:root {
  --ink: #1a2430;
  --muted: #667788;
  --line: rgba(26, 36, 48, 0.1);
  --paper: #eef2f6;
  --surface: rgba(255, 255, 255, 0.82);
  --surface-solid: #ffffff;
  --accent: #0f766e;
  --accent-2: #0d9488;
  --accent-ink: #f0fdfa;
  --ok: #15803d;
  --danger: #c2410c;
  --shadow: 0 10px 36px rgba(26, 36, 48, 0.08);
  --radius: 16px;
  --font: "Microsoft YaHei", "微软雅黑", sans-serif;
  --display: "Microsoft YaHei", "微软雅黑", sans-serif;
  --mono: "Microsoft YaHei", "微软雅黑", monospace;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  min-height: 100%;
  color: var(--ink);
  font-family: var(--font);
  background: var(--paper);
}
button, input { font: inherit; }
a { color: inherit; text-decoration: none; }

.bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(900px 420px at 0% -10%, rgba(15, 118, 110, 0.16), transparent 55%),
    radial-gradient(700px 380px at 100% 0%, rgba(14, 165, 233, 0.1), transparent 50%),
    linear-gradient(180deg, #e8eef5 0%, #f4f7fa 45%, #eef1f4 100%);
}
.bg::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.28;
  background-image:
    linear-gradient(rgba(26, 36, 48, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26, 36, 48, 0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: linear-gradient(#000, transparent 90%);
}

.bar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  padding: 14px 22px;
  backdrop-filter: blur(14px);
  background: rgba(255, 255, 255, 0.72);
  border-bottom: 1px solid var(--line);
  animation: rise 0.4s ease both;
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
}
.mark {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: var(--accent-ink);
  background: linear-gradient(145deg, var(--accent-2), var(--accent));
  box-shadow: 0 10px 24px rgba(15, 118, 110, 0.28);
}
.brand h1 {
  margin: 0;
  font-family: var(--display);
  font-size: 22px;
  letter-spacing: -0.03em;
  line-height: 1.1;
}
.brand p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.toolbar {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.search {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 40px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  color: var(--muted);
  min-width: min(280px, 70vw);
}
.search input {
  border: 0;
  outline: 0;
  background: transparent;
  width: 100%;
  color: var(--ink);
}

.seg {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: var(--surface);
}
.seg-btn {
  width: 40px;
  height: 40px;
  border: 0;
  background: transparent;
  cursor: pointer;
  color: var(--muted);
}
.seg-btn.active {
  background: rgba(15, 118, 110, 0.12);
  color: var(--accent);
}

.btn {
  height: 40px;
  padding: 0 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--surface);
  cursor: pointer;
  color: var(--ink);
  transition: transform .15s, background .15s, border-color .15s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
}
.btn.sm { height: 34px; padding: 0 12px; font-size: 13px; border-radius: 10px; }
.btn:hover { transform: translateY(-1px); }
.btn.ghost:hover { border-color: rgba(15, 118, 110, 0.35); }
.btn.primary {
  background: linear-gradient(145deg, var(--accent-2), var(--accent));
  border-color: transparent;
  color: #fff;
  box-shadow: 0 8px 18px rgba(15, 118, 110, 0.22);
}
.btn.primary:hover { filter: brightness(1.05); }
.btn.copied { background: var(--ok); border-color: transparent; color: #fff; }
.btn:disabled { opacity: .6; cursor: not-allowed; transform: none; }

main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 20px 20px 56px;
}

.stats {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
  animation: rise .45s ease .05s both;
}
.stat {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 12px 16px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
}
.stat span {
  font-family: var(--display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.03em;
}
.stat small { color: var(--muted); font-size: 12px; }

.board[data-view="grid"] {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
}
.board[data-view="list"] {
  display: grid;
  gap: 8px;
}

.card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
  animation: rise .4s ease both;
}
.card:hover {
  transform: translateY(-2px);
  border-color: rgba(15, 118, 110, 0.28);
  box-shadow: 0 16px 40px rgba(26, 36, 48, 0.12);
}
.board[data-view="list"] .card {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
}
.card-main {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  min-width: 0;
  flex: 1;
}
.board[data-view="list"] .card-main { align-items: center; }

