/* Synthwave 80年代复古霓虹风 */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,700;1,900&display=swap');

.synth-root {
  --sw-bg: #090220;
  --sw-grid: #ff00ff;
  --sw-pink: #ff00a0;
  --sw-cyan: #00ffff;
  --sw-text: #ffffff;
  
  font-family: 'Montserrat', sans-serif;
  background: transparent;
  color: var(--sw-text);
  -webkit-font-smoothing: antialiased;
}

.synth-window {
  width: 640px;
  height: 480px;
  background: var(--sw-bg);
  border: 2px solid var(--sw-cyan);
  box-shadow: 0 0 20px var(--sw-cyan), inset 0 0 30px rgba(0, 255, 255, 0.2);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  border-radius: 8px;
}

/* 动态透视网格 */
.synth-bg {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.synth-sun {
  position: absolute;
  bottom: 40%;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 200px;
  background: linear-gradient(to bottom, #ffea00, #ff00a0);
  border-radius: 50%;
  box-shadow: 0 0 40px #ff00a0;
  mask-image: linear-gradient(to bottom, black 40%, transparent 40%, transparent 45%, black 45%, black 55%, transparent 55%, transparent 60%, black 60%, black 75%, transparent 75%, transparent 80%, black 80%);
  -webkit-mask-image: linear-gradient(to bottom, black 40%, transparent 40%, transparent 45%, black 45%, black 55%, transparent 55%, transparent 60%, black 60%, black 75%, transparent 75%, transparent 80%, black 80%);
}

.synth-grid {
  position: absolute;
  bottom: -50%;
  left: -50%;
  width: 200%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(255, 0, 255, 0.5) 2px, transparent 2px),
    linear-gradient(90deg, rgba(255, 0, 255, 0.5) 2px, transparent 2px);
  background-size: 40px 40px;
  transform: perspective(300px) rotateX(60deg);
  animation: synthGridMove 2s linear infinite;
}

@keyframes synthGridMove {
  from { background-position: 0 0; }
  to { background-position: 0 40px; }
}

header {
  position: relative;
  z-index: 1;
  height: 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px;
  background: rgba(9, 2, 32, 0.8);
  border-bottom: 1px solid var(--sw-pink);
  -webkit-app-region: drag;
}

.synth-brand {
  font-style: italic;
  font-weight: 900;
  font-size: 16px;
  color: var(--sw-text);
  text-shadow: 2px 2px 0 var(--sw-pink);
  letter-spacing: 2px;
}

.synth-close {
  background: transparent;
  border: none;
  color: var(--sw-cyan);
  font-size: 16px;
  cursor: pointer;
  -webkit-app-region: no-drag;
}
.synth-close:hover {
  color: var(--sw-pink);
  text-shadow: 0 0 10px var(--sw-pink);
}

main {
  position: relative;
  z-index: 1;
  flex: 1;
  padding: 40px;
  display: flex;
  flex-direction: column;
}

.synth-step {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: rgba(9, 2, 32, 0.6); /* 半透明底色增强可读性 */
  backdrop-filter: blur(4px);
  border: 1px solid rgba(0, 255, 255, 0.3);
  padding: 24px;
  border-radius: 8px;
}

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

.synth-anim {
  animation: swFadeIn 0.5s ease forwards;
}

@keyframes swFadeIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

.synth-glow-text {
  font-size: 32px;
  font-weight: 900;
  font-style: italic;
  margin: 0 0 8px;
  color: var(--sw-pink);
  text-shadow: 0 0 10px var(--sw-pink), 0 0 20px var(--sw-pink), 2px 2px 0 var(--sw-cyan);
  text-transform: uppercase;
}

.synth-sub {
  font-size: 14px;
  color: #fff;
  text-shadow: 0 0 4px #fff;
  margin-bottom: 24px;
}

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

.synth-form label {
  display: block;
  font-size: 12px;
  color: var(--sw-cyan);
  margin-bottom: 8px;
  letter-spacing: 2px;
}

.synth-input-group {
  display: flex;
  background: rgba(0, 255, 255, 0.1);
  border: 1px solid var(--sw-cyan);
  align-items: center;
  padding: 6px;
  cursor: pointer;
  -webkit-app-region: no-drag;
}
.synth-input-group:hover {
  box-shadow: 0 0 15px rgba(0, 255, 255, 0.3);
}

.synth-path {
  flex: 1;
  font-family: monospace;
  font-size: 13px;
  padding: 0 12px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.synth-btn-sm {
  background: var(--sw-cyan);
  color: var(--sw-bg);
  border: none;
  font-weight: 900;
  font-style: italic;
  padding: 6px 16px;
  cursor: pointer;
}

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

.synth-percent {
  font-size: 64px;
  font-weight: 900;
  font-style: italic;
  color: #fff;
  margin-bottom: 20px;
}

.synth-progress-bar {
  height: 20px;
  background: rgba(255, 0, 255, 0.2);
  border: 2px solid var(--sw-pink);
  box-shadow: 0 0 10px var(--sw-pink);
  margin-bottom: 16px;
  position: relative;
  overflow: hidden;
}

.synth-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--sw-pink), var(--sw-cyan));
  box-shadow: 0 0 20px var(--sw-cyan);
  transition: width 0.2s linear;
}

.synth-status {
  font-size: 14px;
  color: var(--sw-cyan);
  text-transform: uppercase;
  letter-spacing: 2px;
}

/* 特性标签 */
.synth-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 16px;
}

.synth-feature-item {
  background: rgba(0, 255, 255, 0.1);
  border-left: 4px solid var(--sw-cyan);
  padding: 8px 16px;
  font-weight: 700;
  font-style: italic;
  letter-spacing: 1px;
}

/* Footer */
footer {
  position: relative;
  z-index: 1;
  padding: 16px 40px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  -webkit-app-region: no-drag;
}

.synth-link {
  font-size: 12px;
  color: var(--sw-text);
  letter-spacing: 2px;
  text-shadow: 0 0 4px #fff;
}

.synth-btn {
  background: var(--sw-pink);
  color: var(--sw-text);
  border: 2px solid var(--sw-text);
  box-shadow: 0 0 15px var(--sw-pink), inset 0 0 10px var(--sw-pink);
  padding: 10px 32px;
  font-family: inherit;
  font-size: 16px;
  font-weight: 900;
  font-style: italic;
  letter-spacing: 2px;
  cursor: pointer;
  transition: all 0.2s;
}

.synth-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 0 25px var(--sw-pink), inset 0 0 15px var(--sw-pink);
}

.synth-btn-cyan {
  background: var(--sw-cyan);
  color: var(--sw-bg);
  border-color: var(--sw-text);
  box-shadow: 0 0 15px var(--sw-cyan), inset 0 0 10px var(--sw-cyan);
}
.synth-btn-cyan:hover {
  box-shadow: 0 0 25px var(--sw-cyan), inset 0 0 15px var(--sw-cyan);
}