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

:root {
  --font-serif: "Source Han Serif SC", "思源宋体", "Source Han Serif CN", "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --font-sans: var(--font-serif);
  --accent: #6f5b45;
  --accent-hover: #5a4632;
  --accent-warm: #c8943e;
  --accent-light: #ede5da;
  --accent-cream: #e0cfb5;
  --accent-deep: #2e2418;
  --bg: #f7f3f0;
  --bg-paper: #ebe5df;
  --bg-card: #ffffff;
  --ink: #2c2416;
  --ink-soft: #6b6155;
  --ink-hint: #968b7e;
  --border: rgba(94, 80, 63, 0.1);
  --border-strong: rgba(94, 80, 63, 0.18);
  --shadow-sm: 0 1px 3px rgba(94, 80, 63, 0.07), 0 0 0 0.5px rgba(94, 80, 63, 0.05);
  --shadow-md: 0 4px 20px rgba(94, 80, 63, 0.1);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-serif);
  -webkit-font-smoothing: antialiased;
  background: var(--bg);
  min-height: 100vh;
  display: flex;
  color: var(--ink);
}

button,
a {
  font: inherit;
}

.hidden {
  display: none !important;
}

.main {
  margin-left: var(--app-sidebar-width, 82px);
  flex: 1;
  display: flex;
  justify-content: center;
  padding: 120px 40px 80px;
  overflow-y: auto;
}

.content {
  width: 100%;
  max-width: 860px;
}

.profile-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  text-align: center;
  padding-bottom: 32px;
  border-bottom: 0.5px solid var(--border-strong);
}

.avatar-wrap {
  position: relative;
  margin-bottom: 16px;
}

.avatar {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: var(--accent-cream);
  border: 3px solid var(--bg-card);
  box-shadow: 0 0 0 1px var(--border-strong), var(--shadow-md);
  overflow: hidden;
  display: grid;
  place-items: center;
  color: var(--accent);
  font-size: 34px;
  font-weight: 600;
}

.avatar svg {
  width: 44px;
  height: 44px;
}

.member-ring {
  position: absolute;
  bottom: 0;
  right: -2px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: linear-gradient(135deg, #c8943e, #e0b96a);
  border: 2px solid var(--bg);
  display: grid;
  place-items: center;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.15);
}

.member-ring svg {
  width: 13px;
  height: 13px;
  color: #fff;
}

.profile-name {
  font-size: 24px;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: 0.02em;
  margin-bottom: 10px;
}

.profile-tags {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  flex-wrap: wrap;
  justify-content: center;
}

.is-guest-profile .profile-tags {
  display: none;
}

.tag-pill {
  height: 24px;
  padding: 0 12px;
  border-radius: 999px;
  font-size: 12px;
  font-family: var(--font-sans);
  letter-spacing: 0.04em;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 5px;
}

.tag-member {
  background: linear-gradient(90deg, rgba(200, 148, 62, 0.15), rgba(224, 185, 106, 0.15));
  border: 0.5px solid rgba(200, 148, 62, 0.4);
  color: #9a6c1a;
}

.tag-member::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-warm);
}

.tag-plain {
  background: var(--bg-paper);
  border: 0.5px solid var(--border-strong);
  color: var(--ink-soft);
}

.profile-bio {
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
  max-width: 420px;
  letter-spacing: 0;
}

.edit-btn {
  margin-top: 16px;
  min-height: 32px;
  padding: 0 18px;
  background: transparent;
  border: 0.5px solid var(--border-strong);
  border-radius: 999px;
  font-size: 13px;
  color: var(--ink-soft);
  font-family: var(--font-sans);
  cursor: pointer;
  transition: all 0.18s ease;
  letter-spacing: 0.02em;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}

.edit-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.is-guest-profile .edit-btn {
  min-height: 44px;
  padding: 0 32px;
  background: linear-gradient(135deg, #f5b86e 0%, #ff934d 100%);
  border-color: #f4ab5e;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  box-shadow: 0 10px 24px rgba(244, 146, 71, 0.28);
}

.is-guest-profile .edit-btn:hover {
  background: linear-gradient(135deg, #f7c27d 0%, #ff8640 100%);
  border-color: #f29a4a;
  color: #fff;
  box-shadow: 0 12px 28px rgba(244, 146, 71, 0.34);
  transform: translateY(-1px);
}

.milestones {
  display: flex;
  align-items: stretch;
  padding: 28px 0;
  border-bottom: 0.5px solid var(--border-strong);
}

.milestone {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 0 8px;
  position: relative;
}

.milestone + .milestone::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10%;
  bottom: 10%;
  width: 0.5px;
  background: var(--border-strong);
}

.milestone-value {
  font-size: 26px;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: 0;
  line-height: 1;
}

.milestone-value em {
  font-style: normal;
  font-size: 14px;
  color: var(--ink-soft);
  margin-left: 2px;
}

.milestone-label {
  font-size: 12px;
  color: var(--ink-hint);
  font-family: var(--font-sans);
  letter-spacing: 0.04em;
  text-align: center;
  line-height: 1.4;
}

.shelf-section {
  padding-top: 28px;
}

.shelf-tabs {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 20px;
  border-bottom: 0.5px solid var(--border-strong);
}

.shelf-tab {
  padding: 10px 20px 12px;
  font-size: 15px;
  font-weight: 400;
  color: var(--ink-hint);
  background: none;
  border: 0;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all 0.18s ease;
  font-family: var(--font-serif);
  margin-bottom: -0.5px;
  letter-spacing: 0.01em;
}

.shelf-tab:hover {
  color: var(--ink-soft);
}

.shelf-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
  font-weight: 500;
}

.shelf-tab-count {
  font-size: 12px;
  margin-left: 5px;
  color: var(--ink-hint);
  font-family: var(--font-sans);
}

