/* ============================================================
 * 书阁分享 · 网页版样式
 * 色值严格对齐 Flutter 版 lib/config/palette.dart，保证两端视觉一致。
 * ============================================================ */

:root {
  /* —— Palette.dart 对应色值 —— */
  --primary: #4F6EF7;        /* 主色 */
  --page-bg: #F5F6FA;        /* 页面背景 */
  --title-dark: #2B2F3A;     /* 标题深色 */
  --body: #303133;           /* 正文 */
  --body-soft: #5C6370;      /* 次要正文 */
  --muted: #8A8F99;          /* 次要灰 */
  --muted-light: #A2A7B0;    /* 更弱灰 */
  --placeholder: #B0B3BA;    /* 占位灰 */
  --danger: #E05D5D;         /* 错误红 */
  --code-bg: #FFF7EC;        /* 提取码区底色 */
  --code-label: #8A6A3C;     /* 提取码标签色 */
  --code-value: #C46A0A;     /* 提取码数值色 */
  --quark: #2B6CFF;          /* 夸克品牌蓝 */

  --radius-card: 12px;
  --radius-box: 10px;
  --radius-hero: 14px;
  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.05);
  --shadow-section: 0 2px 8px rgba(0, 0, 0, 0.04);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body { height: 100%; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC",
    "HarmonyOS Sans SC", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
  background: #E9EBF2; /* 桌面端手机壳外的底色 */
  color: var(--body);
  -webkit-font-smoothing: antialiased;
}

button { font-family: inherit; border: none; background: none; cursor: pointer; }

/* ============ 应用外壳 ============ */
#app {
  max-width: 640px;
  margin: 0 auto;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--page-bg);
  box-shadow: 0 0 24px rgba(0, 0, 0, 0.08);
}

/* 手机端顶部安全区（刘海屏） */
@supports (padding: env(safe-area-inset-top)) {
  #topbar { padding-top: calc(14px + env(safe-area-inset-top)); }
}

#view { flex: 1; display: flex; flex-direction: column; }

/* ============ 顶栏 ============ */
#topbar {
  background: var(--primary);
  color: #fff;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 4px;
  position: sticky;
  top: 0;
  z-index: 20;
}

#topbar .topbar-title {
  font-size: 20px;
  font-weight: 700;
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

#topbar .topbar-title.sub {
  font-size: 17px;
  font-weight: 600;
}

.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  flex-shrink: 0;
  transition: background 0.15s;
}

.icon-btn:hover { background: rgba(255, 255, 255, 0.15); }
.icon-btn:active { background: rgba(255, 255, 255, 0.25); }
.icon-btn svg { width: 22px; height: 22px; }

/* ============ 底部导航 ============ */
#tabbar {
  background: #fff;
  display: flex;
  border-top: 1px solid #EDEFF4;
  position: sticky;
  bottom: 0;
  z-index: 20;
  padding-bottom: env(safe-area-inset-bottom);
}

#tabbar.hidden { display: none; }

.tab {
  flex: 1;
  padding: 7px 0 9px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  color: var(--muted);
  transition: color 0.15s;
}

.tab .tab-icon { width: 24px; height: 24px; }
.tab .icon-filled { display: none; }
.tab.active { color: var(--primary); }
.tab.active .icon-outline { display: none; }
.tab.active .icon-filled { display: block; }

.tab-label { font-size: 11px; }

/* ============ 首页：搜索栏 ============ */
.search-wrap {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.25s ease-in-out;
  background: var(--page-bg);
}

.search-wrap.open { max-height: 60px; }

.search-box {
  margin: 8px 16px 4px;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.04);
  display: flex;
  align-items: center;
  padding: 4px 12px;
  gap: 8px;
}

.search-box svg { width: 17px; height: 17px; color: var(--placeholder); flex-shrink: 0; }

.search-box input {
  flex: 1;
  min-width: 0;
  border: none;
  outline: none;
  background: none;
  font-size: 15px;
  color: var(--body);
  padding: 9px 0;
}

.search-box input::placeholder { color: var(--placeholder); }

.search-clear {
  color: var(--placeholder);
  display: none;
  flex-shrink: 0;
  padding: 4px;
}

