/* ============================================================
   messages.css — 留言牆樣式
   ============================================================ */

/* ── Page Layout ── */
.messages-page {
  padding-top: var(--header-height);
  min-height: 100dvh;
  padding-bottom: calc(80px + var(--sp-6));
  background-image: url('../assets/images/Message/board_bg.jpg');
  background-repeat: repeat;
  background-size: contain;
}

/* ── Title Bar ── */
.messages-titlebar {
  position: relative;
  background: var(--token-bg-title);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-3) var(--sp-5);
  min-height: 52px;
  overflow: visible;
}

/* 上緣點陣裝飾角 */
.messages-titlebar__corner {
  position: absolute;
  top: 0;
  width: 8px;
  height: 8px;
  pointer-events: none;
  z-index: 1;
}
.messages-titlebar__corner--tl { left: 0; }
.messages-titlebar__corner--tr { right: 0; }

.messages-titlebar__title {
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
  color: var(--token-text-primary);
  letter-spacing: var(--ls-wide);
  position: relative;
  z-index: 2;
}

/* ── Layout Toggle ── */
.layout-toggle {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  position: relative;
  z-index: 2;
}

.layout-btn {
  width: 36px;
  height: 36px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--dur-fast) var(--ease-out), opacity var(--dur-fast);
}
.layout-btn:hover  { opacity: 0.8; }
.layout-btn:active { transform: scale(0.9); }

.layout-btn__img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

/* ── form hint & notice ── */
.form-char-hint {
  margin-left: var(--sp-2);
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

.form-notice {
  font-size: var(--fs-xs);
  color: var(--fs-text-muted, var(--token-text-third));
  text-align: center;
  letter-spacing: var(--ls-wide);
}

.form-profanity-warn {
  margin: 0 0 var(--sp-3);
  padding: var(--sp-2) var(--sp-3);
  font-size: var(--fs-xs);
  line-height: 1.45;
  color: var(--color-red, #c44);
  background: rgba(204, 68, 68, 0.08);
  border-radius: var(--radius-sm, 8px);
  text-align: center;
  letter-spacing: var(--ls-wide, 0.02em);
}

.form-profanity-warn[hidden] {
  display: none !important;
}

/* ════════════════════════════════════════════════════════════
   Terms Step (Step 0)
   ════════════════════════════════════════════════════════════ */

/* Terms 頁面：固定樣式，不跟隨表單主題 */
.form-step--terms {
  background-color: #F5F3FF;
  background-image: url('../assets/images/Message/board_bg.jpg');
  background-repeat: repeat;
  background-size: contain;
  color: var(--token-text-primary);
}

.terms-header {
  flex-shrink: 0;
  background: var(--token-bg-title);
  padding: var(--sp-3) var(--sp-5);
  font-family: 'Cubic 11', monospace;
  font-size: var(--fs-base);
  font-weight: var(--fw-bold);
  color: var(--token-text-primary);
  letter-spacing: var(--ls-wide);
  text-align: center;
}

.terms-card {
  background: #ffffff;
  border-radius: var(--r-md);
  padding: var(--sp-5);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.terms-card__para {
  font-size: var(--fs-base);
  color: var(--token-text-primary);
  line-height: 1.75;
}

.terms-card__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.terms-card__list li {
  font-size: var(--fs-base);
  color: var(--token-text-primary);
  line-height: 1.65;
  padding-left: 1.2em;
  position: relative;
}


.terms-card__list li::before {
  content: '・';
  position: absolute;
  left: 0;
}

.terms-footer {
  flex-shrink: 0;
  border-top: 1px solid var(--token-stroke-dark);
  background: transparent;
}

/* Terms 內的按鈕固定為預設樣式，不受主題 --fs-* 變數影響 */
.form-step--terms .form-nav .btn--outline {
  border-color: var(--token-stroke-main);
  color: var(--token-text-primary);
}

.terms-agree {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: var(--sp-4) var(--sp-5);
  cursor: pointer;
  user-select: none;
}

.terms-agree__input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.terms-agree__box {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  border: 2px solid var(--token-stroke-main);
  border-radius: var(--r-sm);
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    background var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out);
}

.terms-agree__input:checked ~ .terms-agree__box {
  background: var(--token-text-active);
  border-color: var(--token-text-active);
}

.terms-agree__input:checked ~ .terms-agree__box::after {
  content: '';
  display: block;
  width: 5px;
  height: 9px;
  border: 2px solid #fff;
  border-top: none;
  border-left: none;
  transform: rotate(45deg) translateY(-1px);
}

.terms-agree__text {
  font-size: var(--fs-sm);
  color: var(--token-text-secondary);
  font-weight: var(--fw-bold);
  line-height: 1.4;
}

