/* Second Brain Dashboard — mobile-first (R10). ออกแบบ column เดียว ปุ่มใหญ่ */
:root {
  --bg: #f4f5f7;
  --surface: #ffffff;
  --text: #1c1d21;
  --muted: #6b7280;
  --border: #e3e5e9;
  --active: #16a34a;
  --active-bg: #eafaf0;
  --parked: #9aa0aa;
  --parked-bg: #f0f1f3;
  --unknown: #d97706;
  --unknown-bg: #fdf3e6;
  --accent: #2563eb;
  --danger: #dc2626;
  --radius: 14px;
  --tap: 44px; /* ขนาดปุ่มขั้นต่ำแตะด้วยนิ้ว */
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16171a; --surface: #212327; --text: #e8e9ec; --muted: #9aa0aa;
    --border: #33353b; --active-bg: #12301f; --parked-bg: #26282d;
    --unknown-bg: #2e2410; --accent: #5b8cff;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; } /* ชนะ .modal/.login ที่ตั้ง display ไว้ */
html, body { margin: 0; }
body {
  font-family: -apple-system, "Segoe UI", "Sarabun", system-ui, sans-serif;
  background: var(--bg); color: var(--text);
  line-height: 1.5;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}
h1 { font-size: 1.15rem; margin: 0; }
.muted { color: var(--muted); }
.center { text-align: center; }
.error { color: var(--danger); min-height: 1.2em; margin: .5rem 0 0; font-size: .9rem; }

/* ---------- login ---------- */
.login { min-height: 100dvh; display: grid; place-items: center; padding: 1.25rem; }
.login-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.75rem 1.5rem; width: 100%; max-width: 360px; text-align: center;
}
.login-card h1 { font-size: 1.5rem; margin-bottom: .25rem; }
.login-card input {
  width: 100%; margin-top: 1rem; padding: .8rem 1rem; font-size: 1rem;
  border: 1px solid var(--border); border-radius: 10px; background: var(--bg); color: var(--text);
  min-height: var(--tap);
}
.login-card button {
  width: 100%; margin-top: .9rem; min-height: var(--tap); padding: .8rem;
  font-size: 1rem; font-weight: 600; border: 0; border-radius: 10px;
  background: var(--accent); color: #fff; cursor: pointer;
}

/* ---------- topbar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 5;
  display: flex; align-items: center; justify-content: space-between; gap: .5rem;
  padding: .85rem 1rem; background: var(--surface); border-bottom: 1px solid var(--border);
}
.topbar-actions { display: flex; gap: .4rem; }
.icon-btn {
  min-width: var(--tap); min-height: var(--tap); font-size: 1.2rem;
  border: 1px solid var(--border); border-radius: 10px; background: var(--bg);
  color: var(--text); cursor: pointer;
}

.banner {
  margin: .75rem 1rem 0; padding: .7rem .9rem; border-radius: 10px;
  background: var(--unknown-bg); color: var(--text); font-size: .9rem;
  border: 1px solid var(--border);
}
.banner.err { background: #fdeaea; color: var(--danger); border-color: #f3c2c2; }

/* ---------- cards ---------- */
.cards {
  display: grid; grid-template-columns: 1fr; gap: .85rem;
  padding: 1rem; max-width: 720px; margin: 0 auto;
}
.card {
  background: var(--surface); border: 1px solid var(--border); border-left: 5px solid var(--parked);
  border-radius: var(--radius); padding: 1rem; cursor: pointer; text-align: left;
  display: block; width: 100%; color: inherit; font: inherit;
}
.card:active { transform: scale(.99); }
.card.active { border-left-color: var(--active); }
.card.unknown { border-left-color: var(--unknown); }
.card-top { display: flex; align-items: center; justify-content: space-between; gap: .5rem; }
.card-name { font-size: 1.05rem; font-weight: 700; }
.pill {
  font-size: .72rem; font-weight: 700; letter-spacing: .02em; padding: .2rem .55rem;
  border-radius: 999px; white-space: nowrap; background: var(--parked-bg); color: var(--parked);
}
.pill.active { background: var(--active-bg); color: var(--active); }
.pill.unknown { background: var(--unknown-bg); color: var(--unknown); }
.card.parked { opacity: .82; }
.card-stage { font-size: .85rem; color: var(--muted); margin-top: .35rem; }
.card-next {
  margin-top: .6rem; padding: .55rem .7rem; background: var(--bg); border-radius: 9px;
  font-size: .92rem;
}
.card-next b { color: var(--accent); font-weight: 700; }
.card-meta { margin-top: .55rem; font-size: .76rem; color: var(--muted); }

.foot { text-align: center; padding: 0 1rem 2rem; }
.link-btn { background: none; border: 0; color: var(--accent); cursor: pointer; font-size: .9rem; padding: .5rem; }

/* ---------- modal ---------- */
.modal {
  position: fixed; inset: 0; background: rgba(0,0,0,.45);
  display: flex; align-items: flex-end; justify-content: center; z-index: 20;
}
.modal-box {
  background: var(--surface); width: 100%; max-width: 720px; max-height: 92dvh;
  border-radius: 16px 16px 0 0; display: flex; flex-direction: column;
}
@media (min-width: 640px) {
  .modal { align-items: center; }
  .modal-box { border-radius: 16px; max-height: 88dvh; }
}
.modal-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: .85rem 1rem; border-bottom: 1px solid var(--border);
}
.modal-head h2 { font-size: 1rem; margin: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.modal-body { padding: 1rem; overflow: auto; flex: 1; }
.modal-body textarea {
  width: 100%; min-height: 55dvh; font-family: ui-monospace, "Cascadia Code", monospace;
  font-size: .9rem; border: 1px solid var(--border); border-radius: 10px; padding: .75rem;
  background: var(--bg); color: var(--text); resize: vertical;
}
/* markdown ที่ render แล้ว */
.md h1,.md h2,.md h3 { line-height: 1.3; }
.md pre { background: var(--bg); padding: .75rem; border-radius: 8px; overflow: auto; }
.md code { background: var(--bg); padding: .1rem .3rem; border-radius: 4px; }
.md table { border-collapse: collapse; width: 100%; display: block; overflow-x: auto; }
.md th,.md td { border: 1px solid var(--border); padding: .4rem .6rem; }
.md blockquote { border-left: 3px solid var(--border); margin: .5rem 0; padding-left: .75rem; color: var(--muted); }
.modal-foot {
  display: flex; align-items: center; justify-content: space-between; gap: .5rem;
  padding: .75rem 1rem; border-top: 1px solid var(--border);
}
.modal-msg { font-size: .82rem; color: var(--muted); }
.modal-msg.err { color: var(--danger); }
.modal-msg.ok { color: var(--active); }
.modal-btns { display: flex; gap: .5rem; }
.btn-primary, .btn-secondary {
  min-height: var(--tap); padding: .55rem 1rem; border-radius: 10px; font-size: .95rem;
  font-weight: 600; cursor: pointer; border: 1px solid var(--border);
}
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-secondary { background: var(--surface); color: var(--text); }
button:disabled { opacity: .55; cursor: default; }