/* ============================================================
   base.css — 设计变量、重置、控制台与通用组件
   阅读器本体（小说渲染）由各皮肤自行定义
   ============================================================ */

:root {
  --font-ui: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
             "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --font-mono: "SF Mono", ui-monospace, Menlo, Consolas, monospace;

  --c-accent: #4d6bfe;
  --c-accent-weak: rgba(77, 107, 254, .1);
  --c-bg: #ffffff;
  --c-bg-soft: #f6f7f9;
  --c-line: #e6e8eb;
  --c-text: #1f2329;
  --c-text-2: #5b6470;
  --c-text-3: #8f97a3;
  --c-danger: #e5484d;

  --radius-s: 6px;
  --radius-m: 10px;
  --radius-l: 14px;

  --shadow-1: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .08);
  --shadow-2: 0 8px 28px rgba(16, 24, 40, .12), 0 2px 8px rgba(16, 24, 40, .06);
  --shadow-3: 0 24px 64px rgba(16, 24, 40, .22);

  --z-console: 900;
  --z-toast: 1000;
}

* { box-sizing: border-box; }

/* 作者样式里的 display 会盖掉 UA 的 [hidden]，这里显式兜底 */
[hidden] { display: none !important; }

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

body {
  font-family: var(--font-ui);
  font-size: 14px;
  color: var(--c-text);
  background: #dfe3e8;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

body.boot { visibility: hidden; }

button, input, select, textarea { font-family: inherit; font-size: inherit; color: inherit; }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, .16);
  border: 3px solid transparent;
  border-radius: 8px;
  background-clip: content-box;
}
::-webkit-scrollbar-thumb:hover { background: rgba(0, 0, 0, .3); background-clip: content-box; }
::-webkit-scrollbar-track { background: transparent; }

/* ---------------- 应用容器 ---------------- */
.app {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  background: linear-gradient(180deg, #e9ecf1 0%, #dfe3e8 100%);
}

.app[data-shell="bare"] { background: #fff; }

.app[data-shell="bare"] .chrome {
  border-radius: 0;
  box-shadow: none;
  width: 100%;
  height: 100%;
  border: 0;
}

.app[data-shell="bare"] .chrome-tabbar,
.app[data-shell="bare"] .chrome-toolbar { display: none; }

/* ---------------- 通用控件 ---------------- */
.btn {
  appearance: none;
  border: 1px solid var(--c-line);
  background: #fff;
  border-radius: var(--radius-s);
  padding: 7px 12px;
  cursor: pointer;
  transition: background .15s, border-color .15s, color .15s;
  font-size: 13px;
}
.btn:hover { background: var(--c-bg-soft); border-color: #d5d9e0; }
.btn:active { transform: translateY(.5px); }

.btn-primary {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: #fff;
}
.btn-primary:hover { background: #3f5cf0; border-color: #3f5cf0; }

.btn-ghost { color: var(--c-text-2); }

.row-btns { display: flex; gap: 8px; margin-top: 8px; flex-wrap: wrap; }

.select {
  width: 100%;
  appearance: none;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-s);
  padding: 8px 30px 8px 10px;
  background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%235b6470'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E") no-repeat right 6px center / 18px;
  cursor: pointer;
}

.text-input {
  width: 100%;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-s);
  padding: 8px 10px;
  background: #fff;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.text-input + .text-input { margin-top: 8px; }
.text-input::placeholder { color: var(--c-text-3); }
.text-input:focus { border-color: var(--c-accent); box-shadow: 0 0 0 3px var(--c-accent-weak); }

