/**
 * 醫學會議海報製作器 - 樣式表
 */

/* === 基礎重置 === */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Microsoft JhengHei', 'Arial', sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  padding: 20px;
}

/* === 主要容器 === */
.container {
  max-width: 1400px;
  margin: 0 auto;
  background: #fff;
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .3);
  overflow: hidden;
}

.header {
  position: relative;
  min-height: 48px;
  padding: 8px 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #fff;
  text-align: center;
}

.developer-credit {
  margin: 0;
  opacity: .9;
  font-size: 13px;
  line-height: 1.2;
  font-weight: 500;
}

.menu-toggle-button {
  position: absolute;
  top: 50%;
  left: 16px;
  width: 44px;
  height: 36px;
  padding: 0;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.16);
  transform: translateY(-50%);
  transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.menu-toggle-button:hover {
  background: rgba(255, 255, 255, 0.26);
  transform: translateY(calc(-50% - 1px));
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.2);
}

.hamburger-line {
  width: 22px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  display: block;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.menu-toggle-label {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* 選單按鈕永遠維持三條槓槓，避免收合後變成 X 而被誤解為關閉畫面。 */

.main-content {
  display: flex;
  height: 800px;
}

/* === 控制面板 === */
.control-panel {
  width: 460px;
  padding: 14px 16px 24px;
  background: #f8f9fa;
  overflow-y: auto;
  border-right: 2px solid #e0e0e0;
  transition: width 0.24s ease, padding 0.24s ease, opacity 0.18s ease, border-color 0.24s ease;
}

.control-panel-brand {
  margin-bottom: 10px;
  padding: 12px 14px;
  border-radius: 12px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #fff;
  box-shadow: 0 8px 22px rgba(102, 126, 234, 0.22);
}

.control-panel-brand h1 {
  margin: 0;
  font-size: 20px;
  line-height: 1.18;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-hint {
  margin-top: 4px;
  font-size: 12px;
  line-height: 1.2;
  opacity: 0.86;
}

.update-notice {
  position: relative;
  margin: 0 0 10px;
  padding: 2px;
  border-radius: 16px;
  overflow: hidden;
  background: #ffffff;
  box-shadow: 0 8px 22px rgba(102, 126, 234, 0.14);
  transition: opacity 0.22s ease, transform 0.22s ease, max-height 0.22s ease, margin 0.22s ease;
}

.update-notice::before {
  content: '';
  position: absolute;
  inset: -90%;
  z-index: 0;
  background: conic-gradient(
    from 0deg,
    #667eea,
    #22d3ee,
    #4ade80,
    #facc15,
    #fb7185,
    #a78bfa,
    #667eea
  );
  opacity: 0.78;
  animation: updateNoticeRainbowSpin 10s linear infinite;
  pointer-events: none;
}

.update-notice-inner {
  position: relative;
  z-index: 1;
  padding: 12px 13px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.97);
}

.update-notice-kicker {
  display: inline-flex;
  align-items: center;
  margin-bottom: 4px;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(102, 126, 234, 0.1);
  color: #4c51bf;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.update-notice-title {
  color: #2d3748;
  font-size: 14px;
  font-weight: 800;
  line-height: 1.35;
}

.update-notice-summary {
  margin: 5px 0 0;
  color: #4a5568;
  font-size: 12px;
  line-height: 1.5;
}

.update-notice-details {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid rgba(102, 126, 234, 0.12);
  color: #4a5568;
  font-size: 12px;
  line-height: 1.55;
}

.update-notice-details ul {
  margin: 0;
  padding-left: 18px;
}

.update-notice-details li + li {
  margin-top: 3px;
}

.update-notice-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 10px;
}

.update-notice-button {
  min-height: 34px;
  padding: 7px 11px;
  border-radius: 999px;
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  font-family: 'Microsoft JhengHei', 'PingFang TC', 'Arial', sans-serif;
}

