/* 果冻VizLab 全局样式 - 极致毛玻璃 + 新拟态 + 微光，低饱和克制 */
:root {
  /* 配色 - 低饱和，深灰底，克制 */
  --bg-primary: #151517;
  --bg-secondary: #1C1C20;
  --bg-tertiary: #222228;
  --bg-input: #1E1E24;
  --glass-bg: rgba(28, 28, 32, 0.55);
  --glass-bg-strong: rgba(24, 24, 28, 0.75);

  /* 边框 - 加深提高清晰度 */
  --border-color: rgba(255, 255, 255, 0.09);
  --border-hover: rgba(0, 255, 204, 0.3);
  --border-active: rgba(0, 255, 204, 0.45);

  /* 文字 - 提高对比度 */
  --text-primary: #F0F0F5;
  --text-secondary: #9A9AA5;
  --text-tertiary: #62626E;
  --text-disabled: #3E3E48;

  /* 主题色 - 低饱和紫青 */
  --accent-purple: #00FFCC;
  --accent-cyan: #00FFCC;
  --accent-gradient: linear-gradient(135deg, #00FFCC 0%, #00D4AA 100%);
  --accent-purple-soft: rgba(0, 255, 204, 0.10);
  --accent-cyan-soft: rgba(0, 255, 204, 0.08);

  /* 状态色 */
  --danger: #E8708A;
  --warning: #D4A85C;
  --success: #5CC9B0;

  /* 圆角 - 克制 */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;

  /* 毛玻璃 - 极致 */
  --glass-blur: blur(24px) saturate(180%);
  --glass-border: 1px solid rgba(255, 255, 255, 0.07);

  /* 新拟态阴影 - 柔和双阴影 */
  --neu-shadow: 4px 4px 12px rgba(0, 0, 0, 0.25), -2px -2px 8px rgba(255, 255, 255, 0.015);
  --neu-shadow-sm: 2px 2px 8px rgba(0, 0, 0, 0.2), -1px -1px 4px rgba(255, 255, 255, 0.01);
  --neu-shadow-inset: inset 2px 2px 6px rgba(0, 0, 0, 0.2), inset -1px -1px 4px rgba(255, 255, 255, 0.015);

  /* 微光 - 极淡 */
  --glow-soft: 0 0 30px rgba(139, 124, 240, 0.06);
  --glow-hover: 0 0 40px rgba(139, 124, 240, 0.1);

  /* 过渡 - 克制 */
  --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html, body {
  height: 100%;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--accent-cyan); text-decoration: none; transition: var(--transition-fast); }
a:hover { color: var(--accent-purple); }

::selection {
  background: rgba(139, 124, 240, 0.25);
  color: #fff;
}

/* 滚动条 - 细，克制 */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: rgba(139, 124, 240, 0.25);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover { background: rgba(139, 124, 240, 0.4); }

/* ========== 导航栏 - 极致毛玻璃 ========== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; height: 52px;
  background: rgba(21, 21, 23, 0.65);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: var(--glass-border);
  display: flex; align-items: center; padding: 0 24px; z-index: 1000;
}
.navbar-brand {
  font-size: 16px; font-weight: 700;
  background: var(--accent-gradient);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  margin-right: 36px;
  letter-spacing: -0.01em;
}
.navbar-menu { display: flex; gap: 2px; flex: 1; }
.navbar-menu a {
  color: var(--text-secondary); padding: 6px 14px; border-radius: var(--radius-sm);
  transition: var(--transition-fast); font-size: 13px; font-weight: 500;
}
.navbar-menu a:hover, .navbar-menu a.active {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}
.navbar-user { display: flex; align-items: center; gap: 10px; }
.navbar-user .username { color: var(--text-secondary); font-size: 12px; }
.role-badge { padding: 2px 8px; border-radius: 4px; font-size: 10px; font-weight: 600; }
.role-badge.admin { background: var(--accent-purple-soft); color: var(--accent-purple); }
.role-badge.member { background: var(--accent-cyan-soft); color: var(--accent-cyan); }
.role-badge.trial { background: rgba(212, 168, 92, 0.1); color: var(--warning); }

