/* Resets and tokens
   ---------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "Segoe UI", sans-serif;
  font-size: 15px;
  line-height: 1.45;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
button { font: inherit; cursor: pointer; }
input, textarea { font: inherit; color: inherit; }
input:focus, textarea:focus, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.hidden { display: none !important; }

:root {
  color-scheme: light dark;
  --bg: #faf8f4;
  --bg-elev: #ffffff;
  --text: #1c1c1e;
  --text-muted: #6c6c70;
  --text-subtle: #9b9ba1;
  --border: #e7e3da;
  --border-strong: #d4cfc3;
  --accent: #6f5cff;
  --accent-soft: #efebff;
  --danger: #d14a4a;
  --shadow-sm: 0 1px 2px rgba(20, 14, 0, 0.05), 0 1px 3px rgba(20, 14, 0, 0.04);
  --shadow-md: 0 4px 14px rgba(20, 14, 0, 0.08), 0 2px 6px rgba(20, 14, 0, 0.05);
  --shadow-lg: 0 24px 60px rgba(20, 14, 0, 0.18), 0 8px 24px rgba(20, 14, 0, 0.10);

  --color-none:     #ffffff;
  --color-coral:    #fa6666;
  --color-peach:    #ffb872;
  --color-yellow:   #ffeb66;
  --color-mint:     #99f2ba;
  --color-teal:     #66d8d4;
  --color-sky:      #73beff;
  --color-lavender: #c7adff;
  --color-pink:     #ff9ed6;

  /* Text/border that ride on top of a colored note bg. Light-mode default. */
  --on-color-text:        #1c1c1e;
  --on-color-text-muted:  rgba(0, 0, 0, 0.65);
  --on-color-text-subtle: rgba(0, 0, 0, 0.55);
  --on-color-border:      rgba(0, 0, 0, 0.08);
  --on-color-divider:     rgba(0, 0, 0, 0.06);
  --on-color-chip-bg:     rgba(0, 0, 0, 0.10);
  --on-color-chip-text:   rgba(0, 0, 0, 0.70);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #18171a;
    --bg-elev: #232227;
    --text: #f1efe9;
    --text-muted: #a1a0a6;
    --text-subtle: #74737a;
    --border: #2c2b30;
    --border-strong: #3a393f;
    --accent: #9685ff;
    --accent-soft: #2a234f;

    /* Card colors: desaturated for dark canvas, paired with light text. */
    --color-none:     #2a292e;
    --color-coral:    #6b2e2e;
    --color-peach:    #6e4a2a;
    --color-yellow:   #5b5424;
    --color-mint:     #2c5b3f;
    --color-teal:     #2a5755;
    --color-sky:      #294b6e;
    --color-lavender: #463a66;
    --color-pink:     #6a3955;

    --on-color-text:        #f1efe9;
    --on-color-text-muted:  rgba(255, 255, 255, 0.78);
    --on-color-text-subtle: rgba(255, 255, 255, 0.62);
    --on-color-border:      rgba(255, 255, 255, 0.10);
    --on-color-divider:     rgba(255, 255, 255, 0.10);
    --on-color-chip-bg:     rgba(255, 255, 255, 0.12);
    --on-color-chip-text:   rgba(255, 255, 255, 0.85);
  }
}

/* Brand
   ---------------------------------------------------------------------- */
.brand { display: flex; align-items: center; gap: 10px; }
.brand h1 { font-size: 26px; margin: 0; letter-spacing: -0.01em; }
.brand.small { gap: 8px; }
.brand.small span { font-weight: 600; font-size: 15px; letter-spacing: -0.005em; }
.brand-mark {
  width: 28px; height: 28px; border-radius: 7px;
  background: linear-gradient(135deg, #8b6cff 0%, #4080ff 100%);
  position: relative;
  flex-shrink: 0;
}
.brand-mark::before, .brand-mark::after {
  content: ""; position: absolute; left: 6px; right: 6px; height: 2.5px;
  background: white; border-radius: 2px;
}
.brand-mark::before { top: 8px; }
.brand-mark::after { top: 14px; box-shadow: 0 6px 0 white; width: 8px; }
.brand.small .brand-mark { width: 22px; height: 22px; border-radius: 6px; }
.brand.small .brand-mark::before, .brand.small .brand-mark::after {
  left: 4px; right: 4px; height: 2px;
}
.brand.small .brand-mark::before { top: 6px; }
.brand.small .brand-mark::after  { top: 11px; box-shadow: 0 5px 0 white; width: 7px; }

