/* ===== PVZ 应用商店 - Style v2.0 ===== */

/* ===== CSS 变量 ===== */
:root {
  --primary: #00c96a;
  --primary-light: #2af598;
  --primary-dark: #00a855;
  --secondary: #009efd;
  --accent-grad: linear-gradient(135deg, #00c96a 0%, #009efd 100%);
  --accent-grad-r: linear-gradient(135deg, #009efd 0%, #00c96a 100%);
  --bg-grad: linear-gradient(135deg, #f5f7fa 0%, #e4eef9 35%, #eaf5ec 65%, #f5f2f8 100%);
  --glass: rgba(255,255,255,0.55);
  --glass-hover: rgba(255,255,255,0.72);
  --glass-bd: rgba(0,0,0,0.07);
  --glass-bd-hover: rgba(0,0,0,0.13);
  --shadow: 0 6px 28px rgba(0,0,0,0.05);
  --shadow-hover: 0 10px 36px rgba(0,158,253,0.08), 0 4px 20px rgba(0,0,0,0.03);
  --text: #1a1a2e;
  --text2: rgba(0,0,0,0.56);
  --text3: rgba(0,0,0,0.36);
  --danger: #ff4757;
  --warning: #ffa502;
  --success: #00c96a;
  --info: #009efd;
  --radius: 22px;
  --radius-sm: 12px;
  --radius-xs: 8px;
  --nav-height: 64px;
  --bottom-nav-height: 60px;
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
  margin: 0; padding: 0; box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--bg-grad);
  background-size: 300% 300%;
  animation: gradAnim 18s ease infinite;
  min-height: 100vh;
  color: var(--text);
  padding-top: calc(var(--nav-height) + 10px);
  overflow-x: hidden;
}

a { color: var(--primary); text-decoration: none; transition: 0.2s; }
a:hover { color: var(--primary-dark); }

img { max-width: 100%; }

/* ===== Animations ===== */
@keyframes gradAnim {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes badgePop {
  0% { transform: scale(0); }
  60% { transform: scale(1.15); }
  100% { transform: scale(1); }
}

.anim-fade { animation: fadeIn 0.5s ease both; }
.anim-fade-up { animation: fadeUp 0.6s ease both; }

/* ===== Top Navigation ===== */
.top-nav {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 999;
  padding: 0 24px;
  height: var(--nav-height);
  background: rgba(255,255,255,0.78);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--glass-bd);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.2em;
  font-weight: 700;
  background: var(--accent-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
}

.nav-brand-icon { font-size: 1.5em; }

.nav-center {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}

.nav-tabs {
  display: flex;
  gap: 2px;
  background: rgba(0,0,0,0.04);
  border-radius: 30px;
  padding: 3px;
}

.nav-tab {
  padding: 8px 20px;
  border-radius: 26px;
  border: none;
  background: transparent;
  color: var(--text2);
  font-size: 0.92em;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.25s ease;
  font-family: inherit;
}

.nav-tab:hover { color: var(--text); background: rgba(255,255,255,0.5); }
.nav-tab.active {
  background: white;
  color: var(--primary);
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Search */
.search-box {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid var(--glass-bd);
  border-radius: 30px;
  padding: 0.3rem 1rem;
  background: rgba(255,255,255,0.6);
  transition: 0.3s;
}

.search-box:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0,201,106,0.08);
}

.search-box input {
  border: none; outline: none; width: 180px;
  background: transparent; color: var(--text);
  font-family: inherit; font-size: 0.9em;
}

.search-box input::placeholder { color: var(--text3); }

.search-box button {
  background: none; border: none; cursor: pointer;
  color: var(--text3); transition: 0.2s;
}

.search-box button:hover { color: var(--danger); transform: rotate(90deg); }

/* ===== Hero ===== */
.hero {
  text-align: center;
  padding: 36px 20px 24px;
  animation: fadeDown 0.8s ease;
}

.hero h1 {
  font-size: 2.4em;
  font-weight: 700;
  background: var(--accent-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 2px 8px rgba(0,201,106,0.10));
}

.hero-desc {
  color: var(--text2);
  font-size: 1em;
  margin-top: 8px;
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}

.badge {
  display: inline-block;
  background: var(--glass);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-bd);
  color: var(--text2);
  padding: 5px 18px;
  border-radius: 30px;
  font-size: 0.88em;
}

