:root {
  --sidebar-width: 248px;
  --sidebar-collapsed-width: 64px;
  --topbar-height: 60px;

  --color-bg: #f7f5fb;
  --color-surface: #ffffff;
  --color-border: #e6e1ef;
  --color-text: #1f1a2e;
  --color-muted: #6b6480;
  --color-primary: #7c3aed;
  --color-primary-hover: #6d28d9;
  --color-primary-soft: #f1eafe;
  --color-danger: #dc2626;
  --color-success: #16a34a;

  --sidebar-bg: #1e1b2e;
  --sidebar-text: #c9c3dc;
  --sidebar-text-active: #ffffff;
  --sidebar-hover: #2c2842;
  --sidebar-active: #7c3aed;

  --font-serif: Georgia, "Times New Roman", serif;
  --radius: 8px;
  --transition: 0.2s ease;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 14px;
  color: var(--color-text);
  background: var(--color-bg);
}

h1, h2, h3 { margin: 0; }
a { color: var(--color-primary); }

/* ---------- Login ---------- */

.login-view {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: linear-gradient(135deg, #4c1d95, #1e1b4b);
}

.login-card {
  width: 100%;
  max-width: 360px;
  padding: 32px 28px;
  background: var(--color-surface);
  border-radius: 12px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.login-brand { display: flex; align-items: center; gap: 10px; }
.login-brand h1 { font-size: 22px; font-family: var(--font-serif); }
.login-subtitle { margin: 0 0 8px; color: var(--color-muted); }
.provider-button { display: flex; justify-content: center; min-height: 44px; }

.login-error {
  margin: 4px 0 0;
  color: var(--color-danger);
  text-align: center;
}

.microsoft-signin-button {
  width: 280px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 1px solid #8c8c8c;
  border-radius: 4px;
  background: #fff;
  color: #5e5e5e;
  font: 500 14px "Segoe UI", system-ui, sans-serif;
  cursor: pointer;
}
.microsoft-signin-button:hover { background: #f5f5f5; }
.microsoft-signin-button:disabled { opacity: 0.6; cursor: wait; }

.brand-logo {
  flex: none;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: #fff;
  font: 700 16px var(--font-serif);
}

/* ---------- Layout ---------- */

.app { display: flex; min-height: 100vh; }

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 30;
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  display: flex;
  flex-direction: column;
  transition: width var(--transition), transform var(--transition);
}

.sidebar-header {
  height: var(--topbar-height);
  flex: none;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
  white-space: nowrap;
  text-decoration: none;
}
.brand-name { color: #fff; font: 600 17px var(--font-serif); }

.main {
  flex: 1;
  min-width: 0;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  transition: margin-left var(--transition);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  height: var(--topbar-height);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.topbar-user { display: flex; align-items: center; gap: 10px; margin-left: auto; min-width: 0; }
.user-info { display: flex; flex-direction: column; align-items: flex-end; gap: 2px; min-width: 0; }
.user-name { font-weight: 600; max-width: 180px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.avatar {
  flex: none;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-weight: 700;
}

.breadcrumb {
  display: flex;
  gap: 6px;
  padding: 16px 24px 0;
  color: var(--color-muted);
  font-size: 13px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.breadcrumb strong { color: var(--color-text); font-weight: 600; }
.breadcrumb-sep { color: #c4bdd4; }

.content { flex: 1; padding: 16px 24px 24px; }

/* ---------- Ô tìm kiếm trên header ---------- */

.search-box {
  flex: 1;
  max-width: 560px;
  height: 38px;
  display: flex;
  align-items: stretch;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-bg);
  overflow: hidden;
}
.search-box:focus-within { border-color: var(--color-primary); background: #fff; box-shadow: 0 0 0 3px var(--color-primary-soft); }

.search-scope {
  flex: none;
  padding: 0 8px 0 14px;
  border: 0;
  border-right: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-muted);
  font: inherit;
  cursor: pointer;
}
.search-input {
  flex: 1;
  min-width: 0;
  padding: 0 12px;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
}
.search-scope:focus, .search-input:focus { outline: none; }
.search-submit {
  flex: none;
  width: 42px;
  border: 0;
  background: transparent;
  color: var(--color-muted);
  cursor: pointer;
}
.search-submit:hover { color: var(--color-primary); }

