:root {
  --bg: #080B14;
  --bg-deep: #060910;
  --panel: #141B2D;
  --panel-alpha: rgba(20, 27, 45, 0.78);
  --line: rgba(255, 255, 255, 0.08);
  --text: #E2E8F0;
  --muted: #94A3B8;
  --dim: #64748B;
  --accent: #818CF8;
  --accent-deep: #4F46E5;
  --danger: #F87171;
  --ok: #34D399;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  background-color: var(--bg);
  background-image: radial-gradient(110% 50% at 50% 0%, rgba(129, 140, 248, 0.18), rgba(8, 11, 20, 0) 60%);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.6;
}

.page {
  max-width: 1240px;
  margin: 0 auto;
  padding: 24px 20px 80px;
}

/* 顶栏 */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
  margin-bottom: 8px;
  background: linear-gradient(180deg, rgba(8, 11, 20, 0.96) 60%, rgba(8, 11, 20, 0.4));
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.logo {
  width: 34px;
  height: 34px;
  border-radius: 12px;
  background: linear-gradient(145deg, #818CF8, #4F46E5);
  box-shadow: 0 8px 24px rgba(79, 70, 229, 0.35);
  flex: none;
}

.brand-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.brand-text strong {
  font-size: 16px;
  letter-spacing: 1px;
}

.sub {
  font-size: 12px;
  color: var(--dim);
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.top-actions {
  display: flex;
  gap: 8px;
}

/* 面板 */
.panel {
  background: var(--panel-alpha);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 20px;
  margin-bottom: 16px;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.panel-head h2 {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
}

h1 {
  margin: 0 0 8px;
  font-size: 22px;
}

.hint {
  margin: 6px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--dim);
}

.error {
  margin: 12px 0 0;
  font-size: 13px;
  color: var(--danger);
}

.empty {
  margin: 8px 0 0;
  padding: 20px;
  text-align: center;
  font-size: 13px;
  color: var(--dim);
  border: 1px dashed var(--line);
  border-radius: 12px;
}

/* 统计 */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}

.stat {
  background: var(--panel-alpha);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat span {
  font-size: 12px;
  color: var(--dim);
}

.stat strong {
  font-size: 24px;
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}

.stat small {
  font-size: 11px;
  color: var(--dim);
}

/* 趋势与 Top */
.legend {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--dim);
}

.dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  margin-right: 5px;
}

.dot.open { background: #A5B4FC; }
.dot.checkin { background: #818CF8; }
.dot.play { background: #34D399; }

.trend {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  overflow-x: auto;
  padding: 8px 2px 4px;
}

.trend-col {
  flex: 1;
  min-width: 38px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.trend-bars {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 3px;
  height: 96px;
  width: 100%;
}

.trend-bar {
  width: 7px;
  min-height: 2px;
  border-radius: 4px 4px 2px 2px;
}

.trend-bar.open { background: #A5B4FC; }
.trend-bar.checkin { background: #818CF8; }
.trend-bar.play { background: #34D399; }

.trend-open {
  height: 12px;
  font-size: 10px;
  color: var(--dim);
}

.trend-day {
  font-size: 10px;
  color: var(--dim);
}

.trend-empty {
  width: 100%;
  padding: 34px 0;
  text-align: center;
  font-size: 12px;
  color: var(--dim);
}

.top-tracks {
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.top-tracks h3 {
  margin: 0 0 10px;
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
}

.top-tracks ol {
  margin: 0;
  padding-left: 20px;
  font-size: 13px;
  color: var(--muted);
}

.top-tracks li {
  padding: 4px 0;
}

.top-tracks b {
  color: var(--text);
  font-weight: 500;
}

.empty-line {
  list-style: none;
  margin-left: -20px;
  color: var(--dim);
}

/* 上传与存储 */
.panel-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.file-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 36px;
  padding: 0 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(15, 23, 42, 0.5);
  color: var(--muted);
  font-size: 13px;
  cursor: pointer;
}

.file-label:hover {
  color: var(--text);
  border-color: rgba(129, 140, 248, 0.45);
}

.audio-sub {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.audio-sub .subtitle {
  flex: 1;
  min-width: 0;
}

.audio-sub .category {
  width: 128px;
  flex: none;
}

.badge {
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--dim);
  flex: none;
}

.badge.ok {
  color: #6EE7B7;
  border-color: rgba(52, 211, 153, 0.35);
  background: rgba(52, 211, 153, 0.08);
}

.warning {
  margin: 0 0 14px;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 12px;
  line-height: 1.7;
  color: #FCD34D;
  background: rgba(251, 191, 36, 0.1);
  border: 1px solid rgba(251, 191, 36, 0.3);
}

