/* ============================================================
   郝奈智 haonaizi.cn — opencode 风格主题
   配色取自 opencode.ai：香槟黄 accent / 近黑文字 / 米白背景
   ============================================================ */

:root {
  --bg: #fdfdfc;
  --bg-weak: #f6f5f5;
  --bg-weak-hover: #f0efee;
  --bg-strong: #1d1d1f;
  --bg-strong-hover: #2e2e31;
  --bg-interactive: #f6f4c9;
  --bg-interactive-hover: #edeab0;
  --bg-interactive-weaker: #fbfae9;
  --text: #636363;
  --text-weak: #999897;
  --text-strong: #1d1d1f;
  --text-inverted: #fdfdfc;
  --border: #d3d1cd;
  --border-weak: rgba(0, 0, 0, 0.12);
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 4px 16px rgba(0, 0, 0, 0.04);
  --radius: 10px;
  --radius-sm: 6px;
  --font-mono: "Berkeley Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --font-cn: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

[data-theme="dark"] {
  --bg: #1a1b20;
  --bg-weak: #222329;
  --bg-weak-hover: #2b2d34;
  --bg-strong: #ecebe8;
  --bg-strong-hover: #e2e1dd;
  --bg-interactive: #45402a;
  --bg-interactive-hover: #504a31;
  --bg-interactive-weaker: #27261d;
  --text: #bdbab5;
  --text-weak: #9c9a96;
  --text-strong: #f2f1ee;
  --text-inverted: #1a1b20;
  --border: #4e515a;
  --border-weak: rgba(255, 255, 255, 0.2);
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.5), 0 4px 16px rgba(0, 0, 0, 0.45);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-cn);
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  transition: background 0.3s ease, color 0.3s ease;
}

.container { max-width: 1080px; margin: 0 auto; padding: 0 1.5rem; }

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

.dim { color: var(--text-weak); }

/* ---------------- 导航 ---------------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-weak);
}
.nav-wrap { display: flex; align-items: center; gap: 2rem; height: 60px; }

.logo { display: flex; align-items: center; gap: 0.5rem; font-family: var(--font-mono); }
.logo-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px;
  background: var(--bg-interactive); color: var(--text-strong);
  border-radius: var(--radius-sm); font-size: 0.9rem;
}
.logo-name { font-size: 1.05rem; font-weight: 600; color: var(--text-strong); letter-spacing: 0.02em; }
.logo-tld { color: var(--text-weak); font-size: 0.85rem; }

.nav { display: flex; gap: 1.5rem; margin-left: 1rem; }
.nav-link { color: var(--text); font-size: 0.9rem; transition: color 0.2s; }
.nav-link:hover { color: var(--text-strong); }

.nav-actions { margin-left: auto; display: flex; align-items: center; gap: 0.75rem; }

.theme-toggle {
  width: 34px; height: 34px;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--bg-weak); color: var(--text-strong);
  font-size: 0.95rem;
  transition: background 0.2s, border-color 0.2s;
}
.theme-toggle:hover { background: var(--bg-weak-hover); }

/* ---------------- 按钮 ---------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.5rem 1.1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem; font-weight: 500;
  border: 1px solid transparent;
  transition: background 0.2s, border-color 0.2s, transform 0.1s;
}
.btn:active { transform: translateY(1px); }
.btn-accent { background: var(--bg-interactive); color: var(--text-strong); }
.btn-accent:hover { background: var(--bg-interactive-hover); }
.btn-ghost { border-color: var(--border); color: var(--text-strong); background: transparent; }
.btn-ghost:hover { background: var(--bg-weak); }
.btn-lg { padding: 0.8rem 2rem; font-size: 1rem; }

/* ---------------- Hero ---------------- */
.hero { padding: 5.5rem 0 4rem; text-align: center; }

.hero-eyebrow {
  font-family: var(--font-mono); font-size: 0.85rem;
  color: var(--text-weak); margin-bottom: 1.2rem;
}
.hero-title {
  font-family: var(--font-mono);
  font-size: clamp(3rem, 9vw, 5rem);
  font-weight: 700; letter-spacing: 0.08em;
  color: var(--text-strong);
}
.hero-accent {
  background: var(--bg-interactive);
  border-radius: 8px;
  padding: 0 0.15em;
}
.hero-slogan {
  display: inline-block;
  margin-top: 1.1rem;
  padding: 0.3rem 1.2rem;
  background: var(--bg-interactive);
  color: var(--text-strong);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.12em;
}
.hero-sub {
  margin: 1.4rem auto 0; max-width: 480px;
  color: var(--text-weak); font-size: 1.02rem;
}