/* ════════════════════════════════════════════════════════════
   Multi-Step Form Sheet
   ════════════════════════════════════════════════════════════ */

/* ── Form Sheet 主題變數系統 ── */
#message-form-sheet {
  /* Theme 1 — LMC (預設) */
  --fs-bg:           #F5F3FF;
  --fs-label:        var(--token-text-active);
  --fs-accent:       var(--token-text-active);
  --fs-text:         var(--token-text-primary);
  --fs-text-muted:   var(--token-text-third);
  --fs-input-bg:     #ffffff;
  --fs-input-border: var(--token-stroke-dark);
  --fs-input-focus:  var(--token-lmc-stroke-focus);
  --fs-input-clr:    var(--token-text-primary);
  --fs-placeholder:  var(--token-text-third);
  --fs-nav-border:   var(--token-stroke-dark);
  --fs-outline-brd:  var(--token-stroke-main);
  --fs-outline-clr:  var(--token-text-primary);
  --fs-progress-bg:  rgba(92, 81, 102, 0.08);
  --fs-progress-brd: rgba(92, 81, 102, 0.25);
}

/* Theme 2 — Boys */
#message-form-sheet[data-theme="2"] {
  --fs-bg:           var(--token-boys-bg);
  --fs-label:        var(--token-boys-title);
  --fs-accent:       var(--token-boys-card-top);
  --fs-input-border: var(--token-boys-stroke-default);
  --fs-input-focus:  var(--token-boys-stroke-focus);
  --fs-outline-brd:  var(--token-boys-title);
  --fs-outline-clr:  var(--token-boys-title);
  --fs-progress-bg:  rgba(8, 159, 131, 0.08);
  --fs-progress-brd: rgba(8, 159, 131, 0.25);
}

/* Theme 3 — Girls */
#message-form-sheet[data-theme="3"] {
  --fs-bg:           var(--token-girls-bg);
  --fs-label:        var(--token-girls-title);
  --fs-accent:       var(--token-girls-card-top);
  --fs-input-border: var(--token-girls-stroke-default);
  --fs-input-focus:  var(--token-girls-stroke-focus);
  --fs-outline-brd:  var(--token-girls-title);
  --fs-outline-clr:  var(--token-girls-title);
  --fs-progress-bg:  rgba(177, 76, 73, 0.08);
  --fs-progress-brd: rgba(177, 76, 73, 0.25);
}

/* Theme 4 — Ghost（暗色主題） */
#message-form-sheet[data-theme="4"] {
  --fs-bg:           var(--token-ghost-bg);
  --fs-label:        var(--token-ghost-title);
  --fs-accent:       var(--token-ghost-card-top);
  --fs-text:         var(--token-ghost-icon);
  --fs-text-muted:   rgba(232, 186, 194, 0.55);
  --fs-input-bg:     rgba(255, 255, 255, 0.07);
  --fs-input-border: var(--token-ghost-stroke-default);
  --fs-input-focus:  var(--token-ghost-stroke-focus);
  --fs-input-clr:    var(--token-ghost-icon);
  --fs-placeholder:  rgba(232, 186, 194, 0.4);
  --fs-nav-border:   rgba(232, 186, 194, 0.18);
  --fs-outline-brd:  var(--token-ghost-icon);
  --fs-outline-clr:  var(--token-ghost-icon);
  --fs-progress-bg:  rgba(232, 186, 194, 0.1);
  --fs-progress-brd: rgba(232, 186, 194, 0.25);
}

/* Theme 5 — Zombie（暗色主題） */
#message-form-sheet[data-theme="5"] {
  --fs-bg:           var(--token-zombie-bg);
  --fs-label:        var(--token-zombie-title);
  --fs-accent:       var(--token-zombie-card-top);
  --fs-text:         var(--token-zombie-icon);
  --fs-text-muted:   rgba(212, 202, 254, 0.55);
  --fs-input-bg:     rgba(255, 255, 255, 0.07);
  --fs-input-border: var(--token-zombie-stroke-default);
  --fs-input-focus:  var(--token-zombie-stroke-focus);
  --fs-input-clr:    var(--token-zombie-icon);
  --fs-placeholder:  rgba(212, 202, 254, 0.4);
  --fs-nav-border:   rgba(212, 202, 254, 0.18);
  --fs-outline-brd:  var(--token-zombie-icon);
  --fs-outline-clr:  var(--token-zombie-icon);
  --fs-progress-bg:  rgba(212, 202, 254, 0.1);
  --fs-progress-brd: rgba(212, 202, 254, 0.25);
}

