:root {
  --bg: #f8f9fa;
  --card-bg: #ffffff;
  --text: #212529;
  --text-secondary: #6c757d;
  --border: #dee2e6;
  --accent: #0d6efd;
  --accent-hover: #0b5ed7;
  --danger: #dc3545;
  --danger-hover: #bb2d3b;
  --success: #198754;
  --shadow: rgba(0,0,0,0.05);
}

.dark-mode {
  --bg: #0f0f0f;
  --card-bg: #1a1a1a;
  --text: #e0e0e0;
  --text-secondary: #888888;
  --border: #333333;
  --accent: #4dabf7;
  --accent-hover: #339af0;
  --danger: #ff6b6b;
  --danger-hover: #fa5252;
  --success: #51cf66;
  --shadow: rgba(0,0,0,0.3);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  line-height: 1.6;
  transition: background 0.2s, color 0.2s;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.site-header {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -1px;
  position: relative;
  cursor: pointer;
}

.logo-tip {
  position: fixed;
  transform: translateX(-50%) translateY(2px);
  background: var(--text);
  color: var(--bg);
  font-size: 0.75rem;
  font-weight: 400;
  padding: 4px 10px;
  border-radius: 6px;
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.3s, transform 0.3s;
  pointer-events: none;
  z-index: 300;
}

.logo-tip.show {
  opacity: 1;
  transform: translateX(-50%) translateY(6px);
}

.main-nav {
  display: flex;
  gap: 16px;
}

.main-nav a {
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding: 4px 0;
}

.main-nav a:hover {
  color: var(--text);
  text-decoration: none;
}

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

.header-actions button {
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 10px;
  cursor: pointer;
  font-size: 1rem;
  color: var(--text-secondary);
  transition: all 0.2s;
}

.header-actions button:hover {
  background: var(--bg);
  color: var(--text);
}

/* View Toggle */
.view-toggle {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 10px;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: all 0.2s;
}

.view-toggle:hover {
  background: var(--bg);
  color: var(--text);
}

.view-toggle-icon {
  font-size: 1rem;
}

.view-toggle-label {
  white-space: nowrap;
}

.page-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-header-row h1 {
  margin: 0;
  font-size: 1.5rem;
}

/* Guest mode: hide private posts and replies */
body.guest-mode .post:has(.post-private-icon) {
  display: none !important;
}

body.guest-mode .replies {
  display: none !important;
}

/* Main */
main.container {
  padding-top: 24px;
  padding-bottom: 80px;
}

.page-header {
  margin-bottom: 24px;
}

.page-header h1 {
  margin: 0;
  font-size: 1.5rem;
}

.subtitle {
  margin: 4px 0 0;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* Posts */
.post-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.post {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 1px 3px var(--shadow);
  transition: transform 0.1s;
}

.post:hover {
  transform: translateY(-1px);
}

.post-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  font-size: 0.875rem;
  min-height: 24px;
}

.post-header-left {
  display: flex;
  align-items: center;
  gap: 6px;
}

.post-time {
  color: var(--text-secondary);
}

.post-menu {
  position: relative;
}


.pin-badge {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 4px;
  background: var(--accent);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
}

.tag-badge {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 4px;
  background: var(--text-secondary);
  color: #fff;
  font-size: 0.75rem;
}

.post-private-icon {
  font-size: 0.75rem;
  opacity: 0.6;
}

.menu-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 1.1rem;
  padding: 2px 6px;
  line-height: 1;
  border-radius: 4px;
}

.menu-btn:hover {
  background: var(--bg);
  color: var(--text);
}

.menu-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 4px 12px var(--shadow);
  min-width: 100px;
  z-index: 10;
  overflow: hidden;
}

.menu-item {
  display: block;
  width: 100%;
  padding: 8px 12px;
  background: none;
  border: none;
  text-align: left;
  color: var(--text);
  font-size: 0.875rem;
  cursor: pointer;
}

.menu-item:hover {
  background: var(--bg);
}

.menu-item.menu-report:hover {
  color: var(--danger);
}

.post-author {
  font-weight: normal;
  color: var(--text);
  text-decoration: underline;
  font-family: "Segoe UI";
}

.post-body {
  font-size: 1rem;
  word-break: break-word;
  line-height: 1.6;
}

.verb {
  color: var(--accent);
  font-weight: 600;
}

.suffix-question {
  color: var(--accent);
  font-weight: 500;
}

/* Replies (self-only) */
.replies {
  margin-top: 12px;
  padding-left: 12px;
  border-left: 2px solid var(--border);
}

.reply {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 6px 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.reply-content {
  word-break: break-word;
  flex: 1;
}

.reply-time {
  font-size: 0.75rem;
  color: var(--text-secondary);
  white-space: nowrap;
  margin-left: 8px;
}

.reply-delete {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 0.8rem;
  padding: 2px 6px;
  border-radius: 4px;
  opacity: 0;
  transition: opacity 0.15s;
}

.reply:hover .reply-delete {
  opacity: 1;
}

.reply-delete:hover {
  color: var(--danger);
  background: rgba(220, 53, 69, 0.1);
}

.reply-hidden {
  display: none;
}

.reply-expand {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  font-size: 0.85rem;
  padding: 6px 0;
  text-align: left;
}

.reply-expand:hover {
  text-decoration: underline;
}

.replies.expanded .reply-hidden {
  display: flex;
}

.replies.expanded .reply-expand {
  display: none;
}

/* Empty */
.empty {
  text-align: center;
  padding: 48px 0;
  color: var(--text-secondary);
}

/* Form */
.post-form {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
  font-size: 0.9rem;
}

.form-group select,
.form-group textarea,
.form-group input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font-size: 1rem;
  font-family: inherit;
}

