/* Canvas — Puig AI Research Platform · prototype styles */

:root {
  /* Puig-inspired ink palette */
  --paper: #F5F1EA;
  --paper-10: #EBE6DC;
  --paper-20: #E2DCCF;
  --ink-100: #171513;
  --ink-90: #2A2622;
  --ink-70: #4A433C;
  --ink-50: #7A7167;
  --ink-30: #A8A095;
  --rule: #D8D0C2;
  --rule-soft: #E2DCCF;

  /* Accent — default: Puig Saffron */
  --accent: #C85A2B;
  --accent-ink: #9A3E14;
  --accent-tint: #F3E3D4;

  /* Type — Puig Lettera as primary body, Instrument Serif italic for editorial display */
  --font-display: "Instrument Serif", "GT Sectra", "Times New Roman", serif;
  --font-body: "Lettera", "Helvetica Neue", "Söhne", "Inter", -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, monospace;
}

/* Accent themes (Tweaks) */
html[data-accent="saffron"]  { --accent:#C85A2B; --accent-ink:#9A3E14; --accent-tint:#F3E3D4; }
html[data-accent="oud"]      { --accent:#8A5A2C; --accent-ink:#6B4319; --accent-tint:#ECDFCA; }
html[data-accent="bordeaux"] { --accent:#7A2434; --accent-ink:#5A1722; --accent-tint:#EAD5D8; }
html[data-accent="jade"]     { --accent:#2E6B53; --accent-ink:#1E4A38; --accent-tint:#D0DFD6; }
html[data-accent="cobalt"]   { --accent:#2A4B8C; --accent-ink:#1B335F; --accent-tint:#D2DAE8; }

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--paper);
  color: var(--ink-100);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Typography primitives */
.title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 48px;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--ink-100);
  text-wrap: pretty;
}
.subtitle {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 20px;
  line-height: 1.35;
  color: var(--ink-70);
  max-width: 56ch;
  text-wrap: pretty;
  margin-top: 12px;
}
.mono-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-50);
}
.accent-text { color: var(--accent-ink); }
em { font-style: italic; }

/* Shell */
.shell { display: grid; grid-template-columns: 280px 1fr; min-height: 100vh; }

/* Sidebar */
.side {
  background: #EFEAE1;
  border-right: 1px solid var(--rule);
  padding: 28px 22px;
  display: flex; flex-direction: column; gap: 28px;
  position: sticky; top: 0; height: 100vh;
}
.mark .logo {
  font-family: var(--font-display);
  font-size: 26px; letter-spacing: -0.01em;
  font-style: italic;
}
.mark .logo sup { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.1em; color: var(--accent-ink); font-style: normal; margin-left: 2px; vertical-align: super; }
.mark .tag { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.28em; color: var(--ink-50); margin-top: 4px; }

.ws { border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); padding: 18px 0; }
.ws .k { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-50); }
.ws .v { font-family: var(--font-display); font-size: 22px; margin-top: 6px; }

.nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.nav .sec { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-50); padding: 14px 10px 6px; }
.nav a {
  padding: 10px 10px; font-size: 14px; color: var(--ink-90);
  cursor: pointer; border-radius: 2px;
  display: flex; align-items: center; justify-content: space-between;
  position: relative;
  gap: 8px;
}
.nav a:hover { background: rgba(23,21,19,.04); }
.nav a.on { color: var(--accent-ink); font-weight: 500; }
.nav a.on::before { content: ""; position: absolute; left: -22px; top: 50%; transform: translateY(-50%); width: 3px; height: 18px; background: var(--accent); }
.nav .badge { font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.12em; background: var(--accent-tint); color: var(--accent-ink); padding: 2px 6px; border-radius: 2px; }

.cmd-cta {
  border: 1px solid var(--rule); padding: 10px 12px; border-radius: 2px;
  display: flex; justify-content: space-between; align-items: center;
  cursor: pointer; font-size: 13px; color: var(--ink-70);
  background: var(--paper);
}
.cmd-cta:hover { border-color: var(--ink-100); color: var(--ink-100); }

