:root {
  color-scheme: light;
  --canvas: #eaf4f0;
  --canvas-deep: #d9e9e2;
  --surface: #ffffff;
  --surface-strong: #f5fbf8;
  --ink: #10231d;
  --ink-soft: #50645d;
  --line: #c8d9d1;
  --accent: #007d68;
  --accent-deep: #005b4d;
  --accent-wash: #c8f3e4;
  --danger: #b42318;
  --danger-wash: #fbe8e6;
  --shadow: 0 18px 52px rgb(17 55 43 / 12%);
  --serif: "Iowan Old Style", "Songti SC", "STSong", serif;
  --sans: "Avenir Next", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --canvas: #0d1714;
  --canvas-deep: #13231d;
  --surface: #17231e;
  --surface-strong: #1b2c25;
  --ink: #effaf4;
  --ink-soft: #aec4ba;
  --line: #385147;
  --accent: #6ff0cf;
  --accent-deep: #b5ffe8;
  --accent-wash: #164b3d;
  --danger: #ffaaa2;
  --danger-wash: #4a2422;
  --shadow: 0 18px 52px rgb(0 0 0 / 28%);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html { min-height: 100%; background: var(--canvas); }

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  background:
    linear-gradient(90deg, transparent 0 95%, rgb(0 125 104 / 5%) 95% 100%),
    linear-gradient(180deg, var(--canvas), var(--canvas-deep));
  background-size: 32px 32px, auto;
}

button, input { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .46; }
a { color: inherit; }

button:focus-visible,
input:focus-visible,
a:focus-visible,
label:focus-within {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

.shell { width: min(100%, 1180px); margin: 0 auto; padding: 16px 16px 48px; }

.masthead {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  min-height: 52px;
  margin-bottom: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.3rem;
  font-weight: 700;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 31px;
  height: 31px;
  place-items: center;
  border: 1px solid var(--accent);
  border-radius: 9px 9px 9px 1px;
  color: var(--accent-deep);
  font-family: var(--sans);
  font-size: .82rem;
  font-weight: 800;
}

.privacy-note { margin: 0; color: var(--ink-soft); font-size: .76rem; text-align: right; }

.icon-button,
.secondary-button,
.danger-button,
.copy-button,
.reveal-button,
.category-button {
  min-height: 44px;
  border: 1px solid transparent;
  border-radius: 12px;
  background: var(--surface);
  color: var(--ink);
  font-weight: 650;
}

.icon-button { width: 44px; padding: 0; border-color: var(--line); font-size: 1.2rem; }
.secondary-button { padding: 0 14px; border-color: var(--line); }
.danger-button { padding: 0 14px; border-color: color-mix(in srgb, var(--danger) 45%, var(--line)); color: var(--danger); }
.copy-button,.reveal-button { min-height: 36px; padding: 0 10px; border-color: var(--line); font-size: .78rem; }
.reveal-button { color: var(--accent-deep); }

.icon-button:hover,.secondary-button:hover,.copy-button:hover,.reveal-button:hover { border-color: var(--accent); background: var(--accent-wash); }
.danger-button:hover { border-color: var(--danger); background: var(--danger-wash); }

.import-view {
  display: grid;
  gap: 18px;
  align-items: stretch;
}

.import-intro {
  padding: 24px 4px 8px;
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent-deep);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .12em;
}

h1, h2, p { overflow-wrap: anywhere; }
h1, h2 { font-family: var(--serif); }

.import-intro h1,
.viewer-heading h1 {
  margin: 0;
  font-size: clamp(2.25rem, 12vw, 5rem);
  font-weight: 700;
  letter-spacing: -.055em;
  line-height: .98;
}

.intro-copy { max-width: 34rem; margin: 20px 0 0; color: var(--ink-soft); line-height: 1.75; }

.import-zone {
  display: grid;
  min-height: 230px;
  place-content: center;
  gap: 7px;
  padding: 28px;
  border: 1.5px dashed var(--accent);
  border-radius: 20px;
  background: color-mix(in srgb, var(--surface) 78%, var(--accent-wash));
  color: var(--ink-soft);
  text-align: center;
  transition: transform .18s ease, background .18s ease;
}

.import-zone:hover,
.import-zone.is-dragging { transform: translateY(-2px); background: var(--accent-wash); }
.import-zone strong { color: var(--ink); font-size: 1.1rem; }
.import-zone small { margin-top: 12px; font-size: .75rem; }
.zone-symbol { color: var(--accent-deep); font-family: var(--serif); font-size: 2.8rem; line-height: 1; }
code { padding: 2px 5px; border-radius: 4px; background: rgb(0 125 104 / 10%); font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; }

.safety-note {
  padding: 16px;
  border-left: 3px solid var(--accent);
  background: color-mix(in srgb, var(--surface) 80%, transparent);
  color: var(--ink-soft);
}
.safety-note strong { color: var(--ink); font-size: .9rem; }
.safety-note p { margin: 5px 0 0; font-size: .88rem; line-height: 1.65; }

.viewer-view { display: grid; gap: 14px; }
.viewer-heading { display: flex; align-items: end; justify-content: space-between; gap: 16px; padding: 8px 0 16px; border-bottom: 1px solid var(--line); }
.viewer-heading h1 { font-size: clamp(2.15rem, 8vw, 4.2rem); }
.imported-at { max-width: 13rem; margin: 0 0 6px; color: var(--ink-soft); font-size: .78rem; text-align: right; }