/* 覆蓋 base bottom-sheet：全高、淺色背景 */
#message-form-sheet {
  max-height: calc(100dvh - var(--header-height));
  height: calc(100dvh - var(--header-height));
  border-radius: 0;
  background: var(--fs-bg);
  color: var(--fs-text);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: background var(--dur-base) var(--ease-out), color var(--dur-base) var(--ease-out);
}

/* ── Progress Bar ── */
.form-progress {
  flex-shrink: 0;
  padding: var(--sp-4) var(--sp-5) var(--sp-2);
  background: inherit;
}

.form-progress__row {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.form-progress__track {
  flex: 1;
  height: 10px;
  background: var(--fs-progress-bg, rgba(92, 81, 102, 0.08));
  border-radius: var(--r-full);
  border: 1px solid var(--fs-progress-brd, rgba(92, 81, 102, 0.25));
  display: flex;
  gap: 3px;
  padding: 2px;
}

.form-progress__seg {
  flex: 1;
  height: 100%;
  border-radius: calc(var(--r-full) - 2px);
  background: transparent;
  transition: background var(--dur-base) var(--ease-out);
}

.form-progress__seg.is-filled {
  background: var(--fs-accent, var(--token-text-active));
  transition: background var(--dur-base) var(--ease-out);
}

.form-progress__icon-box {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  border: 2px solid var(--token-stroke-dark);
  border-radius: var(--r-sm);
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}

.form-progress__letter {
  width: 18px;
  height: 18px;
  object-fit: contain;
}

.form-progress__labels {
  display: flex;
  justify-content: space-between;
  padding: var(--sp-1) 0 0;
}

.form-progress__label {
  font-family: 'Cubic 11', monospace;
  font-size: var(--fs-xs);
  color: var(--token-text-third);
  letter-spacing: var(--ls-wide);
}

.form-progress__label.is-active {
  color: var(--fs-accent, var(--token-text-active));
}

/* ── Form Steps ── */
.form-step {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.form-step.is-hidden {
  display: none;
}

.form-step__body {
  flex: 1;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: var(--sp-4) var(--sp-5) var(--sp-4);
}

/* ── Form Navigation ── */
.form-nav {
  flex-shrink: 0;
  display: flex;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-5) max(var(--sp-6), env(safe-area-inset-bottom));
  border-top: 1px solid var(--fs-nav-border, var(--token-stroke-dark));
  background: inherit;
}

.form-nav .btn {
  flex: 1;
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--r-md);
  font-size: var(--fs-base);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-wide);
}

.form-nav .btn--outline {
  background: transparent;
  border: 2px solid var(--fs-outline-brd, var(--token-stroke-main));
  color: var(--fs-outline-clr, var(--token-text-primary));
}

.form-nav .btn--primary {
  background: var(--token-btn-primary);
  color: var(--token-text-white);
  border: none;
}

.form-nav .btn--primary:disabled {
  background: var(--token-stroke-dark);
  color: var(--token-text-third);
  cursor: not-allowed;
}

/* ── Form inputs with theme-aware styles ── */
#message-form-sheet .form-group {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

#message-form-sheet .form-label {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  color: var(--fs-label, var(--token-text-secondary));
  letter-spacing: var(--ls-wide);
  transition: color var(--dur-base) var(--ease-out);
}

.form-label__icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  object-fit: contain;
  display: block;
}

#message-form-sheet .form-input {
  background: var(--fs-input-bg, #fff);
  border: 1.5px solid var(--fs-input-border, var(--token-stroke-dark));
  border-radius: var(--r-md);
  color: var(--fs-input-clr, var(--token-text-primary));
  font-size: var(--fs-base);
  padding: var(--sp-3) var(--sp-4);
  transition: border-color var(--dur-fast), background var(--dur-base) var(--ease-out), color var(--dur-base) var(--ease-out);
}

#message-form-sheet .form-input:focus {
  border-color: var(--fs-input-focus, #9A9A9A);
  box-shadow: none;
}

#message-form-sheet .form-input::placeholder {
  color: var(--fs-placeholder, var(--token-text-third));
}

#message-form-sheet .form-char-count {
  text-align: right;
  font-size: var(--fs-xs);
  color: var(--fs-text-muted, var(--token-text-third));
}

/* ── Avatar Picker ── */
.avatar-picker {
  display: flex;
  gap: var(--sp-3);
  align-items: center;
}

.avatar-option {
  width: 52px;
  height: 52px;
  padding: 0;
  border-radius: 50%;
  border: 3px solid transparent;
  cursor: pointer;
  transition:
    border-color var(--dur-fast) var(--ease-out),
    transform    var(--dur-fast) var(--ease-spring);
  position: relative;
  flex-shrink: 0;
}

