px 18px; font-size: 0.9rem; cursor: pointer; font-family: inherit;
}
.sec-btn.active { color: var(--accent); border-color: var(--accent); font-weight: 650; }
.vif-hot td { color: var(--warn); }
.mini-drop { padding: 1px 9px; font-size: 0.72rem; }
.lasso-plot svg { width: 100%; max-width: 620px; height: auto; display: block; margin-top: 10px; }
details.fine { margin-top: 6px; }
details.fine summary { cursor: pointer; color: var(--accent); font-size: 0.78rem; list-style: none; user-select: none; }
details.fine summary::before { content: "\25B8 "; }
details.fine[open] summary::before { content: "\25BE "; }

/* busy overlay + data-state block */
.busy-overlay {
  position: fixed; inset: 0; background: color-mix(in srgb, var(--bg) 78%, transparent);
  z-index: 95; display: none; align-items: center; justify-content: center;
  backdrop-filter: blur(1.5px);
}
#busy-label { font-size: 0.95rem; font-weight: 600; }
.state-block {
  margin-top: 30px; border: 1px solid var(--border); border-top: 3px solid var(--accent);
  border-radius: 12px; padding: 14px 18px; background: var(--bg-soft);
}
.state-head { font-weight: 650; font-size: 0.95rem; }