/* ==========================================================================
   TIỆN ÍCH MINI - SHARED STYLES (Command Palette & Floating Dock)
   Sử dụng prefix .cpc1- để không xung đột với CSS riêng của từng tool
   ========================================================================== */

:root {
  --cpc1-primary: #2563eb;
  --cpc1-primary-light: #eff6ff;
  --cpc1-bg: #ffffff;
  --cpc1-surface: #f8fafc;
  --cpc1-text: #0f172a;
  --cpc1-text-muted: #64748b;
  --cpc1-border: #e2e8f0;
  --cpc1-shadow: 0 20px 25px -5px rgba(15, 23, 42, 0.15), 0 8px 10px -6px rgba(15, 23, 42, 0.1);
}

/* Dark Mode đồng bộ chuẩn Tailwind Slate */
html.dark {
  --cpc1-primary: #3b82f6;
  --cpc1-primary-light: #1e3a5f;
  --cpc1-bg: #1e293b;
  --cpc1-surface: #0f172a;
  --cpc1-text: #f8fafc;
  --cpc1-text-muted: #94a3b8;
  --cpc1-border: #334155;
  --cpc1-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 8px 10px -6px rgba(0, 0, 0, 0.3);
}

/* 1. Thanh nút nổi mép phải giữa màn hình (Floating Dock) */
.cpc1-dock {
  position: fixed;
  top: 50%;
  right: 14px;
  transform: translateY(-50%);
  z-index: 9990;
  display: flex;
  align-items: center;
  background: rgba(15, 23, 42, 0.88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 999px;
  padding: 3px;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.25);
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  transition: transform 0.2s ease, opacity 0.2s ease, box-shadow 0.2s ease;
}

.cpc1-dock:hover {
  transform: translateY(-50%) translateX(-3px);
  box-shadow: 0 14px 20px -3px rgba(0, 0, 0, 0.35);
}

.cpc1-dock-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #f8fafc;
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  padding: 6px;
  border-radius: 999px;
  border: none;
  background: transparent;
  cursor: pointer;
  transition: background 0.15s ease, padding 0.25s ease;
  line-height: 1;
}

.cpc1-dock-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #ffffff;
}

.cpc1-dock-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  width: 22px;
  height: 22px;
  line-height: 1;
}

.cpc1-dock-text {
  max-width: 0;
  opacity: 0;
  overflow: hidden;
  white-space: nowrap;
  transition: max-width 0.25s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.2s ease, margin 0.25s ease;
  margin-left: 0;
}

.cpc1-dock:hover .cpc1-dock-btn,
.cpc1-dock-btn:focus-visible {
  padding: 6px 12px 6px 8px;
}

.cpc1-dock:hover .cpc1-dock-text,
.cpc1-dock-btn:focus-visible .cpc1-dock-text {
  max-width: 80px;
  opacity: 1;
  margin-left: 6px;
}

/* 2. Hộp thoại Command Palette (Ctrl + K) */
.cpc1-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 10vh 16px 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.15s ease, visibility 0.15s ease;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  box-sizing: border-box;
}

.cpc1-modal-overlay.cpc1-open {
  opacity: 1;
  visibility: visible;
}

.cpc1-modal {
  width: 100%;
  max-width: 580px;
  background: var(--cpc1-bg);
  border-radius: 16px;
  border: 1px solid var(--cpc1-border);
  box-shadow: var(--cpc1-shadow);
  overflow: hidden;
  transform: scale(0.96) translateY(-10px);
  transition: transform 0.15s ease;
}

.cpc1-modal-overlay.cpc1-open .cpc1-modal {
  transform: scale(1) translateY(0);
}

/* Thanh nhập từ khóa tìm kiếm */
.cpc1-search-header {
  display: flex;
  align-items: center;
  padding: 14px 16px;
  border-bottom: 1px solid var(--cpc1-border);
  gap: 10px;
}

.cpc1-search-icon {
  font-size: 18px;
  color: var(--cpc1-text-muted);
  user-select: none;
}

.cpc1-search-input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 15px;
  color: var(--cpc1-text);
  background: transparent;
}

.cpc1-search-input::placeholder {
  color: var(--cpc1-text-muted);
}

.cpc1-esc-btn {
  background: var(--cpc1-surface);
  border: 1px solid var(--cpc1-border);
  color: var(--cpc1-text-muted);
  border-radius: 6px;
  padding: 4px 8px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
}