.search-clear svg { width: 15px; height: 15px; }
.search-box.has-keyword .search-clear { display: inline-flex; }

/* ============ 首页：统计条 ============ */
.meta-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 20px 6px;
}

.meta-text {
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chip {
  background: rgba(79, 110, 247, 0.08);
  color: var(--primary);
  font-size: 12px;
  padding: 4px 12px;
  border-radius: 999px;
  flex-shrink: 0;
  transition: opacity 0.15s;
}

.chip:active { opacity: 0.7; }
.chip:disabled { opacity: 0.5; cursor: default; }

/* ============ 首页：瀑布流 ============ */
.masonry {
  columns: 2;
  column-gap: 10px;
  padding: 8px 16px 24px;
}

/* —— 响应式断点 —— */

/* 平板 / 窄桌面：3 列 */
@media (min-width: 480px) { .masonry { columns: 3; } }

/* 桌面：容器放宽 + 4 列，触控目标与字号微调 */
@media (min-width: 768px) {
  #app { max-width: 960px; }
  .masonry { columns: 4; column-gap: 12px; padding: 12px 24px 32px; }
  .card { margin-bottom: 12px; }
  .card-cover { height: 104px; }
  .card-title { font-size: 15px; }
  .meta-bar { padding: 10px 28px 8px; }
  .meta-text { font-size: 13px; }
  .search-box input, .info-row, .menu-item .mi-label, .form-label { font-size: 16px; }
}

/* 大屏桌面：5 列 */
@media (min-width: 1200px) {
  #app { max-width: 1200px; }
  .masonry { columns: 5; }
}

/* 桌面端子页面：内容限宽居中，避免拉伸过宽 */
@media (min-width: 768px) {
  .detail-body, .form-body, .mine-body {
    max-width: 760px;
    width: 100%;
    margin: 0 auto;
  }
}

.card {
  break-inside: avoid;
  margin-bottom: 10px;
  background: #fff;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.12s ease-out;
}

.card:active { transform: scale(0.98); }

.card-cover {
  height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-cover .cover-char {
  color: rgba(255, 255, 255, 0.9);
  font-size: 32px;
  font-weight: 700;
}

/* 6 套封面渐变 —— 顺序必须与 palette.dart coverGradients 完全一致 */
.c0 { background: linear-gradient(135deg, #4F6EF7, #7B9BFF); }
.c1 { background: linear-gradient(135deg, #FF7A9E, #FFA8C5); }
.c2 { background: linear-gradient(135deg, #2BC4A8, #63E0C8); }
.c3 { background: linear-gradient(135deg, #FFA940, #FFC878); }
.c4 { background: linear-gradient(135deg, #9D6BF5, #C1A0FF); }
.c5 { background: linear-gradient(135deg, #3EC1D3, #7FDBE8); }

.card-body { padding: 10px 11px 12px; }

.card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--title-dark);
  line-height: 1.25;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  word-break: break-all;
}

.card-meta {
  margin-top: 8px;
  display: flex;
  justify-content: space-between;
  gap: 4px;
  font-size: 11px;
  color: var(--muted-light);
}

.card-meta .size { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.card-meta .date { flex-shrink: 0; }

/* ============ 状态块（加载 / 出错 / 空态） ============ */
.status-box {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 20px;
  text-align: center;
  gap: 12px;
  min-height: 320px;
}

.status-box .msg {
  font-size: 15px;
  line-height: 1.5;
  color: var(--muted);
}

.status-box.error .msg { color: var(--danger); }

.status-box .emoji { font-size: 40px; }

.spinner {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 3px solid #E3E6F0;
  border-top-color: var(--primary);
  animation: spin 0.8s linear infinite;
}

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

.retry-btn {
  background: var(--primary);
  color: #fff;
  font-size: 15px;
  padding: 8px 24px;
  border-radius: 999px;
  margin-top: 4px;
}

/* ============ 详情页 ============ */
.detail-body { padding: 16px; display: flex; flex-direction: column; gap: 16px; }

.hero {
  padding: 30px 20px;
  border-radius: var(--radius-hero);
  color: #fff;
}