.update-notice-button-primary {
  background: #667eea;
  color: #ffffff;
  box-shadow: 0 5px 12px rgba(102, 126, 234, 0.22);
}

.update-notice-button-secondary {
  background: #ffffff;
  border-color: #d8def0;
  color: #4a5568;
}

.update-notice-dismissing {
  max-height: 0;
  margin-bottom: 0;
  opacity: 0;
  transform: translateY(-6px);
}

.update-notice-hidden {
  display: none;
}

@keyframes updateNoticeRainbowSpin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
  .update-notice::before,
  .design-switcher-discovery {
    animation: none;
  }

  .design-switcher-drawer,
  .design-switcher-backdrop,
  .design-preset-card,
  .design-motif-card,
  .design-switcher-trigger {
    transition: none;
  }
}

.container.controls-collapsed .control-panel {
  width: 0;
  padding-left: 0;
  padding-right: 0;
  border-right-color: transparent;
  opacity: 0;
  pointer-events: none;
  overflow: hidden;
}

.canvas-container {
  position: relative; /* 支援懸浮按鈕定位 */
  flex: 1;
  padding: 30px;
  display: flex;
  flex-direction: column;
  align-items: flex-start; /* ✅ 左對齊，避免截斷 */
  background: #fff;
  overflow: auto; /* ✅ 允許完整滾動 */
  max-height: 800px;
}

/* === 右上角快速設計切換器 === */
.design-switcher-trigger {
  position: sticky;
  top: 0;
  align-self: flex-end;
  z-index: 140;
  min-height: 42px;
  margin: -12px 0 12px;
  padding: 9px 16px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 0;
  border-radius: 999px;
  color: #fff;
  background: linear-gradient(135deg, #4355a7, #7c4bc1);
  box-shadow: 0 7px 20px rgba(67, 85, 167, 0.3);
  font: 700 14px/1 'Microsoft JhengHei', 'PingFang TC', sans-serif;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.design-switcher-trigger:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 25px rgba(67, 85, 167, 0.38);
}

.design-switcher-trigger:focus-visible,
.design-switcher-close:focus-visible,
.design-preset-card:focus-visible,
.design-motif-card:focus-visible {
  outline: 3px solid #f2bd55;
  outline-offset: 3px;
}

.design-switcher-discovery {
  animation: designSwitcherDiscovery 900ms ease-in-out 3;
}

@keyframes designSwitcherDiscovery {
  50% { transform: translateY(-2px) scale(1.04); box-shadow: 0 11px 28px rgba(67, 85, 167, 0.45); }
}

.design-switcher-backdrop {
  position: fixed;
  inset: 0;
  z-index: 850;
  background: rgba(17, 24, 39, 0.38);
  opacity: 0;
  pointer-events: none;
  transition: opacity 220ms ease;
}

.design-switcher-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}

.design-switcher-drawer {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 900;
  width: min(410px, calc(100vw - 20px));
  height: 100dvh;
  display: flex;
  flex-direction: column;
  color: #273049;
  background: #f8f7fc;
  box-shadow: -18px 0 44px rgba(22, 29, 53, 0.22);
  transform: translateX(calc(100% + 24px));
  visibility: hidden;
  transition: transform 240ms ease, visibility 240ms;
}

.design-switcher-drawer.is-open {
  transform: translateX(0);
  visibility: visible;
}

.design-switcher-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  padding: 24px 22px 16px;
  color: #fff;
  background: linear-gradient(135deg, #28366d, #6753a8 64%, #8762bd);
}

.design-switcher-header h2,
.design-switcher-header p,
.design-motif-heading h3,
.design-motif-section p {
  margin: 0;
}

.design-switcher-header h2 {
  font-size: 22px;
  line-height: 1.25;
}

.design-switcher-header p {
  margin-top: 6px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 12px;
}

.design-switcher-close {
  flex: none;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 50%;
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  font-size: 28px;
  line-height: 30px;
  cursor: pointer;
}