.avatar-option:hover { transform: scale(1.08); }

.avatar-option.is-selected {
  border-color: var(--token-text-active);
  transform: scale(1.12);
}

.avatar-option__img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: contain;
  display: block;
}

/* 選中時下方小箭頭 */
.avatar-option.is-selected::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 6px solid var(--token-text-active);
}

/* ── Confirm Preview (Step 2) ── */
/* 確認頁預覽區：留言板底圖背景 */
#confirm-preview {
  background-image: url('../assets/images/Message/board_bg.jpg');
  background-repeat: repeat;
  background-size: contain;
}

.confirm-preview__hint {
  font-size: var(--fs-sm);
  color: var(--token-text-secondary);
  letter-spacing: var(--ls-wide);
  margin-bottom: var(--sp-4);
  text-align: center;
}

.confirm-card-preview {
  animation: none;
  /* 讓卡片在預覽區內不可互動（除了已停用的按鈕之外） */
  pointer-events: none;
}

.confirm-card-preview .share-btn,
.confirm-card-preview .like-btn {
  opacity: 0.35;
  cursor: default;
}

/* ── Messages List ── */
.messages-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-5);
  padding: var(--sp-4) var(--sp-4);
  align-items: start;
}

/* 2 欄 Pinterest 排列 — flex row 內含兩個欄位容器 */
.messages-list[data-layout="2col"] {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  padding: var(--sp-4) var(--sp-3);
}

/* 欄位容器：自身為 flex-column，卡片由上往下疊 */
.messages-col {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
}

/* error / empty 狀態在 2col flex 內撐滿整行 */
.messages-list[data-layout="2col"] .messages-error {
  width: 100%;
}

/* 2 欄：縮小頭像，內距收緊（avatar 已絕對定位，body 只需調整 padding） */
.messages-list[data-layout="2col"] .message-card__avatar {
  width: 40px;
  height: 40px;
  left: var(--sp-4);
}

.messages-list[data-layout="2col"] .message-card__body {
  padding: 18px var(--sp-4) var(--sp-2);
}

.messages-list[data-layout="2col"] .message-card__nick {
  font-size: var(--fs-sm);
}

.messages-list[data-layout="2col"] .message-card__text {
  font-size: var(--fs-sm);
  line-height: 1.4;
}

.messages-list[data-layout="2col"] .message-card__footer {
  padding: var(--sp-1) var(--sp-4) var(--sp-2);
}

.messages-list[data-layout="2col"] .like-btn__heart,
.messages-list[data-layout="2col"] .share-btn {
  width: 22px;
  height: 22px;
}

.messages-list[data-layout="2col"] .like-btn__count {
  font-size: var(--fs-xs);
}

/* 1 欄：文字放大 */
.messages-list[data-layout="1col"] .message-card__nick {
  font-size: var(--fs-md);
}

.messages-list[data-layout="1col"] .message-card__text {
  font-size: var(--fs-md);
  line-height: 1.65;
}

/* ══════════════════════════════════════════════
   Message Card — 像素風格，五種主題
   ══════════════════════════════════════════════ */

/* 外層 Wrapper：持有四角裝飾點 */
.message-card-wrap {
  position: relative;
  overflow: visible;
  animation: cardFadeIn var(--dur-slow) var(--ease-out) both;
}

@keyframes cardFadeIn {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Theme 1 — LMC */
.theme-1 .message-card      { background: var(--token-lmc-bg);    color: var(--token-lmc-icon); }
.theme-1 .message-card__topbar { background: var(--token-lmc-card-top); }
.theme-1 .message-card__nick   { color: var(--token-lmc-title); }
.theme-1 .message-card__date   { color: rgba(34, 34, 34, 0.5); }

/* Theme 2 — Boys */
.theme-2 .message-card      { background: var(--token-boys-bg);   color: var(--token-boys-icon); }
.theme-2 .message-card__topbar { background: var(--token-boys-card-top); }
.theme-2 .message-card__nick   { color: var(--token-boys-title); }
.theme-2 .message-card__date   { color: rgba(34, 34, 34, 0.5); }

/* Theme 3 — Girls */
.theme-3 .message-card      { background: var(--token-girls-bg);  color: var(--token-girls-icon); }
.theme-3 .message-card__topbar { background: var(--token-girls-card-top); }
.theme-3 .message-card__nick   { color: var(--token-girls-title); }
.theme-3 .message-card__date   { color: rgba(34, 34, 34, 0.5); }

/* Theme 4 — Ghost */
.theme-4 .message-card      { background: var(--token-ghost-bg);  color: var(--token-ghost-icon); }
.theme-4 .message-card__topbar { background: var(--token-ghost-card-top); }
.theme-4 .message-card__nick   { color: var(--token-ghost-title); }
.theme-4 .message-card__date   { color: rgba(34, 34, 34, 0.5); }

