/* ===== GreenBox 样式 v2：工具箱 · 点阵板（pegboard）风格 ===== */
:root {
  --bg: #f3f5f0;
  --bg-alt: #e9eee6;
  --text: #13201a;
  --muted: #5a6a60;
  --primary: #15803d;
  --primary-dark: #166534;
  --primary-light: #e0f0e4;
  --primary-glow: rgba(21, 128, 61, 0.22);
  --accent: #c8e86b;            /* 嫩芽黄绿：只用于高亮底色 */
  --danger: #c93a3a;
  --danger-dark: #a82d2d;
  --danger-light: #fbe4e4;
  --warning: #d68a0a;
  --card-bg: #ffffff;
  --border: #d9e0d6;
  --nav-bg: rgba(243, 245, 240, 0.86);
  --dot: rgba(19, 32, 26, 0.13);
  --shadow: 0 1px 2px rgba(19, 32, 26, 0.05);
  --shadow-lg: 0 18px 50px rgba(19, 32, 26, 0.14);
  --shadow-hover: 0 8px 24px rgba(19, 32, 26, 0.1);
  --radius: 14px;
  --radius-sm: 9px;
  --transition: 0.2s ease;
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
}

[data-theme="dark"] {
  --bg: #0d1511;
  --bg-alt: #16211b;
  --text: #e8f0ea;
  --muted: #92a498;
  --primary: #4cc785;
  --primary-dark: #38b373;
  --primary-light: #17301f;
  --primary-glow: rgba(76, 199, 133, 0.28);
  --accent: #c8e86b;
  --danger: #f08080;
  --danger-dark: #e05c5c;
  --danger-light: #3a1a1a;
  --warning: #f0b84a;
  --card-bg: #131d17;
  --border: #25342b;
  --nav-bg: rgba(13, 21, 17, 0.86);
  --dot: rgba(232, 240, 234, 0.1);
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 18px 50px rgba(0, 0, 0, 0.6);
  --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.5);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { color-scheme: light; }
html[data-theme="dark"] { color-scheme: dark; }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  transition: background var(--transition), color var(--transition);
}
::selection { background: var(--accent); color: #13201a; }
a { color: var(--primary); }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
h1, h2, h3 { letter-spacing: 0.01em; }
main h2 { font-size: 1.3rem; font-weight: 700; margin: 2.4rem 0 0.8rem; }

.container { max-width: 1120px; margin: 0 auto; padding: 0 1.5rem; }

/* ===== 导航栏 ===== */
.navbar {
  background: var(--nav-bg);
  backdrop-filter: blur(14px) saturate(1.3);
  -webkit-backdrop-filter: blur(14px) saturate(1.3);
  border-bottom: 1px solid var(--border);
  padding: 0.5rem 0;
  position: sticky;
  top: 0;
  z-index: 50;
}
.navbar .container { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 0.6rem; }

.logo {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text);
  text-decoration: none;
  letter-spacing: 0;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}
.logo span {
  background: var(--accent);
  color: #13201a;
  padding: 0.05rem 0.5rem;
  border-radius: 6px;
  font-size: 0.75rem;
  margin-left: 0.2rem;
}

.nav-links { display: flex; gap: 0.2rem; list-style: none; flex-wrap: wrap; align-items: center; }
.nav-links a {
  position: relative;
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
  padding: 0.45rem 0.8rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  font-size: 0.95rem;
}
.nav-links a:hover { color: var(--text); background: var(--bg-alt); }
.nav-links a.active { color: var(--text); font-weight: 700; background: none; }
.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 0.8rem; right: 0.8rem; bottom: 0.1rem;
  height: 3px;
  border-radius: 2px;
  background: var(--primary);
}

.navbar-right { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }

#theme-toggle {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.3rem 0.65rem;
  cursor: pointer;
  font-size: 1rem;
  color: var(--text);
  transition: background var(--transition), border-color var(--transition);
  display: flex;
  align-items: center;
}
#theme-toggle:hover { background: var(--bg-alt); border-color: var(--muted); }