.design-switcher-scroll {
  flex: 1;
  min-height: 0;
  padding: 18px;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.design-preset-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.design-preset-card,
.design-motif-card {
  min-width: 0;
  padding: 0;
  overflow: hidden;
  border: 2px solid transparent;
  border-radius: 15px;
  color: inherit;
  background: #fff;
  box-shadow: 0 4px 14px rgba(34, 43, 76, 0.08);
  font-family: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

.design-preset-card:hover,
.design-motif-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(34, 43, 76, 0.14);
}

.design-preset-card[aria-checked='true'],
.design-motif-card[aria-checked='true'] {
  border-color: #6753a8;
  box-shadow: 0 0 0 3px rgba(103, 83, 168, 0.12), 0 8px 20px rgba(34, 43, 76, 0.14);
}

.design-preset-preview {
  position: relative;
  height: 112px;
  display: block;
  overflow: hidden;
}

.design-preset-preview::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(255,255,255,.16), transparent 42%);
  pointer-events: none;
}

.design-preset-preview > img {
  position: absolute;
  right: -10%;
  bottom: -15%;
  width: 88%;
  height: 112%;
  object-fit: contain;
  object-position: right bottom;
  filter: drop-shadow(0 5px 8px rgba(18, 25, 50, 0.16));
}

.design-preset-palette {
  position: absolute;
  left: 10px;
  bottom: 9px;
  z-index: 1;
  display: flex;
  padding: 3px;
  gap: 3px;
  border-radius: 999px;
  background: rgba(255,255,255,.82);
  box-shadow: 0 2px 7px rgba(0,0,0,.12);
}

.design-preset-palette i {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 1px solid rgba(30, 35, 55, 0.1);
}

.design-preset-label {
  display: flex;
  flex-direction: column;
  padding: 10px 11px 11px;
}

.design-preset-label strong {
  font-size: 14px;
}

.design-preset-label span {
  margin-top: 2px;
  color: #697088;
  font-size: 11px;
}

.design-motif-section {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid #dfddea;
}

.design-motif-heading {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 11px;
}

.design-motif-heading h3 {
  font-size: 16px;
}

.design-motif-heading span,
.design-motif-section > p {
  color: #787d90;
  font-size: 11px;
}

.design-motif-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.design-motif-card {
  text-align: center;
}

.design-motif-card img {
  width: 100%;
  height: 92px;
  display: block;
  object-fit: contain;
  background: linear-gradient(145deg, #fff, #eef0f8);
}

.design-motif-card span {
  min-height: 39px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6px 4px;
  color: #4c5369;
  font-size: 10px;
  line-height: 1.25;
}

.design-motif-section > p {
  margin-top: 10px;
  line-height: 1.5;
}

/* === Canvas === */
canvas {
  border: 2px solid #e0e0e0;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .1);
  border-radius: 10px;
  background: #fff;
  touch-action: none;
  /* ✅ 智能居中：容器大時居中，容器小時左對齊 */
  margin: 0 auto;
  /* ✅ 確保最小寬度，防止壓縮 */
  min-width: 800px;
}

/* 懸浮下載按鈕 - 固定在白色畫布區底部中央 */
.floating-download-center {
  position: sticky;
  bottom: 20px;
  left: auto;
  align-self: center;
  margin: 20px auto 0;
  transform: none;
  min-height: 52px;
  padding: 12px 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  line-height: 1.1;
  white-space: nowrap;
  background: linear-gradient(135deg, 
      #667eea 0%, 
      #764ba2 25%, 
      #f093fb 50%, 
      #f5576c 75%, 
      #fda085 100%);
  background-size: 200% 200%;
  color: white;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
  border: none;
  border-radius: 25px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
  transition: all 0.3s ease;
  z-index: 100;
  font-family: 'Microsoft JhengHei', 'PingFang TC', 'Arial', sans-serif;
  overflow: hidden;
  animation: gradientShift 8s ease infinite;
}

