/* disene — base styles + theme tokens
   Palette from brief; Geist + Instrument Serif. */

@import url('https://fonts.googleapis.com/css2?family=Geist:wght@300;400;500;600;700&family=Instrument+Serif:ital@0;1&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  /* Type roles */
  --font-ui: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-serif: "Instrument Serif", ui-serif, Georgia, serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  /* Concept palette — constants from brief */
  --c-nucleus: #FF8800;
  --c-consist: #E8C547;
  --c-function: #7BADC8;
  --c-perspective: #5DCAA5;
  --c-pattern: #AFA9EC;
  --c-essence: #FF8800;

  /* Theme — defaults to light, overridden by [data-theme="dark"] */
  --bg: #F8F8F7;
  --bg-elev: #FBFBFA;
  --bg-sunk: #F1F0EC;
  --fg: #2C2C2A;
  --fg-2: #5A5953;
  --fg-3: #888780;
  --border: #D3D1C7;
  --border-soft: #E4E2D9;
  --field: #FFFFFF;
  --field-border: #DDDBD0;
  --shadow: 0 1px 2px rgba(31,29,20,0.04), 0 8px 24px -16px rgba(31,29,20,0.10);
  --shadow-lift: 0 1px 2px rgba(31,29,20,0.04), 0 22px 60px -28px rgba(31,29,20,0.22);
  --ring: rgba(212,168,67,.35);
}

[data-theme="dark"] {
  --bg: #111111;
  --bg-elev: #181816;
  --bg-sunk: #0B0B0A;
  --fg: #E9E7DF;
  --fg-2: #B9B7AE;
  --fg-3: #87867E;
  --border: #2A2A26;
  --border-soft: #1F1F1C;
  --field: #181816;
  --field-border: #2D2D29;
  --shadow: 0 1px 2px rgba(0,0,0,0.4), 0 12px 40px -20px rgba(0,0,0,0.6);
  --shadow-lift: 0 2px 4px rgba(0,0,0,0.5), 0 30px 80px -30px rgba(0,0,0,0.8);
  --ring: rgba(212,168,67,.45);
}

/* Vibe variants — modulate background warmth + saturation */
[data-vibe="journal"] {
  --bg: #F4EFE6;
  --bg-elev: #F8F4EB;
  --bg-sunk: #ECE6D8;
  --border: #D9D1BC;
  --border-soft: #E4DEC8;
  --field: #FBF8F1;
  --field-border: #E0D8C3;
}
[data-vibe="journal"][data-theme="dark"] {
  --bg: #181410;
  --bg-elev: #211C16;
  --bg-sunk: #110E0B;
  --border: #322B22;
  --border-soft: #25201A;
  --field: #1E1913;
  --field-border: #322B22;
}
[data-vibe="cosmic"] {
  --bg: #F4F3F8;
  --bg-elev: #FAFAFC;
  --bg-sunk: #ECEBF2;
  --border: #D2D0DD;
  --field: #FFFFFF;
  --field-border: #DBD9E5;
}
[data-vibe="cosmic"][data-theme="dark"] {
  --bg: #0B0B14;
  --bg-elev: #15141F;
  --bg-sunk: #06060D;
  --border: #1F1E2C;
  --border-soft: #15141F;
  --field: #15141F;
  --field-border: #25243A;
}

* { box-sizing: border-box; }

html, body, #root { height: 100%; }
body {
  margin: 0;
  font-family: var(--font-ui);
  background: var(--bg);
  color: var(--fg);
  font-feature-settings: "ss01", "cv11", "tnum";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 14px;
  line-height: 1.5;
  letter-spacing: -0.005em;
}

button { font: inherit; color: inherit; }
input, textarea {
  font: inherit;
  color: inherit;
  background: transparent;
  border: 0;
  outline: none;
  resize: none;
  width: 100%;
}

::selection { background: rgba(212,168,67,0.28); color: var(--fg); }

/* Hide main page scrollbar */
html { scrollbar-width: none; }
html::-webkit-scrollbar { display: none; }

/* Scrollbar — subtle (panels only) */
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 999px;
  border: 3px solid transparent;
  background-clip: content-box;
}
*::-webkit-scrollbar-thumb:hover { background: var(--fg-3); background-clip: content-box; border: 3px solid transparent; }

