/* ============================================================
   后台管理界面样式
   ------------------------------------------------------------
   依赖 style.css 的变量与基础组件；这里只写后台特有的布局
   与前台同一套语言：纸白底、墨色硬边、零圆角、零阴影，
   唯一的强调色是 --accent（安全橙）。
   ============================================================ */

/* ------------------------------------------------------------ 登录 */
.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  position: relative;
  z-index: 1;
}
.login-card {
  position: relative;
  overflow: hidden;
  width: 100%;
  max-width: 380px;
  border: 1px solid var(--ink);
  background: rgba(255, 255, 255, 0.5);
  padding: 32px 28px;
}
.login-card .brand { margin-bottom: 22px; }
.login-card h1 { font-size: 20px; margin-bottom: 6px; }
.login-card .hint { color: var(--ink-3); font-size: 13px; margin-bottom: 22px; }

.field { margin-bottom: 16px; }
.field .help { font-size: 12px; color: var(--ink-3); margin-top: 5px; }
.field code {
  font-family: var(--font-mono);
  font-size: 11.5px;
  padding: 1px 5px;
  border: 1px solid var(--rule);
  background: rgba(255, 255, 255, 0.6);
}

.input, .textarea, .select {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--rule-2);
  border-radius: 0;
  background: rgba(255, 255, 255, 0.55);
  color: var(--ink);
  font-family: inherit;
  font-size: 14px;
  outline: none;
  transition: border-color 0.16s ease, background 0.16s ease;
}
.input:focus, .textarea:focus, .select:focus { border-color: var(--ink); background: #fff; }
.input::placeholder, .textarea::placeholder { color: var(--ink-3); }
.textarea { resize: vertical; min-height: 88px; line-height: 1.7; }
.select {
  cursor: pointer;
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--ink-3) 50%),
    linear-gradient(135deg, var(--ink-3) 50%, transparent 50%);
  background-position: calc(100% - 17px) 17px, calc(100% - 12px) 17px;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 34px;
}
.input.mono, .textarea.mono { font-family: var(--font-mono); font-size: 13px; }

.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.row-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }

.check { display: inline-flex; align-items: center; gap: 8px; font-size: 13.5px; color: var(--ink-2); cursor: pointer; user-select: none; }
.check input { accent-color: var(--accent); width: 15px; height: 15px; cursor: pointer; }

.alert {
  padding: 10px 13px;
  font-size: 13px;
  margin-bottom: 14px;
  border: 1px solid var(--rule-2);
  background: rgba(255, 255, 255, 0.55);
  color: var(--ink-2);
}
.alert.error { border-color: var(--accent); background: rgba(192, 67, 26, 0.06); color: var(--accent); }
.alert.ok { border-color: var(--ink); background: rgba(22, 22, 15, 0.05); color: var(--ink); }

/* ------------------------------------------------------------ 应用外壳 */
.admin-app { display: none; }
.admin-app.on { display: block; position: relative; z-index: 1; }

.admin-top {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(241, 239, 230, 0.94);
  border-bottom: 1px solid var(--ink);
  backdrop-filter: blur(10px);
}
.admin-top .inner { display: flex; align-items: center; gap: 14px; min-height: 58px; flex-wrap: wrap; }
.admin-top .spacer { flex: 1; }
.admin-top .tabs { display: flex; gap: 0; border: 1px solid var(--ink); }
.admin-tab {
  padding: 8px 16px;
  border: none;
  border-right: 1px solid var(--ink);
  background: transparent;
  color: var(--ink-2);
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
  transition: background 0.16s ease, color 0.16s ease;
}
.admin-tab:last-child { border-right: none; }
.admin-tab:hover { background: var(--paper-2); color: var(--ink); }
.admin-tab.active { background: var(--ink); color: var(--paper); }

.admin-main { padding: 30px 0 80px; }
.pane { display: none; }
.pane.on { display: block; }