/* Auth screen
   ---------------------------------------------------------------------- */
.auth {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px;
  background:
    radial-gradient(circle at 20% 0%, #efe5ff 0%, transparent 50%),
    radial-gradient(circle at 80% 100%, #d6e9ff 0%, transparent 50%),
    var(--bg);
}
.auth-card {
  background: var(--bg-elev);
  width: 100%;
  max-width: 420px;
  padding: 40px;
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
}
.auth-subtitle { color: var(--text-muted); margin: 8px 0 24px; }
.seg {
  display: flex; gap: 4px; padding: 4px;
  background: var(--bg); border-radius: 10px;
  margin-bottom: 20px;
}
.seg-btn {
  flex: 1; border: 0; background: transparent;
  padding: 8px 12px; border-radius: 7px; color: var(--text-muted);
  font-weight: 500; transition: 0.15s;
}
.seg-btn.active { background: var(--bg-elev); color: var(--text); box-shadow: var(--shadow-sm); }
#auth-form label { display: block; margin-bottom: 14px; }
#auth-form label span {
  display: block; font-size: 12px; font-weight: 600; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 6px;
}
#auth-form input {
  width: 100%; padding: 12px 14px; background: var(--bg);
  border: 1px solid var(--border); border-radius: 10px;
}
.btn-primary {
  width: 100%; padding: 13px;
  background: var(--accent); color: white; border: 0; border-radius: 10px;
  font-weight: 600; transition: 0.15s; margin-top: 8px;
}
.btn-primary:hover { filter: brightness(1.08); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }
.error { color: var(--danger); font-size: 13px; margin: 8px 0 0; }

/* Topbar
   ---------------------------------------------------------------------- */
.topbar {
  position: sticky; top: 0; z-index: 10;
  background: rgba(250, 248, 244, 0.85);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--border);
}
@media (prefers-color-scheme: dark) {
  .topbar { background: rgba(24, 23, 26, 0.85); }
}
.topbar-inner {
  max-width: 1400px; margin: 0 auto;
  padding: 14px 24px;
  display: grid; grid-template-columns: auto 1fr auto auto;
  gap: 18px; align-items: center;
}
.search {
  display: flex; align-items: center; gap: 8px;
  padding: 9px 14px;
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: 11px; color: var(--text-muted);
  max-width: 520px; width: 100%;
  transition: 0.15s;
}
.search:focus-within { border-color: var(--border-strong); }
.search input { border: 0; background: transparent; flex: 1; padding: 0; }
.search input:focus { outline: none; }
.sync-status { font-size: 12px; color: var(--text-muted); }
.sync-status.error { color: var(--danger); }
.account { position: relative; }
.icon-btn {
  display: inline-grid; place-items: center;
  width: 38px; height: 38px;
  border: 1px solid var(--border); background: var(--bg-elev);
  border-radius: 11px; color: var(--text-muted);
  transition: 0.15s;
}
.icon-btn:hover { color: var(--text); border-color: var(--border-strong); }
.icon-btn.ghost { border: 0; background: transparent; }
.icon-btn.active { color: var(--accent); border-color: var(--accent); background: var(--accent-soft); }

.account-menu {
  position: absolute; top: 48px; right: 0;
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: 12px; box-shadow: var(--shadow-md);
  padding: 6px; min-width: 220px; z-index: 20;
}
.account-menu .account-email {
  padding: 10px 12px; font-size: 13px; color: var(--text-muted);
  border-bottom: 1px solid var(--border); margin-bottom: 4px;
  word-break: break-all;
}
.account-menu button {
  display: block; width: 100%; text-align: left;
  padding: 9px 12px; border: 0; background: transparent;
  border-radius: 8px; color: var(--text);
}
.account-menu button:hover { background: var(--bg); }

/* Content
   ---------------------------------------------------------------------- */
.content {
  max-width: 1400px; margin: 0 auto;
  padding: 28px 24px 120px;
}
.section-title {
  font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--text-subtle);
  margin: 28px 4px 12px;
}
.section-title:first-child { margin-top: 8px; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 14px;
}

