/* CSV 备份柜 —— 界面样式
   目标是「看一眼就知道存了什么」，所以信息密度偏高、留白克制。 */

:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-2: #f0f2f5;
  --line: #e3e6ea;
  --line-strong: #cfd4da;
  --text: #1b1f24;
  --text-2: #5b6472;
  --text-3: #8b95a3;
  --accent: #2563eb;
  --accent-soft: #eaf1ff;
  --danger: #d92d20;
  --danger-soft: #fef3f2;
  --ok: #067647;
  --warn: #b54708;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 4px 12px rgba(16, 24, 40, .05);
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a;
    --surface: #1c1f24;
    --surface-2: #23272e;
    --line: #2e333b;
    --line-strong: #3d444e;
    --text: #e8eaed;
    --text-2: #a2abb8;
    --text-3: #7b8593;
    --accent: #6b9bff;
    --accent-soft: #1e2a44;
    --danger: #ff6b5e;
    --danger-soft: #34201e;
    --ok: #52d68f;
    --warn: #f0a35e;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 4px 16px rgba(0, 0, 0, .3);
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
}

body {
  font: 15px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

[hidden] { display: none !important; }

/* ---------------- 登录 */

.gate {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background: radial-gradient(1200px 600px at 50% -10%, var(--accent-soft), transparent 70%), var(--bg);
}

.gate-card {
  width: min(400px, 100%);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 32px 28px 24px;
  box-shadow: var(--shadow);
}

.gate-mark { font-size: 34px; line-height: 1; }
.gate-card h1 { margin: 10px 0 6px; font-size: 22px; letter-spacing: -.2px; }
.gate-sub { margin: 0 0 22px; color: var(--text-2); font-size: 13.5px; }

.field { display: block; margin-bottom: 16px; }
.field > span { display: block; font-size: 12.5px; color: var(--text-2); margin-bottom: 6px; }

.field input {
  width: 100%;
  padding: 11px 12px;
  font-size: 15px;
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}

.field input:focus-visible {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}

.gate-msg {
  min-height: 18px;
  margin: 12px 0 0;
  font-size: 13px;
  color: var(--danger);
}

/* ---------------- 部署自检 */

.setup-card { width: min(560px, 100%); }

.setup-list {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.setup-item {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg);
  font-size: 13.5px;
  line-height: 1.6;
}

.setup-item strong { display: block; font-size: 14.5px; margin-bottom: 2px; }

.setup-key {
  display: inline-block;
  margin-bottom: 6px;
  padding: 1px 7px;
  border-radius: 6px;
  background: var(--accent-soft);
  color: var(--accent);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12.5px;
  word-break: break-all;
}

.setup-where { color: var(--text-2); }
.setup-hint { color: var(--text-2); margin-top: 4px; }

/* ---------------- 通用按钮 */

.btn {
  font: inherit;
  font-size: 14px;
  padding: 9px 15px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-strong);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  transition: background .14s, border-color .14s, transform .06s;
  white-space: nowrap;
}

.btn:hover { background: var(--surface-2); }
.btn:active { transform: translateY(.5px); }
.btn:disabled { opacity: .55; cursor: not-allowed; }

.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
}
.btn.primary:hover { filter: brightness(1.06); }

.btn.ghost {
  background: transparent;
  border-color: transparent;
  color: var(--text-2);
}
.btn.ghost:hover { background: var(--surface-2); color: var(--text); }

.btn.danger { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 35%, var(--line)); }
.btn.danger:hover { background: var(--danger-soft); }

.btn.block { width: 100%; }

.btn.small { font-size: 13px; padding: 6px 10px; }

.link {
  background: none;
  border: 0;
  padding: 0;
  font: inherit;
  font-size: 13px;
  color: var(--accent);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
}

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---------------- 顶栏 */

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px max(20px, env(safe-area-inset-left)) 12px max(20px, env(safe-area-inset-right));
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}

.brand { display: flex; align-items: center; gap: 8px; font-weight: 650; letter-spacing: -.2px; }
.brand-mark { font-size: 19px; }
.topbar-actions { display: flex; gap: 4px; }

.main {
  width: min(920px, 100%);
  margin: 0 auto;
  padding: 20px max(16px, env(safe-area-inset-left)) 48px max(16px, env(safe-area-inset-right));
}

