/* Brainstorm — 20261111.nvai.dev
   Standing nvai.dev design system: dark default, purple/gold, Quicksand + Inter. */

:root {
  --radius: 1.15rem;
  --radius-sm: .75rem;
  --bg: #0A0712;
  --surface: #141021;
  --surface-2: #1B1529;
  --border: rgba(255,255,255,.08);
  --text: #F2EFF8;
  --muted: #A9A3B8;
  --purple: #9B86D6;
  --purple-strong: #7B68AE;
  --gold: #E0BE5C;
  --gold-strong: #D4AF37;
  --live: #4ADE80;
  --live-bg: rgba(74,222,128,.12);
  --gold-bg: rgba(212,175,55,.12);
  --blue: #38BDF8;
  --emerald: #10B981;
  --amber: #F59E0B;
  --rose: #F43F5E;
  --shadow: 0 24px 60px rgba(0,0,0,.55);
  --glow:
    radial-gradient(60rem 36rem at 10% -10%, rgba(139,119,201,.20), transparent 62%),
    radial-gradient(48rem 30rem at 100% 110%, rgba(212,175,55,.10), transparent 60%);
  --featured-glow: radial-gradient(40rem 18rem at 110% -20%, rgba(139,119,201,.16), transparent 60%);
}
[data-theme="light"] {
  --bg: #FAF8F5;
  --surface: #FFFFFF;
  --surface-2: #F6F2FA;
  --border: #EAE4F2;
  --text: #1A0A2E;
  --muted: #5B5566;
  --purple: #7B68AE;
  --purple-strong: #6A57A0;
  --gold: #B8912B;
  --gold-strong: #A8842A;
  --live: #16A34A;
  --live-bg: rgba(22,163,74,.10);
  --gold-bg: rgba(184,145,43,.12);
  --blue: #0284C7;
  --emerald: #059669;
  --amber: #B45309;
  --rose: #E11D48;
  --shadow: 0 20px 50px rgba(26,10,46,.10);
  --glow:
    radial-gradient(60rem 36rem at 10% -10%, rgba(123,104,174,.14), transparent 62%),
    radial-gradient(48rem 30rem at 100% 110%, rgba(212,175,55,.16), transparent 60%);
  --featured-glow: radial-gradient(40rem 18rem at 110% -20%, rgba(123,104,174,.10), transparent 60%);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; color-scheme: dark; }
[data-theme="light"] { color-scheme: light; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background-color: var(--bg);
  background-image: var(--glow);
  -webkit-font-smoothing: antialiased;
  transition: background-color .3s ease, color .3s ease;
}
::selection { background: rgba(139,119,201,.35); }
a { color: inherit; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--purple); outline-offset: 2px;
}

.container { width: 100%; max-width: 72rem; margin: 0 auto; padding: 0 1.5rem; }

/* ---------- Topbar ---------- */
.topbar { border-bottom: 1px solid var(--border); }
.topbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding-top: 1.1rem; padding-bottom: 1.1rem;
}
.brand {
  display: inline-flex; align-items: center; gap: .6rem;
  font-family: 'Quicksand', sans-serif; font-weight: 700;
  font-size: 1.12rem; letter-spacing: -.01em;
  color: var(--text); text-decoration: none;
}
.brand-mark {
  width: 1.05rem; height: 1.05rem; border-radius: 50%;
  background: linear-gradient(135deg, var(--purple-strong), var(--gold-strong));
  box-shadow: 0 0 0 3px rgba(123,104,174,.18);
}
.topbar-right { display: flex; align-items: center; gap: .75rem; }

.user-switch {
  display: inline-flex; gap: .25rem; padding: .25rem;
  border: 1px solid var(--border); border-radius: 999px; background: var(--surface);
}
.user-chip {
  font-family: 'Quicksand', sans-serif; font-weight: 600; font-size: .85rem;
  padding: .38rem .85rem; border-radius: 999px; border: 0; cursor: pointer;
  background: transparent; color: var(--muted);
  transition: background-color .15s ease, color .15s ease;
}
.user-chip:hover { color: var(--text); }
.user-chip.active {
  color: #1A0A2E;
  background: linear-gradient(135deg, var(--gold-strong), #E8CD7A);
}
[data-theme="light"] .user-chip.active { color: #1A0A2E; }

.theme-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 2.25rem; height: 2.25rem; border-radius: 999px;
  border: 1px solid var(--border); background: var(--surface);
  color: var(--text); font-size: 1rem; line-height: 1; cursor: pointer;
  transition: border-color .15s ease, transform .15s ease;
}
.theme-toggle:hover { border-color: var(--purple); transform: translateY(-1px); }

