:root {
  --bg: #f1f8fd;
  --panel: #ffffff;
  --panel-soft: #f8fcff;
  --text: #10202b;
  --text-2: #43596b;
  --muted: #7d91a1;
  --line: #dfebf4;
  --line-soft: #ecf5fb;
  --brand: #66ccff;
  --brand-mid: #3fb2ec;
  --brand-deep: #1478b0;
  --brand-ink: #0b3f5c;
  --brand-soft: #e8f6ff;
  --brand-line: #b6e2fa;
  --ok: #0f8a63;
  --ok-soft: #e5f7ef;
  --warn: #b56a09;
  --warn-soft: #fdf3e2;
  --danger: #cf2f2f;
  --radius: 16px;
  --shadow: 0 1px 2px rgba(16, 32, 43, .04), 0 14px 34px -16px rgba(20, 95, 140, .28);
  --shadow-sm: 0 1px 2px rgba(16, 32, 43, .05), 0 6px 16px -10px rgba(20, 95, 140, .3);
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  font-size: 14px;
  line-height: 1.55;
  min-height: 100vh;
}

.bg-glow {
  position: fixed;
  inset: 0 0 auto 0;
  height: 480px;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(720px 320px at 14% -10%, rgba(102, 204, 255, .42), transparent 72%),
    radial-gradient(640px 300px at 84% -16%, rgba(102, 204, 255, .28), transparent 72%),
    radial-gradient(520px 240px at 50% -22%, rgba(63, 178, 236, .22), transparent 70%);
}

/* ---------- top bar ---------- */
.topbar {
  position: relative;
  z-index: 1;
  max-width: clamp(1000px, 90vw, 1440px);
  margin: 0 auto;
  padding: 22px 32px 6px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand { display: flex; align-items: center; gap: 9px; }
.logo {
  width: 32px; height: 32px;
  display: grid; place-items: center;
  border-radius: 10px;
  color: var(--brand-ink);
  background: linear-gradient(135deg, #8fdcff, #47b6ef);
  box-shadow: 0 6px 16px -6px rgba(63, 178, 236, .95);
}
.brand-text { font-weight: 700; letter-spacing: -.2px; font-size: 16px; white-space: nowrap; }
.privacy {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 12.5px; color: var(--text-2);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 12px;
  box-shadow: var(--shadow-sm);
  white-space: nowrap;
}
.privacy-short { display: none; }
.privacy .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--brand-mid);
  box-shadow: 0 0 0 3px rgba(102, 204, 255, .3);
}

/* ---------- layout ---------- */
main {
  position: relative;
  z-index: 1;
  max-width: clamp(1000px, 90vw, 1440px);
  margin: 0 auto;
  padding: 12px 32px 64px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: 28px;
}
.panel-top { margin-top: 14px; }

.panel-head h1 {
  margin: 0 0 6px;
  font-size: 23px;
  letter-spacing: -.5px;
  font-weight: 700;
}
.panel-head p {
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 13px;
  max-width: 640px;
}

/* ---------- settings grid ---------- */
.grid {
  display: grid;
  grid-template-columns: 1.08fr 1fr 1fr;
  gap: 22px;
  margin-bottom: 22px;
}
.field { min-width: 0; }
.label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-2);
  letter-spacing: .3px;
  margin-bottom: 9px;
}

.size-input {
  display: flex;
  border: 1.5px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: var(--panel-soft);
  transition: border-color .15s, box-shadow .15s;
}
.size-input:focus-within {
  border-color: var(--brand-mid);
  box-shadow: 0 0 0 3.5px rgba(102, 204, 255, .3);
}
.size-input input {
  flex: 1; min-width: 0;
  border: 0; outline: 0; background: transparent;
  font: inherit;
  font-size: 16px;
  font-weight: 600;
  padding: 10px 12px;
  color: var(--text);
}
.size-input input::-webkit-outer-spin-button,
.size-input input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.size-input select {
  border: 0; outline: 0;
  background: transparent;
  font: inherit;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-2);
  padding: 0 30px 0 10px;
  border-left: 1px solid var(--line);
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%237d91a1' stroke-width='3' stroke-linecap='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
}

.chips { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 10px; }
.chip {
  font: inherit;
  font-size: 11px;
  padding: 3px 7px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text-2);
  cursor: pointer;
  transition: all .14s;
}
.chip:hover { border-color: var(--brand-line); color: var(--brand-deep); background: #f8fdff; }
.chip.is-active {
  background: var(--brand-soft);
  border-color: #9ad8f9;
  color: #0d6396;
  font-weight: 600;
}

