/* by yuyu */

/* ============================================
   bug-feedback.css - Bug 反馈页面
   （依赖 tutorial.css 提供的主题变量、导航栏、按钮、footer 样式）
   ============================================ */

/* ---------- 反馈卡片主题渐变（不透明，仅轻微渐变） ---------- */
:root {
  --bf-grad-from: #1f1f2a;
  --bf-grad-to: #14141d;
  --bf-card-border: rgba(255, 255, 255, 0.1);
}
[data-theme="light"] {
  --bf-grad-from: #ffffff;
  --bf-grad-to: #eef0f6;
  --bf-card-border: rgba(0, 0, 0, 0.08);
}
[data-theme="orange"] {
  --bf-grad-from: #ff7d28;
  --bf-grad-to: #ff6a12;
  --bf-card-border: rgba(255, 255, 255, 0.28);
}

/* ---------- 页面骨架 ---------- */
.bf-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

.bf-hero {
  text-align: center;
  padding: 72px 20px 26px;
  position: relative;
}

.bf-hero-title {
  font-size: clamp(30px, 6vw, 46px);
  font-weight: 800;
  letter-spacing: 1px;
  background: var(--accent-gradient, linear-gradient(135deg, #00d4ff, #7b2ff7));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  margin-bottom: 6px;
}

.bf-hero-en {
  font-size: 14px;
  letter-spacing: 5px;
  color: var(--text-muted, #6a6a7a);
  text-transform: uppercase;
  margin-bottom: 14px;
}

.bf-hero-text {
  max-width: 620px;
  margin: 0 auto;
  color: var(--text-secondary, #a0a0b0);
  font-size: 14px;
  line-height: 1.8;
}

.hero-divider {
  width: 60px;
  height: 3px;
  border-radius: 3px;
  margin: 22px auto 0;
  background: var(--accent-gradient, linear-gradient(135deg, #00d4ff, #7b2ff7));
}

/* ---------- 布局：表单左 / 列表右（窄屏堆叠） ---------- */
.bf-section {
  flex: 1;
  width: min(1180px, 94%);
  margin: 0 auto;
  padding: 10px 0 40px;
  display: grid;
  grid-template-columns: minmax(300px, 400px) 1fr;
  gap: 22px;
  align-items: start;
}

@media (max-width: 820px) {
  .bf-section { grid-template-columns: 1fr; }
}

/* ---------- 面板玻璃容器 ---------- */
.bf-panel {
  background: var(--glass-bg, rgba(255,255,255,.04));
  border: 1px solid var(--glass-border, rgba(255,255,255,.1));
  border-radius: 20px;
  padding: 22px;
  box-shadow: 0 14px 40px var(--glass-shadow, rgba(0,0,0,.3));
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.bf-panel-title {
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 18px;
  color: var(--text-primary, #f0f0f5);
  display: flex;
  align-items: center;
  gap: 8px;
}

.bf-panel-title::before {
  content: '';
  width: 4px;
  height: 18px;
  border-radius: 4px;
  background: var(--accent-gradient, linear-gradient(135deg, #00d4ff, #7b2ff7));
}

/* ---------- 表单 ---------- */
.bf-field { display: block; margin-bottom: 16px; }

.bf-field-label {
  display: block;
  font-size: 13px;
  color: var(--text-secondary, #a0a0b0);
  margin-bottom: 6px;
  font-weight: 600;
}

.bf-input {
  width: 100%;
  padding: 12px 14px;
  font-size: 14px;
  color: var(--text-primary, #f0f0f5);
  background: var(--bg-card, rgba(255,255,255,.05));
  border: 1px solid var(--border-color, rgba(255,255,255,.08));
  border-radius: 12px;
  outline: none;
  transition: border-color .25s, box-shadow .25s, background .25s;
  font-family: inherit;
}

.bf-input:focus {
  border-color: var(--accent, #00d4ff);
  box-shadow: 0 0 0 3px var(--accent-glow, rgba(0,212,255,.18));
}

.bf-textarea { resize: vertical; min-height: 96px; line-height: 1.6; }

.bf-input::placeholder { color: var(--text-muted, #6a6a7a); }

.bf-form-actions { margin-top: 4px; }

.bf-submit-btn {
  width: 100%;
  padding: 13px;
  border: none;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 700;
  color: var(--badge-text, #ffffff);
  background: var(--badge-bg, linear-gradient(135deg, #00d4ff, #7b2ff7));
  cursor: pointer;
  transition: transform .18s ease, filter .25s ease, box-shadow .25s ease;
  box-shadow: 0 10px 26px var(--accent-glow, rgba(0,212,255,.25));
}

