/* ================== 留言板页面 ================== */

/* ===== 页面容器 ===== */
.message-page {
  max-width: 700px;
  margin: 0 auto;
  padding: 32px 16px 80px;
  font-family: inherit;
}

/* ===== 页面标题区 ===== */
.msg-hero { text-align: center; padding: 20px 0 36px; }
.msg-hero h1 {
  font-size: 1.9rem;
  font-weight: 700;
  margin: 0 0 8px;
  background: linear-gradient(135deg, var(--accent), #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.msg-hero p { color: var(--secondary); font-size: 0.95rem; margin: 0; opacity: 0.75; }

/* ===== 分割区 ===== */
.msg-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 36px 0;
  color: var(--border);
  opacity: 0.6;
  font-size: 0.85rem;
  letter-spacing: 0.15em;
}
.msg-divider::before, .msg-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
  opacity: 0.5;
}

/* ===== 毛玻璃便当盒卡片 ===== */
.msg-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 28px 32px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
  transition: box-shadow 0.3s ease;
}
.msg-card:hover { box-shadow: 0 8px 32px rgba(0,0,0,0.1); }

/* ===== 联系卡片区 ===== */
.contact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; margin-bottom: 8px; }
.contact-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 16px;
  text-align: center;
  backdrop-filter: blur(8px);
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.25s ease;
}
.contact-card:hover { transform: translateY(-3px); box-shadow: 0 6px 20px rgba(0,0,0,0.1); }
.contact-icon { font-size: 26px; margin-bottom: 8px; }
.contact-title { font-weight: 600; font-size: 0.88rem; margin-bottom: 4px; color: var(--text-high); }
.contact-info { font-size: 0.78rem; opacity: 0.6; }

/* ===== 分区标签 ===== */
.msg-section-label {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--secondary);
  opacity: 0.55;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.msg-section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
  opacity: 0.4;
}

/* ===== 表单样式 ===== */
.msg-form { display: flex; flex-direction: column; gap: 14px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.input-wrap { position: relative; }
.input-wrap input, .msg-form textarea {
  width: 100%;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 11px 14px;
  font-size: 0.9rem;
  color: var(--text-high);
  font-family: inherit;
  outline: none;
  transition: border-color 0.25s, box-shadow 0.25s, background 0.25s;
  box-sizing: border-box;
  backdrop-filter: blur(6px);
}
.input-wrap input::placeholder, .msg-form textarea::placeholder { color: var(--secondary); opacity: 0.45; }
.input-wrap input:focus, .msg-form textarea:focus {
  border-color: var(--accent);
  background: rgba(255,255,255,0.1);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.12);
}
.msg-form textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.7;
  background-image: repeating-linear-gradient(transparent, transparent 27px, var(--border) 27px, var(--border) 28px);
  background-position: 0 11px;
  background-size: 100% 28px;
  padding-top: 14px;
}

/* ===== 提交按钮 ===== */
.msg-submit {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 50px;
  padding: 12px 32px;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
  align-self: flex-end;
  font-family: inherit;
  letter-spacing: 0.03em;
}
.msg-submit:hover {
  background: var(--theme-color);
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 6px 20px rgba(99,102,241,0.35);
}
.msg-submit:active { transform: translateY(0) scale(0.98); }

/* ===== 留言列表 ===== */
.msg-list { display: flex; flex-direction: column; gap: 14px; margin-top: 28px; }
.msg-item {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px 22px;
  backdrop-filter: blur(8px);
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.25s;
  animation: msgSlideIn 0.4s cubic-bezier(0.34, 1.2, 0.64, 1) both;
}
.msg-item:hover { transform: translateY(-2px); box-shadow: 0 4px 16px rgba(0,0,0,0.08); }
@keyframes msgSlideIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

.msg-item-header { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.msg-avatar {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #a78bfa);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: #fff;
  flex-shrink: 0;
}
.msg-avatar img { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; }
.msg-meta { flex: 1; min-width: 0; }
.msg-nickname { font-weight: 600; font-size: 0.9rem; color: var(--text-high); }
.msg-time { font-size: 0.75rem; opacity: 0.45; color: var(--secondary); }
.msg-body { font-size: 0.9rem; line-height: 1.75; color: var(--text); white-space: pre-wrap; word-break: break-word; }
.msg-item + .msg-item { border-top: 1px dashed var(--border); opacity: 0.85; }

/* ===== 子回复 ===== */
.msg-children { margin-top: 14px; padding-left: 18px; border-left: 2px solid var(--border); opacity: 0.75; }
.msg-reply-btn {
  background: none;
  border: none;
  color: var(--secondary);
  font-size: 0.78rem;
  cursor: pointer;
  padding: 4px 0;
  opacity: 0.6;
  transition: opacity 0.2s, color 0.2s;
  font-family: inherit;
}
.msg-reply-btn:hover { opacity: 1; color: var(--accent); }

/* ===== 空状态 ===== */
.msg-empty { text-align: center; padding: 48px 20px; color: var(--secondary); opacity: 0.5; }
.msg-empty-icon { font-size: 3rem; margin-bottom: 14px; display: block; }
.msg-empty p { font-size: 0.9rem; line-height: 1.7; margin: 0; }

/* ===== 浮动回顶部 ===== */
.msg-gotop {
  position: fixed;
  right: 28px; bottom: 32px;
  width: 42px; height: 42px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1rem;
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
  transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
  opacity: 0;
  pointer-events: none;
}
.msg-gotop.visible { opacity: 1; pointer-events: auto; }
.msg-gotop:hover { transform: translateY(-3px); background: var(--accent); color: #fff; }