.segmented {
  display: flex;
  padding: 3px;
  gap: 3px;
  background: var(--line-soft);
  border-radius: 11px;
  border: 1px solid var(--line-soft);
}
.segmented button {
  flex: 1;
  font: inherit;
  font-size: 12.5px;
  padding: 6px 4px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--text-2);
  cursor: pointer;
  white-space: nowrap;
  transition: all .14s;
}
.segmented button:hover { color: var(--text); }
.segmented button.is-active {
  background: #fff;
  color: #0d6396;
  font-weight: 600;
  box-shadow: 0 1px 3px rgba(16, 32, 43, .1);
}

.check {
  display: flex; align-items: center; gap: 7px;
  margin-top: 10px;
  font-size: 12px;
  color: var(--text-2);
  cursor: pointer;
  user-select: none;
}
.check input { accent-color: var(--brand-mid); width: 14px; height: 14px; cursor: pointer; }

.hint {
  margin: 10px 0 0;
  font-size: 11.5px;
  color: var(--muted);
  line-height: 1.5;
  min-height: 34px;
}

/* ---------- dropzone ---------- */
.dropzone {
  display: flex;
  align-items: center;
  gap: 18px;
  border: 1.5px dashed #b8ddf3;
  border-radius: 16px;
  background:
    radial-gradient(420px 130px at 8% 50%, rgba(102, 204, 255, .16), transparent 72%),
    var(--panel-soft);
  padding: 22px 26px;
  text-align: left;
  cursor: pointer;
  transition: all .16s ease;
}
.dropzone:hover { border-color: var(--brand); background: #f4fbff; }
.dropzone:focus-visible {
  outline: 3px solid rgba(102, 204, 255, .5);
  outline-offset: 2px;
  border-color: var(--brand-mid);
}
.dropzone.is-over {
  border-color: var(--brand-mid);
  background: #eef9ff;
  box-shadow: inset 0 0 0 3px rgba(102, 204, 255, .14);
  transform: scale(.998);
}
.dz-icon {
  width: 48px; height: 48px;
  flex: none;
  display: grid; place-items: center;
  border-radius: 14px;
  color: var(--brand-deep);
  background: #fff;
  border: 1px solid var(--brand-line);
  box-shadow: var(--shadow-sm);
}
.dz-text { min-width: 0; }
.dz-title { font-size: 14px; font-weight: 600; }
.dz-title span { color: var(--brand-deep); border-bottom: 1px solid rgba(20, 120, 176, .35); }
.dz-sub { font-size: 12px; color: var(--muted); margin-top: 4px; }
.dz-cta {
  flex: none;
  margin-left: auto;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--brand-ink);
  background: linear-gradient(135deg, #8bdcff, #45b5ee);
  padding: 8px 16px;
  border-radius: 10px;
  box-shadow: 0 6px 16px -8px rgba(63, 178, 236, .9);
  transition: all .15s;
}
.dropzone:hover .dz-cta { transform: translateY(-1px); box-shadow: 0 9px 20px -8px rgba(63, 178, 236, 1); }

/* ---------- actions bar ---------- */
.actions-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  padding: 9px 16px;
  border-radius: 11px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all .15s;
  white-space: nowrap;
}
.btn:disabled { cursor: not-allowed; }
.btn-primary {
  color: var(--brand-ink);
  background: linear-gradient(135deg, #8bdcff, #45b5ee);
  box-shadow: 0 8px 22px -10px rgba(63, 178, 236, .95);
}
.btn-primary:disabled {
  color: #8fa9b8;
  background: #e3f1fa;
  box-shadow: none;
}
.btn-primary:not(:disabled):hover {
  transform: translateY(-1px);
  background: linear-gradient(135deg, #9de2ff, #38ace9);
  box-shadow: 0 12px 26px -10px rgba(63, 178, 236, 1);
}
.btn-primary:not(:disabled):active { transform: translateY(0); }
.btn-ghost {
  background: #fff;
  border-color: var(--line);
  color: var(--text-2);
}
.btn-ghost:disabled { opacity: .5; }
.btn-ghost:not(:disabled):hover { border-color: var(--brand-line); color: var(--brand-deep); background: #f8fdff; }
.summary { font-size: 12.5px; color: var(--muted); margin-left: auto; }

/* ---------- list ---------- */
.list-wrap { margin-top: 26px; }
.list-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 0 4px 10px;
}
.list-head h2 { font-size: 14px; margin: 0; font-weight: 700; letter-spacing: -.1px; }
.list-count { font-size: 12px; color: var(--muted); }
.list { display: flex; flex-direction: column; gap: 10px; }