.user-area { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.user-area .user-name { font-weight: 600; color: var(--text); font-size: 0.92rem; }
.user-area .btn-outline,
.user-area .btn-primary-sm,
.user-area .btn-danger-outline {
  padding: 0.3rem 0.9rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: all var(--transition);
  cursor: pointer;
  border: 1px solid transparent;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}
.user-area .btn-primary-sm { background: var(--primary); color: #fff; border-color: var(--primary); }
.user-area .btn-primary-sm:hover { background: var(--primary-dark); border-color: var(--primary-dark); }
.user-area .btn-outline { background: transparent; border-color: var(--border); color: var(--text); }
.user-area .btn-outline:hover { border-color: var(--primary); color: var(--primary); background: transparent; transform: none; }
.user-area .btn-danger-outline { background: transparent; border-color: var(--border); color: var(--danger); }
.user-area .btn-danger-outline:hover { background: var(--danger); border-color: var(--danger); color: #fff; }

/* === 彻底防止头像撑爆布局 === */
.user-avatar-mini {
  width: 28px !important;
  height: 28px !important;
  min-width: 28px !important;
  min-height: 28px !important;
  max-width: 28px !important;
  max-height: 28px !important;
  border-radius: 50% !important;
  object-fit: cover !important;
  border: 2px solid var(--primary) !important;
  vertical-align: middle;
  margin-right: 6px;
  flex-shrink: 0 !important; /* 防止被 flex 挤压 */
  background: var(--bg-alt);
  display: inline-block;
}

/* ===== 首页 Hero：点阵板背景，左对齐 ===== */
.hero {
  position: relative;
  padding: 4.5rem 0 3.2rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  background-image: radial-gradient(var(--dot) 1.3px, transparent 1.4px);
  background-size: 22px 22px;
  -webkit-mask-image: linear-gradient(to bottom, #000 70%, transparent);
  mask-image: linear-gradient(to bottom, #000 70%, transparent);
  border-bottom: none;
}
.hero h1 {
  position: relative;
  font-size: clamp(2.4rem, 6vw, 3.8rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 0.9rem;
  color: var(--text);
  max-width: 14em;
}
.hero p { position: relative; font-size: 1.1rem; color: var(--muted); max-width: 34em; margin: 0 0 1.8rem; }
.hero .btn-primary { position: relative; padding: 0.85rem 2rem; font-size: 1rem; }

/* ===== 按钮 ===== */
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  background: var(--primary);
  color: #fff;
  border: 1px solid var(--primary);
  padding: 0.7rem 1.6rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
  text-decoration: none;
}
[data-theme="dark"] .btn-primary, [data-theme="dark"] .user-area .btn-primary-sm { color: #0d1511; }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); }
.btn-primary:active { transform: translateY(1px); }

.btn-outline {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }

.btn-danger {
  background: var(--danger); color: #fff; border: none;
  padding: 0.6rem 1.4rem; border-radius: var(--radius-sm);
  font-weight: 600; cursor: pointer; transition: background var(--transition);
}
.btn-danger:hover { background: var(--danger-dark); }

/* ===== 工具卡片：图标格 + 文字，像抽屉标签 ===== */
.tool-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 1rem; margin: 1.2rem 0 2rem; }