/* ===== Page Container ===== */
.page-container {
  display: none;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  gap: 24px;
}

.page-container.active { display: grid; }

#page-home { grid-template-columns: 1fr 300px; }
#page-community { grid-template-columns: 1fr; }
#page-profile { grid-template-columns: 1fr; }

/* ===== Cards ===== */
.card {
  background: var(--glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--glass-bd);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
  transition: all 0.4s cubic-bezier(0.16,1,0.3,1);
  animation: fadeUp 0.6s ease both;
}

.card:hover {
  transform: translateY(-4px);
  background: var(--glass-hover);
  border-color: var(--glass-bd-hover);
  box-shadow: var(--shadow-hover);
}

.section-title {
  font-size: 1.2em;
  font-weight: 600;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-title i { color: var(--secondary); }
.section-subtitle {
  font-size: 1em;
  font-weight: 500;
  margin: 16px 0 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ===== Resource Grid ===== */
.resource-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 8px;
}

.resource-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 12px 10px;
  border-radius: var(--radius-sm);
  background: rgba(0,0,0,0.02);
  border: 1px solid transparent;
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.92em;
  transition: all 0.25s ease;
  cursor: pointer;
  gap: 4px;
}

.resource-item:hover {
  background: rgba(0,201,106,0.06);
  border-color: rgba(0,201,106,0.12);
  transform: translateY(-3px);
  color: var(--primary-dark);
}

.resource-item .ri-icon {
  font-size: 1.6em;
  margin-bottom: 4px;
}

.resource-item .ri-name {
  text-align: center;
  line-height: 1.3;
}

.resource-item .ri-meta {
  font-size: 0.75em;
  color: var(--text3);
  font-weight: 400;
}

/* ===== Resource List (community) ===== */
.resource-list-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 16px;
  margin-bottom: 8px;
  border-radius: var(--radius-sm);
  background: rgba(0,0,0,0.015);
  border: 1px solid var(--glass-bd);
  transition: all 0.25s ease;
}

.resource-list-item:hover {
  background: rgba(0,201,106,0.04);
  border-color: rgba(0,201,106,0.10);
}

.rli-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-xs);
  background: var(--accent-grad);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4em;
  color: white;
  flex-shrink: 0;
}

.rli-info h4 { font-size: 1em; margin-bottom: 4px; }
.rli-info p { font-size: 0.82em; color: var(--text2); }
.rli-meta {
  text-align: right;
  white-space: nowrap;
  font-size: 0.85em;
  color: var(--text2);
}
.rli-meta .downloads { color: var(--primary); font-weight: 600; }
.rli-status {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 20px;
  font-size: 0.78em;
  font-weight: 500;
}
.rli-status.pending { background: rgba(255,165,2,0.12); color: var(--warning); }
.rli-status.approved { background: rgba(0,201,106,0.12); color: var(--success); }
.rli-status.rejected { background: rgba(255,71,87,0.12); color: var(--danger); }

.rli-actions {
  display: flex;
  gap: 6px;
  margin-top: 6px;
}

/* ===== Sidebar ===== */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.sidebar-card {
  background: var(--glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--glass-bd);
  border-radius: 18px;
  padding: 18px;
  box-shadow: var(--shadow);
  color: var(--text);
  animation: fadeUp 0.6s ease both;
}

.sidebar-card h4 {
  font-size: 0.95em;
  font-weight: 600;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-card h4 i { color: var(--primary); }
.sidebar-card p {
  color: var(--text2);
  font-size: 0.88em;
  line-height: 1.6;
}

/* Welcome Card */
.welcome-card {
  text-align: center;
}

.welcome-card .welcome-text {
  font-size: 0.95em;
  color: var(--text2);
  margin-bottom: 10px;
}

/* User Profile Card */
.user-card {
  text-align: center;
}

.user-card .uc-avatar {
  width: 60px; height: 60px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 8px;
  display: block;
  border: 2px solid var(--glass-bd);
}

.user-card .uc-name {
  font-weight: 600;
  font-size: 1.05em;
}

.user-card .uc-title-badge {
  display: inline-block;
  padding: 2px 12px;
  border-radius: 20px;
  font-size: 0.78em;
  font-weight: 500;
  margin: 4px 0;
}