.floating-download-center .download-button-icon,
.floating-download-center .download-button-label {
  display: inline-flex;
  align-items: center;
  line-height: 1;
}

.floating-download-center .download-button-icon {
  font-size: 16px;
  transform: translateY(-1px);
}

.floating-download-center .download-button-label {
  transform: translateY(-1px);
}

/* 漸層色彩緩慢流動 */
@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* 光澤掠過效果 - shimmer 動畫 */
.floating-download-center::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
      45deg,
      transparent 30%,
      rgba(255, 255, 255, 0.3) 50%,
      transparent 70%
  );
  transform: rotate(45deg) translateX(-100%);
  transition: transform 0.6s;
  animation: shimmer 3s infinite;
  border-radius: 25px;
}

@keyframes shimmer {
  0% { transform: rotate(45deg) translateX(-100%); }
  100% { transform: rotate(45deg) translateX(100%); }
}

/* hover 狀態效果增強 */
.floating-download-center:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
  animation-play-state: paused;
}

/* Hover 時加速光澤效果 */
.floating-download-center:hover::before {
  animation-duration: 0.6s;
}

/* 點擊效果 */
.floating-download-center:active {
  transform: scale(0.98);
}



/* === 摺疊面板系統 === */
.accordion-section {
  margin-bottom: 8px;
  border: 2px solid #e0e0e0;
  border-radius: 12px;
  background: #fff;
  overflow: hidden;
  transition: all 0.2s ease;
}

.accordion-section:hover {
  border-color: #c0c0c0;
}

.accordion-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  cursor: pointer;
  user-select: none;
  transition: background 0.2s ease;
}

.accordion-header:hover {
  background: linear-gradient(135deg, #e9ecef 0%, #dee2e6 100%);
}

.accordion-icon {
  font-size: 14px;
  transition: transform 0.2s ease;
  color: #666;
}

.section-title-text {
  font-size: 18px;
  font-weight: 600;
  color: #333;
  flex: 1;
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  padding: 0 20px;
}

.accordion-section.active .accordion-content {
  max-height: 2000px; /* 足夠大的值確保內容完全顯示 */
  padding: 20px;
}

.accordion-section.active .accordion-icon {
  transform: rotate(90deg); /* ▼ 狀態：向右旋轉90度變向下 */
}

.accordion-section:not(.active) .accordion-icon {
  transform: rotate(0deg); /* ▶ 狀態：不旋轉保持向右 */
}

/* 子標題樣式調整 */
.sub-section-title {
  font-size: 16px;
  font-weight: 600;
  color: #444;
  margin: 16px 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid #e0e0e0;
}

.sub-section-title:first-child {
  margin-top: 0;
}

/* === 表單元素 === */
.section-title {
  font-size: 18px;
  font-weight: 600;
  color: #333;
  margin: 8px 0 12px;
  padding-bottom: 10px;
  border-bottom: 2px solid #e0e0e0;
}

.form-group {
  margin-bottom: 14px;
}

label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: #333;
  font-size: 14px;
}

input, select, textarea {
  width: 100%;
  padding: 10px;
  border: 2px solid #e0e0e0;
  border-radius: 8px;
  font-size: 14px;
  transition: all .2s;
  font-family: 'Microsoft JhengHei', 'Arial', sans-serif;
}

input[type="range"] {
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: transparent;
  box-shadow: none;
  min-width: 0;
}

input[type="range"]:focus {
  border-color: transparent;
  box-shadow: none;
}

/* 顏色選擇器特殊樣式 */
input[type="color"] {
  width: 100%;
  height: 45px;
  padding: 4px;
  border: 2px solid #e0e0e0;
  border-radius: 8px;
  cursor: pointer;
  background: transparent;
}

input[type="color"]::-webkit-color-swatch-wrapper {
  padding: 0;
  border: none;
  border-radius: 6px;
}

input[type="color"]::-webkit-color-swatch {
  border: none;
  border-radius: 6px;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,0.1);
}

input[type="color"]:hover {
  border-color: #667eea;
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, .12);
}