.card {
  background: var(--card-bg, var(--bg-elev));
  /* <button> doesn't inherit `color` from body by default — must be explicit
     or text stays the browser's system ButtonText (often dark on dark in
     Chrome/Safari without color-scheme support). */
  color: var(--text);
  font: inherit;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px 16px 12px;
  cursor: pointer;
  transition: 0.18s;
  display: flex; flex-direction: column;
  min-height: 80px;
  text-align: left;
  width: 100%;
}
.card:hover { transform: translateY(-1px); box-shadow: var(--shadow-md); }
.card[data-color="none"] { --card-bg: var(--bg-elev); }
.card[data-color="coral"]    { --card-bg: var(--color-coral); }
.card[data-color="peach"]    { --card-bg: var(--color-peach); }
.card[data-color="yellow"]   { --card-bg: var(--color-yellow); }
.card[data-color="mint"]     { --card-bg: var(--color-mint); }
.card[data-color="teal"]     { --card-bg: var(--color-teal); }
.card[data-color="sky"]      { --card-bg: var(--color-sky); }
.card[data-color="lavender"] { --card-bg: var(--color-lavender); }
.card[data-color="pink"]     { --card-bg: var(--color-pink); }
.card:not([data-color="none"]) { color: var(--on-color-text); border-color: var(--on-color-border); }
.card-title { font-weight: 600; margin: 0 0 6px; font-size: 15px; line-height: 1.3; }
.card-body {
  font-size: 13.5px; color: var(--text-muted);
  white-space: pre-wrap;
  display: -webkit-box; -webkit-line-clamp: 8; -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}
.card:not([data-color="none"]) .card-body { color: var(--on-color-text-muted); }

.card-body a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--accent) 50%, transparent);
}
.card:not([data-color="none"]) .card-body a {
  color: var(--on-color-text);
  text-decoration-color: color-mix(in srgb, var(--on-color-text) 60%, transparent);
}
.card-body a:hover { text-decoration-color: currentColor; }
.card-footer {
  display: flex; align-items: center; gap: 6px;
  margin-top: 10px; font-size: 11px; color: var(--text-subtle);
}
.card:not([data-color="none"]) .card-footer { color: var(--on-color-text-subtle); }
.card-pin svg { width: 12px; height: 12px; vertical-align: -2px; }
.card-shared { display: inline-flex; align-items: center; gap: 3px; }
.card-labels { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 8px; }
.label-chip {
  font-size: 10.5px; font-weight: 500;
  padding: 2px 8px; border-radius: 999px;
  background: rgba(0, 0, 0, 0.06);
  color: var(--text-muted);
}
.card:not([data-color="none"]) .label-chip { background: var(--on-color-chip-bg); color: var(--on-color-chip-text); }
.card-checklist { font-size: 13.5px; }
.card-checklist .ci { display: flex; gap: 6px; align-items: center; }
.card-checklist .ci.checked { color: var(--text-subtle); text-decoration: line-through; }
.card-checklist .ci-box { width: 12px; height: 12px; border: 1.5px solid currentColor; border-radius: 3px; flex-shrink: 0; opacity: 0.6; }
.card-checklist .ci.checked .ci-box { background: currentColor; }

.empty {
  text-align: center; padding: 80px 24px; color: var(--text-muted);
}
.empty-art {
  width: 80px; height: 80px; margin: 0 auto 16px;
  border-radius: 18px; background: var(--accent-soft);
  position: relative;
}
.empty-art::before {
  content: "+"; position: absolute; inset: 0; display: grid; place-items: center;
  font-size: 42px; font-weight: 300; color: var(--accent);
}
.empty-title { font-size: 17px; font-weight: 500; margin: 0 0 4px; }
.empty-sub { color: var(--text-subtle); margin: 0; font-size: 14px; }

/* FAB
   ---------------------------------------------------------------------- */
.fab {
  position: fixed; right: 32px; bottom: 32px;
  width: 60px; height: 60px;
  border: 0; border-radius: 50%;
  background: linear-gradient(135deg, #8b6cff 0%, #4080ff 100%);
  color: white;
  box-shadow: 0 12px 30px rgba(112, 92, 255, 0.4), 0 4px 10px rgba(64, 128, 255, 0.3);
  display: grid; place-items: center;
  transition: 0.18s;
  z-index: 5;
}
.fab:hover { transform: translateY(-2px) scale(1.04); }