.user-card .uc-title-badge.developer { background: linear-gradient(135deg, #ff6b6b, #ee5a24); color: white; }
.user-card .uc-title-badge.builder { background: linear-gradient(135deg, #00c96a, #009efd); color: white; }
.user-card .uc-title-badge.newbie { background: linear-gradient(135deg, #009efd, #7c5cff); color: white; }
.user-card .uc-title-badge.manager { background: linear-gradient(135deg, #ffa502, #ff6348); color: white; }
.user-card .uc-title-badge.visitor { background: rgba(0,0,0,0.08); color: var(--text2); }

.user-card .uc-signature {
  font-size: 0.85em;
  color: var(--text3);
  margin: 4px 0;
  font-style: italic;
}

.user-card .uc-ip {
  font-size: 0.8em;
  color: var(--text3);
  margin-top: 4px;
}

/* Stats Card */
.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.stat-item {
  text-align: center;
  padding: 10px;
  border-radius: var(--radius-xs);
  background: rgba(0,0,0,0.02);
}

.stat-number {
  font-size: 1.3em;
  font-weight: 700;
  color: var(--primary);
}

.stat-label {
  font-size: 0.78em;
  color: var(--text3);
  margin-top: 2px;
}

/* Leaderboard removed */

/* ICP */
.icp-area {
  text-align: center;
  font-size: 0.8em;
}

.icp-area a { color: var(--text3); }
.icp-area a:hover { color: var(--primary); }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 22px;
  border: none;
  border-radius: 30px;
  font-size: 0.9em;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: inherit;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent-grad);
  color: white;
}

.btn-primary:hover {
  background: var(--accent-grad-r);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,201,106,0.2);
}

.btn-secondary {
  background: white;
  color: var(--text);
  border: 1px solid var(--glass-bd);
}

.btn-secondary:hover {
  background: var(--glass-hover);
  border-color: var(--glass-bd-hover);
}

.btn-danger {
  background: linear-gradient(135deg, #ff4757, #ee5a24);
  color: white;
}

.btn-danger:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(255,71,87,0.2);
}

.btn-success { background: var(--primary); color: white; }
.btn-success:hover { background: var(--primary-dark); transform: translateY(-2px); }

.btn-sm { padding: 6px 14px; font-size: 0.82em; }
.btn-block { width: 100%; }
.btn-qq {
  background: linear-gradient(135deg, #12b7f5, #0c8ecf);
  color: white;
}

.btn-qq:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(18,183,245,0.3);
}

.btn-upload {
  background: var(--accent-grad);
  color: white;
  position: relative;
  overflow: hidden;
}

.btn-upload::after {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%);
  opacity: 0;
  transition: 0.5s;
}

.btn-upload:hover::after { opacity: 1; }

/* ===== Inputs ===== */
.input-group {
  margin-bottom: 14px;
}

.input-group label {
  display: block;
  font-size: 0.85em;
  font-weight: 500;
  color: var(--text2);
  margin-bottom: 4px;
}

.input-group input,
.input-group textarea,
.input-group select {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--glass-bd);
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.6);
  font-family: inherit;
  font-size: 0.92em;
  color: var(--text);
  transition: 0.3s;
  outline: none;
}

.input-group input:focus,
.input-group textarea:focus,
.input-group select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0,201,106,0.08);
}

.input-group textarea {
  min-height: 80px;
  resize: vertical;
}

.input-group select {
  cursor: pointer;
}

/* ===== Modal ===== */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,0.4);
  z-index: 1000;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  justify-content: center;
  align-items: center;
  padding: 20px;
}

.modal-overlay.active { display: flex; }

.modal-content {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-bd);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: 0 12px 48px rgba(0,0,0,0.1);
  width: 100%;
  max-width: 480px;
  max-height: 85vh;
  overflow-y: auto;
  animation: fadeUp 0.3s ease;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.modal-header h2 {
  font-size: 1.3em;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5em;
  cursor: pointer;
  color: var(--text3);
  padding: 4px 8px;
  border-radius: 8px;
  transition: 0.2s;
}

.modal-close:hover { background: rgba(0,0,0,0.05); color: var(--danger); }

.modal-footer {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 20px;
}

/* ===== Captcha ===== */
.captcha-area {
  text-align: center;
  margin: 16px 0;
  padding: 16px;
  background: rgba(0,0,0,0.02);
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-bd);
}

.captcha-area .captcha-question {
  font-size: 1.1em;
  font-weight: 500;
  margin-bottom: 8px;
}

