/* ==========================================================================
   ceremony.css — 篇章通用组件（所有篇章都可复用，子代理请直接使用这些类）
   命名：.c-* 为通用组件，避免与各章前缀冲突
   ========================================================================== */

/* ---------------------------------------------------------- 篇章标题 */
.c-title {
  font-size: clamp(26px, 3.6vw, 52px);
  font-weight: 800;
  letter-spacing: 0.16em;
  text-indent: 0.16em;
  text-align: center;
  filter: drop-shadow(0 4px 18px rgba(212, 175, 55, 0.3));
  margin: 0;
  color: #f0c74a;
  text-shadow:
    0 1px 0 rgba(255, 255, 255, 0.55),
    0 -1px 0 rgba(120, 84, 8, 0.45),
    0 0 22px rgba(255, 200, 70, 0.32);
}

.c-subtitle {
  margin-top: 14px;
  font-size: clamp(14px, 1.5vw, 22px);
  letter-spacing: 0.24em;
  text-align: center;
  color: var(--text-dim);
}

/* 标题下的金色分隔线 */
.c-rule {
  width: 180px; height: 1px;
  margin: 22px auto;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  position: relative;
}
.c-rule::after {
  content: '';
  position: absolute; left: 50%; top: 50%;
  width: 6px; height: 6px;
  transform: translate(-50%, -50%) rotate(45deg);
  background: var(--gold);
  box-shadow: 0 0 10px var(--gold);
}

/* ---------------------------------------------------------- 篇章容器布局 */
.c-wrap {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 6vh 5vw 10vh;
}

.c-head { text-align: center; margin-bottom: 3vh; flex: none; }

.c-body {
  flex: 1 1 auto;
  width: 100%;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---------------------------------------------------------- 通用按钮 */
.c-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  font-size: clamp(14px, 1.15vw, 17px);
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--gold-lt);
  background: rgba(212, 175, 55, 0.08);
  border: 1px solid rgba(212, 175, 55, 0.55);
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.25s ease;
  backdrop-filter: blur(4px);
  white-space: nowrap;
}
.c-btn:hover {
  background: rgba(212, 175, 55, 0.2);
  border-color: var(--gold-lt);
  box-shadow: 0 0 26px rgba(212, 175, 55, 0.35);
  transform: translateY(-2px);
}
.c-btn:active { transform: translateY(0) scale(0.98); }
.c-btn[disabled] { opacity: 0.4; cursor: not-allowed; transform: none; }

.c-btn--primary {
  color: #0a0a0a;
  background: linear-gradient(135deg, var(--gold-lt), var(--gold));
  border-color: var(--gold-lt);
}
.c-btn--primary:hover { box-shadow: 0 0 34px rgba(212, 175, 55, 0.6); }

.c-btn--plain {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.18);
}
.c-btn--plain:hover { background: rgba(255, 255, 255, 0.12); box-shadow: none; }

.c-btn--danger { color: #ffd9d9; border-color: rgba(224, 90, 90, 0.6); background: rgba(224, 90, 90, 0.1); }
.c-btn--danger:hover { background: rgba(224, 90, 90, 0.22); box-shadow: 0 0 22px rgba(224, 90, 90, 0.35); }

/* 右下角「继续下一章」按钮（第 8/10 章用） */
.c-next {
  position: absolute;
  right: 28px;
  bottom: 58px;
  z-index: 40;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
  pointer-events: none;
}
.c-next.show { opacity: 1; transform: translateY(0); pointer-events: auto; }

/* 左下角「我也要留言」按钮 */
.c-bottom-left {
  position: absolute;
  left: 28px;
  bottom: 58px;
  z-index: 40;
}

/* ---------------------------------------------------------- 卡片 */
.c-card {
  padding: 22px 26px;
  background: linear-gradient(160deg, rgba(20, 24, 34, 0.92), rgba(11, 13, 19, 0.92));
  border: 1px solid rgba(212, 175, 55, 0.26);
  border-radius: 14px;
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.5);
}

/* ---------------------------------------------------------- 弹层 / 表单 */
.c-overlay {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(3, 4, 7, 0.78);
  backdrop-filter: blur(5px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}
.c-overlay.open { opacity: 1; visibility: visible; }