.hero .badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  padding: 3px 10px;
  font-size: 11px;
}

.hero .hero-title {
  margin-top: 10px;
  font-size: 22px;
  font-weight: 700;
  line-height: 1.4;
  word-break: break-all;
}

.section {
  background: #fff;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-section);
  padding: 14px 15px;
}

.section-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--title-dark);
  margin-bottom: 10px;
}

.info-row {
  display: flex;
  padding: 7px 0;
  font-size: 15px;
  line-height: 1.5;
}

.info-row .label {
  width: 55px;
  flex-shrink: 0;
  color: var(--muted);
}

.info-row .value { color: var(--body); word-break: break-all; }
.info-row .value.strong { font-weight: 600; }

.link-box {
  background: var(--page-bg);
  border-radius: var(--radius-box);
  padding: 11px 12px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--primary);
  word-break: break-all;
}

.btn-row { display: flex; gap: 10px; margin-top: 12px; }

.pill-btn {
  flex: 1;
  padding: 9px 16px;
  border-radius: 999px;
  color: #fff;
  font-size: 14px;
  text-align: center;
  background: var(--primary);
  transition: opacity 0.15s, transform 0.12s;
}

.pill-btn:active { transform: scale(0.97); }
.pill-btn:disabled { opacity: 0.5; cursor: default; }
.pill-btn.quark { background: var(--quark); }
.pill-btn.code { background: var(--code-value); }
.pill-btn.full { width: 100%; }

.tip {
  font-size: 11px;
  color: var(--muted-light);
  line-height: 1.6;
  margin-top: 9px;
}

.feedback-btn {
  width: 100%;
  margin-top: 9px;
  padding: 8px 0;
  background: #fff;
  border: 1px solid var(--danger);
  border-radius: 999px;
  color: var(--danger);
  font-size: 14px;
  transition: opacity 0.15s;
}

.feedback-btn:disabled { opacity: 0.5; }

/* 提取码区 */
.code-box {
  background: var(--code-bg);
  border-radius: var(--radius-box);
  padding: 13px 14px;
}

.code-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.code-row .label { font-size: 14px; color: var(--code-label); }
.code-row .value {
  font-size: 20px;
  font-weight: 700;
  color: var(--code-value);
  letter-spacing: 3px;
}

.code-box .pill-btn { margin-top: 12px; }

/* ============ 反馈页 ============ */
.form-body { padding: 16px; display: flex; flex-direction: column; gap: 16px; }

.form-card {
  background: #fff;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-section);
  padding: 15px;
}

.form-label {
  font-size: 15px;
  font-weight: 600;
  color: var(--title-dark);
}

textarea.feedback-input {
  width: 100%;
  border: none;
  outline: none;
  resize: none;
  font-family: inherit;
  font-size: 15px;
  line-height: 1.5;
  color: var(--body);
  min-height: 120px;
  margin-top: 10px;
}

textarea.feedback-input::placeholder { color: var(--placeholder); }

.char-count {
  text-align: right;
  font-size: 11px;
  color: var(--muted-light);
  margin-top: 6px;
}

.contact-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.contact-row .form-label { flex-shrink: 0; }

.contact-row input {
  flex: 1;
  min-width: 0;
  border: none;
  outline: none;
  font-size: 15px;
  color: var(--body);
  padding: 8px 0;
}

.contact-row input::placeholder { color: var(--placeholder); }

.submit-btn {
  height: 44px;
  border-radius: 999px;
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  background: var(--primary);
  transition: opacity 0.15s;
}

.submit-btn:disabled { background: var(--muted-light); cursor: default; }

/* ============ 我的页 ============ */
.mine-body { padding: 16px; display: flex; flex-direction: column; gap: 16px; }

.user-card {
  padding: 15px;
  border-radius: var(--radius-hero);
  color: #fff;
  display: flex;
  align-items: center;
  gap: 13px;
}

.avatar {
  width: 55px;
  height: 55px;
  border-radius: 50%;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.avatar svg { width: 30px; height: 30px; color: var(--primary); }

.user-card .name { font-size: 17px; font-weight: 700; }
.user-card .sub {
  margin-top: 4px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.85);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.menu {
  background: #fff;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-section);
  overflow: hidden;
}