/* === 按鈕 === */
.btn {
  padding: 9px 12px;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s;
  margin: 4px 4px;
}

.btn-primary {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #fff;
}

.btn-secondary {
  background: #6c757d;
  color: #fff;
}

.btn-danger {
  background: #dc3545;
  color: #fff;
}

.btn-ghost {
  background: #fff;
  color: #333;
  border: 2px solid #e0e0e0;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, .15);
}

.btn:active {
  transform: translateY(0);
}

/* === 佈局工具 === */
.row {
  display: flex;
  gap: 10px;
  align-items: center;
}

.row > * {
  flex: 1;
}

/* === 模板選擇器 === */
.template-selector {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 8px;
}

.template-btn {
  padding: 10px 16px;
  border: 3px solid #e0e0e0;
  border-radius: 8px;
  cursor: pointer;
  transition: all .2s;
  text-align: left;
  background: #fff;
  font-size: 14px;
  font-weight: 600;
  width: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
}

.template-btn:hover {
  border-color: #667eea;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(102, 126, 234, .2);
}

.template-btn.active {
  border-color: #667eea;
  background: linear-gradient(135deg, rgba(102, 126, 234, .08) 0%, rgba(118, 75, 162, .08) 100%);
}

/* === 議程項目 === */
.agenda-list-heading {
  margin: 8px 0 6px;
  font-size: 13px;
  font-weight: 700;
  color: #4a5568;
}

.agenda-items {
  max-height: 260px;
  overflow-y: auto;
  border: 2px solid #e0e0e0;
  border-radius: 8px;
  padding: 12px;
  background: #fff;
  margin-bottom: 14px;
}

.agenda-editor-panel {
  padding: 12px;
  border: 1px solid #e6e9f2;
  border-radius: 12px;
  background: linear-gradient(180deg, #ffffff 0%, #f9fbff 100%);
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
}

.agenda-editor-panel.editing-active {
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.16);
}

.agenda-editor-title {
  margin-bottom: 10px;
  font-size: 13px;
  font-weight: 700;
  color: #667eea;
}

.agenda-item {
  padding: 12px;
  margin-bottom: 8px;
  background: #f8f9fa;
  border-radius: 8px;
  border-left: 4px solid #667eea;
  position: relative;
}

.agenda-item .controls {
  position: absolute;
  top: 10px;
  right: 10px;
  display: flex;
  gap: 6px;
}

/* === PNG 圖層清單 === */
.overlay-controls-panel.hidden {
  display: none;
}

.overlay-empty-state {
  margin-top: 8px;
  padding: 14px 16px;
  border: 2px dashed #d5dbe7;
  border-radius: 12px;
  background: linear-gradient(180deg, #fafcff 0%, #f4f7fb 100%);
}

.overlay-empty-title {
  font-size: 14px;
  font-weight: 700;
  color: #2d3748;
  margin-bottom: 4px;
}

.overlay-empty-copy {
  font-size: 12px;
  line-height: 1.5;
  color: #5f6b7a;
}

.overlay-list {
  max-height: 260px;
  overflow: auto;
  border: 2px solid #e0e0e0;
  border-radius: 8px;
  background: #fff;
}

.overlay-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px;
  border-bottom: 1px solid #eee;
  cursor: pointer;
  transition: background-color .2s;
}

.overlay-item:hover {
  background: #f8f9fa;
}

.overlay-item.active {
  background: #e9f0ff;
}

.overlay-thumb {
  width: 38px;
  height: 38px;
  border-radius: 6px;
  border: 1px solid #ddd;
  background-size: cover;
  background-position: center;
}