/* Topbar */
.main { display: flex; flex-direction: column; min-height: 100vh; }
.topbar {
  position: sticky; top: 0; z-index: 5;
  background: var(--paper);
  border-bottom: 1px solid var(--rule);
  padding: 14px 40px;
  display: flex; align-items: center; gap: 20px;
}
.bread { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em; color: var(--ink-50); text-transform: uppercase; }
.bread b { color: var(--ink-100); font-weight: 500; }
.topbar .right { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.search {
  width: 340px; padding: 8px 12px; border: 1px solid var(--rule);
  display: flex; align-items: center; gap: 8px; font-size: 13px;
  color: var(--ink-50); cursor: pointer; background: #FBF8F2;
}
.search:hover { border-color: var(--ink-100); }
.avatar { width: 30px; height: 30px; border-radius: 999px; background: var(--ink-100); color: var(--paper); display: grid; place-items: center; font-family: var(--font-mono); font-size: 11px; }

/* Buttons */
.btn {
  font-family: var(--font-body); font-size: 13px;
  padding: 8px 14px; border: 1px solid var(--ink-100);
  background: var(--paper); color: var(--ink-100);
  cursor: pointer; border-radius: 2px;
  transition: background .15s;
}
.btn:hover { background: var(--ink-100); color: var(--paper); }
.btn.primary { background: var(--ink-100); color: var(--paper); }
.btn.primary:hover { background: var(--accent); border-color: var(--accent); }
.btn.ghost { border-color: transparent; color: var(--ink-70); }
.btn.ghost:hover { background: transparent; color: var(--ink-100); }
.btn.icon { width: 34px; padding: 0; height: 34px; display: grid; place-items: center; font-size: 16px; }

.kbd {
  font-family: var(--font-mono); font-size: 10px;
  padding: 2px 6px; border: 1px solid var(--rule);
  background: var(--paper); color: var(--ink-70);
  border-radius: 2px;
}

/* Page layout */
.page { padding: 48px 40px 120px; max-width: 1280px; display: flex; flex-direction: column; gap: 40px; }
.row { display: flex; gap: 16px; align-items: center; }
.row.sb { justify-content: space-between; }

/* Agent ribbon */
.agent {
  background: #FBF8F2;
  border: 1px solid var(--rule);
  border-left: 3px solid var(--accent);
  padding: 22px 26px;
  display: flex; flex-direction: column; gap: 10px;
}
.agent .eb { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent-ink); display: flex; align-items: center; gap: 8px; }
.agent .eb .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); animation: pulse 2s ease-in-out infinite; }
.agent .text { font-family: var(--font-display); font-size: 20px; line-height: 1.4; color: var(--ink-100); text-wrap: pretty; font-style: italic; }
.agent .text em { color: var(--accent-ink); font-style: italic; }
.agent .acts { display: flex; gap: 8px; margin-top: 6px; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }

/* Card */
.card { background: #FBF8F2; border: 1px solid var(--rule); }
.card .ch { display: flex; justify-content: space-between; align-items: baseline; padding: 16px 20px; border-bottom: 1px solid var(--rule); }
.card .ch .t { font-family: var(--font-display); font-size: 18px; }
.card .ch .k { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-50); }
.card .cb { padding: 20px; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }

/* Stat grid */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border: 1px solid var(--rule); background: #FBF8F2; }
.stat-grid .s { padding: 22px 24px; border-right: 1px solid var(--rule); display: flex; flex-direction: column; gap: 4px; position: relative; }
.stat-grid .s:last-child { border-right: 0; }
.stat-grid .s .k { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-50); }
.stat-grid .s .n { font-family: var(--font-display); font-size: 36px; line-height: 1; letter-spacing: -0.02em; }
.stat-grid .s .d { font-family: var(--font-mono); font-size: 11px; color: var(--accent-ink); margin-top: 4px; }
.stat-grid .s .d.flat { color: var(--ink-50); }
.stat-grid .s .spark { height: 24px; margin-top: 10px; color: var(--accent); }
.sparkline { width: 100%; height: 100%; display: block; }