.form-group select:focus,
.form-group textarea:focus,
.form-group input:focus {
  outline: none;
  border-color: var(--accent);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 10px 20px;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-primary:hover {
  background: var(--accent-hover);
}

.form-tip {
  margin-top: 8px;
  font-size: 0.875rem;
  color: var(--danger);
}

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 20px;
}

.modal-content {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  width: 100%;
  max-width: 400px;
  overflow: hidden;
  flex-shrink: 0;
}

.modal-content .cookie-token {
  display: block;
  word-break: break-all;
  font-size: 0.85rem;
  position: relative;
  color: var(--accent);
  background: rgba(127, 127, 127, 0.2);
  padding: 6px 8px;
  border-radius: 4px;
  user-select: all;
  cursor: pointer;
  margin-top: 4px;
}

.modal-content h3 {
  margin-top: 0;
}

.modal-content input,
.modal-content select {
  width: 100%;
  padding: 10px 12px;
  margin: 8px 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font-size: 1rem;
}

.modal-actions {
  display: flex;
  gap: 8px;
  margin-top: 16px;
}

.modal-actions button {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  cursor: pointer;
  font-size: 0.9rem;
}

.modal-actions button:first-child {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* Admin */
.admin-section {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 20px;
}

.admin-section h2 {
  margin-top: 0;
  font-size: 1.125rem;
}

.verb-form {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.verb-form input {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  font-size: 1rem;
}

.admin-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.admin-list li,
.report-item {
  padding: 12px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.admin-list li:last-child,
.report-item:last-child {
  border-bottom: none;
}

.report-item {
  flex-direction: column;
  align-items: flex-start;
}

.report-item p {
  margin: 4px 0;
}

.quick-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--card-bg);
  border-top: 1px solid var(--border);
  padding: 10px 0;
  z-index: 90;
  box-shadow: 0 -2px 8px var(--shadow);
}

.quick-bar-inner {
  display: flex;
  align-items: center;
  gap: 8px;
}

.quick-label {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text);
  white-space: nowrap;
}

.quick-select {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font-size: 0.9rem;
  cursor: pointer;
  flex-shrink: 0;
}

.quick-input {
  flex: 1;
  min-width: 0;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font-size: 0.95rem;
  font-family: inherit;
}

.quick-input:focus {
  outline: none;
  border-color: var(--accent);
}

.verb-drag {
  display: inline-block;
  margin-right: 8px;
  color: var(--text-secondary);
  cursor: grab;
  font-size: 1rem;
  line-height: 1;
  opacity: 0.5;
  user-select: none;
  vertical-align: middle;
  transition: opacity 0.15s;
}

.verb-drag:hover {
  opacity: 1;
  color: var(--accent);
}

/* 拖拽中的样式 */
.admin-list li[draggable="true"] {
  cursor: default;
}

.admin-list li.dragging {
  opacity: 0.4;
  background: var(--bg);
}

.admin-list li.drag-over {
  border-top: 2px solid var(--accent);
}

.settings-row {
  padding: 8px 0;
}

.settings-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 0.95rem;
}

.settings-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.admin-actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.btn-danger {
  background: var(--danger);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 6px 14px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: background 0.15s;
}

.btn-danger:hover {
  background: var(--danger-hover);
}

.quick-suffix {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.95rem;
  white-space: nowrap;
  flex-shrink: 0;
}

.quick-tag-btn {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  transition: all 0.15s;
}

.quick-tag-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.quick-tag-btn.has-tag {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(13, 110, 253, 0.05);
}

.quick-btn {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 8px 18px;
  font-size: 0.95rem;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  transition: background 0.2s, transform 0.1s;
  user-select: none;
  -webkit-user-select: none;
}

.quick-btn.private-mode {
  background: #e67e22;
  transform: scale(1.05);
}

.quick-btn.private-mode:hover {
  background: #d35400;
}

.quick-btn:hover {
  background: var(--accent-hover);
}

/* Responsive */
@media (max-width: 600px) {
  .container {
    padding: 0 16px;
  }

  .header-inner {
    height: 52px;
  }

  .main-nav {
    gap: 12px;
  }

  .main-nav a {
    font-size: 0.85rem;
  }

  .post {
    padding: 14px;
  }

  .post-header {
    flex-wrap: wrap;
    gap: 4px;
  }

  .quick-bar-inner {
    gap: 6px;
  }

  .quick-label {
    display: none;
  }

  .quick-select {
    padding: 8px 6px;
    font-size: 0.85rem;
  }

  .quick-input {
    padding: 8px 10px;
    font-size: 0.9rem;
  }

  .quick-btn {
    padding: 8px 14px;
    font-size: 0.9rem;
  }

  .quick-tag-btn {
    padding: 6px 8px;
    font-size: 0.8rem;
  }
}

/* Tag Filter */
.tag-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}

.tag-filter-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.tag-filter-item {
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--bg);
  color: var(--text);
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.15s;
}

.tag-filter-item:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.tag-filter-item.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.tag-count {
  font-size: 0.7rem;
  margin-left: 4px;
  opacity: 0.7;
}

/* Tag Modal */
.tag-hint {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin: 4px 0 12px;
}

.tag-section {
  margin-bottom: 12px;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--bg);
  color: var(--text);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.15s;
}

.tag-item:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.tag-item.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.tag-item-delete {
  font-size: 0.7rem;
  opacity: 0.5;
  padding: 0 2px;
}

.tag-item-delete:hover {
  opacity: 1;
  color: var(--danger);
}

.tag-input-row {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.tag-input-row input {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  font-size: 0.9rem;
  margin: 0;
}

.tag-input-row input:focus {
  outline: none;
  border-color: var(--accent);
}

.tag-input-row button {
  padding: 8px 14px;
  border: none;
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  font-size: 0.85rem;
  cursor: pointer;
}