.bar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 18px; }
.bar .spacer { flex: 1; }

/* ------------------------------------------------------------ 资源表格 */
.table-wrap { border: 1px solid var(--ink); background: rgba(255, 255, 255, 0.42); overflow: hidden; }
table.data { width: 100%; border-collapse: collapse; font-size: 13.5px; }
table.data th {
  text-align: left;
  font-weight: 400;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
  padding: 12px 14px;
  background: rgba(22, 22, 15, 0.04);
  border-bottom: 1px solid var(--ink);
  white-space: nowrap;
}
table.data td { padding: 11px 14px; border-bottom: 1px solid var(--rule); vertical-align: middle; }
table.data tr:last-child td { border-bottom: none; }
table.data tr:hover td { background: rgba(255, 255, 255, 0.6); }

.cell-thumb {
  width: 54px;
  height: 40px;
  border: 1px solid var(--rule);
  background: var(--paper-2);
  object-fit: cover;
  display: block;
  filter: grayscale(0.9);
}
.cell-thumb.ph {
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--ink-3);
  background: var(--paper-2);
}
.cell-name { color: var(--ink); }
.cell-name .sid {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-3);
  margin-top: 2px;
}
.dot-yes, .dot-no { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; }
.dot-yes { color: var(--ink); }
.dot-no { color: var(--ink-3); }
.dot-yes::before, .dot-no::before { content: ""; width: 6px; height: 6px; background: currentColor; flex: none; }
.row-actions { display: flex; gap: 6px; }
.icon-btn {
  padding: 5px 10px;
  border: 1px solid var(--rule-2);
  border-radius: 0;
  background: transparent;
  color: var(--ink-2);
  font-family: inherit;
  font-size: 12px;
  cursor: pointer;
  transition: background 0.16s ease, border-color 0.16s ease, color 0.16s ease;
}
.icon-btn:hover { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.icon-btn.danger:hover { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ------------------------------------------------------------ 编辑表单 */
.form-grid { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(320px, 1fr); gap: 20px; align-items: start; }
.form-card { border: 1px solid var(--rule); background: rgba(255, 255, 255, 0.42); padding: 22px; margin-bottom: 18px; }
.form-card > h3 {
  display: flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 400;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--rule);
}
.form-card > h3 .n {
  min-width: 20px;
  height: 20px;
  display: grid;
  place-items: center;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-size: 10px;
}

/* ------------------------------------------------------------ 上传区 */
.drop {
  position: relative;
  border: 1px dashed var(--rule-2);
  background: rgba(255, 255, 255, 0.35);
  padding: 18px 16px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.16s ease, background 0.16s ease;
}
.drop:hover { border-color: var(--ink); }
.drop.over { border-color: var(--accent); background: rgba(192, 67, 26, 0.05); }
.drop .d-title { font-size: 13.5px; color: var(--ink-2); }
.drop .d-sub { font-family: var(--font-mono); font-size: 11px; color: var(--ink-3); margin-top: 5px; }
.drop input[type="file"] { display: none; }

.file-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 10px;
  padding: 9px 11px;
  border: 1px solid var(--ink);
  background: rgba(22, 22, 15, 0.04);
  font-size: 13px;
}
.file-chip .fc-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-chip .fc-meta { font-family: var(--font-mono); font-size: 11px; color: var(--ink-3); }
.file-chip .fc-x { border: none; background: transparent; color: var(--ink-3); font-size: 15px; line-height: 1; cursor: pointer; padding: 2px 4px; }
.file-chip .fc-x:hover { color: var(--accent); }

