:root {
  --bg: #f5f4f0;
  --paper: #ffffff;
  --ink: #1f2328;
  --ink-soft: #57606a;
  --ink-faint: #8b949e;
  --line: #e3e1da;
  --line-strong: #d0cec6;
  --accent: #2f5d50;      /* rails-ish muted green */
  --accent-ink: #ffffff;
  --link: #315b8c;
  --open: #315b8c;
  --stale: #9a6a00;
  --complete: #2f7a43;
  --danger: #a12d2d;
  --shadow: 0 1px 2px rgba(27, 31, 35, 0.06), 0 1px 1px rgba(27, 31, 35, 0.04);
  --radius: 8px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

button {
  font-family: inherit;
  font-size: 14px;
  cursor: pointer;
  border: 1px solid var(--line-strong);
  background: #fff;
  color: var(--ink);
  padding: 6px 12px;
  border-radius: 6px;
  transition: background 0.12s ease, border-color 0.12s ease;
}
button:hover { background: #f6f5f2; }
button:disabled { opacity: 0.45; cursor: not-allowed; }

button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
}
button.primary:hover { background: #274c41; }

button.danger { color: var(--danger); border-color: #e2c7c7; }
button.danger:hover { background: #fbf2f2; }

button.ghost { border-color: transparent; background: transparent; color: var(--ink-soft); }
button.ghost:hover { background: #ece9e2; }

input, textarea, select {
  font-family: inherit;
  font-size: 15px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  padding: 8px 10px;
  width: 100%;
}
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(47, 93, 80, 0.12);
}
textarea { resize: vertical; min-height: 84px; }
label { display: block; font-size: 13px; font-weight: 600; color: var(--ink-soft); margin-bottom: 4px; }

/* ---- login ---- */
.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.login-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  width: 100%;
  max-width: 360px;
  padding: 28px;
}
.login-card h1 { margin: 0 0 4px; font-size: 22px; letter-spacing: -0.01em; }
.login-card .sub { color: var(--ink-faint); font-size: 13px; margin-bottom: 20px; }
.login-card .field { margin-bottom: 14px; }
.login-card button { width: 100%; padding: 9px; }

/* ---- app shell ---- */
header.appbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: saturate(1.6) blur(6px);
  border-bottom: 1px solid var(--line);
}
.appbar-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.brand { font-weight: 700; letter-spacing: -0.01em; font-size: 16px; white-space: nowrap; }
.brand .dot { color: var(--accent); }
.appbar select { width: auto; min-width: 180px; padding: 6px 8px; font-size: 14px; }
.appbar .spacer { flex: 1; }
.appbar .who { color: var(--ink-faint); font-size: 13px; white-space: nowrap; }

main {
  max-width: 900px;
  margin: 0 auto;
  padding: 22px 20px 80px;
}

/* ---- toolbar ---- */
.toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.tabs { display: inline-flex; border: 1px solid var(--line-strong); border-radius: 7px; overflow: hidden; }
.tabs button {
  border: none;
  border-radius: 0;
  background: #fff;
  color: var(--ink-soft);
  padding: 6px 13px;
  border-right: 1px solid var(--line);
}
.tabs button:last-child { border-right: none; }
.tabs button.active { background: var(--accent); color: #fff; font-weight: 600; }
.tabs button.active:hover { background: #274c41; }
.tabs .count { opacity: 0.7; font-size: 12px; margin-left: 5px; }
.toolbar .spacer { flex: 1; }
.sel-info { color: var(--ink-faint); font-size: 13px; }

/* ---- AI command bar ---- */
.cmd-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: -6px 0 18px;
  padding: 10px 12px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.cmd-bar input {
  flex: 1;
  border: none;
  background: transparent;
  padding: 4px 2px;
  font-size: 14.5px;
}
.cmd-bar input:focus { outline: none; box-shadow: none; }
#cmd-mic {
  flex: none;
  width: 34px;
  height: 34px;
  padding: 0;
  border-radius: 50%;
  font-size: 15px;
  line-height: 1;
}
#cmd-mic.recording {
  background: var(--danger);
  border-color: var(--danger);
  color: #fff;
  animation: pulse 1.1s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.55; } }
.cmd-status { color: var(--ink-faint); font-size: 12.5px; white-space: nowrap; }

/* ---- new suggestion form ---- */
.new-form {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
  margin-bottom: 18px;
}
.new-form .row { margin-bottom: 12px; }
.new-form .actions { display: flex; gap: 8px; }

/* ---- list ---- */
.list { display: flex; flex-direction: column; gap: 7px; }

.item {
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 3px solid var(--line-strong);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.item.s-open { border-left-color: var(--open); }
.item.s-stale { border-left-color: var(--stale); }
.item.s-complete { border-left-color: var(--complete); }