/* ──────────────────── Logo / wordmark ──────────────────── */
.logo-dark  { display: none; }
[data-theme="dark"] .logo-light { display: none; }
[data-theme="dark"] .logo-dark  { display: block; }

/* ──────────────────── Type-tag badges ──────────────────── */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
  padding: 4px 8px 4px 8px;
  border-radius: 999px;
  background: var(--bg-sunk);
  color: var(--fg-2);
  border: 1px solid var(--border-soft);
}
.tag::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 999px;
  background: currentColor;
  opacity: 0.85;
}
.tag.constant { color: var(--c-consist); }
.tag.function { color: var(--c-function); }
.tag.perspective { color: var(--c-perspective); }
.tag.pattern { color: var(--c-pattern); }
.tag.essence { color: var(--c-essence); }
.tag.nucleus { color: var(--c-nucleus); }

.tag-flat {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-3);
  font-weight: 500;
}

/* ──────────────────── Progress dots ──────────────────── */
.dots { display: inline-flex; gap: 5px; align-items: center; }
.dots .d {
  width: 6px; height: 6px;
  border-radius: 999px;
  background: var(--border);
  transition: background 200ms;
}
.dots .d.f-consist  { background: var(--c-consist);  opacity:.85; }
.dots .d.f-function { background: var(--c-function); opacity:.85; }
.dots .d.f-perspective { background: var(--c-perspective); }
.dots .d.f-pattern  { background: var(--c-pattern); }
.dots .d.f-essence  { background: var(--c-essence); }

/* ──────────────────── Buttons ──────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--fg);
  cursor: pointer;
  transition: all 160ms;
  font-size: 13px;
  font-weight: 500;
}
.btn:hover { background: var(--bg-sunk); border-color: var(--fg-3); }
.btn.primary {
  background: var(--fg);
  color: var(--bg);
  border-color: var(--fg);
}
.btn.primary:hover { opacity: .9; }
.btn.ghost { background: transparent; border-color: transparent; color: var(--fg-2); }
.btn.ghost:hover { color: var(--fg); background: var(--bg-sunk); }
.btn.tiny { padding: 4px 8px; font-size: 11.5px; border-radius: 6px; }
.btn.icon { padding: 6px; }

/* ──────────────────── Card surface ──────────────────── */
.surface {
  background: var(--bg-elev);
  border: 1px solid var(--border-soft);
  border-radius: 14px;
}
.surface-hover { transition: all 200ms; }
.surface-hover:hover {
  border-color: var(--border);
  box-shadow: var(--shadow);
  translate: 0 -1px;
}

/* ──────────────────── Field ──────────────────── */
.field {
  background: var(--field);
  border: 1px solid var(--field-border);
  border-radius: 10px;
  padding: 12px 14px;
  transition: border-color 160ms, background 160ms;
}
.field:focus-within {
  border-color: var(--fg-3);
  background: var(--bg-elev);
}
.field textarea, .field input {
  font-family: var(--font-ui);
  font-size: 14px;
  line-height: 1.55;
  color: var(--fg);
  display: block;
}
.field textarea::placeholder, .field input::placeholder {
  color: var(--fg-3);
  font-style: italic;
}

/* ──────────────────── Solo treatment ──────────────────── */
.solo {
  border-style: dashed !important;
}
.solo .solo-mark {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-3);
}

/* ──────────────────── Anim ──────────────────── */
@keyframes fadeUp { from { opacity:0; translate: 0 6px; } to { opacity:1; translate:0 0; } }
.fade-up { animation: fadeUp 400ms cubic-bezier(.2,.7,.2,1) both; }
@keyframes pulse-soft { 0%,100% { opacity:.6 } 50% { opacity:1 } }
@keyframes spin { to { transform: rotate(360deg); } }

/* Header layout */
.app-shell {
  display: flex; flex-direction: column;
  min-height: 100%;
  background: var(--bg);
}
.topbar {
  position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; gap: 24px;
  padding: 14px 28px;
  background: color-mix(in oklab, var(--bg) 80%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-soft);
}
.topbar-spacer { flex: 1; }
.topbar-link {
  color: var(--fg-3);
  font-size: 13px;
  padding: 6px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: color 160ms, background 160ms;
}
.topbar-link:hover { color: var(--fg); background: var(--bg-sunk); }
.topbar-link.active { color: var(--fg); background: var(--bg-sunk); }