/* ---------- Menu ---------- */

.menu { flex: 1; padding: 12px 8px; overflow-y: auto; overflow-x: hidden; }

.menu-group + .menu-group { margin-top: 8px; }

.menu-group-header {
  width: 100%;
  height: 40px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 12px;
  border: 0;
  border-radius: var(--radius);
  background: transparent;
  color: inherit;
  font: inherit;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  white-space: nowrap;
}
.menu-group-header:hover { background: var(--sidebar-hover); color: var(--sidebar-text-active); }
.menu-group.active > .menu-group-header { color: var(--sidebar-text-active); }

.menu-icon { flex: none; display: inline-flex; }
.menu-label { flex: 1; overflow: hidden; text-overflow: ellipsis; }
.menu-chevron { flex: none; transition: transform var(--transition); }
.menu-group.open .menu-chevron { transform: rotate(90deg); }

.submenu { display: none; padding: 4px 0 4px 32px; }
.menu-group.open .submenu { display: block; }
.submenu-title { display: none; }
.menu-empty { padding: 8px 12px; color: #8a83a3; font-style: italic; white-space: nowrap; }

.menu-item {
  display: block;
  padding: 8px 12px;
  margin: 2px 0;
  border-radius: var(--radius);
  color: var(--sidebar-text);
  text-decoration: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.menu-item:hover { background: var(--sidebar-hover); color: var(--sidebar-text-active); }
.menu-item.active { background: var(--sidebar-active); color: var(--sidebar-text-active); }

/* Sidebar thu gọn (desktop): chỉ còn icon cấp 1, hover hiện flyout menu cấp 2 */
.sidebar-collapsed .sidebar { width: var(--sidebar-collapsed-width); }
.sidebar-collapsed .main { margin-left: var(--sidebar-collapsed-width); }
.sidebar-collapsed .brand-name,
.sidebar-collapsed .menu-label,
.sidebar-collapsed .menu-chevron { display: none; }
.sidebar-collapsed .menu { overflow: visible; }
.sidebar-collapsed .menu-group { position: relative; }
.sidebar-collapsed .menu-group-header { justify-content: center; padding: 0; }
.sidebar-collapsed .menu-group.active > .menu-group-header { background: var(--sidebar-hover); }
.sidebar-collapsed .menu-group .submenu,
.sidebar-collapsed .menu-group.open .submenu { display: none; }
.sidebar-collapsed .menu-group:hover .submenu {
  display: block;
  position: absolute;
  top: 0;
  left: 100%;
  min-width: 200px;
  max-width: 280px;
  margin-left: 8px;
  padding: 6px;
  background: var(--sidebar-bg);
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}
/* Cầu nối vô hình giữa icon và flyout để rê chuột qua khoảng trống không bị mất hover */
.sidebar-collapsed .menu-group:hover .submenu::before {
  content: "";
  position: absolute;
  inset: 0 100% 0 -8px;
}
.sidebar-collapsed .submenu-title {
  display: block;
  padding: 6px 12px;
  color: #fff;
  font-weight: 600;
}

.sidebar-backdrop { display: none; }

/* Mobile: sidebar dạng off-canvas */
@media (max-width: 768px) {
  .sidebar,
  .sidebar-collapsed .sidebar { width: var(--sidebar-width); transform: translateX(-100%); }
  .main,
  .sidebar-collapsed .main { margin-left: 0; }

  .sidebar-collapsed .brand-name,
  .sidebar-collapsed .menu-label,
  .sidebar-collapsed .menu-chevron { display: initial; }
  .sidebar-collapsed .menu-group-header { justify-content: flex-start; padding: 0 12px; }
  .sidebar-collapsed .menu-group.open .submenu { display: block; position: static; box-shadow: none; padding: 4px 0 4px 32px; margin: 0; }
  .sidebar-collapsed .submenu-title { display: none; }

  .sidebar-open .sidebar { transform: translateX(0); }
  .sidebar-open .sidebar-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 25;
    background: rgba(0, 0, 0, 0.4);
  }

  .topbar { gap: 8px; padding: 0 12px; }
  .search-scope { display: none; }
  .user-info, #logout-button { display: none; }
  .breadcrumb { padding: 12px 16px 0; }
  .content { padding: 12px 16px 16px; }
}

/* ---------- Components ---------- */

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}
.page-header h2 { font: 600 22px var(--font-serif); }
.page-subtitle { margin: 4px 0 0; }

.section-header { display: flex; align-items: center; justify-content: space-between; margin: 24px 0 12px; }
.section-header h3 { font: 600 18px var(--font-serif); }