.tool-card {
  position: relative;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.2rem;
  text-decoration: none;
  color: var(--text);
  box-shadow: var(--shadow);
  transition: border-color var(--transition), box-shadow var(--transition);
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 1rem;
  align-items: center;
  text-align: left;
}
.tool-card:hover { border-color: var(--primary); box-shadow: var(--shadow-hover); }
.tool-icon {
  grid-row: 1 / span 3;
  width: 3.2rem; height: 3.2rem;
  display: grid; place-items: center;
  font-size: 1.6rem;
  background: var(--primary-light);
  border-radius: 12px;
}
.tool-card h3 { font-size: 1.02rem; font-weight: 700; margin-bottom: 0.1rem; }
.tool-card p { font-size: 0.88rem; color: var(--muted); line-height: 1.5; }
.tool-card .tool-category {
  grid-column: 2; justify-self: start; margin-top: 0.5rem;
  font-size: 0.75rem; background: var(--primary-light); color: var(--primary-dark);
  padding: 0.1rem 0.6rem; border-radius: 6px; font-weight: 600;
}
[data-theme="dark"] .tool-card .tool-category { color: var(--primary); }
.favorite-btn { position: absolute; top: 0.6rem; right: 0.7rem; background: none; border: none; font-size: 1.1rem; cursor: pointer; color: var(--border); transition: transform var(--transition), color var(--transition); }
.favorite-btn:hover { transform: scale(1.15); color: var(--warning); }
.favorite-btn.active { color: var(--warning); }

/* ===== 搜索与分类 ===== */
.toolbar { display: flex; gap: 0.8rem; flex-wrap: wrap; align-items: center; margin: 1.5rem 0 1rem; }
.search-input {
  flex: 1 1 240px; padding: 0.65rem 1rem;
  border-radius: var(--radius-sm); border: 1px solid var(--border);
  background: var(--card-bg); color: var(--text); font-size: 0.95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.search-input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-light); }
.chip-row { display: flex; gap: 0.45rem; flex-wrap: wrap; }
.chip {
  border: 1px solid var(--border); background: var(--card-bg); color: var(--muted);
  padding: 0.35rem 0.9rem; border-radius: 999px; font-size: 0.85rem;
  cursor: pointer; transition: all var(--transition); white-space: nowrap;
}
.chip:hover { border-color: var(--primary); color: var(--primary); }
.chip.active { background: var(--text); border-color: var(--text); color: var(--bg); }

/* ===== 更新日志：时间线 ===== */
.changelog-item {
  position: relative;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.5rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow);
}
.changelog-header { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 0.5rem; flex-wrap: wrap; gap: 0.4rem; }
.version {
  font-weight: 700; font-size: 0.95rem;
  background: var(--accent); color: #13201a;
  padding: 0.1rem 0.7rem; border-radius: 6px;
}
.date { color: var(--muted); font-size: 0.85rem; }
.changelog-item ul { padding-left: 1.3rem; }
.changelog-item li { margin: 0.25rem 0; }
.changelog-item li::marker { color: var(--primary); }

/* ===== 认证页面 ===== */
.auth-wrap {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: 2rem 1rem;
  background-image: radial-gradient(var(--dot) 1.3px, transparent 1.4px);
  background-size: 22px 22px;
}
.auth-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2.2rem;
  max-width: 400px; width: 100%;
  box-shadow: var(--shadow-lg);
}
.auth-brand { display: flex; align-items: center; gap: 0.7rem; margin-bottom: 1.6rem; }
.auth-brand .mark {
  width: 2.6rem; height: 2.6rem; display: grid; place-items: center;
  background: var(--accent); border-radius: 12px; font-size: 1.4rem;
}
.auth-brand .name { font-weight: 800; font-size: 1.25rem; }
.auth-card h1 { font-size: 1.6rem; font-weight: 800; margin-bottom: 0.25rem; }
.auth-card .sub { color: var(--muted); margin-bottom: 1.5rem; font-size: 0.95rem; }
.form-group { margin-bottom: 1.1rem; }
.form-group label { display: block; font-weight: 600; margin-bottom: 0.3rem; font-size: 0.9rem; }
.input-wrap { position: relative; }
.form-group input[type="text"],
.form-group input[type="password"] {
  width: 100%; padding: 0.75rem 1rem;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  font-size: 1rem; background: var(--bg); color: var(--text);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-light); background: var(--card-bg); }
.password-toggle {
  position: absolute; right: 10px; top: 50%; transform: translateY(-50%);
  background: none; border: none; cursor: pointer; color: var(--muted); font-size: 1.1rem; padding: 0.2rem;
}
.auth-card .btn-primary { width: 100%; margin-top: 0.4rem; padding: 0.8rem; }
.error-msg { color: var(--danger); font-size: 0.88rem; margin-top: 0.7rem; text-align: center; }
.success-msg { color: var(--primary); font-size: 0.88rem; margin-top: 0.7rem; text-align: center; }
.auth-link { text-align: center; margin-top: 1.4rem; color: var(--muted); font-size: 0.92rem; }
.auth-link a { font-weight: 600; text-decoration: none; }
.auth-link a:hover { text-decoration: underline; }
.strength-meter { height: 5px; border-radius: 3px; background: var(--border); margin-top: 0.4rem; overflow: hidden; }
.strength-meter-fill { height: 100%; width: 0%; transition: width 0.3s ease, background 0.3s ease; }
.strength-label { font-size: 0.78rem; color: var(--muted); margin-top: 0.2rem; }