.row-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.danger {
  background: rgba(248, 113, 113, 0.1);
  border-color: rgba(248, 113, 113, 0.35);
  color: #FCA5A5;
}

.danger:hover {
  background: rgba(248, 113, 113, 0.18);
  border-color: rgba(248, 113, 113, 0.6);
}

.user-search {
  display: flex;
  gap: 10px;
  align-items: center;
}

.user-search input {
  flex: 1;
  min-width: 0;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 13px;
}

.user-search .primary {
  flex: none;
  width: 96px;
  height: 38px;
}

.user-summary {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 4px 0 12px;
  font-size: 12px;
  color: var(--muted);
}

.user-summary strong {
  font-size: 26px;
  color: var(--text);
  font-weight: 600;
}

.user-summary code {
  margin-left: auto;
  max-width: 52%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 11px;
  color: var(--dim);
}

.user-records {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}

.user-record {
  display: grid;
  grid-template-columns: 92px 1fr 1fr 88px;
  gap: 10px;
  align-items: center;
  padding: 10px 4px;
  border-bottom: 1px solid var(--line);
  font-size: 12px;
  color: var(--muted);
}

.user-record strong {
  color: var(--text);
  font-weight: 500;
}

.user-record .num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.user-empty {
  padding: 18px 4px;
  font-size: 12px;
  color: var(--dim);
}

@media (max-width: 720px) {
  .user-search {
    flex-direction: column;
    align-items: stretch;
  }

  .user-search .primary {
    width: 100%;
  }

  .user-record {
    grid-template-columns: 1fr 1fr;
  }

  .user-record .num {
    text-align: left;
  }

  .user-summary code {
    display: none;
  }
}

.grid-cache {
  margin-top: 14px;
}

.stat-text {
  font-size: 15px !important;
  padding-top: 6px;
}

/* 表单 */
.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 16px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12px;
  color: var(--muted);
}

.field-wide {
  grid-column: 1 / -1;
}

input,
select {
  width: 100%;
  height: 38px;
  padding: 0 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(15, 23, 42, 0.72);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.15s ease, background 0.15s ease;
}

input::placeholder {
  color: #475569;
}

input:focus,
select:focus {
  border-color: rgba(129, 140, 248, 0.7);
  background: rgba(15, 23, 42, 0.95);
}

select {
  appearance: none;
  -webkit-appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, #64748B 50%),
    linear-gradient(135deg, #64748B 50%, transparent 50%);
  background-position: calc(100% - 18px) 16px, calc(100% - 13px) 16px;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 34px;
}

/* 按钮 */
button {
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
  border-radius: 10px;
  border: 1px solid transparent;
  height: 36px;
  padding: 0 14px;
  transition: opacity 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

button:disabled {
  opacity: 0.55;
  cursor: default;
}

.primary {
  background: linear-gradient(135deg, var(--accent-deep), #4F46E5);
  border-color: rgba(165, 180, 252, 0.32);
  color: var(--text);
  font-weight: 600;
  height: 40px;
}

.primary:hover {
  opacity: 0.92;
}

.ghost {
  background: rgba(15, 23, 42, 0.5);
  border-color: var(--line);
  color: var(--muted);
}

.ghost:hover {
  color: var(--text);
  border-color: rgba(129, 140, 248, 0.45);
}

/* 环境音条目 */
.audio-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.audio-row {
  background: rgba(15, 23, 42, 0.58);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px;
}

.audio-top {
  display: flex;
  align-items: center;
  gap: 8px;
}

.index {
  width: 22px;
  flex: none;
  font-size: 11px;
  color: var(--dim);
  font-variant-numeric: tabular-nums;
}

.audio-top .title {
  flex: 1;
  min-width: 80px;
}

.audio-top .icon {
  width: 64px;
  flex: none;
  padding-right: 24px;
}

.icon-btn {
  width: 32px;
  height: 32px;
  padding: 0;
  flex: none;
  background: rgba(30, 41, 59, 0.9);
  border-color: var(--line);
  color: var(--muted);
  font-size: 13px;
}

.icon-btn:hover {
  color: var(--text);
}

.icon-btn.remove:hover {
  color: var(--danger);
  border-color: rgba(248, 113, 113, 0.4);
}

.icon-btn.confirming {
  width: auto;
  padding: 0 10px;
  font-size: 12px;
  color: var(--danger);
  border-color: rgba(248, 113, 113, 0.5);
  background: rgba(248, 113, 113, 0.12);
}

.audio-row .subtitle {
  margin-top: 8px;
}

.audio-url {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.audio-url .url {
  flex: 1;
  min-width: 0;
  font-size: 13px;
}

.preview {
  flex: none;
  height: 38px;
}

/* 开关 */
.switches {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
}

.switch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text);
  cursor: pointer;
}