.overlay-name {
  flex: 1;
  font-size: 12px;
  color: #333;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.overlay-actions {
  display: flex;
  gap: 6px;
}

.mini-hint {
  font-size: 12px;
  color: #666;
  line-height: 1.4;
  margin-top: 6px;
}

/* === 裁切視窗 === */
.cropper-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .5);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.cropper-backdrop.show {
  display: flex;
}

.cropper-modal {
  background: #fff;
  width: min(92vw, 980px);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0, 0, 0, .4);
}

.cropper-header {
  padding: 14px 16px;
  background: #111827;
  color: #fff;
  font-weight: 700;
}

.cropper-body {
  padding: 16px;
}

#cropperCanvas {
  border: 1px solid #e5e7eb;
  display: block;
  width: 100%;
  height: auto;
  background: #fff;
}

.cropper-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 12px 16px;
  border-top: 1px solid #eee;
}

/* === 自訂配色專區 === */
.custom-colors-section {
  display: none;
  margin-top: 10px;
  padding: 15px;
  background: #f8f9fa;
  border-radius: 8px;
  border: 2px solid #e0e0e0;
}

.custom-colors-section.show {
  display: block;
}

.color-group {
  margin-bottom: 10px;
}

.color-group label {
  font-size: 13px;
  margin-bottom: 4px;
}

.four-color-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.three-color-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.two-color-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

/* 顏色項目容器 */
.color-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.color-label {
  font-size: 11px;
  color: #666;
  text-align: center;
  font-weight: 500;
  margin: 0;
  line-height: 1.2;
}

/* === 多行輸入框樣式 === */
.multiline-input {
  min-height: 60px;
  resize: vertical;
}

.poster-display-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px;
  margin: -2px 0 14px;
  border: 1px solid #dfe3ea;
  border-radius: 10px;
  background: #fff;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: #444;
  cursor: pointer;
}

.checkbox-row.disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.checkbox-row.disabled input {
  cursor: not-allowed;
}

/* === 檔案儲存載入列 === */
.filebar {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 8px;
}

.filebar .filebar-hint {
  opacity: .7;
  font-size: 11px;
}

.filebar button {
  padding: 6px 10px;
  border-radius: 8px;
  border: 1px solid #ddd;
  cursor: pointer;
  background: #fff;
  font-size: 12px;
}

.filebar button:hover {
  filter: brightness(0.98);
  background: #f8f9fa;
}

/* === 小型提示 === */
#toaster {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, .75);
  color: #fff;
  padding: 8px 12px;
  border-radius: 10px;
  z-index: 9999;
  pointer-events: none;
  opacity: 0;
  transition: opacity .3s;
}

/* === 響應式設計 === */
@media (max-width: 1200px) {
  .main-content {
    flex-direction: column;
    height: auto;
  }
  
  .control-panel {
    width: 100%;
    max-height: 400px;
  }

  .container.controls-collapsed .control-panel {
    width: 100%;
    max-height: 0;
    min-height: 0;
    padding-top: 0;
    padding-bottom: 0;
    border-right: 0;
    border-bottom: 0;
  }
  
  .canvas-container {
    max-height: none;
  }
}

@media (max-width: 768px) {
  body {
    padding: 10px;
  }
  
  .container {
    border-radius: 10px;
  }
  
  .header {
    min-height: 44px;
    padding: 7px 12px;
    text-align: center;
  }

  .developer-credit {
    font-size: 12px;
  }

  .menu-toggle-button {
    left: 12px;
    width: 42px;
    height: 34px;
  }

  .control-panel {
    padding: 12px;
  }

  .container.controls-collapsed .control-panel {
    padding: 0;
  }

  .control-panel-brand {
    margin-bottom: 8px;
    padding: 10px 12px;
  }

  .control-panel-brand h1 {
    font-size: 18px;
  }
  
  .template-selector {
    grid-template-columns: 1fr;
  }
  
  .row {
    flex-direction: column;
    gap: 6px;
  }

  .canvas-container {
    padding: 18px 12px 26px;
  }

  .design-switcher-trigger {
    top: 4px;
    margin: -4px 2px 10px 0;
  }

  .design-switcher-drawer {
    width: min(380px, calc(100vw - 8px));
    border-radius: 18px 0 0 18px;
  }