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 16px;
}

.empty-state { padding: 48px 16px; text-align: center; color: var(--color-muted); }

.toolbar { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.toolbar .input { max-width: 320px; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 36px;
  padding: 0 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  color: var(--color-text);
  font: inherit;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
}
.button:hover { background: #f3f0f8; }
.button-primary { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.button-primary:hover { background: var(--color-primary-hover); }
.button-danger { color: var(--color-danger); }
.button-danger:hover { background: #fef2f2; }
.button-ghost { border-color: transparent; background: transparent; }
.button-small { height: 28px; padding: 0 10px; font-size: 13px; }

.icon-button {
  width: 36px;
  height: 36px;
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: var(--radius);
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
}
.icon-button:hover { background: #f3f0f8; }

.input {
  width: 100%;
  height: 36px;
  padding: 0 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: #fff;
  color: inherit;
  font: inherit;
}
.input:focus { outline: 2px solid var(--color-primary-soft); border-color: var(--color-primary); }
.input:disabled { background: #f3f0f8; color: var(--color-muted); }
.textarea { height: auto; min-height: 80px; padding: 8px 10px; resize: vertical; }

.field { display: flex; flex-direction: column; gap: 6px; }
.field > span { font-weight: 500; }
.field-hint { color: var(--color-muted); font-size: 12px; }
.required { color: var(--color-danger); font-style: normal; }

.table-wrapper { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; }
.table th,
.table td { padding: 10px 12px; border-bottom: 1px solid var(--color-border); text-align: left; white-space: nowrap; }
.table th { color: var(--color-muted); font-weight: 600; font-size: 13px; background: #faf8fd; }
.table tbody tr:hover { background: #faf8fd; }
.table td.cell-wrap { white-space: normal; min-width: 200px; max-width: 420px; }
.col-actions { text-align: right !important; width: 1%; }
.col-actions .button + .button { margin-left: 4px; }
.col-number { text-align: right !important; width: 1%; font-variant-numeric: tabular-nums; }
.empty-row { text-align: center !important; color: var(--color-muted); padding: 32px !important; }

.role-badge {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  background: var(--color-primary-soft);
  color: var(--color-primary);
}
.role-badge[data-role="super_admin"] { background: #fee2e2; color: #b91c1c; }
.role-badge[data-role="user"] { background: #dcfce7; color: #166534; }

.text-muted { color: var(--color-muted); }
.text-error { color: var(--color-danger); margin: 0; }

.dialog {
  width: min(460px, calc(100vw - 32px));
  max-height: calc(100vh - 32px);
  padding: 0;
  border: 0;
  border-radius: 12px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
  overflow-y: auto;
}
.dialog::backdrop { background: rgba(0, 0, 0, 0.4); }
.dialog-form { display: flex; flex-direction: column; gap: 14px; padding: 20px; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 4px; }

.toast-container {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.toast {
  padding: 10px 14px;
  border-radius: var(--radius);
  color: #fff;
  background: var(--color-success);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}
.toast-error { background: var(--color-danger); }

/* ---------- Trang chủ ---------- */

.welcome { padding: 24px; }
.welcome h2 { font: 600 24px var(--font-serif); }
.welcome > p { margin: 6px 0 20px; }

.profile {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 10px 24px;
  margin: 0;
}
.profile dt { color: var(--color-muted); }
.profile dd { margin: 0; word-break: break-all; }

.category-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }
.category-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius);
  color: inherit;
  text-decoration: none;
  transition: box-shadow var(--transition), transform var(--transition);
}
.category-card:hover { box-shadow: 0 6px 20px rgba(76, 29, 149, 0.12); transform: translateY(-1px); }
.category-card strong { font: 600 16px var(--font-serif); }
.category-card span { font-size: 13px; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }

@media (max-width: 600px) {
  .profile { grid-template-columns: 1fr; gap: 2px; }
  .profile dd { margin-bottom: 10px; }
}

/* ---------- Phân trang ---------- */

.table-pager { display: flex; align-items: center; justify-content: flex-end; gap: 12px; flex-wrap: wrap; margin-top: 12px; }
.pager-summary { margin-right: auto; font-size: 13px; font-variant-numeric: tabular-nums; }
.page-size { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; }
.input-small { width: auto; height: 28px; padding: 0 6px; font-size: 13px; }
.pagination { display: inline-flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.page-button { min-width: 30px; padding: 0 8px; }
.page-button.active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.page-button:disabled { opacity: 0.45; cursor: default; }
.page-gap { padding: 0 4px; color: var(--color-muted); }