.captcha-area .captcha-input {
  width: 120px;
  text-align: center;
  font-size: 1.2em;
  padding: 8px;
  border: 2px solid var(--glass-bd);
  border-radius: var(--radius-xs);
  outline: none;
  font-family: inherit;
  transition: 0.3s;
}

.captcha-area .captcha-input:focus {
  border-color: var(--primary);
}

.captcha-area .captcha-result {
  margin-top: 8px;
  font-size: 0.9em;
}

/* ===== Toast ===== */
.toast-container {
  position: fixed;
  top: 80px;
  right: 20px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  background: white;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
  font-size: 0.9em;
  animation: slideDown 0.3s ease;
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: 360px;
}

.toast.success { border-left: 4px solid var(--success); }
.toast.error { border-left: 4px solid var(--danger); }
.toast.info { border-left: 4px solid var(--info); }
.toast.warning { border-left: 4px solid var(--warning); }

/* ===== Auth Forms ===== */
.auth-switch {
  text-align: center;
  margin-top: 16px;
  font-size: 0.9em;
  color: var(--text2);
}

.auth-switch a { color: var(--primary); cursor: pointer; font-weight: 500; }

/* ===== Community ===== */
.community-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}

.community-header h2 { font-size: 1.2em; }

.community-tabs {
  display: flex;
  gap: 4px;
  background: rgba(0,0,0,0.04);
  border-radius: 30px;
  padding: 3px;
}

.community-tab {
  padding: 6px 16px;
  border-radius: 26px;
  border: none;
  background: transparent;
  color: var(--text2);
  font-size: 0.85em;
  cursor: pointer;
  transition: all 0.25s ease;
  font-family: inherit;
}

.community-tab:hover { color: var(--text); }
.community-tab.active {
  background: white;
  color: var(--primary);
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.community-list { min-height: 200px; }

.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text3);
}

.empty-state .empty-icon { font-size: 3em; margin-bottom: 12px; opacity: 0.5; }

/* ===== Profile Page ===== */
.profile-header {
  text-align: center;
  padding: 20px;
}

.profile-header .profile-avatar {
  width: 80px; height: 80px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 10px;
  border: 3px solid var(--glass-bd);
}

.profile-header .profile-name {
  font-size: 1.3em;
  font-weight: 600;
}

.profile-header .profile-title {
  display: inline-block;
  padding: 3px 14px;
  border-radius: 20px;
  font-size: 0.85em;
  font-weight: 500;
  margin: 6px 0;
}

.profile-section {
  margin-top: 20px;
}

.profile-section h3 {
  font-size: 1.05em;
  font-weight: 600;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.profile-section h3 i { color: var(--secondary); }

/* ===== Notifications ===== */
.notif-item {
  padding: 12px 16px;
  border-radius: var(--radius-xs);
  background: rgba(0,0,0,0.015);
  border: 1px solid var(--glass-bd);
  margin-bottom: 6px;
  transition: 0.2s;
  cursor: pointer;
}

.notif-item:hover { background: rgba(0,0,0,0.03); }
.notif-item.unread { border-left: 3px solid var(--primary); }
.notif-item .notif-time { font-size: 0.78em; color: var(--text3); }
.notif-item .notif-title { font-weight: 500; font-size: 0.92em; }
.notif-item .notif-content { font-size: 0.85em; color: var(--text2); margin-top: 4px; }

/* ===== Sponsors ===== */
.sponsor-btn {
  width: 100%;
  padding: 10px;
  background: var(--accent-grad);
  color: white;
  border: none;
  border-radius: 30px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9em;
  transition: 0.3s;
  font-family: inherit;
}

.sponsor-btn:hover {
  background: var(--accent-grad-r);
  transform: translateY(-2px);
}

/* ===== Footer ===== */
.footer {
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  background: rgba(0,0,0,0.03);
  border: 1px solid var(--glass-bd);
  border-radius: 14px;
  padding: 16px;
  margin: 30px 20px;
  text-align: center;
}

/* ===== Bottom Nav (Mobile) ===== */
.bottom-nav {
  display: none;
  position: fixed;
  bottom: 0; left: 0; width: 100%; z-index: 998;
  height: var(--bottom-nav-height);
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--glass-bd);
  padding: 0 8px;
}

.bottom-nav-inner {
  display: flex;
  justify-content: space-around;
  align-items: center;
  height: 100%;
  max-width: 600px;
  margin: 0 auto;
}