/* ---------- Hero ---------- */
.hero { padding: 3.5rem 0 2.25rem; }
.eyebrow {
  display: inline-flex; align-items: center; gap: .5rem;
  font-family: 'Quicksand', sans-serif; font-weight: 600;
  font-size: .78rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--purple);
}
.eyebrow .dot { width: .45rem; height: .45rem; border-radius: 50%; background: var(--gold-strong); }
h1 {
  font-family: 'Quicksand', sans-serif; font-weight: 700;
  font-size: clamp(2.4rem, 5.5vw, 3.6rem);
  line-height: 1.05; letter-spacing: -.025em;
  margin: .9rem 0 1rem;
}
.grad {
  background: linear-gradient(120deg, var(--purple), var(--gold));
  -webkit-background-clip: text; background-clip: text;
  color: transparent; -webkit-text-fill-color: transparent;
}
.lede { max-width: 44rem; margin: 0; font-size: 1.08rem; color: var(--muted); }
.lede strong { color: var(--text); font-weight: 500; }

/* ---------- Cards ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease, background-color .3s ease;
}

/* ---------- Featured / main project ---------- */
.featured { margin-top: .5rem; }
.featured-card {
  border-radius: var(--radius);
  padding: 1px;
  background: linear-gradient(135deg, rgba(139,119,201,.85), rgba(212,175,55,.65));
}
.featured-inner {
  border-radius: calc(var(--radius) - 1px);
  background: var(--featured-glow), var(--surface);
  padding: 2rem 2.25rem 2.25rem;
}
.featured-top {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap; margin-bottom: 1.4rem;
}
.badge {
  display: inline-flex; align-items: center; gap: .4rem;
  font-family: 'Quicksand', sans-serif; font-weight: 600;
  font-size: .72rem; letter-spacing: .12em; text-transform: uppercase;
  padding: .38rem .75rem; border-radius: 999px;
}
.badge-primary { color: #1A0A2E; background: linear-gradient(135deg, var(--gold-strong), #E8CD7A); }
.status { display: inline-flex; align-items: center; gap: .45rem; font-size: .82rem; color: var(--muted); }
.pulse { width: .5rem; height: .5rem; border-radius: 50%; background: var(--live); box-shadow: 0 0 0 3px var(--live-bg); }
.featured-inner h2 {
  font-family: 'Quicksand', sans-serif; font-weight: 700;
  font-size: clamp(1.8rem, 3.2vw, 2.5rem);
  letter-spacing: -.02em; line-height: 1.1;
  margin: 0 0 .8rem;
}
.featured-inner .desc { max-width: 46rem; margin: 0 0 1.5rem; color: var(--muted); font-size: 1.02rem; }
.tags { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.9rem; }
.tags span {
  font-family: 'Quicksand', sans-serif; font-weight: 600;
  font-size: .74rem; letter-spacing: .06em; text-transform: uppercase;
  color: var(--text); background: var(--surface-2);
  border: 1px solid var(--border);
  padding: .32rem .68rem; border-radius: 999px;
}
.card-actions { display: flex; align-items: center; gap: 1.1rem; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  font-family: 'Quicksand', sans-serif; font-weight: 600; font-size: .95rem;
  padding: .78rem 1.3rem; border-radius: .75rem; border: 0; cursor: pointer;
  text-decoration: none;
  transition: transform .15s ease, box-shadow .15s ease, background-color .15s ease, color .15s ease;
}
.btn-primary {
  color: #1A0A2E;
  background: linear-gradient(135deg, var(--gold-strong), #E8CD7A);
  box-shadow: 0 8px 20px rgba(212,175,55,.22);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 12px 26px rgba(212,175,55,.30); }
.btn-primary:disabled { opacity: .6; cursor: default; transform: none; box-shadow: none; }
.btn-ghost {
  color: var(--text); background: var(--surface-2);
  border: 1px solid var(--border);
}
.btn-ghost:hover { border-color: var(--purple); }
.btn-sm { padding: .5rem .95rem; font-size: .85rem; }
.btn-block { width: 100%; }
.btn .arrow { transition: transform .15s ease; }
.btn:hover .arrow { transform: translateX(2px); }
.meta { font-size: .85rem; color: var(--muted); }

/* ---------- Sections ---------- */
.section { margin-top: 3rem; }
.section-head { display: flex; align-items: center; gap: .7rem; margin-bottom: 1rem; }
.section-head h2 {
  font-family: 'Quicksand', sans-serif; font-weight: 700;
  font-size: 1.3rem; letter-spacing: -.01em; margin: 0;
}
.count {
  font-family: 'Quicksand', sans-serif; font-weight: 600; font-size: .76rem;
  color: var(--muted); background: var(--surface);
  border: 1px solid var(--border); border-radius: 999px;
  padding: .12rem .55rem;
}
.section-note { margin: 0 0 1.25rem; color: var(--muted); font-size: .95rem; }
.section-note strong { color: var(--text); font-weight: 600; }
.section-note a { color: var(--purple); text-decoration: none; }
.section-note a:hover { text-decoration: underline; }

