:root {
  --bg: #f6f3ee;
  --surface: #fffdf9;
  --ink: #23211e;
  --muted: #77716a;
  --line: #e4ded4;
  --accent: #3b5bdb;
  --accent-ink: #fff;
  --accent-soft: #e3e8fb;
  --danger: #c92a2a;
  --audio: #2f9e44;
  --image: #e8590c;
  --radius: 12px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1c1b19;
    --surface: #262522;
    --ink: #ece8e1;
    --muted: #9b958c;
    --line: #3a3833;
    --accent: #7b93f0;
    --accent-ink: #11131a;
    --accent-soft: #2c3350;
    --danger: #ff6b6b;
    --audio: #69db7c;
    --image: #ffa94d;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
  padding: env(safe-area-inset-top) 0 env(safe-area-inset-bottom);
}

[hidden] { display: none !important; }

h1, h2, h3 { line-height: 1.2; margin: 0 0 .5rem; }
h2 { font-size: 1.1rem; }
.muted { color: var(--muted); }
code { font-size: .9em; }

input, textarea, button { font: inherit; color: inherit; }

input, textarea {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: .6rem .75rem;
}
textarea { resize: vertical; }
input:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; border-color: transparent; }

label { display: block; font-weight: 600; font-size: .85rem; margin: .75rem 0 .35rem; }

button, .button {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: .5rem .9rem;
  cursor: pointer;
  background: none;
  font-weight: 500;
}
button:disabled { opacity: .6; cursor: progress; }
.primary { background: var(--accent); color: var(--accent-ink); }
.ghost { border-color: var(--line); background: var(--surface); }
.ghost:hover { border-color: var(--muted); }
.small { padding: .2rem .55rem; font-size: .8rem; }

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
}

/* login */

.login { min-height: 80dvh; display: grid; place-items: center; padding: 1rem; }
.login-card { width: min(100%, 24rem); }
.login-card h1 { font-size: 2rem; }
.login-card button { width: 100%; justify-content: center; margin-top: .75rem; }

/* layout */

.topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem 1rem;
  padding: .6rem 1rem;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
.brand { font-weight: 700; font-size: 1.1rem; }
.tabs { display: flex; gap: .25rem; }
.tab { padding: .35rem .75rem; color: var(--muted); }
.tab.active { background: var(--accent-soft); color: var(--ink); }
.account { margin-left: auto; display: flex; align-items: center; gap: .5rem; font-size: .85rem; }

.view { max-width: 46rem; margin: 0 auto; padding: 1rem; }
.section-title { margin-top: 1.75rem; font-size: .85rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }

@media (max-width: 560px) {
  .account #user-email { display: none; }
  .tabs { order: 3; width: 100%; }
  .tab { flex: 1; justify-content: center; }
}

/* composer */

.composer textarea { border: none; padding: .25rem; font-size: 1.05rem; }
.composer textarea:focus { outline: none; }
.composer-actions { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem; margin-top: .5rem; }
.composer-actions .primary { margin-left: auto; }
.dot { width: .6rem; height: .6rem; border-radius: 50%; background: var(--danger); }
#record.recording { border-color: var(--danger); color: var(--danger); }
#record.recording .dot { animation: pulse 1s infinite; }
@keyframes pulse { 50% { opacity: .25; } }

.attachment { display: flex; align-items: center; gap: .75rem; margin-top: .5rem; flex-wrap: wrap; }
.media { display: block; max-width: 100%; border-radius: 8px; }
img.media { max-height: 18rem; object-fit: contain; }
audio.media { width: 100%; max-width: 26rem; }
.attachment .media { flex: 1; }

.review { margin-top: 0; }
.review #review-media:not(:empty) { margin-bottom: .5rem; }
.inline { display: flex; gap: .5rem; margin-top: .75rem; }
.row-end { display: flex; justify-content: flex-end; gap: .5rem; margin-top: 1rem; }

/* chips */

.chips { display: flex; flex-wrap: wrap; gap: .4rem; }
.chip {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: .2rem .7rem;
  font-size: .85rem;
  background: var(--surface);
}
.chip.on { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.chip .count { font-size: .75rem; opacity: .7; }
.filters { margin: .75rem 0 1rem; }

/* thought list */

.thought-list { list-style: none; padding: 0; margin: 0; display: grid; gap: .75rem; }
.thought { display: grid; gap: .6rem; }
.thought .text { margin: 0; white-space: pre-wrap; }
.thought-head { display: flex; align-items: center; gap: .6rem; font-size: .8rem; }
.thought-head button { margin-left: auto; }
.kind { font-weight: 600; text-transform: uppercase; letter-spacing: .05em; font-size: .7rem; color: var(--accent); }
.kind-audio { color: var(--audio); }
.kind-image { color: var(--image); }
.empty { padding: 1rem 0; }

/* graph */

.graph-view { max-width: none; position: relative; padding: 0; }
.graph-view .hint { position: absolute; left: 1rem; top: .5rem; margin: 0; font-size: .8rem; pointer-events: none; }
#graph { display: block; width: 100%; height: calc(100dvh - 3.5rem); cursor: grab; }
#graph .links line { stroke: var(--line); stroke-width: 1.2; }
#graph .node { cursor: pointer; transition: opacity .2s; }
#graph .node.topic circle { fill: var(--accent-soft); stroke: var(--accent); stroke-width: 1.5; }
#graph .node.topic text { fill: var(--ink); font-size: 12px; font-weight: 600; paint-order: stroke; stroke: var(--bg); stroke-width: 3px; }
#graph .node.topic.selected circle { fill: var(--accent); }
#graph .node.thought circle { fill: var(--muted); stroke: var(--surface); stroke-width: 1.5; }
#graph .node.kind-audio circle { fill: var(--audio); }
#graph .node.kind-image circle { fill: var(--image); }
#graph .dim { opacity: .15; }
#graph .empty { fill: var(--muted); }

.graph-detail {
  position: absolute;
  right: 1rem;
  top: 1rem;
  width: min(24rem, calc(100% - 2rem));
  max-height: calc(100% - 2rem);
  overflow: auto;
  box-shadow: 0 8px 30px rgb(0 0 0 / .15);
}
.graph-detail .close { float: right; }
.graph-detail .thought { border: none; padding: 0; clear: both; }

/* integrations */

.integrations { display: grid; gap: 1rem; }
.integrations p { margin: 0 0 .75rem; }
.link-list { list-style: none; padding: 0; margin: 0 0 .75rem; display: grid; gap: .4rem; }
.link-list li { display: flex; align-items: center; gap: .6rem; padding: .5rem .75rem; border: 1px solid var(--line); border-radius: 8px; }
.link-list li button { margin-left: auto; }
.pending { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem; margin-top: .75rem; }
a.button { text-decoration: none; }
.source { font-size: .7rem; }