.fico {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  background: color-mix(in srgb, var(--fico) 16%, #fff);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--fico) 22%, transparent);
}
.board[data-view="list"] .fico {
  width: 44px;
  height: 44px;
  border-radius: 12px;
}
.board[data-view="list"] .fico svg { width: 32px; height: 32px; }

.card-info { min-width: 0; flex: 1; }
.file-name {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
  word-break: break-all;
  line-height: 1.35;
}
.board[data-view="grid"] .file-name {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.file-path {
  margin-top: 4px;
  color: var(--muted);
  font-size: 11px;
  font-family: var(--mono);
}
.file-meta {
  margin-top: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--muted);
  font-size: 12px;
}
.tag {
  padding: 1px 7px;
  border-radius: 999px;
  background: rgba(15, 118, 110, 0.1);
  color: var(--accent);
  font-weight: 600;
  font-size: 11px;
}
.actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}
.board[data-view="grid"] .actions { margin-top: auto; }
.board[data-view="grid"] .actions .btn { flex: 1; }

.empty {
  margin-top: 40px;
  padding: 48px 24px;
  text-align: center;
  border: 1px dashed rgba(26, 36, 48, 0.16);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.5);
}
.empty-ico { font-size: 40px; margin-bottom: 8px; }
.empty strong {
  display: block;
  font-family: var(--display);
  font-size: 22px;
  margin-bottom: 8px;
}
.empty p { margin: 0; color: var(--muted); font-size: 14px; }

footer {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px 36px;
  color: var(--muted);
  font-size: 12px;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 16px;
}
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 32, 0.45);
  backdrop-filter: blur(4px);
}
.modal-card {
  position: relative;
  width: min(480px, 100%);
  border-radius: 20px;
  background: var(--surface-solid);
  border: 1px solid var(--line);
  box-shadow: 0 30px 80px rgba(15, 23, 32, 0.28);
  padding: 18px 18px 16px;
  animation: rise .25s ease both;
}
.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}
.modal-head h2 {
  margin: 0;
  font-family: var(--display);
  font-size: 20px;
}
.icon-btn {
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 10px;
  background: #f1f5f9;
  cursor: pointer;
  font-size: 22px;
  line-height: 1;
  color: var(--muted);
}

.field {
  display: grid;
  gap: 6px;
  margin-bottom: 12px;
  font-size: 13px;
  color: var(--muted);
}
.field input {
  height: 42px;
  border-radius: 12px;
  border: 1px solid var(--line);
  padding: 0 12px;
  outline: none;
}
.field input:focus {
  border-color: rgba(15, 118, 110, 0.5);
  box-shadow: 0 0 0 4px rgba(15, 118, 110, 0.12);
}

.drop {
  display: grid;
  place-items: center;
  gap: 6px;
  min-height: 140px;
  padding: 20px;
  border-radius: 16px;
  border: 1.5px dashed rgba(15, 118, 110, 0.35);
  background: rgba(15, 118, 110, 0.04);
  text-align: center;
  cursor: pointer;
  transition: background .15s, border-color .15s;
}
.drop strong { font-size: 14px; color: var(--ink); }
.drop small { color: var(--muted); font-size: 12px; }
.drop.drag, .drop.has-file {
  border-color: var(--accent);
  background: rgba(15, 118, 110, 0.08);
}

.progress {
  margin-top: 12px;
  height: 8px;
  border-radius: 999px;
  background: #e2e8f0;
  overflow: hidden;
}
.progress-bar {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent-2), var(--accent));
  transition: width .15s linear;
}
.form-msg {
  min-height: 20px;
  margin: 10px 0 0;
  font-size: 13px;
  color: var(--muted);
}
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 14px;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  z-index: 60;
  padding: 10px 16px;
  border-radius: 999px;
  background: #1a2430;
  color: #fff;
  font-size: 13px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
}
.toast.ok { background: var(--ok); }
.toast.err { background: var(--danger); }

.hidden { display: none !important; }

@keyframes rise {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

@media (max-width: 720px) {
  .bar { padding: 12px 14px; }
  .brand p { display: none; }
  .board[data-view="list"] .card {
    flex-direction: column;
    align-items: stretch;
  }
  .board[data-view="list"] .actions .btn { flex: 1; }
}