/* Theme 5 — Zombie */
.theme-5 .message-card      { background: var(--token-zombie-bg); color: var(--token-zombie-icon); }
.theme-5 .message-card__topbar { background: var(--token-zombie-card-top); }
.theme-5 .message-card__nick   { color: var(--token-zombie-title); }
.theme-5 .message-card__date   { color: rgba(34, 34, 34, 0.5); }

/* ── Card 內層（overflow hidden 確保內容裁切；border-radius 由角落圖取代） ── */
.message-card {
  border-radius: 0;
  border: 2px solid var(--token-stroke-main);
  /* overflow: hidden; */
  position: relative;
}
.message-card:active { transform: scale(0.99); }

/* ── 像素角落圖（絕對定位於 .message-card-wrap 四角） ── */
.message-card__corner {
  position: absolute;
  width: 6px;
  height: 6px;
  pointer-events: none;
  z-index: 2;
  image-rendering: pixelated;
  image-rendering: crisp-edges; /* Firefox */
}
.message-card__corner--tl { top:    0; left:  0; }
.message-card__corner--tr { top:    0; right: 0; }
.message-card__corner--bl { bottom: 0; left:  0; }
.message-card__corner--br { bottom: 0; right: 0; }

/* ── Topbar ── */
.message-card__topbar {
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 0 var(--sp-3);
}

.message-card__date {
  font-family: var(--font-en);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wide);
}

/* ── Body（Avatar 絕對浮動，文字區塊滿版寬） ── */
.message-card__body {
  padding: 30px var(--sp-5) var(--sp-3);
}

/* Avatar：絕對定位，重疊 topbar 左上角 */
.message-card__avatar {
  position: absolute;
  top: -16px;
  left: var(--sp-5);
  width: 52px;
  height: 52px;
  border-radius: 50%;
  object-fit: contain;
  z-index: 2;
  image-rendering: pixelated;
}

/* Text block */
.message-card__text-block {
  min-width: 0;
}

.message-card__nick {
  font-family: var(--font-en);
  font-size: var(--fs-base);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  margin-bottom: var(--sp-2);
}

.message-card__text {
  font-size: var(--fs-base);
  line-height: 21px;
}
.message-card__text.is-truncated {
  display: -webkit-box;
  line-clamp: 4;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.message-card__read-more {
  display: inline;
  font-size: var(--fs-sm);
  opacity: 0.6;
  text-decoration: underline;
  text-underline-offset: 2px;
  cursor: pointer;
  margin-left: var(--sp-2);
  transition: opacity var(--dur-fast);
}
.message-card__read-more:hover { opacity: 0.9; }

/* ── 裝飾 Icon（絕對定位於 .message-card-wrap） ── */
.message-card__deco {
  position: absolute;
  width: 20px;
  height: 20px;
  pointer-events: none;
  z-index: 3;
  image-rendering: pixelated;
}

/* 右上角 */
.message-card__deco--tr { top: -8px; right: -8px; }
/* 左上角（avatar 底部同高，card 左側外） */
.message-card__deco--tl { top: 32px;  left: -6px; }
/* 右側中間 */
.message-card__deco--rm { top: 50%; right: -8px; transform: translateY(-50%); }
/* 左下角 */
.message-card__deco--bl { bottom: 32px; left: -4px; }

/* ── Footer ── */
.message-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-2) var(--sp-5) var(--sp-3);
}

/* 分享按鈕 */
.share-btn {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: opacity var(--dur-fast) var(--ease-out), transform var(--dur-fast);
}
.share-btn:hover  { opacity: 0.7; }
.share-btn:active { transform: scale(0.9); }
.share-btn img    { width: 100%; height: 100%; object-fit: contain; }

/* 愛心按鈕 */
.like-btn {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  padding: var(--sp-1);
  transition: transform var(--dur-fast) var(--ease-out);
}
.like-btn:hover  { transform: scale(1.05); }
.like-btn:active { transform: scale(0.9); }

.like-btn__heart {
  width: 28px;
  height: 28px;
  object-fit: contain;
  display: block;
}
.like-btn.is-liked .like-btn__heart {
  animation: heartPop var(--dur-base) var(--ease-spring);
}
@keyframes heartPop {
  0%   { transform: scale(1); }
  40%  { transform: scale(1.5); }
  100% { transform: scale(1); }
}

.like-btn__count {
  font-family: var(--font-en);
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  min-width: 1ch;
  color: inherit;
}

