/* Kim Lam Bookmarks — token theo mockup v2 (DESIGN-APPLE), dark theo prefers-color-scheme */

*, *::before, *::after { box-sizing: border-box; }

:root {
  --bg: #E3E3E8;
  --tk: #F2F2F7;
  --surface: #FFFFFF;
  --line: rgba(60, 60, 67, .22);
  --line-strong: rgba(60, 60, 67, .34);
  --ink: #000;
  --ink-2: #545456;
  --ink-3: #6C6C70;
  --accent: #0066CC;
  --accent-ink: #fff;
  --accent-soft: rgba(0, 102, 204, .10);
  --up: #1E7A35;
  --down: #D70015;
  --warn: #B25000;
  --fill: rgba(120, 120, 128, .12);
  --fill-2: rgba(120, 120, 128, .20);
  --glass-card: rgba(255, 255, 255, .66);
  --glass-border: rgba(255, 255, 255, .78);
  --glass-highlight: rgba(255, 255, 255, .92);
  --shadow: 0 1px 2px rgba(0, 0, 0, .05), 0 14px 34px -20px rgba(0, 0, 0, .25);
  --r: 14px;
  --rc: 9px;
  --ease: cubic-bezier(.22, .61, .36, 1);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000;
    --tk: #141416;
    --surface: #1C1C1E;
    --line: rgba(84, 84, 88, .55);
    --line-strong: rgba(84, 84, 88, .75);
    --ink: #fff;
    --ink-2: rgba(235, 235, 245, .62);
    --ink-3: rgba(235, 235, 245, .56);
    --accent: #0A84FF;
    --accent-ink: #000;
    --accent-soft: rgba(10, 132, 255, .16);
    --up: #30D158;
    --down: #FF453A;
    --warn: #FF9F0A;
    --fill: rgba(120, 120, 128, .32);
    --fill-2: rgba(120, 120, 128, .42);
    --glass-card: rgba(28, 28, 30, .62);
    --glass-border: rgba(255, 255, 255, .14);
    --glass-highlight: rgba(255, 255, 255, .20);
    --shadow: 0 1px 0 rgba(255, 255, 255, .05), 0 18px 44px -22px rgba(0, 0, 0, .85);
    color-scheme: dark;
  }
}

body {
  margin: 0;
  padding: 36px 24px 72px;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Inter, sans-serif;
  background: var(--bg);
  color: var(--ink);
  -webkit-text-size-adjust: 100%;
}

.page-head { max-width: 980px; margin: 0 auto 24px; }
.page-head h1 { font-size: 20px; font-weight: 600; letter-spacing: -.01em; margin: 0 0 6px; }
.page-head p { font-size: 13px; line-height: 1.55; color: var(--ink-2); margin: 0; }
.wrap { max-width: 980px; margin: 0 auto; }

.tk { background: var(--tk); color: var(--ink); border-radius: 16px; padding: 22px; }

.card {
  background: var(--glass-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--r);
  box-shadow: var(--shadow), inset 0 1px 0 var(--glass-highlight);
  padding: 16px;
}

.lbl { font-size: 11px; font-weight: 600; letter-spacing: .05em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 8px; }

textarea, input[type="password"] {
  width: 100%;
  display: block;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--rc);
  padding: 10px 12px;
  outline: none;
  transition: border-color 180ms var(--ease), box-shadow 180ms var(--ease);
}
textarea { min-height: 150px; resize: vertical; }
textarea::placeholder, input::placeholder { color: var(--ink-3); }
textarea:focus, input[type="password"]:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

.inrow { display: flex; align-items: center; gap: 8px; margin-top: 10px; }
.hint { font-size: 11.5px; color: var(--ink-3); line-height: 1.4; }
.ml-auto { margin-left: auto; }

.btn {
  height: 34px;
  padding: 0 14px;
  border: 0;
  border-radius: var(--rc);
  background: var(--accent);
  color: var(--accent-ink);
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  transition: filter 180ms var(--ease), transform 120ms var(--ease);
}
.btn:hover { filter: brightness(1.07); }
.btn:active { transform: scale(.985); }
.btn:disabled { opacity: .55; cursor: default; filter: none; }
.btn.ghost { background: var(--fill); color: var(--ink); font-weight: 500; }
.btn.ghost:hover { background: var(--fill-2); filter: none; }
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.sum { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; margin: 22px 0 10px; font-size: 12.5px; color: var(--ink-2); }
.sum b { color: var(--ink); font-weight: 600; }
.sum .w { color: var(--warn); font-weight: 500; }

.group { margin-bottom: 12px; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: var(--surface); }

.ghead {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 9px 12px;
  margin: 0;
  border: 0;
  background: var(--fill);
  color: inherit;
  font: inherit;
  text-align: left;
}
button.ghead { cursor: pointer; }
button.ghead:hover { background: var(--fill-2); }
button.ghead:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }

/* chỉ báo có thể sửa thư mục */
.ghead .edit {
  font-size: 10.5px;
  color: var(--ink-3);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 1px 5px;
  margin-left: 2px;
}

.gpath { font-size: 12.5px; font-weight: 600; letter-spacing: -.005em; }
.gpath .sep { color: var(--ink-3); font-weight: 400; margin: 0 5px; }
.gcount { margin-left: auto; font-size: 11px; color: var(--ink-2); font-variant-numeric: tabular-nums; }

.row { display: flex; align-items: center; gap: 10px; padding: 8px 12px; border-top: 1px solid var(--line); }
.row:first-of-type { border-top: 0; }
button.row {
  width: 100%;
  border-left: 0;
  border-right: 0;
  border-bottom: 0;
  background: none;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}
button.row:hover { background: var(--fill); }
button.row:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }

.fav {
  width: 26px; height: 26px; border-radius: 7px; background: var(--fill);
  display: grid; place-items: center; font-size: 12px; font-weight: 600; color: var(--ink-2); flex: none;
}
.nm { font-size: 13px; font-weight: 500; letter-spacing: -.005em; }
.dm { font-size: 11.5px; color: var(--ink-3); margin-top: 1px; word-break: break-all; }
.row .end { margin-left: auto; display: flex; align-items: center; gap: 8px; flex: none; }

.tag {
  font-size: 10.5px; font-weight: 600; letter-spacing: .03em; text-transform: uppercase;
  padding: 2px 6px; border-radius: 5px; background: var(--fill); color: var(--ink-2); white-space: nowrap;
}
.tag.mem { background: var(--accent-soft); color: var(--ink); }
.tag.ai { background: var(--accent-soft); color: var(--ink); }
.tag.q { background: rgba(178, 80, 0, .12); color: var(--warn); }
@media (prefers-color-scheme: dark) { .tag.q { background: rgba(255, 159, 10, .16); } }

.why { font-size: 11.5px; color: var(--ink-3); margin: 6px 0 0 36px; line-height: 1.45; }
.why b { color: var(--ink); font-weight: 600; }

.grp { background: var(--surface); border-color: var(--line-strong); }
.grp .ghead { background: transparent; border-bottom: 1px solid var(--line); }
.grp .gpath { color: var(--warn); }

.err { margin: 12px 0 0; font-size: 12.5px; line-height: 1.5; color: var(--down); }

/* ---------- menu sửa thư mục ---------- */
.menu {
  position: absolute;
  z-index: 60;
  min-width: 232px;
  max-width: min(340px, calc(100vw - 24px));
  padding: 6px;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  box-shadow: 0 18px 40px -18px rgba(0, 0, 0, .45), 0 1px 2px rgba(0, 0, 0, .12);
}
.menu .mtitle { font-size: 10.5px; font-weight: 600; letter-spacing: .05em; text-transform: uppercase; color: var(--ink-3); padding: 6px 8px; }
.menu button {
  display: flex; align-items: center; gap: 8px; width: 100%;
  padding: 8px; border: 0; border-radius: 7px; background: none;
  font: inherit; font-size: 13px; color: var(--ink); text-align: left; cursor: pointer;
}
.menu button:hover { background: var(--fill); }
.menu button:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
.menu .chevd { margin-left: auto; color: var(--ink-3); font-size: 11px; }
.menu .back { color: var(--ink-2); font-size: 12px; border-bottom: 1px solid var(--line); border-radius: 0; margin-bottom: 4px; }
.menu .danger { color: var(--down); }

/* ---------- màn khoá ---------- */
.lock {
  position: fixed; inset: 0; z-index: 100;
  display: grid; place-items: center;
  padding: 24px;
  background: var(--bg);
}
.lockcard { width: 100%; max-width: 340px; background: var(--surface); border-color: var(--line); }
.lockcard input { font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", sans-serif; font-size: 14px; }
.lockcard .btn { width: 100%; margin-top: 12px; height: 36px; }
.lockerr { margin: 20px 0 0; font-size: 13px; line-height: 1.45; color: var(--down); }

[hidden] { display: none !important; }

@media (max-width: 560px) {
  body { padding: 24px 14px 56px; }
  .tk { padding: 14px; }
  .inrow { flex-wrap: wrap; }
  .inrow .hint { flex: 1 1 100%; order: -1; margin-bottom: 2px; }
  .inrow .btn.ghost { margin-left: auto; }
  .sum { row-gap: 8px; }
  .gpath { font-size: 12px; }
  .row { padding: 8px 10px; gap: 8px; }
  .ghead { padding: 8px 10px; }
  .why { margin-left: 0; }
  .dm { font-size: 11px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}