.c-modal {
  width: min(560px, 92vw);
  max-height: 88vh;
  overflow: auto;
  padding: 26px 28px 24px;
  background: linear-gradient(170deg, #141822, #0a0c12);
  border: 1px solid rgba(212, 175, 55, 0.32);
  border-radius: 16px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.72);
  transform: translateY(18px) scale(0.98);
  transition: transform 0.32s cubic-bezier(0.22, 1, 0.36, 1);
}
.c-overlay.open .c-modal { transform: translateY(0) scale(1); }

.c-modal h3 {
  margin: 0 0 20px;
  font-size: 21px;
  color: var(--gold);
  letter-spacing: 0.12em;
  text-align: center;
}

.c-field { margin-bottom: 16px; }
.c-field > label {
  display: block;
  margin-bottom: 7px;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}

.c-input, .c-select, .c-textarea {
  width: 100%;
  padding: 11px 14px;
  font-size: 15px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 9px;
  outline: none;
  transition: border-color 0.22s, box-shadow 0.22s;
}
.c-input:focus, .c-select:focus, .c-textarea:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.14);
}
.c-textarea { min-height: 104px; resize: vertical; line-height: 1.6; }
.c-select option { background: #141822; color: var(--text); }

.c-counter { margin-top: 6px; font-size: 12px; color: var(--text-dim); text-align: right; }
.c-counter.over { color: var(--danger); }

.c-actions { display: flex; gap: 12px; justify-content: flex-end; margin-top: 22px; }

/* 单选按钮组（身份选择） */
.c-radio-group { display: flex; gap: 10px; }
.c-radio {
  flex: 1;
  position: relative;
  padding: 11px 8px;
  text-align: center;
  font-size: 14px;
  color: var(--text-dim);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 9px;
  cursor: pointer;
  transition: all 0.22s;
  user-select: none;
}
.c-radio input { position: absolute; opacity: 0; pointer-events: none; }
.c-radio:hover { border-color: rgba(212, 175, 55, 0.5); }
.c-radio.on {
  color: #0a0a0a;
  background: linear-gradient(135deg, var(--gold-lt), var(--gold));
  border-color: var(--gold-lt);
  font-weight: 700;
}

/* ---------------------------------------------------------- 动画工具类 */
.c-fade-in  { animation: cFadeIn 0.7s ease both; }
.c-fade-up  { animation: cFadeUp 0.7s cubic-bezier(0.22, 1, 0.36, 1) both; }
.c-zoom-in  { animation: cZoomIn 0.6s cubic-bezier(0.22, 1, 0.36, 1) both; }
.c-slide-l  { animation: cSlideL 0.7s cubic-bezier(0.22, 1, 0.36, 1) both; }
.c-slide-r  { animation: cSlideR 0.7s cubic-bezier(0.22, 1, 0.36, 1) both; }

@keyframes cFadeIn  { from { opacity: 0; } to { opacity: 1; } }
@keyframes cFadeUp  { from { opacity: 0; transform: translateY(28px); } to { opacity: 1; transform: none; } }
@keyframes cZoomIn  { from { opacity: 0; transform: scale(0.82); } to { opacity: 1; transform: none; } }
@keyframes cSlideL  { from { opacity: 0; transform: translateX(-52px); } to { opacity: 1; transform: none; } }
@keyframes cSlideR  { from { opacity: 0; transform: translateX(52px); } to { opacity: 1; transform: none; } }

/* 金色发光呼吸 */
.c-glow { animation: cGlow 2.4s ease-in-out infinite; }
@keyframes cGlow {
  0%, 100% { filter: drop-shadow(0 0 6px rgba(212, 175, 55, 0.35)); }
  50%      { filter: drop-shadow(0 0 20px rgba(212, 175, 55, 0.85)); }
}

/* 打字机光标 */
.c-caret::after {
  content: '▍';
  color: var(--gold);
  animation: blink 0.9s step-end infinite;
}

/* 空状态提示 */
.c-empty {
  text-align: center;
  color: var(--text-dim);
  font-size: 15px;
  letter-spacing: 0.12em;
  padding: 40px 20px;
}