/* 终端卡片 */
.terminal {
  margin: 3rem auto 0; max-width: 640px;
  background: var(--bg-strong); color: var(--text-inverted);
  border-radius: var(--radius);
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.terminal-bar {
  display: flex; align-items: center; gap: 0.4rem;
  padding: 0.6rem 0.9rem;
  background: var(--bg-strong-hover);
}
.dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.dot-r { background: #ff5f57; } .dot-y { background: #febc2e; } .dot-g { background: #28c840; }
.terminal-title { margin-left: 0.6rem; opacity: 0.55; font-size: 0.75rem; }
.terminal-body { padding: 1.1rem 1.2rem 1.3rem; line-height: 1.9; }
.terminal-body p { white-space: pre-wrap; word-break: break-all; }
.prompt { color: var(--bg-interactive); }
.opt { color: var(--bg-interactive); }
.arg { color: #8ecdf5; }
.ok { color: #28c840; }
.dim { opacity: 0.55; }
.cursor { display: inline-block; animation: blink 1s steps(1) infinite; color: var(--bg-interactive); }
@keyframes blink { 50% { opacity: 0; } }

/* 统计 */
.stats {
  margin: 2.6rem auto 0; max-width: 560px;
  display: grid; grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--border-weak); border-radius: var(--radius);
  background: var(--bg-weak);
}
.stat { padding: 1.2rem 0.5rem; border-right: 1px solid var(--border-weak); }
.stat:last-child { border-right: none; }
.stat-value { font-family: var(--font-mono); font-size: 1.6rem; font-weight: 700; color: var(--text-strong); }
.stat-label { font-size: 0.78rem; color: var(--text-weak); margin-top: 0.2rem; }

/* ---------------- 区块 ---------------- */
.section { padding: 4rem 0; }
.section:nth-child(even) { background: var(--bg-weak); }

.section-head { display: flex; align-items: baseline; gap: 1rem; margin-bottom: 1.6rem; }
.section-title { font-size: 1.375rem; font-weight: 700; color: var(--text-strong); font-family: var(--font-mono); }
.section-title::before { content: "// "; color: var(--text-weak); }
.section-desc { color: var(--text-weak); font-size: 0.9rem; }

/* 搜索与类型筛选 */
.filter-bar { display: flex; gap: 0.75rem; align-items: center; flex-wrap: wrap; margin-bottom: 1.6rem; }
.search-box { position: relative; flex: 1 1 240px; min-width: 0; }
.search-icon { position: absolute; left: 0.9rem; top: 50%; transform: translateY(-50%); color: var(--text-weak); font-size: 0.95rem; pointer-events: none; line-height: 1; }
.search-box input {
  width: 100%; padding: 0.55rem 1rem 0.55rem 2.4rem;
  border: 1px solid var(--border-weak); border-radius: 999px;
  background: var(--bg); color: var(--text);
  font-size: 0.9rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.search-box input::placeholder { color: var(--text-weak); }
.search-box input:focus {
  outline: none; border-color: var(--bg-interactive-hover);
  background: var(--bg-interactive-weaker);
}
.search-box input::-webkit-search-cancel-button { cursor: pointer; }
.type-select {
  padding: 0.55rem 2.2rem 0.55rem 1rem;
  border: 1px solid var(--border-weak); border-radius: 999px;
  background: var(--bg); color: var(--text);
  font-size: 0.9rem; cursor: pointer;
  appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%23999897' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 0.9rem center;
  transition: border-color 0.2s;
}
.type-select:hover { border-color: var(--text-weak); }
.type-select:focus { outline: none; border-color: var(--bg-interactive-hover); }

/* 空状态 */
.empty-state { text-align: center; padding: 3rem 1rem; }
.empty-title { font-size: 1.05rem; font-weight: 600; color: var(--text-strong); margin-bottom: 0.4rem; font-family: var(--font-mono); }