/* ========== 按钮 - 克制，新拟态 ========== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 8px 20px; border: none; border-radius: var(--radius-sm);
  font-size: 13px; font-weight: 500; cursor: pointer;
  transition: var(--transition-fast); font-family: inherit;
  letter-spacing: 0.2px;
}
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn-primary {
  background: var(--accent-gradient);
  background-size: 200% auto;
  color: #fff;
  box-shadow: 0 2px 8px rgba(139, 124, 240, 0.2);
}
.btn-primary:hover:not(:disabled) {
  background-position: right center;
  box-shadow: 0 4px 16px rgba(139, 124, 240, 0.3), var(--glow-soft);
  transform: translateY(-1px);
}
.btn-primary:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: 0 1px 4px rgba(139, 124, 240, 0.15);
}
.btn-secondary {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  color: var(--text-primary);
  border: var(--glass-border);
}
.btn-secondary:hover:not(:disabled) {
  border-color: var(--border-hover);
  background: var(--glass-bg-strong);
  color: var(--accent-purple);
}
.btn-danger {
  background: rgba(232, 112, 138, 0.08);
  color: var(--danger);
  border: 1px solid rgba(232, 112, 138, 0.2);
}
.btn-danger:hover:not(:disabled) { background: rgba(232, 112, 138, 0.14); }
.btn-sm { padding: 5px 12px; font-size: 12px; }
.btn-lg { padding: 11px 28px; font-size: 14px; border-radius: var(--radius-sm); }

/* ========== 表单 - 新拟态 ========== */
.form-group { margin-bottom: 16px; }
.form-label {
  display: block; margin-bottom: 6px;
  color: var(--text-secondary); font-size: 12px; font-weight: 500;
}
.form-input, .form-select, .form-textarea {
  width: 100%; padding: 9px 13px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary); font-size: 13px; font-family: inherit;
  transition: var(--transition-fast); outline: none;
  box-shadow: var(--neu-shadow-inset);
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--border-active);
  box-shadow: var(--neu-shadow-inset), 0 0 0 3px rgba(139, 124, 240, 0.08);
}
.form-textarea { resize: vertical; min-height: 80px; }
.form-select { cursor: pointer; }
.form-hint { margin-top: 4px; font-size: 11px; color: var(--text-tertiary); }
.form-error { margin-top: 4px; font-size: 11px; color: var(--danger); }

/* ========== 卡片 - 极致毛玻璃 + 新拟态 ========== */
.card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--neu-shadow-sm);
  transition: var(--transition-normal);
}
.card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--neu-shadow), var(--glow-soft);
  transform: translateY(-1px);
}
.card-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 16px; padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}
.card-title { font-size: 15px; font-weight: 600; }

/* ========== 表格 ========== */
.table-wrapper { overflow-x: auto; border-radius: var(--radius-sm); border: 1px solid var(--border-color); }
.table { width: 100%; border-collapse: collapse; font-size: 12px; }
.table th {
  background: var(--bg-secondary);
  color: var(--text-tertiary); font-weight: 600;
  text-align: left; padding: 10px 14px;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 10px;
}
.table td { padding: 10px 14px; border-bottom: 1px solid var(--border-color); color: var(--text-primary); }
.table tr:last-child td { border-bottom: none; }
.table tr:hover td { background: rgba(139, 124, 240, 0.03); }
.table-actions { display: flex; gap: 6px; flex-wrap: wrap; }

/* ========== 标签 ========== */
.badge { display: inline-block; padding: 2px 9px; border-radius: 20px; font-size: 10px; font-weight: 600; }
.badge-success { background: var(--accent-cyan-soft); color: var(--success); }
.badge-warning { background: rgba(212, 168, 92, 0.1); color: var(--warning); }
.badge-danger { background: rgba(232, 112, 138, 0.1); color: var(--danger); }
.badge-info { background: var(--accent-purple-soft); color: var(--accent-purple); }
.badge-secondary { background: rgba(255, 255, 255, 0.05); color: var(--text-secondary); }