/* Modal
   ---------------------------------------------------------------------- */
.modal-backdrop {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(20, 14, 0, 0.45);
  backdrop-filter: blur(4px);
  display: grid; place-items: center;
  padding: 32px;
  animation: fadeIn 0.18s ease;
}
@keyframes fadeIn { from { opacity: 0 } to { opacity: 1 } }

.editor {
  background: var(--editor-bg, var(--bg-elev));
  width: min(720px, 100%); max-height: 90vh;
  border-radius: 18px; box-shadow: var(--shadow-lg);
  display: flex; flex-direction: column;
  overflow: hidden;
  animation: pop 0.2s cubic-bezier(0.2, 1, 0.4, 1);
}
@keyframes pop { from { transform: scale(0.95); opacity: 0 } to { transform: scale(1); opacity: 1 } }
.editor[data-color="none"] { --editor-bg: var(--bg-elev); }
.editor[data-color="coral"]    { --editor-bg: var(--color-coral);    color: var(--on-color-text); }
.editor[data-color="peach"]    { --editor-bg: var(--color-peach);    color: var(--on-color-text); }
.editor[data-color="yellow"]   { --editor-bg: var(--color-yellow);   color: var(--on-color-text); }
.editor[data-color="mint"]     { --editor-bg: var(--color-mint);     color: var(--on-color-text); }
.editor[data-color="teal"]     { --editor-bg: var(--color-teal);     color: var(--on-color-text); }
.editor[data-color="sky"]      { --editor-bg: var(--color-sky);      color: var(--on-color-text); }
.editor[data-color="lavender"] { --editor-bg: var(--color-lavender); color: var(--on-color-text); }
.editor[data-color="pink"]     { --editor-bg: var(--color-pink);     color: var(--on-color-text); }

.editor-top {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 14px;
  border-bottom: 1px solid rgba(0,0,0,0.06);
}
.editor-date { color: currentColor; opacity: 0.6; font-size: 12px; flex: 1; text-align: center; }
.editor-actions { display: flex; gap: 4px; align-items: center; }
.more { position: relative; }
.more-menu {
  position: absolute; right: 0; top: 42px;
  background: var(--bg-elev); color: var(--text);
  border: 1px solid var(--border);
  border-radius: 12px; box-shadow: var(--shadow-md);
  padding: 6px; min-width: 200px; z-index: 30;
}
.more-menu button {
  display: block; width: 100%; text-align: left;
  padding: 9px 12px; border: 0; background: transparent;
  border-radius: 8px; color: var(--text);
}
.more-menu button:hover { background: var(--bg); }
.more-menu .danger { color: var(--danger); }

.editor-title {
  font-size: 24px; font-weight: 700;
  border: 0; background: transparent;
  padding: 18px 22px 8px;
  width: 100%;
}

.readonly-banner {
  display: flex; align-items: center; gap: 6px;
  font-size: 12px;
  color: var(--text-muted);
  padding: 0 22px 6px;
}
.editor[data-permission="viewer"] .readonly-banner { color: var(--on-color-text-muted); }
.editor[data-color="none"] .readonly-banner { color: var(--text-muted); }
.share-row {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
}
.share-row .who { flex: 1; }
.share-row .who-email { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.share-row .access-select {
  border: 1px solid var(--border-strong);
  background: var(--bg);
  color: var(--text);
  padding: 6px 8px;
  border-radius: 8px;
  font-size: 13px;
}
.editor-body {
  flex: 1; overflow: auto;
  padding: 0 22px 22px;
}
#editor-body {
  width: 100%; min-height: 320px;
  border: 0; background: transparent;
  resize: vertical;
  font-size: 15px; line-height: 1.55;
}
.checklist .ci-row {
  display: flex; gap: 10px; align-items: center;
  padding: 6px 0;
  border-bottom: 1px solid var(--on-color-divider);
}
.checklist .ci-row:last-child { border-bottom: 0; }
.checklist .ci-row input[type="checkbox"] { width: 18px; height: 18px; cursor: pointer; }
.checklist .ci-row input[type="text"] {
  flex: 1; border: 0; background: transparent; padding: 4px 0;
}
.checklist .ci-row input[type="text"].done { color: currentColor; opacity: 0.5; text-decoration: line-through; }
.checklist .ci-row .ci-del {
  border: 0; background: transparent; cursor: pointer; opacity: 0.4;
  font-size: 16px; padding: 0 4px;
}
.checklist .ci-row .ci-del:hover { opacity: 1; color: var(--danger); }
.checklist .add-row { padding: 8px 0; }
.checklist .add-row input {
  width: 100%; border: 0; background: transparent;
  border-bottom: 1px dashed var(--on-color-border);
  padding: 6px 0;
}