/* 卡片网格 */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1rem;
}
.card {
  display: flex; flex-direction: column;
  padding: 1.2rem 1.3rem;
  height: 250px; box-sizing: border-box;
  border: 1px solid var(--border-weak);
  border-radius: var(--radius);
  background: var(--bg);
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}
.card:hover {
  border-color: var(--bg-interactive-hover);
  background: var(--bg-interactive-weaker);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.card-top { display: flex; align-items: center; gap: 0.45rem; margin-bottom: 0.7rem; }
.card-index { flex: none; font-family: var(--font-mono); font-size: 0.75rem; color: var(--text-weak); }
.card-tags {
  flex: 1; min-width: 0;
  overflow: hidden; white-space: nowrap; text-overflow: ellipsis;
}
.tag-chip {
  display: inline-block;
  font-size: 0.68rem; padding: 0.1rem 0.45rem; margin-right: 0.25rem;
  border-radius: 999px; border: 1px solid var(--border);
  color: var(--text-weak); background: var(--bg-weak);
  white-space: nowrap;
}
.card-updated { flex: none; font-size: 0.68rem; color: var(--text-weak); white-space: nowrap; }
.badge {
  flex: none;
  margin-left: auto;
  font-size: 0.72rem; padding: 0.15rem 0.55rem;
  border-radius: 999px; border: 1px solid var(--border-weak);
  color: var(--text); background: var(--bg-weak);
}
.badge-app { border-color: #f0c6c6; background: #fdf1f1; color: #b3544e; }
.badge-github { border-color: #c6d4e8; background: #f0f4fa; color: #3d5a80; }
.badge-web { border-color: #cfe8c8; background: #f2faf0; color: #4a7c43; }
[data-theme="dark"] .badge-app { background: #2c1f1e; border-color: #5a3a38; color: #e8a39c; }
[data-theme="dark"] .badge-github { background: #1c2330; border-color: #3a4a63; color: #9db8dd; }
[data-theme="dark"] .badge-web { background: #1c2a1a; border-color: #3a5a35; color: #a3d19b; }
[data-theme="dark"] .terminal .arg { color: #3a6699; }

.card-title { display: flex; align-items: center; gap: 0.6rem; font-size: 1.05rem; font-weight: 600; color: var(--text-strong); margin-bottom: 0.35rem; font-family: var(--font-mono); }
.card-title-text { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.card-desc {
  font-size: 0.85rem; color: var(--text-weak); flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-bottom { display: flex; justify-content: space-between; align-items: center; margin-top: 0.9rem; }
.card .card-url {
  font-family: var(--font-mono); font-size: 0.72rem;
  color: #3b82f6; text-decoration: underline; text-underline-offset: 2px;
  overflow: hidden;
  text-overflow: ellipsis; white-space: nowrap; max-width: 85%;
  transition: color 0.2s;
}
.card .card-url:hover { color: #2563eb; }
[data-theme="dark"] .card .card-url { color: #7ab2f8; }
[data-theme="dark"] .card .card-url:hover { color: #93c5fd; }
.card-go { font-family: var(--font-mono); color: var(--text-strong); transition: transform 0.2s; }
.card:hover .card-go { transform: translateX(4px); }

/* 卡片筛选动画 */
.card.is-hidden { display: none; }
.card.is-show { animation: fadeUp 0.3s ease; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* 卡片翻转（私享备注：仅上传者与管理员可见）
   正反两面同尺寸 3D 原地翻转，内容超出时内部滚动（滚动容器放在内层，避免动画卡顿） */
.flip-card { position: relative; perspective: 1200px; }
.flip-card a { text-decoration: none; }
.flip-inner {
  position: relative; width: 100%; height: 100%;
  transform-style: preserve-3d;
  will-change: transform;
  transition: transform 0.5s cubic-bezier(0.4, 0.2, 0.2, 1);
}
.flip-card.is-flipped .flip-inner { transform: rotateY(180deg); }
.flip-front, .flip-back {
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}
.flip-front {
  display: flex; flex-direction: column;
  padding: 1.2rem 1.3rem;
  height: 100%; box-sizing: border-box;
  overflow: hidden;
  border: 1px solid var(--border-weak);
  border-radius: var(--radius);
  background: var(--bg);
  position: relative;
  cursor: pointer;
}
.flip-back {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  padding: 1.2rem 1.3rem;
  box-sizing: border-box;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-weak);
  cursor: pointer;
  transform: rotateY(180deg);
}
.flip-back-scroll {
  flex: 1; min-height: 0;
  overflow-y: auto;
  display: flex; flex-direction: column;
}
.flip-front:hover { box-shadow: var(--shadow); }
.flip-hint { font-family: var(--font-cn); font-size: 0.7rem; color: var(--text-weak); white-space: nowrap; }
.note-label {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.82rem; font-weight: 600; color: var(--text-strong);
  margin-bottom: 0.6rem;
}
.note-title { display: inline-flex; align-items: center; gap: 4px; }
.note-scope { font-size: 0.7rem; font-weight: 400; color: var(--text-weak); }
.note-text {
  flex: 1; font-size: 0.88rem; color: var(--text); line-height: 1.7;
  word-break: break-word; white-space: pre-wrap; margin: 0 0 0.5rem;
}
.note-text.note-empty { color: var(--text-weak); }
.btn-xs { padding: 0.12rem 0.5rem; font-size: 0.7rem; }
.note-status { font-size: 0.78rem; }
.note-status.ok { color: #4a7c43; }
.note-status.err { color: #b3544e; }