/* ── FAB (留言按鈕) ── */
.fab {
  position: fixed;
  right: max(var(--sp-5), calc((100vw - var(--max-width)) / 2 + var(--sp-5)));
  bottom: var(--sp-8);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-4);
  background: var(--token-bg-main);
  border: 2px solid var(--token-stroke-dark);
  border-radius: var(--r-sm);
  box-shadow: 3px 3px 0 var(--token-stroke-dark);
  z-index: calc(var(--z-header) - 10);
  transition:
    transform  var(--dur-fast) var(--ease-spring),
    box-shadow var(--dur-fast) var(--ease-out);
}
.fab:hover {
  transform: translate(-1px, -1px);
  box-shadow: 4px 4px 0 var(--token-stroke-dark);
}
.fab:active {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 var(--token-stroke-dark);
}

.fab__icon {
  width: 32px;
  height: 32px;
  object-fit: contain;
  flex-shrink: 0;
}

.fab__label {
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  color: var(--token-text-white);
  letter-spacing: var(--ls-wide);
  white-space: nowrap;
}

/* ── 留言表單 (global fallback, mostly overridden by #message-form-sheet scope) ── */
.message-form {
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.form-label {
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-wide);
  color: var(--color-text-sub);
}

.form-input {
  width: 100%;
  padding: var(--sp-3) var(--sp-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--r-md);
  font-size: var(--fs-base);
  color: var(--color-text);
  transition:
    border-color var(--dur-fast) var(--ease-out),
    box-shadow   var(--dur-fast) var(--ease-out);
}
.form-input:focus {
  border-color: var(--color-blue);
  box-shadow: 0 0 0 3px var(--color-blue-glow);
}
.form-input::placeholder { color: var(--color-text-muted); }

.form-textarea {
  resize: vertical;
  min-height: 120px;
  line-height: var(--lh-relaxed);
}

.form-char-count {
  text-align: right;
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}
.form-char-count.is-near-limit { color: var(--color-gold); }
.form-char-count.is-at-limit   { color: var(--color-red); }

/* ── Thank You 畫面 ── */
.thankyou-screen {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  min-height: 100%;
  background: var(--token-bg-message);
  background-image: url('../assets/images/Message/board_bg.jpg');
  background-size: contain;
  background-repeat: repeat;
}

.thankyou-screen__header {
  background: var(--token-bg-title);
  padding: var(--sp-3) var(--sp-5);
  text-align: center;
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  color: var(--token-text-primary);
  letter-spacing: var(--ls-wide);
  flex-shrink: 0;
}

.thankyou-screen__body {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--sp-8) var(--sp-6);
  gap: var(--sp-8);
}

/* 像素風說話泡泡卡片 */
.thankyou-bubble {
  background: #fff;
  border: 3px solid #5C3A3A;
  border-radius: var(--r-md);
  padding: var(--sp-8) var(--sp-6) var(--sp-6);
  text-align: center;
  position: relative;
  width: 100%;
  max-width: 320px;
  box-shadow: 4px 4px 0 #5C3A3A;
  animation: bubbleIn var(--dur-slow) var(--ease-spring) both;
}

@keyframes bubbleIn {
  from { opacity: 0; transform: scale(0.85) translateY(20px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

/* 左下角尾巴 */
.thankyou-bubble::after {
  content: '';
  position: absolute;
  bottom: -18px;
  left: 28px;
  width: 0;
  height: 0;
  border-left: 14px solid transparent;
  border-right: 0px solid transparent;
  border-top: 18px solid #5C3A3A;
}
.thankyou-bubble::before {
  content: '';
  position: absolute;
  bottom: -13px;
  left: 30px;
  width: 0;
  height: 0;
  border-left: 11px solid transparent;
  border-right: 0px solid transparent;
  border-top: 14px solid #fff;
  z-index: 1;
}

.thankyou-bubble__title {
  font-size: var(--fs-lg);
  font-weight: var(--fw-black);
  color: var(--token-btn-primary);
  line-height: var(--lh-tight);
  white-space: pre-line;
  margin-bottom: var(--sp-4);
}

.thankyou-bubble__img {
  width: 80px;
  height: 80px;
  object-fit: contain;
  margin: 0 auto var(--sp-4);
  display: block;
  animation: thankyouBounce var(--dur-slower) var(--ease-spring);
}

@keyframes thankyouBounce {
  from { transform: scale(0) rotate(-15deg); }
  to   { transform: scale(1) rotate(0deg); }
}

.thankyou-bubble__bar-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-1);
}

.thankyou-bubble__bar {
  width: 100%;
  height: 12px;
  background: rgba(92, 81, 102, 0.15);
  border-radius: var(--r-full);
  border: 1px solid var(--token-stroke-dark);
  overflow: hidden;
}