/* ---------- Quản lý truyện ---------- */

.story-table .col-title { width: 40%; max-width: 0; } /* max-width: 0 để ô co lại theo bảng → ellipsis hoạt động */
.title-cell { display: flex; align-items: center; gap: 8px; min-width: 0; }
.cell-ellipsis {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
}
.cell-ellipsis:hover { color: var(--color-primary); text-decoration: underline; }
.row-hidden td { color: var(--color-muted); }
.row-hidden .cell-ellipsis { color: var(--color-muted); }

.tag {
  display: inline-block;
  margin: 2px 4px 2px 0;
  padding: 1px 8px;
  border-radius: 999px;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-size: 12px;
}

.status-badge { display: inline-block; flex: none; padding: 1px 8px; border-radius: 999px; font-size: 11px; font-weight: 600; }
.status-badge[data-status="hidden"] { background: #f3f4f6; color: #6b7280; }

.back-link { display: inline-block; margin-bottom: 6px; color: var(--color-muted); text-decoration: none; font-size: 13px; }
.back-link:hover { color: var(--color-primary); }

.story-form { display: flex; flex-direction: column; gap: 16px; padding: 20px; }
.field-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; align-items: start; }
.field-label-row { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; font-weight: 500; }

.form-actions {
  position: sticky;
  bottom: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin: 0 -20px -20px;
  padding: 12px 20px;
  border-top: 1px solid var(--color-border);
  border-radius: 0 0 12px 12px;
  background: var(--color-surface);
}
.form-actions-spacer { flex: 1; }
.button:disabled { opacity: 0.55; cursor: not-allowed; }

/* Công tắc hiển thị / ẩn */
.switch { display: inline-flex; align-items: center; gap: 8px; margin-right: 8px; font-weight: 500; cursor: pointer; user-select: none; }
.switch input { position: absolute; opacity: 0; pointer-events: none; }
.switch-track { position: relative; width: 38px; height: 22px; border-radius: 999px; background: #d4cfe0; transition: background var(--transition); }
.switch-track::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
  transition: transform var(--transition);
}
.switch input:checked + .switch-track { background: var(--color-primary); }
.switch input:checked + .switch-track::after { transform: translateX(16px); }
.switch input:focus-visible + .switch-track { outline: 2px solid var(--color-primary); outline-offset: 2px; }

/* Ô nhập tag */
.tag-input {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
  min-height: 36px;
  padding: 3px 6px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: #fff;
  cursor: text;
}
.tag-input:focus-within { outline: 2px solid var(--color-primary-soft); border-color: var(--color-primary); }
.tag-chips { display: contents; }
.tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 2px 4px 2px 10px;
  border-radius: 999px;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-size: 13px;
}
.tag-chip-remove { width: 18px; height: 18px; padding: 0; border: 0; border-radius: 50%; background: transparent; color: inherit; font-size: 15px; line-height: 1; cursor: pointer; }
.tag-chip-remove:hover { background: rgba(124, 58, 237, 0.15); }
.tag-input-field { flex: 1; min-width: 120px; height: 28px; border: 0; outline: none; background: transparent; font: inherit; color: inherit; }

/* Rich text */
.rich-text { overflow-wrap: anywhere; line-height: 1.7; }
.rich-text > :first-child { margin-top: 0; }
.rich-text > :last-child { margin-bottom: 0; }
.rich-text p, .rich-text ul, .rich-text ol, .rich-text blockquote, .rich-text pre { margin: 0 0 10px; }
.rich-text h3 { margin: 16px 0 8px; font: 600 20px var(--font-serif); }
.rich-text h4 { margin: 12px 0 6px; font: 600 16px var(--font-serif); }
.rich-text ul, .rich-text ol { padding-left: 22px; }
.rich-text blockquote { padding: 4px 12px; border-left: 3px solid var(--color-border); color: var(--color-muted); }
.rich-text a { color: var(--color-primary); }