.editor-bottom {
  display: flex; align-items: center; gap: 14px;
  padding: 12px 18px;
  background: var(--on-color-divider);
  border-top: 1px solid var(--on-color-border);
  flex-wrap: wrap;
}
.palette { display: flex; gap: 6px; }
.swatch {
  width: 26px; height: 26px; border-radius: 50%;
  border: 1.5px solid rgba(0,0,0,0.1);
  cursor: pointer;
  transition: 0.15s;
  position: relative;
}
.swatch:hover { transform: scale(1.1); }
.swatch.selected { border-color: #1c1c1e; border-width: 2.5px; }
.swatch[data-color="none"]     { background: white; }
.swatch[data-color="none"]::after {
  content: ""; position: absolute; inset: 6px; border-bottom: 1.5px solid #b3b3b3; transform: rotate(-45deg);
}
.swatch[data-color="coral"]    { background: var(--color-coral); }
.swatch[data-color="peach"]    { background: var(--color-peach); }
.swatch[data-color="yellow"]   { background: var(--color-yellow); }
.swatch[data-color="mint"]     { background: var(--color-mint); }
.swatch[data-color="teal"]     { background: var(--color-teal); }
.swatch[data-color="sky"]      { background: var(--color-sky); }
.swatch[data-color="lavender"] { background: var(--color-lavender); }
.swatch[data-color="pink"]     { background: var(--color-pink); }
.edited-at { font-size: 11px; opacity: 0.6; margin-left: auto; }

/* Share modal
   ---------------------------------------------------------------------- */
.share {
  background: var(--bg-elev);
  width: min(520px, 100%); max-height: 80vh;
  border-radius: 16px; box-shadow: var(--shadow-lg);
  display: flex; flex-direction: column;
  overflow: hidden;
}
.share-top {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; border-bottom: 1px solid var(--border);
}
.share-top h3 { margin: 0; font-size: 17px; }
.share-sub {
  padding: 12px 20px 0; margin: 0;
  font-size: 13px; color: var(--text-muted);
}
.share-list { padding: 12px; overflow: auto; }
.share-row {
  display: flex; align-items: center; gap: 12px;
  padding: 12px; border-radius: 10px;
  cursor: pointer; transition: 0.15s;
}
.share-row:hover { background: var(--bg); }
.share-row .check {
  width: 22px; height: 22px; border-radius: 50%;
  border: 2px solid var(--border-strong);
  display: grid; place-items: center;
  flex-shrink: 0;
}
.share-row.selected .check { border-color: var(--accent); background: var(--accent); }
.share-row.selected .check::after {
  content: ""; width: 6px; height: 11px;
  border: solid white; border-width: 0 2px 2px 0;
  transform: rotate(45deg) translate(-1px, -1px);
}
.share-row .who { flex: 1; }
.share-row .who-email { font-size: 13px; color: var(--text-muted); }
.share-empty {
  padding: 28px 20px; text-align: center; color: var(--text-muted);
  font-size: 14px;
}

/* Compact tweaks under 720px (still usable on phones, mainly designed for desktop)
   ---------------------------------------------------------------------- */
@media (max-width: 720px) {
  .topbar-inner { grid-template-columns: 1fr auto; gap: 10px; padding: 10px 14px; }
  .brand.small, .sync-status { display: none; }
  .content { padding: 16px 14px 100px; }
  .grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 10px; }
  .modal-backdrop { padding: 12px; }
  .editor { max-height: 95vh; }
  .editor-title { font-size: 20px; padding: 14px 18px 6px; }
  .editor-body { padding: 0 18px 18px; }
  .fab { right: 18px; bottom: 18px; }
}