.menu-item {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 17px 15px;
  text-align: left;
  transition: background 0.12s;
}

.menu-item:hover { background: #FAFBFF; }
.menu-item:active { background: #F2F4FB; }

.menu-item + .menu-item { border-top: 1px solid #F0F2F7; }

.menu-item .mi-icon { width: 20px; height: 20px; color: var(--primary); flex-shrink: 0; }
.menu-item .mi-label { flex: 1; font-size: 15px; color: var(--title-dark); }
.menu-item .mi-trailing { font-size: 13px; color: var(--muted); }

/* ============ 建设中占位（分享 tab） ============ */
.placeholder-box {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 30px;
  gap: 10px;
  text-align: center;
}

.placeholder-box .ph-icon { font-size: 44px; opacity: 0.5; }
.placeholder-box .ph-title { font-size: 17px; font-weight: 600; color: var(--title-dark); }
.placeholder-box .ph-sub { font-size: 14px; color: var(--muted); }

/* ============ 更新日志页 ============ */
.log-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 760px;
  width: 100%;
  margin: 0 auto;
}

.log-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 80px 0;
}

.log-loading .msg { font-size: 15px; color: var(--muted); }

.log-appname {
  font-size: 13px;
  color: var(--muted);
  text-align: center;
}

.log-release {
  background: #fff;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-section);
  padding: 14px 15px;
}

.log-ver {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid #F0F2F7;
  margin-bottom: 4px;
}

.log-version {
  font-size: 17px;
  font-weight: 700;
  color: var(--primary);
}

.log-date { font-size: 13px; color: var(--muted); }

.log-item {
  display: flex;
  gap: 10px;
  padding: 10px 0;
  align-items: flex-start;
}

.log-type {
  flex-shrink: 0;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 999px;
  margin-top: 2px;
  color: #fff;
}

.log-add  { background: #2BC4A8; }  /* 新增：青 */
.log-opt  { background: var(--primary); } /* 优化：主蓝 */
.log-fix  { background: #FFA940; }  /* 修复：橙 */
.log-del  { background: var(--danger); }  /* 移除：红 */

.log-main { flex: 1; min-width: 0; }
.log-name { font-size: 15px; font-weight: 600; color: var(--title-dark); }
.log-desc { margin-top: 4px; font-size: 13px; color: var(--body-soft); line-height: 1.6; word-break: break-word; }
.log-scope { margin-top: 4px; font-size: 11px; color: var(--muted-light); }

.log-footer {
  text-align: center;
  font-size: 11px;
  color: var(--muted-light);
  padding: 8px 0 12px;
}

/* ============ Toast ============ */
#toast {
  position: fixed;
  left: 50%;
  bottom: 88px;
  transform: translateX(-50%) translateY(8px);
  background: rgba(43, 47, 58, 0.92);
  color: #fff;
  font-size: 14px;
  padding: 10px 18px;
  border-radius: 999px;
  max-width: 80vw;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  z-index: 100;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ============ 模态框 ============ */
.modal-mask {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
  z-index: 90;
  animation: fadeIn 0.15s;
}

.modal-card {
  background: #fff;
  border-radius: var(--radius-card);
  max-width: 340px;
  width: 100%;
  padding: 20px;
  animation: popIn 0.18s;
}

.modal-card .modal-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--title-dark);
}

.modal-card .modal-content {
  margin-top: 12px;
  font-size: 15px;
  line-height: 1.55;
  color: var(--body);
  word-break: break-all;
  white-space: pre-wrap;
}

.modal-actions {
  margin-top: 18px;
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.modal-actions button {
  font-size: 15px;
  padding: 8px 14px;
  border-radius: 8px;
}

.modal-actions .btn-cancel { color: var(--muted); }
.modal-actions .btn-cancel:hover { background: #F2F4F8; }

.modal-actions .btn-confirm { color: var(--danger); font-weight: 600; }
.modal-actions .btn-confirm:hover { background: #FDF1F1; }

@keyframes fadeIn { from { opacity: 0; } }
@keyframes popIn { from { opacity: 0; transform: scale(0.92); } }