.rte { border: 1px solid var(--color-border); border-radius: var(--radius); background: #fff; }
.rte:focus-within { outline: 2px solid var(--color-primary-soft); border-color: var(--color-primary); }
.rte-toolbar {
  position: sticky;
  top: var(--topbar-height);
  z-index: 5;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2px;
  padding: 4px;
  border-bottom: 1px solid var(--color-border);
  border-radius: var(--radius) var(--radius) 0 0;
  background: #faf8fd;
}
.rte-button { min-width: 30px; height: 28px; padding: 0 6px; border: 0; border-radius: 6px; background: transparent; color: var(--color-text); font: inherit; font-size: 13px; cursor: pointer; }
.rte-button:hover { background: #ebe5f5; }
.rte-separator { width: 1px; height: 18px; margin: 0 4px; background: var(--color-border); }
.rte-content { min-height: 140px; padding: 12px 14px; outline: none; }
.rte-content:empty::before { content: attr(data-placeholder); color: var(--color-muted); pointer-events: none; }
.story-editor .rte-content { min-height: 420px; font-size: 15px; }

/* ---------- Danh sách truyện (người đọc) ---------- */

.story-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.story-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: inherit;
  text-decoration: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.story-item:hover { border-color: var(--color-primary); box-shadow: 0 4px 16px rgba(76, 29, 149, 0.08); }
.story-item-title { font: 600 17px var(--font-serif); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.story-item:hover .story-item-title { color: var(--color-primary); }
.story-item-meta { display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: 13px; }
.story-item-tags { display: flex; flex-wrap: wrap; }

/* ---------- Đọc truyện ---------- */

.reader { max-width: 760px; margin: 0 auto; }
.reader-header { margin-bottom: 20px; }
.reader-title { margin: 4px 0 6px; font: 600 30px/1.3 var(--font-serif); }
.reader-meta { margin: 0 0 8px; font-size: 13px; }
.reader-tags .tag { text-decoration: none; }
.reader-tags .tag:hover { background: #e4d8fc; }

.reader-content {
  padding: 32px 40px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  font: 18px/1.85 var(--font-serif);
  color: #2a2338;
}
.reader-content p { margin: 0 0 1em; text-align: justify; }

.reader-pager { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 16px 0; }
.reader-page-select { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; }
.button.is-disabled { opacity: 0.45; pointer-events: none; }

@media (max-width: 600px) {
  .reader-title { font-size: 24px; }
  .reader-content { padding: 20px 18px; font-size: 17px; }
  .reader-content p { text-align: left; }
  .reader-pager .button { padding: 0 10px; }
}

/* ---------- Text-to-speech (quản trị) ---------- */

.alert { margin-bottom: 12px; padding: 10px 14px; border-radius: var(--radius); border: 1px solid; font-size: 13px; }
.alert-warning { background: #fffbeb; border-color: #fcd34d; color: #92400e; }
.alert-error { background: #fef2f2; border-color: #fca5a5; color: #b91c1c; }
.alert code { font-size: 12px; }

.tts-summary { display: flex; flex-direction: column; gap: 14px; margin-bottom: 16px; }
.tts-facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px 24px; margin: 0; }
.tts-facts dt { color: var(--color-muted); font-size: 12px; }
.tts-facts dd { margin: 2px 0 0; font-weight: 600; overflow-wrap: anywhere; }
.tts-progress { display: flex; flex-direction: column; gap: 6px; font-size: 13px; }
.progress-bar { height: 8px; border-radius: 999px; background: #ece8f3; overflow: hidden; }
.progress-bar span { display: block; height: 100%; background: var(--color-primary); transition: width 0.4s ease; }
.tts-actions { display: flex; flex-wrap: wrap; gap: 8px; }

.tts-table td.col-chunk-text { white-space: normal; min-width: 260px; max-width: 520px; }
.link-button { padding: 0; border: 0; background: none; color: inherit; font: inherit; text-align: left; cursor: pointer; }
.chunk-preview { color: var(--color-text); line-height: 1.5; }
.chunk-preview:hover { color: var(--color-primary); }
.chunk-text { max-height: 60vh; overflow-y: auto; white-space: pre-wrap; line-height: 1.7; padding: 12px; background: #faf8fd; border-radius: var(--radius); }