/* 贴图通道槽：单列紧凑行，预览固定 40px */
.map-slots { display: grid; grid-template-columns: 1fr; gap: 8px; }
.map-slot {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--rule);
  background: rgba(255, 255, 255, 0.35);
  padding: 8px 10px;
  min-height: 58px;
}
.map-slot .ms-head { flex: 1; min-width: 0; display: flex; align-items: center; gap: 10px; }
.map-slot .ms-name { font-family: var(--font-mono); font-size: 11px; color: var(--ink-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.map-slot .ms-pick {
  flex: none;
  border: 1px solid var(--rule-2);
  border-radius: 0;
  background: transparent;
  color: var(--ink-2);
  font-family: inherit;
  font-size: 11px;
  padding: 3px 8px;
  cursor: pointer;
}
.map-slot .ms-pick:hover { border-color: var(--ink); color: var(--ink); }
.map-slot .ms-thumb,
.map-slot .ms-empty { flex: none; width: 40px; height: 40px; }
.map-slot .ms-thumb { border: 1px solid var(--rule-2); object-fit: cover; display: block; }
.map-slot .ms-empty {
  border: 1px dashed var(--rule);
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--ink-3);
}
.map-slot .ms-clear {
  flex: none;
  width: auto;
  border: 1px solid var(--rule-2);
  border-radius: 0;
  background: transparent;
  color: var(--ink-3);
  font-family: inherit;
  font-size: 11px;
  padding: 4px 9px;
  cursor: pointer;
}
.map-slot .ms-clear:hover { border-color: var(--accent); color: var(--accent); }

/* ------------------------------------------------------------ key/value 行 */
.kv-row { display: grid; grid-template-columns: 1fr 1.3fr auto; gap: 8px; margin-bottom: 8px; }
.kv-row .kv-del {
  width: 32px;
  border: 1px solid var(--rule-2);
  border-radius: 0;
  background: transparent;
  color: var(--ink-3);
  cursor: pointer;
  font-size: 14px;
}
.kv-row .kv-del:hover { border-color: var(--accent); color: var(--accent); }

/* 规格快捷模板 */
.spec-presets { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 12px; }
.spec-presets button {
  padding: 5px 10px;
  border: 1px solid var(--rule-2);
  border-radius: 0;
  background: transparent;
  color: var(--ink-3);
  font-family: inherit;
  font-size: 12px;
  cursor: pointer;
  transition: border-color 0.16s ease, color 0.16s ease, background 0.16s ease;
}
.spec-presets button:hover { border-color: var(--ink); color: var(--ink); background: rgba(255, 255, 255, 0.6); }

/* 保存条 */
.save-bar {
  position: sticky;
  bottom: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 6px;
  padding: 14px 18px;
  border: 1px solid var(--ink);
  background: rgba(241, 239, 230, 0.96);
  backdrop-filter: blur(8px);
}
.save-bar .spacer { flex: 1; }
.save-bar .tip { font-size: 12.5px; color: var(--ink-3); }

/* 进度 */
.progress { height: 2px; background: var(--rule); overflow: hidden; margin-top: 10px; display: none; }
.progress.on { display: block; }
.progress > i { display: block; height: 100%; width: 0; background: var(--accent); transition: width 0.2s ease; }

/* 弹窗 */
.modal-bg {
  position: fixed;
  inset: 0;
  z-index: 120;
  background: rgba(22, 22, 15, 0.5);
  display: none;
  place-items: center;
  padding: 22px;
}
.modal-bg.on { display: grid; }
.modal {
  width: 100%;
  max-width: 400px;
  border: 1px solid var(--ink);
  background: var(--paper);
  padding: 24px;
}
.modal h3 { margin-bottom: 8px; }
.modal p { color: var(--ink-2); font-size: 14px; margin-bottom: 20px; }
.modal .m-actions { display: flex; gap: 10px; justify-content: flex-end; }

/* ------------------------------------------------------------ 响应式 */
@media (max-width: 1024px) {
  .form-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .row-2, .row-3 { grid-template-columns: 1fr; }
  .table-wrap { overflow-x: auto; }
  table.data { min-width: 720px; }
  .admin-top .inner { padding-top: 8px; padding-bottom: 8px; }
}