/* ========== Toast - 毛玻璃卡片 ========== */
.toast-container { position: fixed; top: 64px; right: 16px; z-index: 9999; display: flex; flex-direction: column; gap: 8px; }
.toast {
  min-width: 240px; max-width: 360px; padding: 11px 16px;
  background: var(--glass-bg-strong);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--radius-md);
  box-shadow: var(--neu-shadow);
  display: flex; align-items: flex-start; gap: 10px;
  animation: toastIn 0.2s ease;
}
@keyframes toastIn { from { opacity: 0; transform: translateX(12px); } to { opacity: 1; transform: translateX(0); } }
.toast.success { border-left: 2px solid var(--success); }
.toast.error { border-left: 2px solid var(--danger); }
.toast.warning { border-left: 2px solid var(--warning); }
.toast.info { border-left: 2px solid var(--accent-purple); }
.toast-content { flex: 1; }
.toast-title { font-weight: 600; margin-bottom: 2px; font-size: 13px; }
.toast-message { font-size: 12px; color: var(--text-secondary); }
.toast-close { background: none; border: none; color: var(--text-tertiary); cursor: pointer; font-size: 14px; padding: 0; line-height: 1; }

/* ========== 弹窗 - 极致毛玻璃 ========== */
.modal-overlay {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
  z-index: 2000; animation: fadeIn 0.15s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.modal {
  background: var(--glass-bg-strong);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--radius-lg);
  width: 90%; max-width: 480px; max-height: 85vh; overflow-y: auto;
  box-shadow: var(--neu-shadow), var(--glow-soft);
  animation: modalIn 0.2s ease;
}
@keyframes modalIn { from { opacity: 0; transform: scale(0.97) translateY(6px); } to { opacity: 1; transform: scale(1) translateY(0); } }
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; border-bottom: 1px solid var(--border-color);
}
.modal-title { font-size: 15px; font-weight: 600; }
.modal-close { background: none; border: none; color: var(--text-secondary); font-size: 18px; cursor: pointer; line-height: 1; padding: 0; transition: var(--transition-fast); }
.modal-close:hover { color: var(--danger); }
.modal-body { padding: 20px; }
.modal-footer {
  display: flex; justify-content: flex-end; gap: 10px;
  padding: 12px 20px; border-top: 1px solid var(--border-color);
  background: rgba(0, 0, 0, 0.15);
}

/* ========== 分页 ========== */
.pagination { display: flex; align-items: center; justify-content: center; gap: 6px; margin-top: 20px; }
.pagination button {
  min-width: 30px; height: 30px; padding: 0 10px;
  background: var(--glass-bg);
  border: var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-primary); cursor: pointer; font-size: 12px;
  transition: var(--transition-fast);
}
.pagination button:hover:not(:disabled):not(.active) {
  border-color: var(--border-hover);
  color: var(--accent-purple);
}
.pagination button.active {
  background: var(--accent-gradient);
  border-color: transparent; color: #fff;
  box-shadow: 0 2px 8px rgba(139, 124, 240, 0.2);
}
.pagination button:disabled { opacity: 0.35; cursor: not-allowed; }
.pagination-info { color: var(--text-tertiary); font-size: 12px; margin-right: 10px; }

/* ========== 主内容 ========== */
.main-content { padding-top: 52px; min-height: 100vh; }
.container { max-width: 1200px; margin: 0 auto; padding: 20px; }
.container-fluid { padding: 20px; }
.page-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.page-title { font-size: 20px; font-weight: 700; letter-spacing: -0.01em; }
.page-subtitle { color: var(--text-secondary); font-size: 13px; margin-top: 2px; }