/* ===== Twikoo 美化 ===== */
#post-comment { background: transparent; border: none; margin: 0; padding: 0; max-width: 700px; margin: 0 auto; }
.comment-head { display: none; }
.comment-wrap { background: transparent; border-radius: 0; padding: 0; }
#twikoo-wrap .tk-comments { margin-top: 0; }
#twikoo-wrap .tk-comments-container {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 24px 28px;
  backdrop-filter: blur(10px);
}
#twikoo-wrap .tk-comments-title {
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--secondary);
  opacity: 0.5;
  border-bottom: 1px solid var(--border);
  padding-bottom: 12px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}
#twikoo-wrap .tk-comments-title::after { content: ''; flex: 1; height: 1px; background: var(--border); opacity: 0.4; }
#twikoo-wrap .tk-comment {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 14px;
  padding: 16px 18px;
  margin-bottom: 14px;
  backdrop-filter: blur(8px);
  transition: transform 0.2s cubic-bezier(0.34,1.56,0.64,1), box-shadow 0.2s;
  box-shadow: none;
}
#twikoo-wrap .tk-comment:hover { transform: translateY(-2px); box-shadow: 0 4px 16px rgba(0,0,0,0.08); }
#twikoo-wrap .tk-comment .tk-avatar { border-radius: 50%; border: 2px solid rgba(99,102,241,0.3); width: 36px; height: 36px; }
#twikoo-wrap .tk-comment .tk-avatar img { border-radius: 50%; }
#twikoo-wrap .tk-comment .tk-nick { color: var(--text-high); font-weight: 600; font-size: 0.88rem; }
#twikoo-wrap .tk-comment .tk-time { color: var(--secondary); opacity: 0.45; font-size: 0.73rem; }
#twikoo-wrap .tk-comment .tk-content { color: var(--text); font-size: 0.9rem; line-height: 1.75; }
#twikoo-wrap .tk-comment .tk-content p { margin: 4px 0; }
#twikoo-wrap .tk-comment .tk-replies { margin-top: 10px; }
#twikoo-wrap .tk-comment .tk-reply { margin-top: 10px; }
#twikoo-wrap .tk-comment .tk-replies .tk-comment { background: rgba(255,255,255,0.02); border: 1px solid rgba(255,255,255,0.04); }
#twikoo-wrap .tk-input {
  background: rgba(255,255,255,0.06) !important;
  border: 1px solid var(--border) !important;
  border-radius: 10px !important;
  padding: 10px 14px !important;
  color: var(--text-high) !important;
  font-family: inherit !important;
  font-size: 0.9rem !important;
  backdrop-filter: blur(6px);
  transition: border-color 0.25s, box-shadow 0.25s, background 0.25s;
  outline: none;
  box-shadow: none !important;
}
#twikoo-wrap .tk-input:focus {
  border-color: var(--accent) !important;
  background: rgba(255,255,255,0.09) !important;
  box-shadow: 0 0 0 3px rgba(99,102,241,0.12) !important;
}
#twikoo-wrap .tk-input::placeholder { color: var(--secondary); opacity: 0.45; }
#twikoo-wrap .tk-textarea {
  background: rgba(255,255,255,0.06) !important;
  border: 1px solid var(--border) !important;
  border-radius: 10px !important;
  padding: 12px 14px !important;
  color: var(--text-high) !important;
  font-family: inherit !important;
  font-size: 0.9rem !important;
  line-height: 1.7;
  backdrop-filter: blur(6px);
  transition: border-color 0.25s, box-shadow 0.25s;
  outline: none;
  width: 100% !important;
  resize: vertical;
  min-height: 100px;
  box-shadow: none !important;
}
#twikoo-wrap .tk-textarea:focus {
  border-color: var(--accent) !important;
  background: rgba(255,255,255,0.09) !important;
  box-shadow: 0 0 0 3px rgba(99,102,241,0.12) !important;
}
#twikoo-wrap .tk-submit {
  background: var(--accent) !important;
  color: #fff !important;
  border: none !important;
  border-radius: 50px !important;
  padding: 10px 28px !important;
  font-size: 0.88rem !important;
  font-weight: 600 !important;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.34,1.56,0.64,1) !important;
  font-family: inherit !important;
  letter-spacing: 0.03em;
  box-shadow: none !important;
}
#twikoo-wrap .tk-submit:hover {
  background: var(--theme-color, #6366f1) !important;
  transform: translateY(-2px) scale(1.02) !important;
  box-shadow: 0 6px 20px rgba(99,102,241,0.35) !important;
}
#twikoo-wrap .tk-submit:active { transform: translateY(0) scale(0.98) !important; }
#twikoo-wrap .tk-action-btn {
  color: var(--secondary) !important;
  font-size: 0.78rem !important;
  opacity: 0.6;
  transition: opacity 0.2s, color 0.2s;
  border: none !important;
  background: none !important;
  border-radius: 20px !important;
  padding: 3px 10px !important;
}
#twikoo-wrap .tk-action-btn:hover { opacity: 1; color: var(--accent) !important; }
#twikoo-wrap .tk-msg { color: var(--text-high); font-size: 0.85rem; }
#twikoo-wrap .tk-loading { color: var(--secondary); opacity: 0.6; }
#twikoo-wrap .tk-empty { text-align: center; padding: 32px; color: var(--secondary); opacity: 0.5; font-size: 0.9rem; }

/* ===== 响应式 ===== */
@media (max-width: 600px) {
  .form-row { grid-template-columns: 1fr; }
  .msg-card { padding: 20px 18px; }
  .msg-hero h1 { font-size: 1.5rem; }
  .contact-grid { grid-template-columns: 1fr 1fr; }
}