/* Signal rows */
.signal-row {
  display: grid; grid-template-columns: 120px 1fr 140px;
  gap: 28px;
  padding: 24px 0; border-top: 1px solid var(--rule);
  align-items: center;
}
.signal-row:first-child { border-top-width: 2px; border-top-color: var(--ink-100); }
.signal-row:last-child { border-bottom: 1px solid var(--rule); }
.signal-row .room { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--accent-ink); }
.signal-row .headline { font-family: var(--font-display); font-size: 22px; line-height: 1.3; color: var(--ink-100); text-wrap: pretty; }
.signal-row .headline em { color: var(--accent-ink); font-style: italic; }
.signal-row .meta { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.12em; color: var(--ink-50); margin-top: 8px; }
.signal-row .cta { text-align: right; }

/* Topics list */
.topics { display: flex; flex-direction: column; }
.topic {
  display: grid; grid-template-columns: 30px 1fr 70px 60px 100px;
  gap: 14px; align-items: center;
  padding: 14px 20px; border-top: 1px solid var(--rule);
  cursor: pointer; font-size: 14px;
  transition: background .12s;
}
.topic:first-child { border-top: 0; }
.topic:hover { background: var(--paper-10); }
.topic.on { background: var(--accent-tint); color: var(--accent-ink); }
.topic .idx { font-family: var(--font-mono); font-size: 10px; color: var(--ink-50); letter-spacing: 0.1em; }
.topic.on .idx { color: var(--accent-ink); }
.topic .name { display: flex; flex-direction: column; }
.topic .name .sub { font-size: 11px; color: var(--ink-50); font-style: italic; margin-top: 2px; }
.topic.on .name .sub { color: var(--accent-ink); }
.topic .num { font-family: var(--font-mono); font-size: 12px; text-align: right; }
.topic .num.up { color: var(--accent-ink); }
.topic .num.down { color: #A33; }
.topic .num.flat { color: var(--ink-50); }
.topic .bar { height: 4px; background: rgba(23,21,19,.08); position: relative; }
.topic .bar span { position: absolute; inset: 0 auto 0 0; background: var(--accent); }
.topic.on .bar { background: rgba(154,62,20,.2); }

.post {
  display: grid; grid-template-columns: 72px 1fr 60px;
  gap: 16px; padding: 14px 20px; border-top: 1px solid var(--rule);
  font-size: 13px; align-items: flex-start;
}
.post:first-child { border-top: 0; }
.post .chan { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-50); padding-top: 2px; }
.post .text { line-height: 1.45; }
.post .au { font-family: var(--font-mono); font-size: 10px; color: var(--accent-ink); letter-spacing: 0.06em; display: block; margin-bottom: 4px; }
.post .senti { font-family: var(--font-mono); font-size: 12px; color: var(--accent-ink); text-align: right; }
.post .senti.neg { color: #A33; }