.bf-submit-btn:hover { filter: brightness(1.1); transform: translateY(-1px); }
.bf-submit-btn:active { transform: translateY(0) scale(.98); }

/* 提交状态 */
.bf-status { min-height: 20px; margin: 12px 0 0; font-size: 13px; text-align: center; }
.bf-status.ok { color: #34c759; }
.bf-status.error { color: #e5484d; }

/* ---------- 列表头部 ---------- */
.bf-list-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.bf-list-head .bf-panel-title { margin-bottom: 0; }

.bf-count {
  font-size: 13px;
  color: var(--text-muted, #6a6a7a);
  background: var(--bg-card, rgba(255,255,255,.05));
  border: 1px solid var(--border-color, rgba(255,255,255,.08));
  padding: 4px 12px;
  border-radius: 999px;
  white-space: nowrap;
}

/* ---------- 筛选 ---------- */
.bf-filter {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.bf-filter-btn {
  padding: 7px 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary, #a0a0b0);
  background: var(--bg-card, rgba(255,255,255,.05));
  border: 1px solid var(--border-color, rgba(255,255,255,.08));
  border-radius: 999px;
  cursor: pointer;
  transition: all .22s ease;
}

.bf-filter-btn:hover { color: var(--text-primary, #f0f0f5); }

.bf-filter-btn.active {
  color: var(--badge-text, #ffffff);
  background: var(--badge-bg, linear-gradient(135deg, #00d4ff, #7b2ff7));
  border-color: transparent;
}

/* ---------- 查看器：上下渐隐 + 滑动翻找 ----------
   在固定高度窗口内纵向滚动，顶部与底部的卡片通过渐变遮罩渐隐，
   让人感觉「卡片在一定范围内浮现、上下两端淡出」，可上下滑动翻找。 */
.bf-viewer {
  position: relative;
  height: 520px;
  overflow-y: auto;
  padding: 26px 6px 26px 2px;
  scroll-behavior: smooth;
  /* 上下渐隐遮罩 */
  -webkit-mask-image: linear-gradient(
    to bottom,
    transparent 0,
    #000 46px,
    #000 calc(100% - 46px),
    transparent 100%
  );
  mask-image: linear-gradient(
    to bottom,
    transparent 0,
    #000 46px,
    #000 calc(100% - 46px),
    transparent 100%
  );
}

@media (max-width: 760px) { .bf-viewer { height: 440px; } }

/* 滚动条美化 */
.bf-viewer::-webkit-scrollbar { width: 5px; }
.bf-viewer::-webkit-scrollbar-track { background: transparent; }
.bf-viewer::-webkit-scrollbar-thumb { background: var(--accent, #00d4ff); border-radius: 4px; }

/* ---------- 反馈卡片 ---------- */
.bf-card {
  position: relative;
  /* 不透明，仅轻微渐变（不采用半透明背景） */
  background: linear-gradient(165deg, var(--bf-grad-from), var(--bf-grad-to));
  border: 1px solid var(--bf-card-border);
  border-radius: 16px;
  padding: 16px 18px;
  margin-bottom: 14px;
  box-shadow: 0 8px 24px var(--glass-shadow, rgba(0,0,0,.22));
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .5s cubic-bezier(.22,.61,.36,1), transform .5s cubic-bezier(.22,.61,.36,1);
  transition-delay: var(--bf-delay, 0s);
}

.bf-card.show { opacity: 1; transform: translateY(0); }

.bf-card-head {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 6px;
}

.bf-card-badge {
  font-size: 11px;
  font-weight: 700;
  padding: 2px 9px;
  border-radius: 999px;
  background: var(--badge-bg, linear-gradient(135deg, #00d4ff, #7b2ff7));
  color: var(--badge-text, #ffffff);
  flex-shrink: 0;
}

/* 自己提交的反馈用不同徽标色 */
.bf-card-badge[style*="--badge-self: true"] {
  background: linear-gradient(135deg, #34c759, #30b04f);
}

.bf-card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary, #f0f0f5);
  word-break: break-word;
}

.bf-card-detail {
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-secondary, #a0a0b0);
  word-break: break-word;
  white-space: pre-wrap;
  margin: 0 0 8px;
}

.bf-card-contact {
  font-size: 12px;
  color: var(--text-muted, #6a6a7a);
  margin-bottom: 8px;
  word-break: break-word;
}

.bf-card-meta {
  font-size: 12px;
  color: var(--text-muted, #6a6a7a);
  display: flex;
  align-items: center;
  gap: 6px;
}

.bf-card-meta::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent, #00d4ff);
  opacity: .7;
}

/* 卡片底部操作栏：时间 + 删除按钮 */
.bf-card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 10px;
}