/* ---------------- 编辑弹窗（毛玻璃） ---------------- */
.edit-modal[hidden] { display: none; }
.edit-modal {
  position: fixed; inset: 0; z-index: 200;
  display: flex; align-items: center; justify-content: center;
  padding: 1rem;
}
.edit-modal-backdrop {
  position: absolute; inset: 0;
  background: rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.edit-modal-card {
  position: relative; width: 100%; max-width: 480px;
  max-height: calc(100vh - 2rem); overflow-y: auto;
  padding: 1.4rem 1.5rem 1.5rem;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.6);
  -webkit-backdrop-filter: blur(24px) saturate(1.4);
  backdrop-filter: blur(24px) saturate(1.4);
  border: 1px solid rgba(255, 255, 255, 0.55);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.22);
  opacity: 0;
  transform: scale(0.9);
  transition: transform 0.32s cubic-bezier(0.2, 0.9, 0.3, 1.15), opacity 0.28s ease;
}
[data-theme="dark"] .edit-modal-card {
  background: rgba(28, 28, 30, 0.62);
  border-color: rgba(255, 255, 255, 0.12);
}
.edit-modal.is-open .edit-modal-card {
  opacity: 1;
  transform: scale(1);
}
.edit-modal-head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 1rem;
}
.edit-modal-title {
  font-size: 1.05rem; font-weight: 700; color: var(--text-strong);
  font-family: var(--font-mono);
}
.edit-modal .modal-close {
  position: static; font-size: 1.3rem;
}
.edit-form .form-group { margin-bottom: 0.85rem; }
#editTitleInput {
  width: 100%; height: 32px; padding: 0 0.7rem;
  border: 1px solid var(--border-weak); border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.55);
  color: var(--text-strong);
  font-family: inherit; font-size: 0.95rem; line-height: 1;
  box-sizing: border-box;
  transition: border-color 0.2s;
}
#editTitleInput:focus {
  outline: none; border-color: var(--bg-interactive-hover);
  background: rgba(255, 255, 255, 0.8);
}
[data-theme="dark"] #editTitleInput { background: rgba(255, 255, 255, 0.06); }
[data-theme="dark"] #editTitleInput:focus { background: rgba(255, 255, 255, 0.1); }
.edit-form textarea {
  width: 100%; padding: 0.55rem 0.7rem;
  border: 1px solid var(--border-weak); border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.55);
  color: var(--text-strong);
  font-family: inherit; font-size: 0.88rem; line-height: 1.6;
  resize: vertical; box-sizing: border-box;
  transition: border-color 0.2s;
}
.edit-form select {
  width: 100%; padding: 0.55rem 0.7rem;
  border: 1px solid var(--border-weak); border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.55);
  color: var(--text-strong);
  font-family: inherit; font-size: 0.88rem; cursor: pointer;
  transition: border-color 0.2s;
}
.edit-form select:focus { outline: none; border-color: var(--bg-interactive-hover); }
[data-theme="dark"] .edit-form select { background: rgba(255, 255, 255, 0.06); }
.edit-form textarea:focus {
  outline: none; border-color: var(--bg-interactive-hover);
  background: rgba(255, 255, 255, 0.8);
}
[data-theme="dark"] .edit-form textarea {
  background: rgba(255, 255, 255, 0.06);
}
[data-theme="dark"] .edit-form textarea:focus {
  background: rgba(255, 255, 255, 0.1);
}
.edit-form-actions {
  display: flex; align-items: center; gap: 0.6rem;
  margin-top: 1.1rem;
}
.edit-form-actions .note-status { margin-left: auto; }

/* ---------------- 提交区 ---------------- */
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); margin-bottom: 2.2rem; }
.type-card {
  text-align: center; padding: 2rem 1.2rem;
  border: 1px solid var(--border-weak); border-radius: var(--radius);
  background: var(--bg);
  transition: border-color 0.2s, transform 0.2s;
}
.type-card:hover { border-color: var(--bg-interactive-hover); transform: translateY(-2px); }
.type-icon { font-size: 1.8rem; margin-bottom: 0.6rem; }
.type-card h3 { font-size: 1rem; color: var(--text-strong); margin-bottom: 0.35rem; font-family: var(--font-mono); }
.type-card p { font-size: 0.82rem; color: var(--text-weak); }