/* Personas */
.persona-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.persona {
  background: #FBF8F2;
  border: 1px solid var(--rule);
  padding: 0;
  cursor: pointer;
  transition: border-color .15s, transform .15s;
  display: flex; flex-direction: column;
}
.persona:hover { border-color: var(--ink-100); }
.persona.on { border-color: var(--accent); border-width: 2px; }
.persona.on::before { content: "SELECTED"; position: absolute; top: 8px; right: 8px; font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.14em; background: var(--accent); color: white; padding: 2px 6px; z-index: 2; }
.persona { position: relative; }
.persona .portrait {
  height: 220px;
  background: linear-gradient(135deg, var(--paper-20), var(--paper-10));
  display: flex; align-items: flex-end; padding: 16px;
  font-family: var(--font-display);
  font-size: 56px; color: rgba(23,21,19,.12);
  letter-spacing: -0.03em; line-height: 1;
  position: relative; overflow: hidden;
}
.persona .portrait::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(circle at 50% 40%, rgba(200,90,43,.18), transparent 60%),
    radial-gradient(circle at 30% 70%, rgba(122,36,52,.1), transparent 50%);
}
.persona .portrait::after {
  content: attr(data-name);
  position: relative; z-index: 1;
  font-style: italic;
  color: var(--ink-70);
  font-size: 48px;
  opacity: 0.35;
}
.persona .meta { padding: 16px; display: flex; flex-direction: column; gap: 8px; }
.persona .name { font-family: var(--font-display); font-size: 18px; line-height: 1.2; }
.persona .bio { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-50); }
.persona .tags { display: flex; gap: 4px; flex-wrap: wrap; margin-top: 4px; }
.chip {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 3px 8px; border: 1px solid var(--rule); color: var(--ink-70); border-radius: 2px;
}
.chip.accent { background: var(--accent-tint); border-color: transparent; color: var(--accent-ink); }

/* Simulation */
.sim { padding: 20px; display: flex; flex-direction: column; gap: 12px; max-height: 540px; overflow-y: auto; }
.bubble { padding: 14px 18px; border: 1px solid var(--rule); background: var(--paper); }
.bubble.system { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-70); background: transparent; border-color: var(--rule); }
.bubble.persona { background: #FBF8F2; }
.bubble.persona .eb { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.14em; color: var(--accent-ink); text-transform: uppercase; margin-bottom: 8px; }
.bubble.persona .text { font-family: var(--font-display); font-size: 16px; line-height: 1.5; font-style: italic; color: var(--ink-90); text-wrap: pretty; }

/* Predict mode switch */
.mode-switch { display: flex; border: 1px solid var(--ink-100); }
.mode-switch button {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase;
  padding: 8px 14px; background: transparent; border: 0; cursor: pointer; color: var(--ink-70);
  border-right: 1px solid var(--ink-100);
}
.mode-switch button:last-of-type { border-right: 0; }
.mode-switch button.on { background: var(--ink-100); color: var(--paper); }
.mode-switch .sp { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.14em; color: var(--accent-ink); padding: 8px 14px; border-left: 1px solid var(--ink-100); }

/* Radar */
.radar { position: relative; height: 460px; background:
  linear-gradient(to right, transparent 49.9%, var(--rule-soft) 50%, transparent 50.1%),
  linear-gradient(to bottom, transparent 49.9%, var(--rule-soft) 50%, transparent 50.1%),
  repeating-linear-gradient(0deg, transparent 0, transparent 44px, var(--rule-soft) 44px, var(--rule-soft) 45px),
  repeating-linear-gradient(90deg, transparent 0, transparent 44px, var(--rule-soft) 44px, var(--rule-soft) 45px);
  border: 1px solid var(--rule);
}
.radar .ax { position: absolute; font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.1em; color: var(--ink-50); }
.radar .bubble {
  position: absolute; border-radius: 50%; background: rgba(23,21,19,.06); border: 1px solid var(--ink-100);
  display: grid; place-items: center;
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.06em;
  text-align: center; line-height: 1.1; padding: 6px;
  transform: translate(-50%, -50%);
  color: var(--ink-90);
}
.radar .bubble.accent { background: var(--accent); color: var(--paper); border-color: var(--accent); font-weight: 500; }
.radar .bubble.muted { background: transparent; border-color: var(--ink-30); color: var(--ink-50); }