.thankyou-bubble__bar-fill {
  height: 100%;
  background: var(--token-btn-third);
  border-radius: var(--r-full);
  width: 0;
  transition: width 0.8s var(--ease-out);
}

.thankyou-bubble__percent {
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  color: var(--token-text-secondary);
}

.thankyou-screen__btn {
  background: var(--token-btn-primary);
  color: var(--token-text-white);
  border-radius: var(--r-md);
  padding: var(--sp-4) var(--sp-8);
  font-size: var(--fs-base);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-wide);
  width: 100%;
  max-width: 320px;
  transition: transform var(--dur-fast), opacity var(--dur-fast);
}

.thankyou-screen__btn:hover  { opacity: 0.88; }
.thankyou-screen__btn:active { transform: scale(0.97); }

/* ── Loading State（舊 spinner，保留備用） ── */
.messages-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-4);
  padding: var(--sp-20) var(--sp-6);
  color: var(--color-text-muted);
}

.spinner {
  width: 32px;
  height: 32px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-blue);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ── Skeleton Loading ── */
@keyframes skeletonShimmer {
  0%   { background-position: -200% 0; }
  100% { background-position:  200% 0; }
}

.skeleton-block {
  background: linear-gradient(
    90deg,
    rgba(255,255,255,0.05) 25%,
    rgba(255,255,255,0.13) 50%,
    rgba(255,255,255,0.05) 75%
  );
  background-size: 200% 100%;
  animation: skeletonShimmer 1.6s ease-in-out infinite;
  border-radius: var(--r-sm);
}

.skeleton-card-wrap {
  position: relative;
  overflow: visible;
}

.skeleton-card {
  border-radius: var(--r-lg);
  border: 1px solid rgba(255,255,255,0.07);
  overflow: hidden;
  background: rgba(255,255,255,0.04);
}

.skeleton-card__topbar {
  height: 36px;
  background: rgba(255,255,255,0.05);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 0 var(--sp-3);
}

.skeleton-card__topbar .skeleton-block {
  width: 72px;
  height: 11px;
}

.skeleton-card__body {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  padding: 0 var(--sp-3) var(--sp-3);
}

.skeleton-card__avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: -26px;
}

.skeleton-card__text-block {
  flex: 1;
  min-width: 0;
  padding-top: var(--sp-1);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.skeleton-card__nick  { height: 15px; width: 38%; }
.skeleton-card__line  { height: 13px; width: 100%; }
.skeleton-card__line--med   { width: 85%; }
.skeleton-card__line--short { width: 60%; }

.skeleton-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-2) var(--sp-2) var(--sp-2);
}

.skeleton-card__share {
  width: 28px;
  height: 28px;
  border-radius: var(--r-sm);
}

.skeleton-card__like {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
}

.skeleton-card__heart { width: 28px; height: 28px; border-radius: var(--r-sm); }
.skeleton-card__count { width: 18px; height: 13px; }

/* 2 欄縮小骨架頭像，對應真實卡片縮放 */
.messages-list[data-layout="2col"] .skeleton-card__avatar {
  width: 40px;
  height: 40px;
  margin-top: -20px;
}

.messages-list[data-layout="2col"] .skeleton-card-wrap {
  min-width: 0;
}

/* ── Error State ── */
.messages-error {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-4);
  padding: var(--sp-16) var(--sp-6);
  text-align: center;
}
.messages-error__icon { font-size: 40px; opacity: 0.4; }
.messages-error__text { font-size: var(--fs-sm); color: var(--color-text-muted); }

/* ════════════════════════════════════════════════════════════
   Share Modal（分享彈窗）
   ════════════════════════════════════════════════════════════ */

.share-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.52);
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-normal) var(--ease-out);
}

.share-modal-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.share-modal {
  background: #ffffff;
  border-radius: var(--r-lg);
  border: 2px solid var(--token-stroke-main);
  box-shadow: 4px 4px 0 var(--token-stroke-main);
  padding: var(--sp-6) var(--sp-6) var(--sp-5);
  width: min(320px, calc(100vw - 40px));
  position: relative;
  transform: scale(0.88) translateY(12px);
  transition:
    transform var(--dur-normal) var(--ease-spring),
    opacity var(--dur-normal) var(--ease-out);
  opacity: 0;
}

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

/* 關閉按鈕（× 符號，像素風） */
.share-modal__close {
  position: absolute;
  top: var(--sp-3);
  right: var(--sp-3);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Cubic 11', monospace;
  font-size: 18px;
  line-height: 1;
  color: var(--token-text-secondary);
  background: none;
  border: none;
  cursor: pointer;
  border-radius: var(--r-sm);
  transition: color var(--dur-fast), background var(--dur-fast);
}