.item-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
}
.item-row input[type="checkbox"] { width: 16px; height: 16px; cursor: pointer; flex: none; }

.caret {
  border: none; background: none; padding: 0; flex: none;
  width: 16px; height: 16px; font-size: 10px; line-height: 16px;
  color: var(--ink-faint); text-align: center;
  transition: transform 0.15s ease;
}
.caret:hover { background: none; color: var(--ink); }
.item.expanded .caret { transform: rotate(90deg); }

.item-row .title {
  font-weight: 600; font-size: 15px; letter-spacing: -0.01em; cursor: pointer;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.item.s-complete .title { text-decoration: line-through; color: var(--ink-faint); }
.item-row .grow { flex: 1; min-width: 6px; }
.item-row .meta { color: var(--ink-faint); font-size: 12.5px; white-space: nowrap; }
.item-row .meta .ev { margin-left: 10px; }

.row-actions { display: flex; gap: 5px; flex: none; }
.row-actions button { padding: 3px 9px; font-size: 12.5px; white-space: nowrap; }
.row-actions .x {
  color: var(--ink-faint); border-color: transparent; background: transparent;
  padding: 3px 7px; font-size: 13px;
}
.row-actions .x:hover { color: var(--danger); background: rgba(161, 45, 45, 0.08); }

.badge {
  display: inline-block; flex: none;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 2px 8px;
  border-radius: 999px;
}
.badge.open { background: #e7eef6; color: var(--open); }
.badge.stale { background: #f6efdd; color: var(--stale); }
.badge.complete { background: #e3f1e7; color: var(--complete); }

/* ---- expandable detail ---- */
.detail {
  border-top: 1px solid var(--line);
  padding: 14px 16px 16px 33px;
  background: rgba(127, 127, 127, 0.05);
  font-size: 14px;
}
.detail .d-body { color: var(--ink-soft); white-space: pre-wrap; margin-bottom: 14px; }
.detail .d-empty { color: var(--ink-faint); font-style: italic; }
.detail h4 {
  margin: 0 0 8px; font-size: 11px; text-transform: uppercase;
  letter-spacing: 0.05em; color: var(--ink-faint); font-weight: 700;
}

.timeline { display: flex; flex-direction: column; }
.tl {
  display: grid; grid-template-columns: 44px 1fr; gap: 10px;
  padding: 5px 0; align-items: baseline;
}
.tl + .tl { border-top: 1px solid var(--line); }
.tl .clock { color: var(--ink-faint); font-size: 12px; font-variant-numeric: tabular-nums; }
.tl.say .txt { color: var(--ink); }
.tl.evt .txt { color: var(--ink-soft); }
.tl .kind {
  display: inline-block; font-size: 10.5px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.03em; color: var(--accent); margin-right: 7px; vertical-align: 1px;
}
.tl code {
  background: rgba(127, 127, 127, 0.18); padding: 1px 5px; border-radius: 4px;
  font-size: 12.5px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
.tl .quote { color: var(--ink); }
.tl .dim { color: var(--ink-faint); font-size: 12.5px; word-break: break-word; }
.tl .shot {
  display: block; margin-top: 7px; max-width: 340px; width: 100%;
  border: 1px solid var(--line-strong); border-radius: 6px;
}

/* ---- empty / flash ---- */
.empty {
  text-align: center;
  color: var(--ink-faint);
  padding: 56px 20px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.4);
}
.empty h3 { margin: 0 0 6px; color: var(--ink-soft); font-weight: 600; }

.flash {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  color: #fff;
  padding: 10px 18px;
  border-radius: 8px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.2);
  font-size: 14px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.flash.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.flash.err { background: var(--danger); }

.error-text { color: var(--danger); font-size: 13px; margin-top: 10px; min-height: 18px; }
.hidden { display: none !important; }

@media (max-width: 560px) {
  .item-row { flex-wrap: wrap; }
  .item-row .meta { order: 3; }
  .row-actions { order: 4; margin-left: auto; }
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1b1d1a;
    --paper: #262925;
    --ink: #e9e7e0;
    --ink-soft: #b4b1a8;
    --ink-faint: #8a877e;
    --line: #35382f;
    --line-strong: #444840;
    --accent: #6ba892;
    --accent-ink: #10201a;
    --link: #85b0dc;
    --open: #85b0dc;
    --stale: #d9b25a;
    --complete: #7cc48c;
  }
  header.appbar { background: rgba(30, 32, 28, 0.9); }
  button { background: #2f322d; }
  button:hover { background: #383b34; }
  input, textarea, select { background: #2f322d; }
  .tabs button { background: #2f322d; }
  .badge.open { background: #22303d; }
  .badge.stale { background: #3a3320; }
  .badge.complete { background: #22331f; }
}