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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: linear-gradient(135deg, #0f0f1a 0%, #1a1a2e 50%, #16213e 100%);
  min-height: 100vh;
  color: #fff;
}

.hidden { display: none !important; }

/* 登录页面 */
.login-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 20px;
}

.login-box {
  background: rgba(30, 30, 50, 0.9);
  border-radius: 20px;
  padding: 50px 40px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.login-header {
  text-align: center;
  margin-bottom: 40px;
}

.login-header .logo {
  font-size: 60px;
  margin-bottom: 15px;
}

.login-header h1 {
  font-size: 24px;
  margin-bottom: 8px;
  background: linear-gradient(90deg, #00d4ff, #7c3aed);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.login-header p {
  color: #888;
  font-size: 14px;
}

.input-group {
  position: relative;
  margin-bottom: 20px;
}

.input-group .icon {
  position: absolute;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 18px;
}

.input-group input {
  width: 100%;
  padding: 15px 15px 15px 50px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  color: #fff;
  font-size: 16px;
  transition: all 0.3s;
}

.input-group input:focus {
  outline: none;
  border-color: #7c3aed;
  box-shadow: 0 0 20px rgba(124, 58, 237, 0.3);
}

.login-btn {
  width: 100%;
  padding: 15px;
  background: linear-gradient(90deg, #7c3aed, #a855f7);
  border: none;
  border-radius: 12px;
  color: #fff;
  font-size: 18px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  margin-top: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.login-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(124, 58, 237, 0.4);
}

.login-btn:disabled {
  opacity: 0.8;
  cursor: not-allowed;
}

.login-btn.success {
  background: linear-gradient(90deg, #10b981, #34d399);
}

/* 加载动画 */
.spinner {
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* 抖动效果 */
.shake {
  animation: shake 0.5s ease-in-out;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-10px); }
  40%, 80% { transform: translateX(10px); }
}

.error-msg {
  color: #ef4444;
  text-align: center;
  margin-top: 15px;
  font-size: 14px;
}


/* 管理面板 */
.dashboard {
  padding: 20px;
  max-width: 1400px;
  margin: 0 auto;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  background: rgba(30, 30, 50, 0.8);
  border-radius: 16px;
  margin-bottom: 20px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 15px;
}

.logo-icon {
  font-size: 40px;
}

.header h1 {
  font-size: 20px;
  margin-bottom: 4px;
}

.header p {
  color: #888;
  font-size: 13px;
}

.logout-btn {
  padding: 10px 20px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  color: #fff;
  cursor: pointer;
  transition: all 0.3s;
}

.logout-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* 工具栏 */
.toolbar {
  display: flex;
  gap: 15px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.btn {
  padding: 12px 24px;
  border: none;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s;
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-purple { background: linear-gradient(90deg, #7c3aed, #a855f7); color: #fff; }
.btn-blue { background: linear-gradient(90deg, #3b82f6, #60a5fa); color: #fff; }
.btn-gray { background: rgba(255, 255, 255, 0.1); color: #fff; border: 1px solid rgba(255, 255, 255, 0.2); }
.btn-cyan { background: linear-gradient(90deg, #06b6d4, #22d3ee); color: #fff; }
.btn-green { background: linear-gradient(90deg, #10b981, #34d399); color: #fff; }
.btn-red { background: linear-gradient(90deg, #ef4444, #f87171); color: #fff; }
.btn-orange { background: linear-gradient(90deg, #f59e0b, #fbbf24); color: #fff; }

.btn:hover { transform: translateY(-2px); box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3); }
.btn-sm { padding: 8px 16px; font-size: 12px; }

/* 统计卡片 */
.stats-container {
  background: rgba(30, 30, 50, 0.8);
  border-radius: 16px;
  padding: 25px;
  margin-bottom: 20px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.stat-icon { font-size: 30px; }
.stat-header h3 { font-size: 18px; margin-bottom: 2px; }
.stat-header p { color: #888; font-size: 12px; }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 15px;
}

.stat-card {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-label { color: #888; font-size: 13px; }
.stat-value { font-size: 28px; font-weight: 700; }
.stat-green .stat-value { color: #10b981; }
.stat-orange .stat-value { color: #f59e0b; }
.stat-blue .stat-value { color: #3b82f6; }


/* 分组列表 */
.groups-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.group-card {
  background: rgba(30, 30, 50, 0.8);
  border-radius: 16px;
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.group-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 15px;
  flex-wrap: wrap;
  gap: 15px;
}

.group-info h3 {
  font-size: 18px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.group-info h3::before {
  content: '📁';
}

.group-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tag {
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 5px;
}

.tag-purple { background: rgba(124, 58, 237, 0.3); color: #a855f7; }
.tag-blue { background: rgba(59, 130, 246, 0.3); color: #60a5fa; }
.tag-green { background: rgba(16, 185, 129, 0.3); color: #34d399; }
.tag-gray { background: rgba(255, 255, 255, 0.1); color: #888; }
.tag-cyan { background: rgba(6, 182, 212, 0.3); color: #22d3ee; }

.group-actions {
  display: flex;
  gap: 10px;
}

/* 域名输入区 */
.domain-input-area {
  display: flex;
  gap: 10px;
  margin-bottom: 15px;
  flex-wrap: wrap;
}

.domain-input-area input {
  flex: 1;
  min-width: 300px;
  padding: 12px 15px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  color: #fff;
  font-size: 14px;
}

.domain-input-area input:focus {
  outline: none;
  border-color: #7c3aed;
}

/* 域名列表 */
.domains-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.domain-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  flex-wrap: wrap;
  gap: 10px;
}

.domain-url {
  color: #60a5fa;
  font-size: 14px;
  word-break: break-all;
}

.domain-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* 弹窗 */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  padding: 20px;
}

.modal-content {
  background: rgba(30, 30, 50, 0.98);
  border-radius: 20px;
  padding: 30px;
  width: 100%;
  max-width: 500px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  max-height: 90vh;
  overflow-y: auto;
}

.modal-small { max-width: 400px; }

.modal-content h2 {
  margin-bottom: 25px;
  font-size: 22px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  color: #ccc;
  font-size: 14px;
}

.form-group input {
  width: 100%;
  padding: 12px 15px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  color: #fff;
  font-size: 14px;
}

.form-group input:focus {
  outline: none;
  border-color: #7c3aed;
}

.hint {
  display: block;
  margin-top: 5px;
  color: #666;
  font-size: 12px;
}

.preview-box {
  padding: 15px;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 10px;
  color: #888;
  font-size: 14px;
}

.modal-actions {
  display: flex;
  gap: 15px;
  margin-top: 25px;
}

.modal-actions .btn {
  flex: 1;
  justify-content: center;
}

/* 响应式 */
@media (max-width: 768px) {
  .toolbar { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .group-header { flex-direction: column; }
  .group-actions { width: 100%; }
  .group-actions .btn { flex: 1; }
}