/* 外观页里的头像 / 标签页图标预览 */
.avatar-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 10px;
}
.avatar-row .text-input { margin-top: 0; }
.avatar-preview {
  flex: 0 0 32px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #4d6bfe;
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .06);
}
.avatar-preview img { width: 100%; height: 100%; object-fit: cover; display: block; }
.avatar-preview--tab {
  border-radius: 5px;
  background: #fff;
  color: var(--c-text-2);
}
input[type="color"] {
  width: 40px;
  height: 32px;
  padding: 2px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-s);
  background: #fff;
  cursor: pointer;
}
/* 藏起来但保留可点击盒子：1x1 不参与布局，也不影响可访问性 */
.visually-hidden {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  overflow: hidden;
}

input[type="range"] {
  width: 100%;
  appearance: none;
  height: 4px;
  border-radius: 2px;
  background: #e3e6eb;
  outline: none;
  margin: 6px 0 2px;
}
input[type="range"]::-webkit-slider-thumb {
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid #c9ced6;
  box-shadow: var(--shadow-1);
  cursor: pointer;
}

.switch {
  appearance: none;
  border: 0;
  width: 40px;
  height: 22px;
  border-radius: 11px;
  background: #d7dbe1;
  position: relative;
  cursor: pointer;
  transition: background .18s;
  flex: 0 0 auto;
}
.switch i {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff;
  box-shadow: var(--shadow-1);
  transition: transform .18s;
}
.switch[aria-checked="true"] { background: var(--c-accent); }
.switch[aria-checked="true"] i { transform: translateX(18px); }

.switch-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0 2px;
  font-size: 13px;
  color: var(--c-text-2);
}

/* ---------------- 控制台抽屉 ---------------- */
.scrim {
  position: fixed;
  inset: 0;
  background: rgba(15, 20, 30, .28);
  z-index: var(--z-console);
  animation: fade .18s ease;
}
@keyframes fade { from { opacity: 0 } to { opacity: 1 } }

.console {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 420px;
  max-width: 92vw;
  background: #fff;
  z-index: calc(var(--z-console) + 1);
  box-shadow: var(--shadow-3);
  display: flex;
  flex-direction: column;
  animation: slideIn .22s cubic-bezier(.22, .8, .3, 1);
}
@keyframes slideIn { from { transform: translateX(24px); opacity: .4 } to { transform: none; opacity: 1 } }

.console-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px 12px;
}
.console-head h2 { font-size: 16px; font-weight: 600; margin: 0; }
.console-close {
  border: 0; background: transparent; cursor: pointer;
  font-size: 15px; color: var(--c-text-3); padding: 4px 6px; border-radius: 6px;
}
.console-close:hover { background: var(--c-bg-soft); color: var(--c-text); }

.console-tabs {
  display: flex;
  gap: 2px;
  padding: 0 12px;
  border-bottom: 1px solid var(--c-line);
  overflow-x: auto;
  scrollbar-width: none;
}
.console-tabs::-webkit-scrollbar { display: none; }
.ctab {
  border: 0; background: transparent; cursor: pointer;
  padding: 8px 10px 10px; font-size: 13px; color: var(--c-text-2);
  border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.ctab:hover { color: var(--c-text); }
.ctab.is-active { color: var(--c-accent); border-bottom-color: var(--c-accent); font-weight: 500; }

.console-body { flex: 1; overflow: auto; padding: 16px 18px 28px; }

.cpane { display: none; }
.cpane.is-active { display: block; animation: fade .16s ease; }

.pane-lead { font-size: 12.5px; color: var(--c-text-3); line-height: 1.7; margin: 0 0 14px; }

.field { margin-bottom: 20px; }
.field-label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--c-text-2);
  margin-bottom: 8px;
  letter-spacing: .2px;
}
.field-hint { font-weight: 400; color: var(--c-text-3); float: right; font-variant-numeric: tabular-nums; }

.tip {
  font-size: 12px;
  line-height: 1.7;
  color: var(--c-text-3);
  margin: 8px 0 0;
}
.tip code, .pane-lead code {
  font-family: var(--font-mono);
  font-size: 11.5px;
  background: var(--c-bg-soft);
  border: 1px solid var(--c-line);
  border-radius: 4px;
  padding: 1px 4px;
}

.book-meta {
  border: 1px solid var(--c-line);
  border-radius: var(--radius-m);
  padding: 12px 14px;
  background: var(--c-bg-soft);
}
.book-title { font-size: 14px; font-weight: 600; margin-bottom: 4px; }
.book-sub { font-size: 12px; color: var(--c-text-3); }