.switch input {
  width: 18px;
  height: 18px;
  accent-color: var(--accent-deep);
  cursor: pointer;
}

/* 保存条 */
.savebar {
  position: sticky;
  bottom: 16px;
  z-index: 15;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 16px;
  margin: 20px 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(11, 18, 32, 0.92);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.dirty {
  font-size: 13px;
  color: var(--dim);
}

.dirty.warn {
  color: #FBBF24;
}

/* JSON */
.json {
  margin: 0;
  padding: 14px;
  max-height: 420px;
  overflow: auto;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--bg-deep);
  color: #C7D2FE;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  line-height: 1.6;
}

/* 登录 */
.login-wrap {
  display: flex;
  justify-content: center;
  padding-top: 10vh;
}

.login {
  width: 100%;
  max-width: 380px;
  padding: 28px;
}

.login .field {
  margin-top: 22px;
}

.login code {
  padding: 1px 5px;
  border-radius: 5px;
  background: rgba(129, 140, 248, 0.14);
  color: #C7D2FE;
  font-size: 12px;
}

.login .primary {
  width: 100%;
  margin-top: 20px;
}

/* 提示 */
.toast {
  position: fixed;
  left: 50%;
  bottom: 96px;
  transform: translateX(-50%);
  z-index: 50;
  max-width: calc(100vw - 40px);
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(11, 18, 32, 0.96);
  color: var(--text);
  font-size: 13px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
  animation: fadeIn 0.2s ease;
}

.toast.error {
  border-color: rgba(248, 113, 113, 0.4);
  color: #FCA5A5;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@media (max-width: 720px) {
  .stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid {
    grid-template-columns: 1fr;
  }

  .field-wide {
    grid-column: auto;
  }

  .page {
    padding: 16px 14px 90px;
  }

  .panel {
    padding: 16px;
    border-radius: 16px;
  }

  .audio-top {
    flex-wrap: wrap;
  }

  .audio-top .title {
    flex: 1 1 100%;
    order: 2;
  }

  .audio-top .index {
    order: 1;
  }

  .audio-top .icon {
    order: 3;
  }

  .audio-top .icon-btn {
    order: 4;
  }

  .audio-sub {
    flex-direction: column;
  }

  .audio-sub .category {
    width: 100%;
  }

  .savebar {
    bottom: 8px;
  }
}

/* ================= 后台左菜单 + 右工作区 ================= */
.admin-shell {
  display: grid;
  grid-template-columns: 208px minmax(0, 1fr);
  gap: 22px;
  align-items: start;
}

.admin-side {
  position: sticky;
  top: 84px;
  min-width: 0;
}

.side-card {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--panel-alpha);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.22);
}

.side-eyebrow {
  margin: 4px 8px 12px;
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--dim);
}

.side-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.side-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 12px;
  border: 1px solid transparent;
  border-radius: 12px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 13px;
  text-align: left;
  cursor: pointer;
  transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.side-item:hover {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

.side-item.is-active {
  background: rgba(129, 140, 248, 0.14);
  border-color: rgba(129, 140, 248, 0.3);
  color: #F8FAFC;
}

.side-ico {
  width: 18px;
  flex: none;
  text-align: center;
  font-size: 13px;
  color: var(--accent);
}

.side-foot {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  padding: 12px 8px 2px;
  border-top: 1px solid var(--line);
  font-size: 11px;
  color: var(--dim);
}

.side-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ok);
  flex: none;
}

.admin-workspace {
  min-width: 0;
}

.workspace-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin: 2px 2px 18px;
  padding: 0 4px;
}

.workspace-eyebrow {
  margin: 0 0 4px;
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--dim);
}

.workspace-head h1 {
  margin: 0;
  font-size: 24px;
  letter-spacing: 0.02em;
}

.workspace-head .hint {
  margin-top: 4px;
}

.admin-panel {
  animation: adminPanelIn 0.25s ease both;
}

@keyframes adminPanelIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.admin-panel > .panel:last-child,
.admin-panel > section:last-child {
  margin-bottom: 8px;
}

.admin-workspace .savebar {
  margin-top: 18px;
}

@media (max-width: 860px) {
  .admin-shell {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .admin-side {
    position: static;
  }

  .side-card {
    padding: 10px;
    overflow-x: auto;
  }

  .side-eyebrow,
  .side-foot {
    display: none;
  }

  .side-nav {
    flex-direction: row;
    gap: 6px;
    width: max-content;
  }

  .side-item {
    width: auto;
    white-space: nowrap;
    padding: 8px 12px;
  }

  .side-ico {
    display: none;
  }

  .workspace-head {
    margin-top: 8px;
  }
}