/* Gaming 电竞 RGB 流光风格主题 */

@import url('https://fonts.googleapis.com/css2?family=Teko:wght@400;600;700&display=swap');

.gm-root {
  --gm-bg: #0d0d0d;
  --gm-surface: #151515;
  --gm-text: #ffffff;
  --gm-muted: #888888;
  
  font-family: 'Teko', sans-serif;
  background: transparent;
  color: var(--gm-text);
  -webkit-font-smoothing: antialiased;
}

.gm-window {
  width: 680px;
  height: 480px;
  position: relative;
  border-radius: 12px;
  background: var(--gm-bg);
}

/* 核心特效：RGB 旋转边框 */
.gm-rgb-border, .gm-rgb-glow {
  position: absolute;
  top: -2px; left: -2px; right: -2px; bottom: -2px;
  border-radius: 14px;
  background: conic-gradient(from 0deg, #ff0000, #ff7300, #fffb00, #48ff00, #00ffd5, #002bff, #7a00ff, #ff00c8, #ff0000);
  animation: gmRgbSpin 4s linear infinite;
  z-index: 0;
}

.gm-rgb-glow {
  filter: blur(20px);
  opacity: 0.7;
}

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

.gm-inner {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--gm-surface);
  border-radius: 12px;
  z-index: 1;
  display: flex;
  flex-direction: column;
}

header {
  height: 50px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 24px;
  background: rgba(0,0,0,0.5);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  border-radius: 12px 12px 0 0;
  -webkit-app-region: drag;
}

.gm-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 2px;
}

.gm-brand img {
  width: 24px;
  height: 24px;
}

.gm-close {
  background: transparent;
  border: none;
  color: var(--gm-muted);
  cursor: pointer;
  -webkit-app-region: no-drag;
  transition: color 0.2s, transform 0.2s;
}
.gm-close:hover {
  color: #ff0000;
  transform: scale(1.2);
}

main {
  flex: 1;
  padding: 30px 40px;
  display: flex;
  flex-direction: column;
}

.gm-step {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.gm-center {
  justify-content: center;
  align-items: center;
}

.gm-center-content {
  text-align: center;
}

.gm-anim {
  animation: gmGlitchIn 0.4s ease-out forwards;
}

@keyframes gmGlitchIn {
  0% { opacity: 0; transform: scale(1.05); filter: contrast(200%); }
  100% { opacity: 1; transform: scale(1); filter: none; }
}

.gm-hero h1 {
  font-size: 42px;
  font-weight: 700;
  margin: 0 0 4px;
  letter-spacing: 1px;
}

.gm-hero p {
  font-size: 20px;
  color: var(--gm-muted);
  margin: 0 0 32px;
}

.gm-form {
  margin-top: auto;
}

.gm-label {
  font-size: 16px;
  color: var(--gm-muted);
  margin-bottom: 8px;
  letter-spacing: 2px;
}

.gm-input-group {
  display: flex;
  background: rgba(0,0,0,0.6);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 4px;
  border-radius: 6px;
  cursor: pointer;
  -webkit-app-region: no-drag;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.gm-input-group:hover {
  border-color: var(--gm-primary);
  box-shadow: 0 0 10px color-mix(in srgb, var(--gm-primary) 30%, transparent);
}

.gm-path {
  flex: 1;
  font-family: monospace;
  font-size: 16px;
  padding: 8px 12px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.gm-btn-sm {
  background: var(--gm-primary);
  color: #000;
  font-size: 16px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 4px;
  letter-spacing: 1px;
}

/* 进度条 */
.gm-progress-container {
  width: 100%;
  text-align: center;
}

.gm-percent {
  font-size: 80px;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 16px;
  text-shadow: 0 0 20px rgba(255,255,255,0.3);
}

.gm-progress-bar {
  width: 100%;
  height: 16px;
  background: #000;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 16px;
}

.gm-progress-fill {
  height: 100%;
  background: var(--gm-primary);
  box-shadow: 0 0 20px var(--gm-primary);
  position: relative;
  transition: width 0.1s linear;
}

.gm-progress-rgb {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.8), transparent);
  animation: gmShimmer 1s infinite;
}
@keyframes gmShimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.gm-status {
  font-size: 20px;
  color: var(--gm-muted);
  letter-spacing: 1px;
}

/* 成功面板 */
.gm-success-icon {
  color: var(--gm-primary);
  filter: drop-shadow(0 0 15px var(--gm-primary));
  margin-bottom: 16px;
}

.gm-features {
  display: flex;
  gap: 16px;
  margin-top: 32px;
  justify-content: center;
}

.gm-feature-card {
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 1px;
  animation: gmPopUp 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) backwards;
}
.gm-feature-card:hover {
  border-color: var(--gm-primary);
  box-shadow: 0 0 15px color-mix(in srgb, var(--gm-primary) 20%, transparent);
}

@keyframes gmPopUp {
  0% { transform: scale(0.8) translateY(20px); opacity: 0; }
  100% { transform: scale(1) translateY(0); opacity: 1; }
}

/* Footer */
footer {
  padding: 16px 40px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  -webkit-app-region: no-drag;
}

.gm-link {
  font-size: 16px;
  color: var(--gm-muted);
  text-decoration: underline;
}
.gm-link:hover {
  color: #fff;
}

/* RGB 按钮特效 */
.gm-btn {
  position: relative;
  background: #000;
  border: none;
  padding: 2px;
  border-radius: 6px;
  cursor: pointer;
  outline: none;
}

.gm-btn::before {
  content: "";
  position: absolute;
  top: -2px; left: -2px; right: -2px; bottom: -2px;
  background: conic-gradient(from 0deg, #ff0000, #ff7300, #fffb00, #48ff00, #00ffd5, #002bff, #7a00ff, #ff00c8, #ff0000);
  border-radius: 8px;
  z-index: -1;
  animation: gmRgbSpin 2s linear infinite;
  opacity: 0;
  transition: opacity 0.3s;
}

.gm-btn:hover::before {
  opacity: 1;
}

.gm-btn-content {
  background: var(--gm-primary);
  color: #000;
  padding: 10px 40px;
  border-radius: 4px;
  font-family: inherit;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 2px;
  transition: background 0.3s;
}

.gm-btn:hover .gm-btn-content {
  background: #151515;
  color: #fff;
}

.gm-btn-full {
  width: 100%;
}