.dropzone {
  border: 1.5px dashed #ccd2da;
  border-radius: var(--radius-m);
  padding: 18px 14px;
  text-align: center;
  cursor: pointer;
  transition: border-color .15s, background .15s;
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.dropzone:hover, .dropzone.is-over { border-color: var(--c-accent); background: var(--c-accent-weak); }
.dz-main { font-size: 13px; color: var(--c-text); }
.dz-sub { font-size: 11.5px; color: var(--c-text-3); }

.progress {
  height: 6px;
  border-radius: 3px;
  background: #e9ecf1;
  overflow: hidden;
}
.progress i { display: block; height: 100%; background: var(--c-accent); transition: width .3s; }

.chapter-list {
  max-height: 210px;
  overflow: auto;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-m);
}
.chapter-item {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  font-size: 13px;
  cursor: pointer;
  border-bottom: 1px solid #f1f3f6;
}
.chapter-item:last-child { border-bottom: 0; }
.chapter-item:hover { background: var(--c-bg-soft); }
.chapter-item.is-active { background: var(--c-accent-weak); color: var(--c-accent); font-weight: 500; }
.chapter-item .ci-idx { font-size: 11px; color: var(--c-text-3); font-variant-numeric: tabular-nums; flex: 0 0 26px; }
.chapter-item .ci-title { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* 皮肤卡片 */
.skin-grid { display: grid; gap: 10px; }
.skin-card {
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-m);
  padding: 11px 12px;
  cursor: pointer;
  transition: border-color .15s, background .15s;
}
.skin-card:hover { border-color: #c9ced6; background: #fcfcfd; }
.skin-card.is-active { border-color: var(--c-accent); background: var(--c-accent-weak); }
.skin-card.is-locked { opacity: .5; cursor: not-allowed; }
.skin-badge {
  width: 34px; height: 34px; border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; font-weight: 700; color: #fff; flex: 0 0 auto;
}
.skin-info { flex: 1; min-width: 0; }
.skin-name { font-size: 13.5px; font-weight: 600; display: flex; align-items: center; gap: 6px; }
.skin-desc { font-size: 11.5px; color: var(--c-text-3); margin-top: 2px; line-height: 1.5; }
.skin-tag {
  font-size: 10px; font-weight: 500; padding: 1px 5px; border-radius: 4px;
  background: #eef0f4; color: var(--c-text-3);
}
.skin-tag.is-live { background: rgba(45, 167, 105, .12); color: #2da769; }

/* 分段控件（外观里的 macOS / Windows 切换） */
.seg {
  display: flex;
  gap: 3px;
  padding: 3px;
  background: #f1f3f6;
  border-radius: 9px;
}
.seg-item {
  flex: 1;
  border: 0;
  background: transparent;
  border-radius: 7px;
  padding: 8px 10px;
  font-size: 13px;
  color: var(--c-text-2);
  cursor: pointer;
  transition: background .15s, color .15s;
}
.seg-item:hover { color: var(--c-text); }
.seg-item.is-active {
  background: #fff;
  color: var(--c-text);
  font-weight: 600;
  box-shadow: var(--shadow-1);
}

/* 对话模板清单 */
.tpl-list {
  max-height: 300px;
  overflow: auto;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-m);
  margin-top: 8px;
}
.tpl-group-head {
  position: sticky;
  top: 0;
  z-index: 1;
  background: #f7f8fa;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--c-text-2);
  padding: 7px 12px;
  border-bottom: 1px solid var(--c-line);
}
.tpl-item {
  display: flex;
  gap: 8px;
  align-items: baseline;
  padding: 8px 12px;
  font-size: 12.5px;
  cursor: pointer;
  border-bottom: 1px solid #f1f3f6;
}
.tpl-item:last-child { border-bottom: 0; }
.tpl-item:hover { background: var(--c-bg-soft); }
.tpl-idx { flex: 0 0 18px; font-size: 11px; color: var(--c-text-3); font-variant-numeric: tabular-nums; }
.tpl-q { flex: 1; line-height: 1.5; }
.skin-radio {
  width: 16px; height: 16px; border-radius: 50%; border: 1.5px solid #ccd2da; flex: 0 0 auto;
}
.skin-card.is-active .skin-radio { border-color: var(--c-accent); box-shadow: inset 0 0 0 4px var(--c-accent); }