.submit-cta { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; }

/* 提交表单（已登录） */
.submit-form { max-width: 640px; margin: 0 auto; }
.submit-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1.2rem; }
.submit-form .form-group label { display: block; font-size: 0.85rem; margin-bottom: 0.35rem; color: var(--text); }
.submit-form .form-group input,
.submit-form .form-group select {
  width: 100%; padding: 0.6rem 0.75rem;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--bg-weak); color: var(--text-strong);
  font-size: 0.95rem; font-family: inherit;
  transition: border-color 0.2s, background 0.2s;
}
.submit-form .form-group input::placeholder { color: var(--text-weak); }
.submit-form .form-group input:focus,
.submit-form .form-group select:focus {
  outline: none; border-color: var(--bg-interactive-hover); background: var(--bg);
}
.submit-msg {
  margin-bottom: 0.8rem; font-size: 0.9rem; color: #4a7c43;
}
.submit-msg.submit-err { color: #e05252; }
@media (max-width: 520px) {
  .submit-grid { grid-template-columns: 1fr; }
}

/* ---------------- 关于 ---------------- */
.about-wrap { max-width: 640px; }
.about-text { margin-bottom: 1.4rem; color: var(--text); }
.about-text strong { color: var(--text-strong); }
.about-term {
  font-family: var(--font-mono); font-size: 0.85rem;
  background: var(--bg-strong); color: var(--text-inverted);
  border-radius: var(--radius-sm); padding: 0.7rem 1rem;
}

/* ---------------- 页脚 ---------------- */
.site-footer { border-top: 1px solid var(--border-weak); padding: 1.8rem 0; }
.footer-wrap { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.5rem; font-size: 0.85rem; }
.footer-wrap .logo-name { font-family: var(--font-mono); font-weight: 600; }
.footer-one-line { justify-content: center; }
.footer-line {
  display: flex; align-items: center; justify-content: center;
  flex-wrap: wrap; gap: 0.45rem; margin: 0;
}
.footer-icp {
  display: inline-flex; align-items: center; gap: 4px;
  text-decoration: none;
}
.footer-icp:hover { color: var(--text-strong); }
.footer-icp .icp-icon { flex: none; }

.welcome {
  font-weight: 600;
  color: var(--text-strong);
  margin-left: 1rem;
  font-size: 0.9rem;
}

/* ---------------- 模态框 ---------------- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(4px);
}
.modal.is-open { display: flex; }

.modal-content {
  position: relative;
  width: 100%;
  max-width: 420px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 2.2rem 2rem 2rem;
  background: var(--bg);
  border: 1px solid var(--border-weak);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  animation: modalIn 0.25s ease;
}
@keyframes modalIn {
  from { opacity: 0; transform: translateY(12px) scale(0.97); }
  to   { opacity: 1; transform: none; }
}

.modal-close {
  position: absolute;
  top: 0.7rem;
  right: 1rem;
  background: none;
  border: none;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--text-weak);
  transition: color 0.2s;
}
.modal-close:hover { color: var(--text-strong); }

.modal-title {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-strong);
  text-align: center;
  margin-bottom: 1.4rem;
}

.modal .form-group { margin-bottom: 1rem; }
.modal .form-group label {
  display: block;
  font-size: 0.85rem;
  color: var(--text);
  margin-bottom: 0.35rem;
}
.modal .form-group input {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-weak);
  color: var(--text-strong);
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color 0.2s, background 0.2s;
}
.modal .form-group input::placeholder { color: var(--text-weak); }
.modal .form-group input:focus {
  outline: none;
  border-color: var(--bg-interactive-hover);
  background: var(--bg);
}

.form-submit { width: 100%; margin-top: 0.5rem; }

.form-switch {
  margin-top: 1.1rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-weak);
}
.form-switch a { color: var(--text-strong); text-decoration: underline; }
.form-switch a:hover { color: var(--text-weak); }

.form-error {
  margin-bottom: 0.8rem;
  text-align: center;
  font-size: 0.85rem;
  color: #e05252;
  display: none;
}
.form-error.is-show { display: block; }

@media (prefers-reduced-motion: reduce) {
  .modal-content { animation: none; }
}

/* ---------------- 响应式 ---------------- */
@media (max-width: 720px) {
  .nav { display: flex; flex-direction: column; position: absolute; top: 60px; left: 0; right: 0; background: var(--bg); border-bottom: 1px solid var(--border); padding: 1rem; gap: 0.8rem; z-index: 100; }
  .nav-actions .btn { padding: 0.4rem 0.8rem; font-size: 0.85rem; }
  .nav-actions { gap: 0.5rem; }
  .hero { padding: 3.5rem 0 3rem; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: none; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--border-weak); }
  .footer-wrap { justify-content: center; text-align: center; }
}