/* Brief */
.brief-blocks { border-top: 2px solid var(--ink-100); }
.brief-block {
  display: grid; grid-template-columns: 180px 1fr;
  gap: 28px;
  padding: 24px 4px; border-bottom: 1px solid var(--rule);
  position: relative;
}
.brief-block .k { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-50); padding-top: 4px; }
.brief-block .v { font-family: var(--font-display); font-size: 20px; line-height: 1.4; color: var(--ink-100); text-wrap: pretty; }
.brief-block .v em { font-style: italic; color: var(--accent-ink); }
.brief-block.ai::before {
  content: "▲ CANVAS";
  position: absolute; left: -4px; top: 24px;
  font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.16em;
  color: var(--accent-ink);
  writing-mode: vertical-rl; transform: rotate(180deg);
  transform-origin: left top;
}

.empty {
  border: 1px dashed var(--rule); padding: 40px; text-align: center;
  color: var(--ink-70);
}
.empty .t { font-family: var(--font-display); font-size: 22px; color: var(--ink-100); }
.empty .d { font-family: var(--font-display); font-style: italic; margin-top: 8px; color: var(--ink-70); }

/* Command palette */
.cmd-overlay {
  position: fixed; inset: 0; background: rgba(23,21,19,.45); backdrop-filter: blur(6px);
  z-index: 100; display: grid; place-items: flex-start center; padding-top: 14vh;
}
.cmd {
  width: min(680px, 92vw);
  background: var(--paper);
  border: 1px solid var(--ink-100);
  box-shadow: 0 20px 80px rgba(23,21,19,.2);
  overflow: hidden;
  display: flex; flex-direction: column;
}
.cmd-input { display: flex; align-items: center; gap: 12px; padding: 16px 20px; border-bottom: 1px solid var(--rule); }
.cmd-input .chev { color: var(--accent-ink); font-family: var(--font-mono); font-size: 16px; }
.cmd-input input {
  flex: 1; border: 0; background: transparent; outline: none;
  font-family: var(--font-display); font-size: 22px; color: var(--ink-100);
  font-style: italic;
}
.cmd-input input::placeholder { color: var(--ink-30); font-style: italic; }
.cmd-list { max-height: 48vh; overflow-y: auto; padding: 8px 0; }
.cmd-sec { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-50); padding: 14px 20px 6px; }
.cmd-item {
  display: grid; grid-template-columns: 28px 1fr auto;
  gap: 14px; align-items: center;
  padding: 10px 20px; cursor: pointer;
}
.cmd-item:hover { background: var(--accent-tint); }
.cmd-item .ic { font-family: var(--font-mono); color: var(--accent-ink); text-align: center; }
.cmd-item .l { font-size: 14px; color: var(--ink-100); }
.cmd-item .s { font-size: 12px; color: var(--ink-50); margin-top: 2px; font-family: var(--font-mono); letter-spacing: 0.02em; }
.cmd-item .rk { font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.14em; color: var(--ink-50); }
.cmd-foot { display: flex; gap: 18px; padding: 10px 20px; border-top: 1px solid var(--rule); font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.1em; color: var(--ink-50); text-transform: uppercase; }

/* Tweaks panel */
.tweaks {
  position: fixed; right: 24px; bottom: 24px; z-index: 90;
  background: var(--paper); border: 1px solid var(--ink-100);
  box-shadow: 0 10px 30px rgba(23,21,19,.15);
  padding: 16px; width: 260px;
  display: flex; flex-direction: column; gap: 12px;
}
.tweaks .h { display: flex; justify-content: space-between; align-items: center; }
.tweaks .h .t { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-70); }
.tweaks .h .x { cursor: pointer; color: var(--ink-50); font-family: var(--font-mono); }
.tweaks .lbl { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-50); }
.tweaks .sw { display: flex; gap: 8px; flex-wrap: wrap; }
.tweaks .sw button {
  width: 36px; height: 36px; border-radius: 50%; border: 2px solid var(--rule);
  cursor: pointer; padding: 0;
}
.tweaks .sw button.on { border-color: var(--ink-100); box-shadow: 0 0 0 2px var(--paper) inset; }
.tweaks .nm { font-family: var(--font-display); font-size: 14px; color: var(--ink-90); }