.bnav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 6px 16px;
  border: none;
  background: transparent;
  color: var(--text3);
  font-size: 0.72em;
  cursor: pointer;
  transition: 0.2s;
  font-family: inherit;
  border-radius: 12px;
  position: relative;
}

.bnav-item i { font-size: 1.3em; transition: 0.2s; }

.bnav-item:hover { color: var(--text2); }
.bnav-item.active { color: var(--primary); font-weight: 600; }
.bnav-item.active i { transform: scale(1.1); }

.bnav-badge {
  position: absolute;
  top: 0; right: 6px;
  background: var(--danger);
  color: white;
  font-size: 0.7em;
  padding: 1px 6px;
  border-radius: 10px;
  min-width: 16px;
  text-align: center;
}

/* ===== Loading ===== */
.loading {
  text-align: center;
  padding: 40px;
  color: var(--text3);
}

.loading .spinner {
  width: 32px; height: 32px;
  border: 3px solid var(--glass-bd);
  border-top: 3px solid var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 10px;
}

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

/* ===== Detail View ===== */
.detail-header {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  margin-bottom: 20px;
}

.detail-icon {
  width: 72px; height: 72px;
  border-radius: 16px;
  background: var(--accent-grad);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2em;
  color: white;
  flex-shrink: 0;
}

.detail-info h2 { font-size: 1.3em; margin-bottom: 4px; }
.detail-info .detail-meta { font-size: 0.85em; color: var(--text2); }
.detail-stats {
  display: flex;
  gap: 20px;
  margin: 10px 0;
}

.detail-stat {
  text-align: center;
}

.detail-stat .ds-num { font-size: 1.2em; font-weight: 700; color: var(--primary); }
.detail-stat .ds-label { font-size: 0.78em; color: var(--text3); }

.detail-buttons {
  display: flex;
  gap: 10px;
  margin-top: 16px;
  flex-wrap: wrap;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  body { padding-top: 56px; padding-bottom: calc(var(--bottom-nav-height) + 10px); }
  .top-nav { padding: 0 12px; height: 56px; }
  .nav-brand { font-size: 1em; }
  .nav-tab { padding: 6px 14px; font-size: 0.85em; }
  .nav-center { display: none; }

  #page-home { grid-template-columns: 1fr; }
  #page-home .sidebar { order: 2; }
  #page-home main { order: 1; }

  .hero h1 { font-size: 1.6em; }
  .hero { padding: 20px 16px 16px; }
  .resource-grid { grid-template-columns: repeat(3, 1fr); gap: 6px; }
  .resource-item { padding: 8px; }

  .bottom-nav { display: block; }

  .sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

  .search-box input { width: 100px; }

  .detail-header { flex-direction: column; align-items: center; text-align: center; }
  .detail-stats { justify-content: center; }
  .detail-buttons { justify-content: center; }

  .community-header { flex-direction: column; align-items: stretch; }

  .resource-list-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .rli-meta { text-align: left; }

  .nav-right .btn span { display: none; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.3em; }
  .resource-grid { grid-template-columns: repeat(2, 1fr); }
  .card { padding: 16px; }
  .sidebar { grid-template-columns: 1fr; }
  .modal-content { padding: 20px; }
}

@media (min-width: 769px) {
  .bottom-nav { display: none !important; }
  body { padding-bottom: 0; }
}

/* ===== Sakura ===== */
#sakura-container {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  pointer-events: none; z-index: 9998;
  overflow: hidden;
}

.sakura-petal {
  position: absolute; top: -40px;
  border-radius: 50% 0 50% 0;
  opacity: 0.7;
  animation: sakuraFall linear infinite;
}

@keyframes sakuraFall {
  0% { transform: translateY(-40px) rotate(0deg) scale(1); opacity: 0.75; }
  20% { opacity: 0.65; }
  80% { opacity: 0.55; }
  100% { transform: translateY(105vh) rotate(720deg) scale(0.3); opacity: 0; }
}

@keyframes sakuraFallDrift {
  0% { transform: translateY(-40px) translateX(0) rotate(0deg) scale(1); opacity: 0.75; }
  25% { transform: translateY(25vh) translateX(var(--drift, 15px)) rotate(180deg) scale(0.9); }
  50% { transform: translateY(50vh) translateX(calc(var(--drift, 15px)*-0.5)) rotate(360deg) scale(0.75); }
  75% { transform: translateY(75vh) translateX(var(--drift, 15px)) rotate(540deg) scale(0.5); }
  100% { transform: translateY(105vh) translateX(0) rotate(720deg) scale(0.3); opacity: 0; }
}