  .design-switcher-header {
    padding: 20px 17px 14px;
  }

  .design-switcher-scroll {
    padding: 14px;
  }

  .design-preset-grid {
    gap: 9px;
  }

  .design-preset-preview {
    height: 98px;
  }

  .design-motif-card img {
    height: 78px;
  }
  
  .row > * {
    flex: none;
  }
}

/* === 動畫效果 === */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.agenda-item {
  animation: fadeIn 0.3s ease-out;
}

.overlay-item {
  animation: fadeIn 0.2s ease-out;
}

/* === 捲軸樣式 === */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 3px;
}

::-webkit-scrollbar-thumb {
  background: #c1c1c1;
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: #a1a1a1;
}

/* === 檔案存取列樣式 === */
.filebar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 12px;
  background: #f8f9fa;
  border: 2px solid #e0e0e0;
  border-radius: 8px;
  margin: 16px 0;
  justify-content: space-between;
  align-items: center;
}

.filebar button {
  flex: 1;
  min-width: 100px;
  max-width: 140px;
  margin: 2px;
  font-size: 13px;
  padding: 8px 10px;
}

.filebar-hint {
  width: 100%;
  text-align: center;
  margin-top: 8px;
  font-size: 11px;
  color: #666;
  line-height: 1.3;
}

/* === 裁切控制按鈕樣式 === */
.btn-success {
  background: #28a745;
  color: white;
}

.btn-success:hover {
  background: #218838;
}

.crop-controls {
  gap: 8px;
}

/* === 範本管理樣式 === */
.template-actions {
  margin-top: 8px;
  text-align: center;
}

.template-btn {
  transition: all 0.2s ease;
  cursor: pointer;
  position: relative;
}

.template-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.template-btn.add-template-btn {
  border: 2px dashed #ccc;
  background: transparent;
}

.template-btn.add-template-btn:hover {
  border-color: #007bff;
  background: rgba(0,123,255,0.05);
}

.template-btn.empty-slot {
  border: 1px dashed #ddd;
  background: #f8f9fa;
  cursor: default;
}

.template-btn.empty-slot:hover {
  transform: none;
  box-shadow: none;
}

.template-thumbnail {
  width: 100%;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 4px;
}

.template-thumbnail img {
  max-width: 100%;
  max-height: 100%;
  border-radius: 3px;
}

.template-icon {
  font-size: 20px;
  opacity: 0.7;
}

.template-name {
  font-size: 11px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
  margin-top: 2px;
}

/* 右鍵選單樣式 */
.template-context-menu {
  min-width: 120px;
  font-size: 14px;
}

.context-menu-item {
  padding: 8px 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
}

.context-menu-item:hover {
  background-color: #f8f9fa;
}

.context-menu-separator {
  height: 1px;
  background-color: #eee;
  margin: 4px 0;
}

/* === 範本管理按鈕 === */
.template-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
  padding: 20px;
}

.template-buttons .btn {
  flex: 1;
  max-width: 200px;
  min-height: 52px;
  padding: 12px 20px;
  font-size: 16px;
  line-height: 1.2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  white-space: nowrap;
  font-family: 'Microsoft JhengHei', 'PingFang TC', 'Arial', sans-serif;
}

/* ===========================================
   Excel 上傳區域樣式
   =========================================== */

.upload-section {
  margin-bottom: 25px;
  padding-bottom: 20px;
  border-bottom: 1px solid #e1e5e9;
}

.upload-area {
  background: #f8f9fa;
  border: 2px dashed #dee2e6;
  border-radius: 12px;
  padding: 20px;
  margin: 15px 0;
  transition: all 0.3s ease;
}