.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; }

/* ---------- Tiles ---------- */
.tile { display: flex; flex-direction: column; padding: 1.5rem; text-decoration: none; }
.tile:hover { border-color: var(--purple); transform: translateY(-2px); box-shadow: var(--shadow); }
.tile-top { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 1.1rem; }
.monogram {
  width: 2.75rem; height: 2.75rem; border-radius: .8rem;
  display: inline-flex; align-items: center; justify-content: center;
  font-family: 'Quicksand', sans-serif; font-weight: 700; font-size: .88rem;
  color: #fff; letter-spacing: .02em; flex-shrink: 0;
}
.monogram.water { background: linear-gradient(135deg, #3B82F6, #22D3EE); }
.monogram.orbit { background: linear-gradient(135deg, #7B68AE, #D4AF37); }
.monogram.chart { background: linear-gradient(135deg, #2A1745, #7B68AE); }
.tag {
  font-family: 'Quicksand', sans-serif; font-weight: 600;
  font-size: .7rem; letter-spacing: .1em; text-transform: uppercase;
  padding: .28rem .62rem; border-radius: 999px;
}
.tag-live { color: var(--live); background: var(--live-bg); }
.tag-draft { color: var(--gold); background: var(--gold-bg); }
.tile h3 {
  font-family: 'Quicksand', sans-serif; font-weight: 700;
  font-size: 1.18rem; letter-spacing: -.01em;
  margin: 0 0 .4rem;
}
.tile p { margin: 0; color: var(--muted); font-size: .94rem; flex: 1; }
.card-link {
  display: inline-flex; align-items: center; gap: .35rem;
  font-family: 'Quicksand', sans-serif; font-weight: 600; font-size: .88rem;
  color: var(--purple); margin-top: 1rem;
  transition: gap .15s ease;
}
.tile:hover .card-link { gap: .55rem; }

/* ---------- Board ---------- */
.board-layout {
  display: grid;
  grid-template-columns: 20rem minmax(0, 1fr);
  gap: 1.25rem;
  align-items: start;
}

.composer { padding: 1.5rem; position: sticky; top: 1rem; }
.composer-title {
  font-family: 'Quicksand', sans-serif; font-weight: 700;
  font-size: 1.1rem; letter-spacing: -.01em; margin: 0 0 1.1rem;
}
.field { display: flex; flex-direction: column; gap: .4rem; margin-bottom: .95rem; }
.field-row { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: .75rem; }
.field-label {
  font-family: 'Quicksand', sans-serif; font-weight: 600;
  font-size: .74rem; letter-spacing: .08em; text-transform: uppercase;
  color: var(--muted);
}
.composer input[type="text"], .composer textarea, .composer select, .composer input[type="date"] {
  width: 100%;
  font-family: 'Inter', sans-serif; font-size: .92rem; color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: .6rem .75rem;
  transition: border-color .15s ease;
}
.composer textarea { resize: vertical; min-height: 5.5rem; }
.composer input:focus, .composer textarea:focus, .composer select:focus { border-color: var(--purple); }
.composer .user-switch.small .user-chip { font-size: .8rem; padding: .35rem .7rem; }
.composer .btn-block { margin-top: .25rem; }
.composer-error { min-height: 1.25rem; margin: .6rem 0 0; color: var(--rose); font-size: .82rem; }

/* ---------- Filters ---------- */
.filters { display: flex; gap: .5rem; flex-wrap: wrap; margin-bottom: 1rem; }
.filter-chip {
  font-family: 'Quicksand', sans-serif; font-weight: 600; font-size: .82rem;
  padding: .42rem .9rem; border-radius: 999px; cursor: pointer;
  color: var(--muted); background: var(--surface);
  border: 1px solid var(--border);
  transition: color .15s ease, border-color .15s ease, background-color .15s ease;
}
.filter-chip:hover { color: var(--text); border-color: var(--purple); }
.filter-chip.active { color: #1A0A2E; background: linear-gradient(135deg, var(--gold-strong), #E8CD7A); border-color: transparent; }