/* ===== Auth modal tabs ===== */
.auth-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 16px;
  background: rgba(0,0,0,0.04);
  border-radius: 30px;
  padding: 3px;
}

.auth-tab {
  flex: 1;
  padding: 8px;
  text-align: center;
  border: none;
  background: transparent;
  border-radius: 26px;
  color: var(--text2);
  font-weight: 500;
  font-size: 0.9em;
  cursor: pointer;
  transition: 0.25s;
  font-family: inherit;
}

.auth-tab.active {
  background: white;
  color: var(--primary);
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

/* ===== QQ Login section ===== */
.qq-login-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 16px 0;
  color: var(--text3);
  font-size: 0.85em;
}

.qq-login-divider::before,
.qq-login-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--glass-bd);
}

/* ===== Admin panel ===== */
.admin-section { margin-top: 20px; }
.admin-section h3 { font-size: 1em; margin-bottom: 10px; }

.pending-item {
  padding: 12px;
  background: rgba(255,165,2,0.06);
  border: 1px solid rgba(255,165,2,0.15);
  border-radius: var(--radius-xs);
  margin-bottom: 8px;
}

.pending-item .pi-title { font-weight: 500; }
.pending-item .pi-uploader { font-size: 0.85em; color: var(--text2); }
.pending-item .pi-actions {
  display: flex;
  gap: 6px;
  margin-top: 8px;
}

/* Leaderboard tabs removed */

/* ===== Admin Panel ===== */
.admin-tabs {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  background: rgba(0,0,0,0.04);
  border-radius: 12px;
  padding: 4px;
  margin-bottom: 16px;
}

.admin-tab {
  padding: 8px 14px;
  border: none;
  background: transparent;
  border-radius: 8px;
  color: var(--text2);
  font-size: 0.85em;
  cursor: pointer;
  transition: 0.25s;
  font-family: inherit;
  white-space: nowrap;
}

.admin-tab:hover { color: var(--text); background: rgba(255,255,255,0.5); }
.admin-tab.active { background: white; color: var(--primary); font-weight: 600; box-shadow: 0 2px 8px rgba(0,0,0,0.06); }

.admin-section { display: none; }
.admin-section.active { display: block; }

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88em;
}

.admin-table th, .admin-table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--glass-bd);
  text-align: left;
}

.admin-table th {
  font-weight: 600;
  color: var(--text2);
  background: rgba(0,0,0,0.02);
}

.admin-table tr:hover td { background: rgba(0,201,106,0.03); }

.admin-card {
  background: rgba(0,0,0,0.015);
  border: 1px solid var(--glass-bd);
  border-radius: var(--radius-sm);
  padding: 16px;
  margin-bottom: 12px;
}

.admin-card h4 { font-size: 0.95em; font-weight: 500; margin-bottom: 8px; }

.profile-tabs {
  display: flex;
  gap: 4px;
  background: rgba(0,0,0,0.04);
  border-radius: 30px;
  padding: 3px;
  margin-bottom: 16px;
}

.profile-tab {
  flex: 1;
  padding: 8px 16px;
  border: none;
  background: transparent;
  border-radius: 26px;
  color: var(--text2);
  font-size: 0.88em;
  cursor: pointer;
  transition: 0.25s;
  font-family: inherit;
  text-align: center;
}

.profile-tab:hover { color: var(--text); }
.profile-tab.active { background: white; color: var(--primary); font-weight: 600; box-shadow: 0 2px 8px rgba(0,0,0,0.06); }

.config-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid rgba(0,0,0,0.04);
  gap: 10px;
}

.config-row label { font-size: 0.88em; color: var(--text2); min-width: 100px; }
.config-row input, .config-row textarea {
  flex: 1;
  padding: 6px 10px;
  border: 1px solid var(--glass-bd);
  border-radius: 6px;
  background: white;
  font-family: inherit;
  font-size: 0.88em;
  outline: none;
}
.config-row input:focus, .config-row textarea:focus { border-color: var(--primary); }
.config-row textarea { min-height: 50px; resize: vertical; }

.rli-status.maintenance { background: rgba(255,165,2,0.12); color: var(--warning); }