/* ---------------- 概览 */

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}

.stat {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 13px 14px;
}

.stat-k { font-size: 12px; color: var(--text-3); margin-bottom: 3px; }
.stat-v { font-size: 19px; font-weight: 650; letter-spacing: -.4px; font-variant-numeric: tabular-nums; }
.stat-v small { font-size: 12.5px; font-weight: 500; color: var(--text-2); margin-left: 3px; }

.stat.quota .stat-v { font-size: 16px; }
.stat-bar {
  margin-top: 8px;
  height: 5px;
  border-radius: 99px;
  background: var(--surface-2);
  overflow: hidden;
}
.stat-bar > i {
  display: block;
  height: 100%;
  background: var(--accent);
  border-radius: 99px;
  transition: width .4s ease;
}
.stat-bar.full > i { background: var(--danger); }

/* ---------------- 上传区 */

.dropzone {
  position: relative;
  display: grid;
  gap: 10px;
  padding: 22px;
  margin-bottom: 18px;
  text-align: center;
  background: var(--surface);
  border: 1.5px dashed var(--line-strong);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color .16s, background .16s, transform .1s;
}

.dropzone:hover { border-color: var(--accent); background: var(--accent-soft); }
.dropzone.over { border-color: var(--accent); background: var(--accent-soft); transform: scale(1.002); }
.dropzone.busy { pointer-events: none; opacity: .9; }

.dz-icon { font-size: 22px; color: var(--text-3); line-height: 1; }
.dz-title { font-weight: 600; font-size: 14.5px; }
.dz-hint { font-size: 12.5px; color: var(--text-3); }

.dz-progress { display: grid; gap: 6px; margin-top: 4px; }
.dz-bar { height: 4px; border-radius: 99px; background: var(--surface-2); overflow: hidden; }
.dz-bar > i { display: block; height: 100%; width: 0; background: var(--accent); transition: width .2s; }
.dz-text { font-size: 12.5px; color: var(--text-2); font-variant-numeric: tabular-nums; }

/* ---------------- 工具条 */

.toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.search {
  position: relative;
  flex: 1 1 240px;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 11px;
  font-size: 13px;
  opacity: .45;
  pointer-events: none;
}

.search input {
  width: 100%;
  padding: 9px 32px 9px 32px;
  font: inherit;
  font-size: 14px;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 99px;
  outline: none;
}
.search input:focus-visible { border-color: var(--accent); }

.search-clear {
  position: absolute;
  right: 8px;
  width: 22px;
  height: 22px;
  border: 0;
  border-radius: 50%;
  background: var(--surface-2);
  color: var(--text-2);
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
}

.tabs { display: flex; gap: 2px; padding: 3px; background: var(--surface-2); border-radius: 99px; }

.tab {
  font: inherit;
  font-size: 13.5px;
  padding: 6px 13px;
  border: 0;
  border-radius: 99px;
  background: transparent;
  color: var(--text-2);
  cursor: pointer;
  white-space: nowrap;
}
.tab.active { background: var(--surface); color: var(--text); font-weight: 600; box-shadow: var(--shadow); }
.tab-n { font-variant-numeric: tabular-nums; opacity: .6; margin-left: 2px; }

.select {
  font: inherit;
  font-size: 13.5px;
  padding: 8px 26px 8px 11px;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  cursor: pointer;
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--text-3) 50%),
                    linear-gradient(135deg, var(--text-3) 50%, transparent 50%);
  background-position: calc(100% - 14px) 52%, calc(100% - 9px) 52%;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
}

/* ---------------- 标签栏 */

.tagbar {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.tag-chip {
  font: inherit;
  font-size: 12.5px;
  padding: 4px 10px;
  border-radius: 99px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text-2);
  cursor: pointer;
}
.tag-chip.on { background: var(--accent-soft); border-color: color-mix(in srgb, var(--accent) 40%, var(--line)); color: var(--accent); font-weight: 600; }
.tag-chip .n { opacity: .55; margin-left: 3px; }

/* ---------------- 列表 */

.list-wrap { display: grid; gap: 8px; }

.row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color .14s, box-shadow .14s;
}