/* Page container */
.page {
  max-width: 1240px;
  margin: 0 auto;
  padding: 36px 28px 80px;
  width: 100%;
}

/* Concept title (serif) */
.concept-title {
  font-family: var(--font-serif);
  font-weight: 400;
  letter-spacing: 0.01em;
  line-height: 1.05;
  text-wrap: balance;
}
[data-theme="dark"] .concept-title {
  color: #F5F3EC;
}
/* Adjust tracking at display sizes */
.concept-title[style*="78px"],
.concept-title[style*="96px"] { letter-spacing: 0.005em; }
.concept-title[style*="56px"] { letter-spacing: 0.008em; }
.concept-title[style*="38px"],
.concept-title[style*="34px"] { letter-spacing: 0.01em; }
.concept-title[style*="28px"],
.concept-title[style*="30px"] { letter-spacing: 0.01em; }
.concept-title[style*="24px"] { letter-spacing: 0.012em; }

/* Subtle inline rule */
.rule {
  height: 1px;
  background: var(--border-soft);
  border: 0;
  margin: 0;
}

/* Section heading (small caps + mono label) */
.section-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
}
.section-head .meta { font-family: var(--font-mono); color: var(--fg-3); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }

/* Kbd */
.kbd {
  font-family: var(--font-mono);
  font-size: 10.5px;
  padding: 2px 6px;
  border-radius: 5px;
  border: 1px solid var(--border);
  background: var(--bg-sunk);
  color: var(--fg-2);
}

/* density: comfy / regular / compact will be applied per-screen via gap variables */
:root { --gap-section: 28px; --gap-block: 16px; }
[data-density="compact"] { --gap-section: 18px; --gap-block: 10px; }
[data-density="comfy"]   { --gap-section: 40px; --gap-block: 22px; }

/* ──────────────────── Responsive ──────────────────── */

/* Tablet ≤ 1024px */
@media (max-width: 1024px) {
  .page { padding: 24px 20px 60px; }

  /* Topbar: hide search + separator */
  .tb-search { display: none !important; }
  .tb-sep    { display: none !important; }

  /* Library: 2-col cards, hide graph panel */
  .lib-grid { grid-template-columns: 1fr 1fr !important; }
  .lib-graph { display: none !important; }
  .lib-hero, .lib-quickadd, .lib-search, .lib-filters {
    grid-column: 1 / -1 !important;
    grid-row: auto !important;
  }
  .lib-hero-title { font-size: clamp(32px, 5vw, 48px) !important; }
}

/* Solar mobile */
@media (max-width: 600px) {
  .solar-legend { display: none !important; }
  .solar-bc     { display: none !important; }
  .solar-side-panel {
    position: fixed !important;
    inset: 0 !important;
    width: 100% !important;
    z-index: 50;
  }
}

/* Mobile ≤ 600px */
@media (max-width: 600px) {
  .page { padding: 16px 14px 60px; }
  .topbar { padding: 10px 14px; gap: 10px; }

  /* Topbar: hide breadcrumbs + sync */
  .tb-bc   { display: none !important; }
  .tb-sync { display: none !important; }

  /* Library: 1 col */
  .lib-grid { grid-template-columns: 1fr !important; }
  .lib-hero-title { font-size: 32px !important; }
  .lib-hero p { font-size: 14px !important; }

  /* ConceptEdit: stack columns */
  .ce-grid  { grid-template-columns: 1fr !important; gap: 32px !important; }
  .ce-title { font-size: 42px !important; }

  /* ConceptRead: stack consist/function, shrink title */
  .cr-const-grid { grid-template-columns: 1fr !important; }
  .cr-title { font-size: 52px !important; }

  /* Toolbar mode switcher: wrap */
  .view-toolbar { flex-wrap: wrap; gap: 6px !important; }
  .view-mode-sw { order: 10; width: 100%; justify-content: flex-end; }
}