.upload-zone {
  text-align: center;
  padding: 30px 20px;
  cursor: pointer;
  transition: all 0.3s ease;
  border-radius: 8px;
}

.upload-zone:hover {
  background: #e9ecef;
  border-color: #6c757d;
}

.upload-zone.drag-over {
  background: #d1ecf1;
  border-color: #007bff;
  transform: scale(1.02);
}

.upload-icon {
  font-size: 48px;
  margin-bottom: 15px;
  opacity: 0.7;
}

.upload-hint {
  font-size: 0.9em;
  color: #6c757d;
  margin-top: 8px;
}

.upload-status {
  margin-top: 15px;
  padding: 12px;
  border-radius: 8px;
}

.upload-status .loading {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #007bff;
}

.upload-status .success {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.upload-status .error {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

.spinner {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* 集合地點區域樣式 */
.meetup-section {
  background: #f8f9fa;
  border-radius: 6px;
  margin-top: 8px;
  transition: all 0.3s ease;
}

.meetup-section input[type="text"] {
  width: 100%;
  margin-top: 5px;
}

/* === 觸控除錯面板 === */
.touch-debug-panel {
  position: fixed;
  top: 20px;
  left: 20px;
  width: 320px;
  background: rgba(255, 255, 255, 0.95);
  border: 2px solid #2196F3;
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(8px);
  font-family: 'Consolas', 'Monaco', monospace;
  font-size: 12px;
  z-index: 10000;
  opacity: 0;
  transform: translateY(-20px);
  transition: all 0.3s ease;
  pointer-events: none;
}

.touch-debug-panel.active {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

.debug-header {
  background: #2196F3;
  color: white;
  padding: 12px 16px;
  border-radius: 10px 10px 0 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.debug-header h4 {
  margin: 0;
  font-size: 14px;
  font-weight: bold;
}

.debug-controls {
  display: flex;
  gap: 6px;
}

.debug-btn {
  padding: 4px 8px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.1);
  color: white;
  font-size: 10px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.debug-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}

.debug-btn.active {
  background: #4CAF50;
  border-color: #4CAF50;
}

.debug-content {
  padding: 16px;
}

.debug-status {
  margin-bottom: 12px;
  padding: 8px;
  background: #f5f5f5;
  border-radius: 6px;
  border-left: 4px solid #2196F3;
}

.debug-status > div {
  margin-bottom: 4px;
  display: flex;
  justify-content: space-between;
}

.debug-status span {
  color: #2196F3;
  font-weight: bold;
}

.debug-log {
  height: 180px;
  overflow-y: auto;
  background: #fafafa;
  border: 1px solid #e0e0e0;
  border-radius: 6px;
  padding: 8px;
}

.log-entry {
  margin-bottom: 2px;
  padding: 4px 6px;
  border-radius: 3px;
  background: rgba(33, 150, 243, 0.05);
  border-left: 2px solid #2196F3;
  font-size: 11px;
  line-height: 1.3;
}

.log-time {
  color: #666;
  margin-right: 6px;
}

.log-event {
  color: #2196F3;
  font-weight: bold;
  margin-right: 6px;
}

.log-coords {
  color: #FF9800;
  margin-right: 6px;
}

.log-hit {
  color: #4CAF50;
}

/* 手機版調整 */
@media (max-width: 768px) {
  .touch-debug-panel {
    width: calc(100vw - 40px);
    left: 20px;
    right: 20px;
  }
  
  .debug-header {
    flex-direction: column;
    gap: 8px;
  }
  
  .debug-controls {
    justify-content: center;
  }
}

/* Canvas 拖拉狀態樣式 */
canvas.dragging {
  touch-action: none;
  cursor: grabbing;
}

canvas:not(.dragging) {
  touch-action: manipulation;
  cursor: grab;
}