.row:hover { border-color: var(--line-strong); box-shadow: var(--shadow); }
.row.trashed { opacity: .82; }

.row-icon {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: var(--surface-2);
  font-size: 17px;
}

.row-main { min-width: 0; }

.row-name {
  font-weight: 600;
  font-size: 14.5px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  letter-spacing: -.1px;
}

.row-name .dir { color: var(--text-3); font-weight: 500; }

.row-meta {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  font-size: 12.5px;
  color: var(--text-3);
  margin-top: 2px;
}

.dot::before { content: "·"; margin-right: 8px; opacity: .6; }

.pill {
  font-size: 11.5px;
  padding: 1px 7px;
  border-radius: 99px;
  background: var(--surface-2);
  color: var(--text-2);
  font-variant-numeric: tabular-nums;
}
.pill.ver { background: var(--accent-soft); color: var(--accent); }

.row-preview {
  margin-top: 7px;
  padding: 7px 9px;
  font-family: var(--mono);
  font-size: 11.5px;
  line-height: 1.5;
  color: var(--text-2);
  background: var(--surface-2);
  border-radius: 6px;
  white-space: pre;
  overflow: hidden;
  text-overflow: ellipsis;
  max-height: 58px;
}

.row-actions { display: flex; gap: 2px; }

.icon-btn {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  font-size: 14px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--text-3);
  cursor: pointer;
  transition: background .12s, color .12s;
}
.icon-btn:hover { background: var(--surface-2); color: var(--text); }
.icon-btn.danger:hover { background: var(--danger-soft); color: var(--danger); }

.row-tags { display: flex; gap: 4px; flex-wrap: wrap; }
.row-tag {
  font-size: 11px;
  padding: 1px 6px;
  border-radius: 4px;
  background: var(--accent-soft);
  color: var(--accent);
}

/* 空状态 */
.empty {
  padding: 48px 20px;
  text-align: center;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
.empty-icon { font-size: 30px; opacity: .35; margin-bottom: 8px; }
.empty-title { font-weight: 600; margin-bottom: 4px; }
.empty-hint { font-size: 13px; color: var(--text-3); }

.foot {
  margin-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--text-3);
}

/* ---------------- 弹窗 */

.dialog {
  width: min(560px, calc(100vw - 32px));
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 20px 60px rgba(0, 0, 0, .25);
}
.dialog::backdrop { background: rgba(0, 0, 0, .38); backdrop-filter: blur(2px); }

.dialog-inner { padding: 22px 24px 18px; }
.dialog h2 { margin: 0 0 12px; font-size: 17px; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 18px; }

.muted { color: var(--text-2); font-size: 13.5px; }

.code {
  margin: 12px 0 0;
  padding: 12px 14px;
  background: var(--surface-2);
  border-radius: var(--radius-sm);
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.65;
  white-space: pre-wrap;
  word-break: break-all;
  color: var(--text-2);
}

.ver-list { display: grid; gap: 6px; max-height: 52vh; overflow: auto; }

.ver-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-size: 13px;
}
.ver-row .v-seq { font-weight: 650; font-variant-numeric: tabular-nums; }
.ver-row .v-meta { color: var(--text-3); font-size: 12.5px; flex: 1; min-width: 0; }

/* ---------------- Toast */

.toast {
  position: fixed;
  left: 50%;
  bottom: max(24px, env(safe-area-inset-bottom));
  transform: translateX(-50%) translateY(8px);
  z-index: 60;
  max-width: min(520px, calc(100vw - 32px));
  padding: 11px 18px;
  border-radius: 99px;
  background: #1b1f24;
  color: #fff;
  font-size: 13.5px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .3);
  opacity: 0;
  transition: opacity .2s, transform .2s;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.err { background: #b42318; }
.toast.ok { background: #067647; }

/* ---------------- 窄屏 */

@media (max-width: 640px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .toolbar { gap: 8px; }
  .search { flex-basis: 100%; }
  .row { grid-template-columns: auto 1fr; }
  .row-actions {
    grid-column: 1 / -1;
    justify-content: flex-end;
    border-top: 1px solid var(--line);
    padding-top: 8px;
    margin-top: 2px;
  }
  .row-preview { display: none; }
  .foot { flex-direction: column; align-items: flex-start; }
}

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