.tts-status { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; background: #f3f4f6; color: #6b7280; }
.tts-status[data-status="done"] { background: #dcfce7; color: #166534; }
.tts-status[data-status="queued"] { background: #e0e7ff; color: #3730a3; }
.tts-status[data-status="converting"] { background: var(--color-primary-soft); color: var(--color-primary); }
.tts-status[data-status="error"] { background: #fee2e2; color: #b91c1c; }
.tts-error { max-width: 220px; margin-top: 4px; font-size: 12px; white-space: normal; }
.icon-button:disabled { opacity: 0.4; cursor: not-allowed; }
.spinning svg { animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.dialog-wide { width: min(720px, calc(100vw - 32px)); }
.dialog-title-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.voice-list { display: flex; flex-direction: column; gap: 6px; max-height: 55vh; overflow-y: auto; }
.voice-item { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border: 1px solid var(--color-border); border-radius: var(--radius); }
.voice-item.selected { border-color: var(--color-primary); background: var(--color-primary-soft); }
.voice-info { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.voice-info .text-muted { font-size: 12px; }

/* ---------- Nghe truyện ---------- */

.story-list-row { position: relative; }
.story-item.has-audio { padding-right: 56px; }
.speaker-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 0;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font: inherit;
  font-weight: 500;
  cursor: pointer;
}
.speaker-button:hover { background: var(--color-primary); color: #fff; }
.story-item-speaker { position: absolute; top: 50%; right: 12px; width: 36px; height: 36px; border-radius: 50%; transform: translateY(-50%); z-index: 1; }
.speaker-button.button { border: 1px solid transparent; }
.reader-title-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

.audio-player {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 35;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 16px;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  box-shadow: 0 -6px 24px rgba(30, 27, 46, 0.12);
}
.player-info { display: flex; align-items: center; gap: 10px; min-width: 0; flex: 0 1 280px; }
.player-icon { font-size: 20px; }
.player-text { display: flex; flex-direction: column; min-width: 0; font-size: 12px; }
.player-title { font: 600 14px var(--font-serif); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.player-controls { flex: 1; display: flex; align-items: center; gap: 4px; min-width: 0; }
.player-controls audio { flex: 1; min-width: 0; height: 40px; }
.player-close { font-size: 22px; }
body.has-player .content { padding-bottom: 96px; }
body.has-player .toast-container { bottom: 84px; }

@media (min-width: 769px) {
  .app:not(.sidebar-collapsed) ~ .audio-player { left: var(--sidebar-width); }
  .app.sidebar-collapsed ~ .audio-player { left: var(--sidebar-collapsed-width); }
}
@media (max-width: 600px) {
  .audio-player { flex-wrap: wrap; gap: 4px 8px; padding: 6px 10px; }
  .player-info { flex: 1 1 auto; order: 1; }
  .player-close { order: 2; }
  .player-controls { flex: 1 1 100%; order: 3; }
  body.has-player .content { padding-bottom: 130px; }
}

/* ---------- Nhật ký convert TTS ---------- */

.tts-log-card { margin-top: 16px; }
.tts-log-header { margin: 0 0 12px; flex-wrap: wrap; gap: 8px; }
.tts-log-tools { display: flex; align-items: center; gap: 8px; }
.tts-log { list-style: none; margin: 0; padding: 0; max-height: 420px; overflow-y: auto; border: 1px solid var(--color-border); border-radius: var(--radius); }
.tts-log-empty { padding: 16px; text-align: center; }
.tts-log-item {
  display: grid;
  grid-template-columns: max-content max-content 1fr;
  align-items: baseline;
  gap: 4px 12px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--color-border);
  border-left: 3px solid transparent;
  font-size: 13px;
}
.tts-log-item:last-child { border-bottom: 0; }
.tts-log-item time { color: var(--color-muted); font-variant-numeric: tabular-nums; white-space: nowrap; }
.tts-log-level { padding: 0 8px; border-radius: 999px; font-size: 11px; font-weight: 600; background: #f3f4f6; color: #6b7280; }
.tts-log-item[data-level="warning"] { border-left-color: #f59e0b; background: #fffdf5; }
.tts-log-item[data-level="warning"] .tts-log-level { background: #fef3c7; color: #92400e; }
.tts-log-item[data-level="error"] { border-left-color: var(--color-danger); background: #fffafa; }
.tts-log-item[data-level="error"] .tts-log-level { background: #fee2e2; color: #b91c1c; }
.tts-log-body { min-width: 0; overflow-wrap: anywhere; }
.tts-log-detail { margin-top: 2px; color: var(--color-muted); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 12px; }
.audio-size { white-space: nowrap; }

@media (max-width: 600px) {
  .tts-log-item { grid-template-columns: max-content 1fr; }
  .tts-log-body { grid-column: 1 / -1; }
}