/* ========== 登录注册页 - 毛玻璃 ========== */
.auth-page {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background:
    radial-gradient(ellipse at 25% 25%, rgba(139, 124, 240, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 75% 75%, rgba(92, 201, 176, 0.04) 0%, transparent 50%),
    var(--bg-primary);
  padding: 24px;
}
.auth-card { width: 100%; max-width: 380px; }
.auth-logo {
  text-align: center; font-size: 24px; font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}
.auth-subtitle { text-align: center; color: var(--text-secondary); margin-bottom: 24px; font-size: 13px; }
.auth-footer { text-align: center; margin-top: 18px; color: var(--text-tertiary); font-size: 12px; }
.auth-agreement { display: flex; align-items: flex-start; gap: 8px; margin-bottom: 16px; font-size: 12px; color: var(--text-secondary); }
.auth-agreement input[type="checkbox"] { margin-top: 2px; accent-color: var(--accent-purple); }

/* ========== 管理员后台 ========== */
.admin-layout { display: flex; min-height: calc(100vh - 52px); }
.admin-sidebar {
  width: 180px; background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  padding: 12px 0; flex-shrink: 0;
}
.admin-sidebar-item {
  display: block; padding: 9px 20px;
  color: var(--text-secondary); cursor: pointer;
  transition: var(--transition-fast); font-size: 13px;
  border-left: 2px solid transparent;
}
.admin-sidebar-item:hover { color: var(--text-primary); background: rgba(255, 255, 255, 0.02); }
.admin-sidebar-item.active {
  color: var(--accent-purple);
  background: var(--accent-purple-soft);
  border-left-color: var(--accent-purple);
}
.admin-content { flex: 1; padding: 20px; overflow-x: auto; }

/* ========== 空状态 ========== */
.empty-state { text-align: center; padding: 40px 20px; color: var(--text-tertiary); }
.empty-state-icon { font-size: 36px; margin-bottom: 10px; opacity: 0.35; }
.empty-state-text { font-size: 13px; }

/* ========== 加载 ========== */
.loading {
  display: inline-block; width: 16px; height: 16px;
  border: 2px solid rgba(139, 124, 240, 0.15);
  border-top-color: var(--accent-purple);
  border-radius: 50%; animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* 骨架屏 */
.skeleton {
  background: linear-gradient(90deg, var(--bg-secondary) 25%, var(--bg-tertiary) 50%, var(--bg-secondary) 75%);
  background-size: 200% 100%;
  animation: skeleton 1.5s infinite;
  border-radius: var(--radius-sm);
}
@keyframes skeleton { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* ========== 页脚 - 克制 ========== */
.footer {
  background: #121214;
  border-top: 1px solid var(--border-color);
  padding: 20px; text-align: center;
  color: var(--text-disabled); font-size: 11px; line-height: 2;
}
.footer a { color: var(--text-tertiary); margin: 0 6px; transition: var(--transition-fast); }
.footer a:hover { color: var(--accent-purple); }

/* ========== 工具类 ========== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-secondary); }
.text-danger { color: var(--danger); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-gradient {
  background: var(--accent-gradient);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.mt-8 { margin-top: 8px; } .mt-16 { margin-top: 16px; } .mt-24 { margin-top: 24px; }
.mb-8 { margin-bottom: 8px; } .mb-16 { margin-bottom: 16px; } .mb-24 { margin-bottom: 24px; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-gap-8 { gap: 8px; } .flex-gap-16 { gap: 16px; }
.flex-wrap { flex-wrap: wrap; } .flex-1 { flex: 1; }
.hidden { display: none !important; }

/* ========== 响应式 ========== */
@media (max-width: 768px) {
  .navbar { padding: 0 16px; }
  .navbar-menu { display: none; }
  .container { padding: 14px; }
  .admin-layout { flex-direction: column; }
  .admin-sidebar {
    width: 100%; display: flex; overflow-x: auto; padding: 8px;
  }
  .admin-sidebar-item {
    white-space: nowrap; border-left: none;
    border-bottom: 2px solid transparent;
  }
  .admin-sidebar-item.active { border-left: none; border-bottom-color: var(--accent-purple); }
  .card { padding: 16px; }
  .btn { min-height: 44px; }
}