.cpc1-esc-btn:hover {
  background: var(--cpc1-border);
  color: var(--cpc1-text);
}

/* Danh sách công cụ */
.cpc1-tool-list {
  max-height: 380px;
  overflow-y: auto;
  padding: 8px;
  margin: 0;
  list-style: none;
}

/* Thanh cuộn mỏng đồng nhất với trang con */
.cpc1-tool-list::-webkit-scrollbar { width: 6px; }
.cpc1-tool-list::-webkit-scrollbar-track { background: transparent; }
.cpc1-tool-list::-webkit-scrollbar-thumb { background: var(--cpc1-border); border-radius: 3px; }
.cpc1-tool-list::-webkit-scrollbar-thumb:hover { background: var(--cpc1-text-muted); }

.cpc1-tool-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-radius: 10px;
  text-decoration: none;
  color: var(--cpc1-text);
  transition: background 0.1s ease;
  gap: 12px;
  margin-bottom: 2px;
}

.cpc1-tool-item:hover,
.cpc1-tool-item.cpc1-active {
  background: var(--cpc1-primary-light);
}

.cpc1-tool-left {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.cpc1-tool-icon {
  font-size: 22px;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--cpc1-surface);
  border: 1px solid var(--cpc1-border);
  border-radius: 10px;
  flex-shrink: 0;
}

.cpc1-tool-item.cpc1-active .cpc1-tool-icon {
  background: var(--cpc1-bg);
  border-color: var(--cpc1-primary-light);
}

.cpc1-tool-info {
  min-width: 0;
}

.cpc1-tool-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--cpc1-text);
  margin: 0 0 3px 0;
  display: flex;
  align-items: center;
  gap: 6px;
}

.cpc1-tool-desc {
  font-size: 12px;
  color: var(--cpc1-text-muted);
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cpc1-tool-badge {
  font-size: 11px;
  font-weight: 500;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--cpc1-surface);
  color: var(--cpc1-text-muted);
  border: 1px solid var(--cpc1-border);
  white-space: nowrap;
  flex-shrink: 0;
}

.cpc1-current-tag {
  font-size: 10px;
  font-weight: 700;
  background: var(--cpc1-primary);
  color: #fff;
  padding: 2px 6px;
  border-radius: 4px;
  text-transform: uppercase;
}

/* Icon mũi tên liên kết ngoài (thay inline style) */
.cpc1-external-icon {
  font-size: 11px;
  color: var(--cpc1-text-muted);
}

.cpc1-empty {
  text-align: center;
  padding: 32px 16px;
  color: var(--cpc1-text-muted);
  font-size: 14px;
}

/* Chân hộp thoại hướng dẫn phím tắt */
.cpc1-modal-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: var(--cpc1-surface);
  border-top: 1px solid var(--cpc1-border);
  font-size: 12px;
  color: var(--cpc1-text-muted);
}

.cpc1-footer-keys {
  display: flex;
  gap: 12px;
}

.cpc1-footer-keys span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.cpc1-footer-keys kbd {
  background: var(--cpc1-bg);
  border: 1px solid var(--cpc1-border);
  border-radius: 4px;
  padding: 1px 5px;
  font-size: 11px;
  font-family: monospace;
  color: var(--cpc1-text);
}

/* 3. Footer bản quyền tập trung (mount vào #cpc1-footer) */
.cpc1-footer {
  margin-top: 2rem;
  padding: 1.25rem 0.5rem 0.75rem;
  border-top: 1px solid var(--cpc1-border);
  text-align: center;
  font-size: 0.75rem;
  color: var(--cpc1-text-muted);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  width: 100%;
  flex-shrink: 0;
}

/* Kiểu thanh đáy status bar cho trang full-screen (pdf, image) */
.cpc1-footer.cpc1-footer-bar {
  margin-top: 0;
  padding: 5px 12px;
  background: var(--cpc1-surface);
  border-top: 1px solid var(--cpc1-border);
  font-size: 0.7rem;
  z-index: 20;
}

/* Tối ưu cho màn hình điện thoại (iPhone) và khi in ấn */
@media (max-width: 640px) {
  .cpc1-kbd, .cpc1-footer-keys {
    display: none !important;
  }
  .cpc1-dock {
    bottom: 14px;
    right: 14px;
  }
  .cpc1-modal-overlay {
    padding-top: 5vh;
  }
}

@media print {
  .cpc1-dock, .cpc1-modal-overlay, .cpc1-footer {
    display: none !important;
  }
}