.share-modal__close:hover {
  color: var(--token-text-primary);
  background: rgba(92, 81, 102, 0.08);
}

/* 標題 */
.share-modal__label {
  font-family: 'Cubic 11', monospace;
  font-size: var(--fs-base);
  font-weight: var(--fw-bold);
  color: var(--token-text-primary);
  letter-spacing: var(--ls-wide);
  margin: 0 0 var(--sp-5);
  padding-right: var(--sp-6);
}

/* 三個圖示按鈕列 */
.share-modal__icons {
  display: flex;
  gap: var(--sp-5);
  justify-content: center;
  align-items: flex-start;
  margin-bottom: var(--sp-5);
}

/* 各個分享圖示按鈕（CopyLink / LINE / FB） */
.share-modal__icon-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-2);
  background: none;
  border: none;
  cursor: pointer;
  text-decoration: none;
  padding: 0;
  transition: transform var(--dur-fast) var(--ease-out), opacity var(--dur-fast);
}

.share-modal__icon-btn:hover  { transform: scale(1.1); }
.share-modal__icon-btn:active { transform: scale(0.94); opacity: 0.8; }

.share-modal__icon-btn img {
  width: 56px;
  height: 56px;
  object-fit: contain;
  display: block;
}

.share-modal__icon-label {
  font-size: var(--fs-xs);
  color: var(--token-text-secondary);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-wide);
  text-align: center;
  white-space: nowrap;
}

/* 存圖片按鈕 */
.share-modal__save-btn {
  display: block;
  width: 100%;
  padding: var(--sp-3) var(--sp-4);
  background: none;
  border: 1.5px solid var(--token-stroke-dark);
  border-radius: var(--r-md);
  font-family: 'Cubic 11', monospace;
  font-size: var(--fs-sm);
  color: var(--token-text-secondary);
  letter-spacing: var(--ls-wide);
  cursor: pointer;
  text-align: center;
  transition:
    border-color var(--dur-fast),
    color var(--dur-fast),
    background var(--dur-fast);
}

.share-modal__save-btn:hover {
  border-color: var(--token-stroke-main);
  color: var(--token-text-primary);
  background: rgba(92, 81, 102, 0.05);
}

.share-modal__save-btn:active {
  background: rgba(92, 81, 102, 0.1);
}

.share-modal__save-btn.is-loading {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}

/* ── 複製成功 Toast ── */
.share-toast {
  position: fixed;
  bottom: 88px;
  left: 50%;
  transform: translateX(-50%) translateY(12px);
  background: rgba(34, 34, 34, 0.85);
  color: #ffffff;
  padding: var(--sp-2) var(--sp-5);
  border-radius: var(--r-full);
  font-size: var(--fs-sm);
  font-family: 'Cubic 11', monospace;
  letter-spacing: var(--ls-wide);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  z-index: 400;
  transition: opacity 0.22s var(--ease-out), transform 0.22s var(--ease-out);
}

.share-toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ════════════════════════════════════════════════════════════
   Single Card Page（message-card.html）
   ════════════════════════════════════════════════════════════ */

.card-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: calc(var(--header-height) + var(--sp-8));
  padding-bottom: var(--sp-10);
  min-height: 100dvh;
}

.card-page__inner {
  width: 100%;
  max-width: 480px;
  padding: 0 var(--sp-5);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.card-page__card {
  width: 100%;
  animation: cardFadeIn 0.4s var(--ease-out) both;
}

@keyframes cardFadeIn {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.card-page__loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-20) 0;
}

.card-page__error {
  padding: var(--sp-16) var(--sp-6);
}

.card-page__footer {
  margin-top: var(--sp-8);
  padding: 0 var(--sp-5);
  width: 100%;
  max-width: 480px;
}

.card-page__back-btn {
  display: block;
  width: 100%;
  text-align: center;
  padding: var(--sp-4) var(--sp-6);
  background: var(--token-btn-primary);
  color: var(--token-text-white);
  border-radius: var(--r-md);
  font-family: 'Cubic 11', monospace;
  font-size: var(--fs-base);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-wide);
  text-decoration: none;
  transition: opacity var(--dur-fast), transform var(--dur-fast);
}

.card-page__back-btn:hover  { opacity: 0.88; }
.card-page__back-btn:active { transform: scale(0.97); }

/* ── Honeypot 隱藏欄位 ── */
.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

/* ── FAB Cooldown 狀態 ── */
.fab.is-cooldown {
  opacity: 0.55;
  cursor: not-allowed;
}

.fab.is-cooldown .fab__label {
  font-variant-numeric: tabular-nums;
  letter-spacing: 0;
}