/* 基础样式 */
body {
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: linear-gradient(135deg, #2c3e50, #3498db);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.container {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 1rem;
  padding: 2rem;
  width: 100%;
  max-width: 800px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(10px);
}

/* 表单样式 */
.form-group {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  color: #34495e;
  font-weight: 600;
  font-size: 0.9rem;
}

input,
select {
  width: 100%;
  padding: 0.8rem 1.2rem;
  font-size: 1rem;
  border: 2px solid #e0e0e0;
  border-radius: 0.8rem;
  transition: all 0.3s ease;
  background: #f8f9fa;
}

input:focus,
select:focus {
  border-color: #3498db;
  background: #fff;
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

button {
  width: 100%;
  padding: 1rem;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: 0.8rem;
  background: linear-gradient(135deg, #3498db, #2980b9);
  color: white;
  cursor: pointer;
  transition: all 0.3s ease;
}

button:hover:not([disabled]) {
  transform: translateY(-1px);
  box-shadow: 0 5px 15px rgba(52, 152, 219, 0.3);
}

button:active:not([disabled]) {
  transform: translateY(0);
}

button:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

/* Toast 通知 */
#toast-container {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2000;
  display: flex;
  flex-direction: column-reverse;
  gap: 1rem;
  pointer-events: none;
}

.toast {
  padding: 1rem 1.5rem;
  border-radius: 0.8rem;
  background: #ffffff;
  color: #333333;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border-left: 4px solid transparent;
  min-width: 300px;
  max-width: 500px;
  pointer-events: auto;
  transform: translateY(1rem);
}

.toast::before {
  content: "";
  width: 20px;
  height: 20px;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.toast.error {
  background: #fef2f2;
  color: #dc2626;
  border-left-color: #dc2626;
}

.toast.error::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23DC2626'%3E%3Cpath d='M12 22C6.477 22 2 17.523 2 12S6.477 2 12 2s10 4.477 10 10-4.477 10-10 10zm-1-7v2h2v-2h-2zm0-8v6h2V7h-2z'/%3E%3C/svg%3E");
}

.toast.success {
  background: #f0fdf4;
  color: #16a34a;
  border-left-color: #16a34a;
}

.toast.success::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%2316A34A'%3E%3Cpath d='M12 22C6.477 22 2 17.523 2 12S6.477 2 12 2s10 4.477 10 10-4.477 10-10 10zm-1.177-7.86l-2.765-2.767L7 12.431l3.119 3.121a1 1 0 001.414 0l5.952-5.95-1.062-1.062-5.6 5.6z'/%3E%3C/svg%3E");
}

.toast.warning {
  background: #fffbeb;
  color: #d97706;
  border-left-color: #d97706;
}

.toast.warning::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23D97706'%3E%3Cpath d='M12 22C6.477 22 2 17.523 2 12S6.477 2 12 2s10 4.477 10 10-4.477 10-10 10zm-1-7v2h2v-2h-2zm0-8v6h2V7h-2z'/%3E%3C/svg%3E");
}

.toast.info {
  background: #eff6ff;
  color: #2563eb;
  border-left-color: #2563eb;
}

.toast.info::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%232563EB'%3E%3Cpath d='M12 22C6.477 22 2 17.523 2 12S6.477 2 12 2s10 4.477 10 10-4.477 10-10 10zm-1-11v6h2v-6h-2zm0-4v2h2V7h-2z'/%3E%3C/svg%3E");
}

.toast.fade-out {
  opacity: 0;
  transform: translateY(-1rem);
}

/* 加载遮罩 */
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.spinner {
  width: 50px;
  height: 50px;
  border: 5px solid #f3f3f3;
  border-top: 5px solid #3498db;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.reconnect-btn {
  margin-left: auto;
  padding: 6px 12px;
  background: #3498db;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  display: none;
  width: auto;
  transition: opacity 0.3s ease;
}

/* 连接状态指示器 */
.connection-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  padding: 0.5rem;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.status-indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #ccc;
  transition: background-color 0.3s ease;
}

.status-text {
  color: #666;
  font-weight: 500;
}

#connectionState {
  color: #444;
  font-weight: 600;
}

[data-status="connected"] .status-indicator {
  background: #2ecc71;
}
[data-status="connecting"] .status-indicator {
  background: #f1c40f;
}
[data-status="reconnecting"] .status-indicator {
  background: #e67e22;
}
[data-status="disconnected"] .status-indicator {
  background: #e74c3c;
}