/* ---------------- 模型服务列表（模型面板） ---------------- */
.svc-list { display: grid; gap: 8px; }
.svc-item {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-m);
  padding: 10px 12px;
  cursor: pointer;
  transition: border-color .15s, background .15s;
}
.svc-item:hover { border-color: #c9ced6; background: #fcfcfd; }
.svc-item.is-active { border-color: var(--c-accent); background: var(--c-accent-weak); }
.svc-item.is-editing { box-shadow: inset 0 0 0 1px var(--c-accent); }
.svc-dot {
  width: 8px; height: 8px; border-radius: 50%; flex: 0 0 auto;
  background: #ccd2da;
}
.svc-item.is-active .svc-dot { background: #2da769; }
.svc-info { flex: 1; min-width: 0; }
.svc-name { font-size: 13.5px; font-weight: 600; display: flex; align-items: center; gap: 6px; }
.svc-desc {
  font-size: 11.5px; color: var(--c-text-3); margin-top: 2px; line-height: 1.5;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.svc-empty {
  border: 1px dashed var(--c-line);
  border-radius: var(--radius-m);
  padding: 14px 12px;
  font-size: 12.5px;
  color: var(--c-text-3);
  line-height: 1.6;
}

/* 剧本编辑器里的问答正文框 */
.se-pairs {
  margin-top: 10px;
  min-height: 150px;
  resize: vertical;
  line-height: 1.65;
  font-family: var(--font-mono);
  font-size: 12px;
  white-space: pre;
  overflow: auto;
}

/* 控制台里的主按钮，和 .btn-ghost 成对出现 */
.btn-primary { background: var(--c-accent); color: #fff; }
.btn-primary:hover { background: #3f5ce6; }
.btn:disabled, .btn-primary:disabled {
  opacity: .42;
  cursor: not-allowed;
}

/* 快捷键表 */
.keys { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.keys td { padding: 7px 0; border-bottom: 1px solid #f1f3f6; vertical-align: top; color: var(--c-text-2); }
.keys td:first-child { width: 132px; white-space: nowrap; }
kbd {
  font-family: var(--font-ui);
  font-size: 11px;
  background: #fff;
  border: 1px solid #d8dce2;
  border-bottom-width: 2px;
  border-radius: 5px;
  padding: 1px 5px;
  color: var(--c-text);
  margin-right: 2px;
}

/* ---------------- Toast / 拖放蒙层 ---------------- */
.toast-wrap {
  position: fixed;
  bottom: 20px;
  left: 20px;
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-start;
  pointer-events: none;
}
.toast {
  background: rgba(24, 28, 36, .92);
  color: #fff;
  font-size: 13px;
  padding: 9px 16px;
  border-radius: 999px;
  box-shadow: var(--shadow-2);
  animation: toastIn .2s ease;
  max-width: 76vw;
}
.toast.is-out { animation: toastOut .25s ease forwards; }
@keyframes toastIn { from { opacity: 0; transform: translateY(8px) } to { opacity: 1; transform: none } }
@keyframes toastOut { to { opacity: 0; transform: translateY(6px) } }

.global-drop {
  position: fixed;
  inset: 0;
  z-index: var(--z-toast);
  background: rgba(77, 107, 254, .1);
  backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}
.global-drop div {
  background: #fff;
  border: 1.5px dashed var(--c-accent);
  color: var(--c-accent);
  padding: 24px 40px;
  border-radius: var(--radius-l);
  font-size: 15px;
  font-weight: 600;
  box-shadow: var(--shadow-2);
}