/* Note Newt — one small stylesheet, no framework. Light + dark aware. */

:root {
  --bg: #f6f7f5;
  --surface: #ffffff;
  --surface-2: #eef1ee;
  --text: #1a201d;
  --muted: #667069;
  --border: #dfe4e0;
  --brand: #1f9d76;
  --brand-ink: #0f5c45;
  --danger: #c0392b;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --radius: 10px;
  --maxw: 1100px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141816;
    --surface: #1c2320;
    --surface-2: #232b27;
    --text: #e7ece9;
    --muted: #9aa8a1;
    --border: #2c352f;
    --brand: #35c795;
    --brand-ink: #7ee0bd;
    --shadow: none;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
}

body {
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--brand-ink); }

/* --- buttons --- */
.btn {
  font: inherit;
  font-weight: 600;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 0.45rem 0.85rem;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  line-height: 1;
}
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { filter: brightness(1.05); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn-ghost:hover { background: var(--surface-2); }
.btn-danger { background: transparent; color: var(--danger); border-color: transparent; }
.btn-danger:hover { background: rgba(192, 57, 43, 0.1); }

/* ================= App ================= */
.app-body { display: flex; flex-direction: column; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 1rem;
  padding-top: calc(0.6rem + env(safe-area-inset-top));
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand { font-weight: 700; font-size: 1.15rem; color: var(--text); text-decoration: none; }
.topbar-actions { display: flex; gap: 0.5rem; align-items: center; }
.sync-status { color: var(--muted); font-size: 0.85rem; }

.layout {
  flex: 1;
  display: grid;
  grid-template-columns: minmax(240px, 320px) 1fr;
  min-height: 0;
  max-width: var(--maxw);
  width: 100%;
  margin: 0 auto;
}

.sidebar {
  border-right: 1px solid var(--border);
  overflow-y: auto;
  background: var(--bg);
}
.note-list { list-style: none; margin: 0; padding: 0.5rem; }
.note-item {
  padding: 0.7rem 0.8rem;
  border-radius: var(--radius);
  cursor: pointer;
  border: 1px solid transparent;
}
.note-item:hover { background: var(--surface-2); }
.note-item.active { background: var(--surface); border-color: var(--border); box-shadow: var(--shadow); }
.note-item h3 {
  margin: 0 0 0.15rem;
  font-size: 0.95rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.note-item p {
  margin: 0;
  font-size: 0.82rem;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.empty-hint { color: var(--muted); text-align: center; padding: 2rem 1rem; }

.editor-pane { display: flex; flex-direction: column; min-height: 0; background: var(--surface); }
.editor-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-bottom: 1px solid var(--border);
}
.back-btn { display: none; }
.status { color: var(--muted); font-size: 0.8rem; flex: 1; }
.editor {
  flex: 1;
  width: 100%;
  border: 0;
  outline: none;
  resize: none;
  padding: 1.25rem;
  font: inherit;
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--surface);
}
.ad-slot:empty { display: none; }
.ad { display: inline-flex; align-items: center; gap: 0.5rem; color: var(--muted); text-decoration: none; }
.ad:hover { color: var(--text); }
.ad img { max-width: 100%; height: auto; border-radius: 6px; }
.ad-slot {
  border-top: 1px solid var(--border);
  padding: 0.6rem 1rem;
  font-size: 0.85rem;
  color: var(--muted);
  background: var(--bg);
}

/* Mobile: one pane at a time. */
@media (max-width: 720px) {
  .layout { grid-template-columns: 1fr; }
  .layout[data-view="list"] .editor-pane { display: none; }
  .layout[data-view="editor"] .sidebar { display: none; }
  .back-btn { display: inline-flex; }
}

/* ================= Marketing / content pages ================= */
.page { max-width: 760px; margin: 0 auto; padding: 2rem 1.25rem 4rem; }
.hero { text-align: center; padding: 3rem 1rem 2rem; }
.hero h1 { font-size: 2.4rem; margin: 0.5rem 0; }
.hero .tagline { font-size: 1.2rem; color: var(--muted); margin: 0 auto 1.5rem; max-width: 34ch; }
.cta {
  display: inline-block;
  background: var(--brand);
  color: #fff;
  font-weight: 700;
  padding: 0.85rem 1.6rem;
  border-radius: 10px;
  text-decoration: none;
  font-size: 1.1rem;
}
.cta:hover { filter: brightness(1.05); }
.features { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); margin: 2.5rem 0; }
.feature { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.25rem; box-shadow: var(--shadow); }
.feature h3 { margin: 0 0 0.4rem; }
.feature p { margin: 0; color: var(--muted); }
.content h1 { font-size: 2rem; }
.content h2 { margin-top: 2rem; }
.content p, .content li { color: var(--text); }
.site-footer { border-top: 1px solid var(--border); padding: 2rem 1.25rem; text-align: center; color: var(--muted); font-size: 0.9rem; }
.site-footer a { margin: 0 0.5rem; }

/* ================= Auth pages ================= */
.auth-card {
  max-width: 420px;
  margin: 4rem auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
}
.auth-card h1 { margin-top: 0; }
.field { display: block; width: 100%; padding: 0.7rem 0.85rem; font: inherit; margin: 0.5rem 0 1rem; border: 1px solid var(--border); border-radius: 8px; background: var(--bg); color: var(--text); }
.msg { padding: 0.75rem; border-radius: 8px; margin: 1rem 0; }
.msg-ok { background: rgba(31, 157, 118, 0.12); color: var(--brand-ink); }
.msg-err { background: rgba(192, 57, 43, 0.12); color: var(--danger); }
.muted { color: var(--muted); font-size: 0.9rem; }