.item {
  display: flex;
  gap: 14px;
  align-items: center;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px 14px;
  box-shadow: var(--shadow-sm);
  animation: rise .28s cubic-bezier(.22, .8, .32, 1) both;
}
@keyframes rise { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.thumb {
  width: 54px; height: 54px;
  flex: none;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #f7fbfe center/cover no-repeat;
  display: grid; place-items: center;
  overflow: hidden;
  position: relative;
}
.thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.thumb .ph {
  font-size: 10.5px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, #f27d7d, #dd4b4b);
  width: 100%; height: 100%;
  display: grid; place-items: center;
  letter-spacing: .5px;
}

.meta { flex: 1; min-width: 0; }
.name-row { display: flex; align-items: center; gap: 7px; min-width: 0; }
.name {
  font-size: 13px;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}
.tag {
  flex: none;
  font-size: 10px;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 5px;
  background: var(--line-soft);
  color: var(--muted);
  letter-spacing: .3px;
  text-transform: uppercase;
}
.sizes {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  color: var(--muted);
  margin-top: 3px;
  flex-wrap: wrap;
}
.sizes .from { font-variant-numeric: tabular-nums; }
.sizes .arrow { color: #b7cdda; }
.sizes .to { color: var(--text); font-weight: 600; font-variant-numeric: tabular-nums; }
.pill {
  font-size: 10.5px;
  font-weight: 700;
  padding: 1.5px 7px;
  border-radius: 999px;
  letter-spacing: .2px;
}
.pill.ok { background: var(--ok-soft); color: var(--ok); }
.pill.warn { background: var(--warn-soft); color: var(--warn); }
.pill.pend { background: var(--brand-soft); color: #0d6396; }
.pill.err { background: #fdecec; color: var(--danger); }

.note {
  font-size: 11.5px;
  color: var(--muted);
  margin-top: 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.bar {
  height: 3px;
  border-radius: 999px;
  background: var(--line-soft);
  margin-top: 8px;
  overflow: hidden;
}
.bar i {
  display: block;
  height: 100%;
  width: 0%;
  border-radius: 999px;
  background: linear-gradient(90deg, #8fdcff, #2f9fe0);
  transition: width .2s ease;
}
.bar.err i { background: #ef6a6a; }
.bar.idle, .bar.done, .bar.err { display: none; }

.actions { display: flex; align-items: center; gap: 6px; flex: none; }
.ibtn {
  width: 32px; height: 32px;
  display: grid; place-items: center;
  border-radius: 9px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text-2);
  cursor: pointer;
  transition: all .14s;
}
.ibtn:hover { background: #f8fdff; color: var(--text); border-color: var(--brand-line); }
.ibtn.dl { color: var(--brand-deep); border-color: #c6e7fa; background: #f1faff; }
.ibtn.dl:hover { background: #e2f5ff; border-color: #9ad8f9; }
.ibtn:disabled { opacity: .35; cursor: not-allowed; }
.ibtn.rm:hover { color: var(--danger); border-color: #f6cdcd; background: #fef6f6; }

/* ---------- footer ---------- */
.foot {
  margin-top: 26px;
  font-size: 12px;
  color: var(--muted);
  text-align: center;
  line-height: 1.7;
}
.foot b { color: var(--text-2); }

/* ---------- toast ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translate(-50%, 16px);
  background: rgba(11, 63, 92, .95);
  color: #fff;
  font-size: 12.5px;
  padding: 9px 16px;
  border-radius: 10px;
  opacity: 0;
  pointer-events: none;
  transition: all .22s ease;
  z-index: 50;
  max-width: 90vw;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 860px) {
  .grid { grid-template-columns: 1fr 1fr; }
  .grid .field:last-child { grid-column: 1 / -1; }
}
@media (max-width: 620px) {
  .topbar { padding: 16px 16px 4px; gap: 10px; }
  .privacy { font-size: 11.5px; padding: 4px 10px; }
  .privacy-full { display: none; }
  .privacy-short { display: inline; }
  main { padding: 8px 16px 48px; }
  .panel { padding: 18px; border-radius: 16px; }
  .grid { grid-template-columns: 1fr; gap: 16px; }
  .panel-head h1 { font-size: 20px; }
  .dropzone { flex-direction: column; text-align: center; padding: 24px 18px; gap: 12px; }
  .dz-cta { display: none; }
  .summary { margin-left: 0; width: 100%; }
  .item { padding: 10px; gap: 10px; }
  .thumb { width: 44px; height: 44px; }
}