/* ============================================================
   A2A Hub — Get Started Page Styles V2.0
   ============================================================ */
.a2a-gs-root {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--text-primary);
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.a2a-gs-root * { box-sizing: border-box; margin: 0; padding: 0; }

.a2a-gs-container {
  width: 100%;
  max-width: 680px;
  padding: 40px 24px;
}

.a2a-gs-header {
  text-align: center;
  margin-bottom: 40px;
}
.a2a-gs-header h1 {
  font-family: "Outfit", "PingFang SC", sans-serif;
  font-size: 32px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.a2a-gs-header h1 span {
  background: linear-gradient(135deg, #E6C26E, #D4A050);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.a2a-gs-header p { color: var(--text-secondary); font-size: 15px; }

/* Stepper */
.a2a-gs-stepper {
  display: flex;
  justify-content: space-between;
  margin-bottom: 36px;
  position: relative;
}
.a2a-gs-stepper::before {
  content: "";
  position: absolute;
  top: 16px; left: 40px; right: 40px;
  height: 2px;
  background: rgba(255,255,255,0.08);
  z-index: 0;
}
.a2a-gs-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  position: relative;
  z-index: 1;
  flex: 1;
}
.a2a-gs-step-circle {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: rgba(13,21,37,0.9);
  border: 2px solid rgba(255,255,255,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-secondary);
  transition: all 0.3s;
}
.a2a-gs-step.active .a2a-gs-step-circle {
  border-color: #E6C26E;
  color: #f0d26b;
  background: rgba(230,194,110,0.08);
}
.a2a-gs-step.done .a2a-gs-step-circle {
  background: #E6C26E;
  border-color: #E6C26E;
  color: #090E1A;
}
.a2a-gs-step-label {
  font-size: 11px;
  color: var(--text-tertiary);
  font-weight: 500;
}
.a2a-gs-step.active .a2a-gs-step-label { color: #f0d26b; }
.a2a-gs-step.done .a2a-gs-step-label { color: #7CC576; }

/* Form Panel */
.a2a-gs-panel {
  background: rgba(13,21,37,0.8);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 16px;
  padding: 32px;
  min-height: 320px;
}
.a2a-gs-panel h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 24px;
}
.a2a-gs-form-group {
  margin-bottom: 20px;
}
.a2a-gs-form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}
.a2a-gs-form-group input,
.a2a-gs-form-group select,
.a2a-gs-form-group textarea {
  width: 100%;
  background: rgba(0,0,0,0.3);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 10px;
  padding: 12px 16px;
  color: var(--text-primary);
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.3s;
}
.a2a-gs-form-group input:focus,
.a2a-gs-form-group select:focus,
.a2a-gs-form-group textarea:focus {
  border-color: #E6C26E;
}
.a2a-gs-form-group textarea { min-height: 80px; resize: vertical; }
.a2a-gs-form-group .a2a-gs-error {
  color: #E74C3C;
  font-size: 12px;
  margin-top: 6px;
  display: none;
}
.a2a-gs-form-group.error .a2a-gs-error { display: block; }
.a2a-gs-form-group.error input,
.a2a-gs-form-group.error select {
  border-color: #E74C3C;
}

/* Buttons */
.a2a-gs-buttons {
  display: flex;
  justify-content: space-between;
  margin-top: 32px;
  gap: 16px;
}
.a2a-gs-btn {
  padding: 12px 28px;
  border-radius: 24px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  border: none;
  font-family: inherit;
  transition: all 0.3s;
}
.a2a-gs-btn-prev {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--text-secondary);
}
.a2a-gs-btn-prev:hover { border-color: var(--text-primary); color: var(--text-primary); }
.a2a-gs-btn-next {
  background: linear-gradient(135deg, #E6C26E, #D4A050);
  color: #090E1A;
  margin-left: auto;
}
.a2a-gs-btn-next:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(230,194,110,0.3);
}
.a2a-gs-btn-submit {
  background: linear-gradient(135deg, #7CC576, #5DA04E);
  color: var(--text-primary);
  margin-left: auto;
}
.a2a-gs-btn-submit:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(124,197,118,0.3);
}

/* Preview */
.a2a-gs-preview {
  background: rgba(0,0,0,0.2);
  border-radius: 10px;
  padding: 20px;
  font-size: 13px;
  line-height: 1.8;
}
.a2a-gs-preview dt { color: var(--text-tertiary); font-weight: 600; }
.a2a-gs-preview dd { color: var(--text-primary); margin-bottom: 10px; }

@media (max-width: 600px) {
  .a2a-gs-panel { padding: 20px; }
  .a2a-gs-stepper::before { left: 20px; right: 20px; }
  .a2a-gs-step-label { font-size: 10px; }
}