/* ---------- Plan list ---------- */
.plan-list { display: flex; flex-direction: column; gap: .9rem; }
.empty {
  padding: 2.5rem 1.5rem; text-align: center; color: var(--muted);
  border: 1px dashed var(--border); border-radius: var(--radius);
  font-size: .95rem;
}
.plan-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.2rem 1.3rem;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.plan-card:hover { border-color: rgba(139,119,201,.45); }
.plan-card.editing { border-color: var(--purple); }
.plan-top { display: flex; align-items: flex-start; gap: .9rem; }
.author-badge {
  width: 2.4rem; height: 2.4rem; border-radius: .7rem; flex-shrink: 0;
  display: inline-flex; align-items: center; justify-content: center;
  font-family: 'Quicksand', sans-serif; font-weight: 700; font-size: .9rem; color: #fff;
}
.author-kevin { background: linear-gradient(135deg, #38BDF8, #6366F1); }
.author-ryan { background: linear-gradient(135deg, #7B68AE, #D4AF37); }
.author-other { background: linear-gradient(135deg, #475569, #64748B); }
.plan-head { flex: 1; min-width: 0; }
.plan-title {
  font-family: 'Quicksand', sans-serif; font-weight: 700;
  font-size: 1.05rem; letter-spacing: -.01em;
  margin: 0 0 .15rem; overflow-wrap: anywhere;
}
.plan-meta { font-size: .78rem; color: var(--muted); }
.status-pill {
  flex-shrink: 0;
  font-family: 'Quicksand', sans-serif; font-weight: 600;
  font-size: .68rem; letter-spacing: .08em; text-transform: uppercase;
  padding: .26rem .6rem; border-radius: 999px;
}
.status-idea { color: var(--purple); background: rgba(139,119,201,.14); }
.status-plan { color: var(--blue); background: rgba(56,189,248,.14); }
.status-todo { color: var(--amber); background: rgba(245,158,11,.14); }
.status-done { color: var(--emerald); background: rgba(16,185,129,.14); }
.plan-body {
  margin: .8rem 0 0; color: var(--muted); font-size: .93rem;
  white-space: pre-wrap; overflow-wrap: anywhere;
}
.plan-actions {
  display: flex; gap: .25rem; justify-content: flex-end;
  margin-top: .85rem; padding-top: .7rem; border-top: 1px solid var(--border);
}
.link-btn {
  font-family: 'Quicksand', sans-serif; font-weight: 600; font-size: .8rem;
  padding: .35rem .7rem; border-radius: .55rem; cursor: pointer;
  color: var(--muted); background: transparent; border: 1px solid transparent;
  transition: color .15s ease, background-color .15s ease, border-color .15s ease;
}
.link-btn:hover { color: var(--text); background: var(--surface-2); border-color: var(--border); }
.link-btn.danger:hover { color: var(--rose); border-color: rgba(244,63,94,.35); }
.link-btn:disabled { opacity: .55; cursor: default; }

.plan-edit { display: flex; flex-direction: column; gap: .7rem; }
.plan-edit input, .plan-edit textarea, .plan-edit select {
  width: 100%;
  font-family: 'Inter', sans-serif; font-size: .92rem; color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: .6rem .75rem;
}
.plan-edit textarea { resize: vertical; min-height: 5rem; }
.plan-edit input:focus, .plan-edit textarea:focus, .plan-edit select:focus { border-color: var(--purple); }
.edit-row { display: flex; align-items: flex-end; justify-content: space-between; gap: .75rem; }
.edit-status { max-width: 9rem; }
.edit-actions { display: flex; gap: .5rem; }

/* ---------- Toast ---------- */
.toast-host {
  position: fixed; left: 50%; bottom: 1.5rem; transform: translateX(-50%);
  z-index: 50; pointer-events: none;
}
.toast {
  font-family: 'Quicksand', sans-serif; font-weight: 600; font-size: .88rem;
  color: var(--text); background: var(--surface-2);
  border: 1px solid var(--border); border-radius: 999px;
  padding: .6rem 1.1rem; box-shadow: var(--shadow);
  animation: toast-in .18s ease;
}
.toast.success { color: var(--live); border-color: rgba(74,222,128,.35); }
.toast.error { color: var(--rose); border-color: rgba(244,63,94,.35); }
@keyframes toast-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- Footer ---------- */
.footer { margin-top: 4rem; border-top: 1px solid var(--border); }
.footer-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: .75rem; flex-wrap: wrap;
  padding-top: 1.75rem; padding-bottom: 2.75rem;
  font-size: .82rem; color: var(--muted);
}

/* ---------- Responsive ---------- */
@media (max-width: 60rem) {
  .board-layout { grid-template-columns: 1fr; }
  .composer { position: static; }
}
@media (max-width: 40rem) {
  .grid { grid-template-columns: 1fr; }
  .hero { padding: 2.75rem 0 2rem; }
  .featured-inner { padding: 1.6rem 1.4rem 1.75rem; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .topbar-right { gap: .5rem; }
  .user-chip { padding: .35rem .65rem; font-size: .8rem; }
  .field-row { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}