.toolbar { display: grid; grid-template-columns: 1fr auto; gap: 8px; position: sticky; top: 0; z-index: 2; padding: 10px 0; background: linear-gradient(var(--canvas) 86%, transparent); }
.search-field { display: flex; grid-column: 1 / -1; align-items: center; min-height: 50px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
.search-field:focus-within { border-color: var(--accent); }
.search-symbol { margin-left: 14px; color: var(--accent-deep); font-family: var(--serif); font-size: 1.55rem; line-height: 1; }
.search-field input { width: 100%; min-height: 48px; padding: 0 14px 0 10px; border: 0; outline: 0; background: transparent; color: var(--ink); }

.categories { display: flex; gap: 8px; overflow-x: auto; padding: 2px 1px 8px; scrollbar-width: thin; }
.category-button { flex: 0 0 auto; padding: 0 13px; border-color: var(--line); color: var(--ink-soft); font-size: .87rem; }
.category-button[aria-pressed="true"] { border-color: var(--accent); background: var(--accent); color: #fff; }
.category-count { margin-left: 5px; opacity: .75; font-variant-numeric: tabular-nums; }
.result-count { margin: 0; color: var(--ink-soft); font-size: .82rem; }

.entry-list { display: grid; gap: 12px; }
.entry-card { display: grid; gap: 12px; padding: 16px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); box-shadow: var(--shadow); }
.entry-card-head { display: flex; gap: 12px; align-items: start; justify-content: space-between; }
.entry-title { min-width: 0; margin: 0; font-family: var(--serif); font-size: 1.35rem; letter-spacing: -.025em; }
.favorite { flex: 0 0 auto; color: var(--accent-deep); font-size: 1.1rem; }
.entry-link { display: block; margin-top: 3px; overflow: hidden; color: var(--accent-deep); font-size: .8rem; text-decoration-thickness: 1px; text-overflow: ellipsis; white-space: nowrap; }
.entry-url-plain { display: block; margin-top: 3px; overflow: hidden; color: var(--ink-soft); font-size: .8rem; text-overflow: ellipsis; white-space: nowrap; }
.entry-fields { display: grid; gap: 0; border-top: 1px solid var(--line); }
.entry-field { display: grid; grid-template-columns: 58px minmax(0, 1fr) auto; gap: 8px; align-items: center; min-height: 47px; border-bottom: 1px solid var(--line); }
.entry-field:last-child { border-bottom: 0; }
.field-label { color: var(--ink-soft); font-size: .78rem; font-weight: 700; }
.field-value { min-width: 0; overflow: hidden; font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; font-size: .83rem; text-overflow: ellipsis; white-space: nowrap; }
.field-value.is-masked { letter-spacing: .11em; }
.password-actions { display: flex; gap: 5px; align-items: center; }
.entry-notes { margin: 0; padding: 10px 11px; border-radius: 10px; background: var(--surface-strong); color: var(--ink-soft); font-size: .84rem; line-height: 1.55; white-space: pre-wrap; }
.empty-state { padding: 42px 18px; border: 1px dashed var(--line); border-radius: 18px; background: color-mix(in srgb, var(--surface) 74%, transparent); text-align: center; }
.empty-state h2 { margin: 0; font-size: 1.7rem; }.empty-state p:last-child { margin: 6px 0 0; color: var(--ink-soft); }

.clear-dialog { width: min(calc(100% - 32px), 430px); padding: 0; border: 0; border-radius: 20px; background: var(--surface); color: var(--ink); box-shadow: 0 24px 78px rgb(0 0 0 / 30%); }
.clear-dialog::backdrop { background: rgb(7 20 15 / 56%); backdrop-filter: blur(3px); }
.clear-dialog form { padding: 24px; }.clear-dialog h2 { margin: 0; font-size: 1.7rem; }.clear-dialog p:not(.eyebrow) { margin: 10px 0 0; color: var(--ink-soft); line-height: 1.65; }.clear-dialog menu { display: flex; justify-content: end; gap: 8px; margin: 24px 0 0; padding: 0; }

.toast { position: fixed; right: 16px; bottom: 16px; z-index: 10; max-width: min(calc(100vw - 32px), 350px); margin: 0; padding: 11px 14px; border-radius: 11px; background: var(--ink); color: var(--surface); box-shadow: var(--shadow); font-size: .88rem; opacity: 0; transform: translateY(12px); pointer-events: none; transition: opacity .18s ease, transform .18s ease; }
.toast.is-visible { opacity: 1; transform: translateY(0); }.toast.is-error { background: var(--danger); color: #fff; }
.clipboard-fallback { position: fixed; width: 1px; height: 1px; padding: 0; border: 0; opacity: 0; pointer-events: none; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

@media (min-width: 620px) {
  .shell { padding: 24px 28px 64px; }
  .masthead { margin-bottom: 34px; }.privacy-note { font-size: .83rem; }
  .import-view { grid-template-columns: minmax(0, 1.06fr) minmax(270px, .94fr); gap: 18px; }
  .import-intro { grid-row: span 2; min-height: 420px; padding: 32px 12px 30px 0; border-bottom: 0; border-right: 1px solid var(--line); }
  .import-zone { min-height: 265px; }.safety-note { align-self: end; }
  .toolbar { grid-template-columns: minmax(0, 1fr) auto auto; }.search-field { grid-column: auto; }
  .entry-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 1024px) {
  .shell { padding-inline: 40px; }.entry-list { grid-template-columns: repeat(3, minmax(0, 1fr)); }.entry-card { padding: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}