/* ===== 个人中心 ===== */
.profile-container {
  max-width: 480px; margin: 3rem auto; padding: 2rem;
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow); text-align: center;
}
.profile-container .avatar { font-size: 3.6rem; margin: 0.6rem 0; }
.profile-container .username { font-size: 1.5rem; font-weight: 700; }
.role-badge { display: inline-block; padding: 0.1rem 0.8rem; border-radius: 6px; font-size: 0.78rem; font-weight: 700; margin-top: 0.3rem; }
.role-badge.admin { background: var(--accent); color: #13201a; }
.role-badge.user { background: var(--primary-light); color: var(--primary-dark); }
[data-theme="dark"] .role-badge.user { color: var(--primary); }
.profile-actions { margin-top: 1.8rem; display: flex; flex-direction: column; gap: 0.7rem; }
.profile-actions button, .profile-actions a { width: 100%; }
.profile-favorites { margin-top: 2rem; text-align: left; }
.profile-favorites h2 { font-size: 1.05rem; margin-bottom: 0.6rem; }

/* ===== Toast ===== */
#toast-container { position: fixed; bottom: 1.5rem; right: 1.5rem; display: flex; flex-direction: column; gap: 0.5rem; z-index: 999; }
.toast {
  background: #13201a; color: #fff; padding: 0.65rem 1.1rem;
  border-radius: var(--radius-sm); box-shadow: var(--shadow-lg);
  font-weight: 500; font-size: 0.9rem; opacity: 0; transform: translateY(12px);
  transition: all 0.28s ease; display: flex; align-items: center; gap: 0.5rem;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.success { background: var(--primary-dark); color: #fff; }
.toast.error { background: var(--danger-dark); color: #fff; }

/* ===== 空状态 / 骨架屏 ===== */
.empty-note { text-align: center; padding: 3rem 0; color: var(--muted); }
.skeleton-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 1rem; margin: 1.5rem 0; }
.skeleton-card {
  height: 92px; border-radius: var(--radius);
  background: linear-gradient(90deg, var(--bg-alt) 25%, var(--border) 37%, var(--bg-alt) 63%);
  background-size: 400% 100%; animation: shimmer 1.6s ease-in-out infinite;
}
@keyframes shimmer { 0% { background-position: 100% 50%; } 100% { background-position: 0% 50%; } }

/* ===== 底部 ===== */
footer { margin-top: 4rem; padding: 2rem 0; border-top: 1px solid var(--border); text-align: center; color: var(--muted); font-size: 0.9rem; }

/* ===== 404 ===== */
.not-found { text-align: center; padding: 5rem 1rem; }
.not-found .code { font-size: 5rem; font-weight: 800; color: var(--primary); }

.hidden { display: none !important; }

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .navbar .container { flex-direction: column; gap: 0.5rem; }
  .nav-links { justify-content: center; }
  .hero { padding: 2.5rem 0 2rem; }
  .tool-grid, .skeleton-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) { .auth-card { padding: 1.6rem; } }
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}