.shelf-tab.active .shelf-tab-count {
  color: var(--accent);
}

.shelf-panel {
  display: none;
}

.shelf-panel.active {
  display: block;
}

.is-guest-profile .shelf-panel {
  position: relative;
  min-height: 172px;
}

.is-guest-profile .shelf-panel::after {
  content: "登陆后查看我的作品";
  position: absolute;
  inset: 0;
  z-index: 3;
  display: grid;
  place-items: center;
  background: var(--bg);
  color: var(--ink-soft);
  font-size: 16px;
  font-weight: 500;
  font-family: var(--font-sans);
  text-align: center;
  letter-spacing: 0.02em;
}

.books-row {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 12px;
}

.books-row::-webkit-scrollbar {
  height: 4px;
}

.books-row::-webkit-scrollbar-thumb {
  background: var(--accent-cream);
  border-radius: 2px;
}

.book-entry {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  flex-shrink: 0;
  width: 96px;
  cursor: pointer;
  text-decoration: none;
}

.book-cover-wrap {
  width: 96px;
  height: 128px;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 2px 3px 10px rgba(94, 80, 63, 0.18);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
  position: relative;
}

.book-entry:hover .book-cover-wrap {
  transform: translateY(-3px);
  box-shadow: 2px 8px 20px rgba(94, 80, 63, 0.25);
}

.book-cover-fill {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 10px 9px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(145deg, var(--bc, var(--accent)) 0 68%, var(--bs, var(--accent)) 100%);
}

.book-cover-fill::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(155deg, transparent 0, transparent 5px, rgba(0, 0, 0, 0.022) 5px, rgba(0, 0, 0, 0.022) 6px);
}

.book-cover-fill::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(0, 0, 0, 0.28) 100%);
}

.book-cover-title {
  position: relative;
  z-index: 1;
  font-size: 11px;
  line-height: 1.4;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--bt, rgba(255, 255, 255, 0.92));
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.bc-teal { --bc: #ECCE8E; --bs: #D59B3E; --bt: rgba(255, 255, 255, 0.95); }
.bc-plum { --bc: #8DB8D8; --bs: #4D74A1; --bt: rgba(255, 255, 255, 0.95); }
.bc-slate { --bc: #DFC6B4; --bs: #C89E7F; --bt: rgba(255, 255, 255, 0.95); }
.bc-forest { --bc: #98CDBB; --bs: #64B096; --bt: rgba(255, 255, 255, 0.95); }
.bc-burg { --bc: #E7B7BA; --bs: #C98690; --bt: rgba(255, 255, 255, 0.95); }
.bc-terra { --bc: #BCD3E6; --bs: #A6BFDC; --bt: rgba(255, 255, 255, 0.95); }

.book-badge {
  position: absolute;
  top: 6px;
  right: 6px;
  z-index: 2;
  height: 18px;
  padding: 0 7px;
  border-radius: 999px;
  font-size: 9.5px;
  font-weight: 500;
  font-family: var(--font-sans);
  letter-spacing: 0.04em;
  display: flex;
  align-items: center;
}

.badge-ongoing {
  background: rgba(200, 148, 62, 0.88);
  color: #fff;
}

.badge-done {
  background: rgba(111, 91, 69, 0.7);
  color: #fff;
}

.shelf-empty {
  padding: 40px 0;
  text-align: center;
  color: var(--ink-hint);
  font-size: 14px;
  font-family: var(--font-sans);
  letter-spacing: 0.02em;
}

.note-mini-list {
  display: grid;
  gap: 8px;
}

.note-mini {
  border: 0.5px solid var(--border);
  background: var(--bg-card);
  border-radius: 10px;
  padding: 12px 14px;
  box-shadow: var(--shadow-sm);
}

.note-mini-title {
  font-size: 12px;
  color: var(--ink-hint);
  font-family: var(--font-sans);
  margin-bottom: 4px;
}

.note-mini-text {
  font-size: 14px;
  color: var(--ink);
  line-height: 1.7;
}

.message {
  margin: 0 0 20px;
  padding: 10px 14px;
  border: 0.5px solid rgba(200, 148, 62, 0.34);
  border-radius: 8px;
  background: rgba(200, 148, 62, 0.08);
  color: var(--ink-soft);
  font-family: var(--font-sans);
  font-size: 13px;
}

.logout-btn {
  position: fixed;
  bottom: 20px;
  right: 24px;
  background: none;
  border: none;
  padding: 4px 8px;
  font-size: 12px;
  font-family: var(--font-sans);
  color: rgba(50, 38, 26, 0.762);
  cursor: pointer;
  letter-spacing: 0.02em;
  transition: color 0.18s;
  z-index: 10;
}

.logout-btn:hover {
  color: rgba(94, 80, 63, 0.65);
}

@media (max-width: 760px) {
  body {
    font-size: 12px;
  }

  .main {
    padding: 36px 22px 70px;
  }

  .avatar {
    font-size: 28px;
  }

  .profile-name {
    font-size: 20px;
  }

  .profile-bio,
  .edit-btn,
  .is-guest-profile .edit-btn,
  .shelf-tab,
  .shelf-empty,
  .note-mini-text,
  .message {
    font-size: 12px;
  }

  .tag-pill,
  .milestone-label,
  .shelf-tab-count,
  .book-cover-title,
  .book-badge,
  .note-mini-title,
  .logout-btn {
    font-size: 10px;
  }

  .milestone-value {
    font-size: 22px;
  }

  .milestone-value em {
    font-size: 11px;
  }

  .is-guest-profile .shelf-panel::after {
    font-size: 13px;
  }

  .milestones {
    flex-wrap: wrap;
    row-gap: 22px;
  }

  .milestone {
    flex-basis: 50%;
  }
}