/* 删除反馈按钮 */
.bf-del-btn {
  padding: 5px 14px;
  font-size: 12px;
  font-weight: 600;
  color: #ffffff;
  background: linear-gradient(135deg, #e5484d, #d0343a);
  border: none;
  border-radius: 999px;
  cursor: pointer;
  opacity: .82;
  transition: opacity .2s ease, transform .18s ease, box-shadow .2s ease;
  flex-shrink: 0;
}
.bf-del-btn:hover {
  opacity: 1;
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(229, 72, 77, 0.35);
}
.bf-del-btn:active {
  transform: translateY(0) scale(.97);
}

/* ---------- 空状态 ---------- */
.bf-empty {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted, #6a6a7a);
  font-size: 14px;
  text-align: center;
  padding: 24px;
}

/* ---------- 页脚 ---------- */
.bf-footer { margin-top: 40px; }

/* ---------- 多主题适配（跟随 tutorial.css 变量自动生效） ---------- */
[data-theme="light"] .bf-panel {
  box-shadow: 0 14px 40px rgba(0,0,0,.08);
}

/* ---------- 入场动画（页面淡入） ---------- */
.bf-section { animation: bfFadeUp .6s ease both; }
@keyframes bfFadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 敬请期待虚线预告卡片 */
.bf-coming-soon {
  margin: 18px 0 0;
  font-size: 13px;
  color: var(--text-muted, #6a6a7a);
  text-align: center;
}

/* ---------- 堆叠卡片（长按 + 拖动） ---------- */
.bf-viewer.bf-deck {
  touch-action: none; /* 阻止页面滚动，交由卡片拖动 */
  cursor: default;
  scroll-behavior: auto;
  /* 堆叠模式下隐藏垂直滚动条与上下渐隐遮罩 */
  overflow: hidden !important;
  -webkit-mask-image: none !important;
  mask-image: none !important;
}
/* 堆叠模式下彻底隐藏滚动条（右侧可上下移动的东西） */
.bf-viewer.bf-deck::-webkit-scrollbar { display: none; }
.bf-viewer.bf-deck { scrollbar-width: none; }
.bf-deck .bf-card {
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
/* 长按拖动时保持可点文字不被选中 */
.bf-deck .bf-card {
  -webkit-user-select: none;
  user-select: none;
  /* 堆叠卡片尽量偏方：约束宽度并在正中央（basic 卡片不受影响） */
  width: min(340px, 84%) !important;
  max-width: 360px;
  min-height: 300px;
  max-height: 380px;
  left: 0;
  right: 0;
  margin: 0 auto !important;
  border-radius: 18px;
  display: flex;
  flex-direction: column;
}
.bf-deck .bf-card .bf-card-detail {
  flex: 1 1 auto;
  overflow: hidden;
}
.bf-deck .bf-card .bf-card-foot {
  margin-top: auto;
}
.bf-deck .bf-del-btn {
  pointer-events: auto; /* 删除按钮可独立点击 */
  position: relative;
  z-index: 20;
}

/* ---------- 删除密码弹窗 ---------- */
.bf-mod-overlay {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity .2s ease;
}
.bf-mod-overlay.show { opacity: 1; }

.bf-mod-box {
  width: min(340px, 90%);
  padding: 24px 22px 20px;
  border-radius: 18px;
  background: linear-gradient(165deg, var(--bf-grad-from), var(--bf-grad-to));
  border: 1px solid var(--bf-card-border);
  box-shadow: 0 20px 60px var(--glass-shadow, rgba(0,0,0,.4));
  transform: translateY(14px) scale(.96);
  transition: transform .22s cubic-bezier(.22,.61,.36,1);
}
.bf-mod-overlay.show .bf-mod-box { transform: translateY(0) scale(1); }

.bf-mod-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary, #f0f0f5);
  margin-bottom: 16px;
  text-align: center;
}

.bf-mod-input {
  text-align: center;
  letter-spacing: 2px;
  font-size: 16px;
}

.bf-mod-error {
  min-height: 18px;
  font-size: 13px;
  color: #e5484d;
  text-align: center;
  margin: 10px 0 4px;
}

.bf-mod-actions {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}
.bf-mod-btn {
  flex: 1;
  padding: 11px;
  border: none;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: filter .2s ease, transform .15s ease;
}
.bf-mod-cancel {
  color: var(--text-primary, #f0f0f5);
  background: var(--bg-card-hover, rgba(255,255,255,.12));
  border: 1px solid var(--border-color, rgba(255,255,255,.12));
}
.bf-mod-ok {
  color: #ffffff;
  background: linear-gradient(135deg, #e5484d, #d0343a);
}
.bf-mod-btn:hover { filter: brightness(1.1); }
.bf-mod-btn:active { transform: scale(.97); }

/* by yuyu */