:root {
  --bg-primary: rgba(12, 12, 22, 1);
  --bg-card: rgba(25, 25, 45, 0.7);
  --bg-card-hover: rgba(30, 30, 55, 0.8);
  --glass-border: rgba(140, 130, 200, 0.18);
  --glass-shadow: rgba(120, 110, 200, 0.08);
  --text-primary: #eaeaf2;
  --text-secondary: rgba(210, 210, 230, 0.75);
  --accent: #9585d6;
  --accent-glow: rgba(149, 133, 214, 0.3);
  --sidebar-width: 80px;
  --settings-width: 360px;
  --radius-md: 14px;
  --radius-lg: 20px;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: 'Outfit', sans-serif;
  background-color: #08081a;
  color: var(--text-primary);
  height: 100vh;
  overflow: hidden;
}
.bg-animated {
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 50% 50%, rgba(149, 133, 214, 0.05) 0%, transparent 60%);
  z-index: -1;
  animation: bgRotate 30s linear infinite;
}
@keyframes bgRotate {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}
.app-wrapper {
  display: flex;
  flex-direction: column;
  height: 100vh;
}
.top-nav {
  height: 60px;
  background: rgba(12, 12, 22, 0.9);
  border-bottom: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  z-index: 10;
}
.nav-brand {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-brand i { color: var(--accent); }
.nav-center {
  display: flex;
  background: var(--bg-card);
  padding: 4px;
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
}
.view-toggle {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 6px 16px;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s;
  font-size: 1rem;
}
.view-toggle:hover { color: var(--text-primary); }
.view-toggle.active {
  background: rgba(149, 133, 214, 0.2);
  color: var(--accent);
}
.btn-glow {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 8px 20px;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.3s;
  box-shadow: 0 0 15px var(--accent-glow);
  display: flex;
  align-items: center;
  gap: 8px;
}
.btn-glow:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 25px var(--accent-glow);
}
.btn-glow:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}
.app-main {
  display: flex;
  flex: 1;
  overflow: hidden;
}
.sidebar-menu {
  width: var(--sidebar-width);
  background: rgba(12, 12, 22, 0.7);
  border-right: 1px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px 0;
  gap: 15px;
  backdrop-filter: blur(10px);
}
.menu-item {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  transition: all 0.3s;
}
.menu-item i { font-size: 1.2rem; }
.menu-item span { font-size: 0.6rem; font-weight: 500; font-family: 'Outfit'; }
.menu-item:hover {
  background: var(--bg-card);
  color: var(--text-primary);
}
.menu-item.active {
  background: rgba(149, 133, 214, 0.15);
  border-color: var(--accent);
  color: var(--accent);
}
.settings-panel {
  width: var(--settings-width);
  background: rgba(15, 15, 25, 0.6);
  border-right: 1px solid var(--glass-border);
  backdrop-filter: blur(15px);
  position: relative;
  overflow: hidden;
}
.settings-tab {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  padding: 24px;
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transform: translateX(-20px);
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.settings-tab.active {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}
.tab-title {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.tab-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}
.form-section {
  margin-bottom: 20px;
}
.form-section label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
}
.glass-input {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  padding: 12px 14px;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.95rem;
  transition: all 0.3s;
}
.glass-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 10px rgba(149, 133, 214, 0.15);
  background: var(--bg-card-hover);
}
.file-upload-box {
  position: relative;
  width: 100%;
  padding: 20px;
  border: 1px dashed var(--glass-border);
  border-radius: var(--radius-md);
  background: rgba(0,0,0,0.2);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s;
  overflow: hidden;
}
.file-upload-box:hover {
  border-color: var(--accent);
  background: rgba(149, 133, 214, 0.05);
}
.file-upload-box i {
  font-size: 24px;
  color: var(--text-secondary);
}
.file-upload-box span {
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.file-upload-box input[type="file"] {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  opacity: 0; cursor: pointer;
}
.toggle-label {
  display: flex !important;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-card);
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  cursor: pointer;
  transition: all 0.3s;
}
.toggle-label:hover {
  border-color: var(--accent);
}
.toggle-label span {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-primary);
}
.toggle-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
  cursor: pointer;
}
.color-picker-group {
  display: flex;
  gap: 12px;
}
.color-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  background: var(--bg-card);
  padding: 10px;
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
}
.color-item input[type="color"] {
  width: 100%;
  height: 30px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  background: transparent;
}
.color-item span {
  font-size: 0.75rem;
  color: var(--text-secondary);
}
.template-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.template-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 16px 10px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s;
}
.template-card:hover {
  border-color: var(--text-secondary);
  transform: translateY(-2px);
}
.template-card.active {
  border-color: var(--accent);
  background: rgba(149, 133, 214, 0.15);
  box-shadow: 0 5px 15px rgba(149, 133, 214, 0.1);
}
.template-card i {
  font-size: 1.8rem;
  margin-bottom: 10px;
  color: var(--text-secondary);
  transition: 0.3s;
}
.template-card.active i { color: var(--accent); }
.template-card span {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
}
.preview-area {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: radial-gradient(circle at center, rgba(30,30,50,0.5) 0%, rgba(10,10,20,0.8) 100%);
  overflow-y: auto;
}
.preview-wrapper {
  background: #fff; 
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 50px rgba(0,0,0,0.5);
  border: 1px solid rgba(255,255,255,0.1);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.preview-wrapper.mobile-view {
  width: 375px;
  height: 700px;
  border-radius: 36px;
  border: 8px solid #1e1e2d;
}
.preview-wrapper.pc-view {
  width: 100%;
  max-width: 1200px;
  height: 100%;
  max-height: 800px;
  border-radius: 12px;
  border: 1px solid var(--glass-border);
}
.preview-header {
  height: 40px;
  background: #1e1e2d;
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 16px;
}
.preview-wrapper.pc-view .preview-header {
  border-bottom: 1px solid #333;
}
.window-dots {
  display: flex;
  gap: 8px;
}
.window-dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #444;
}
.window-dots span:nth-child(1) { background: #ff5f56; }
.window-dots span:nth-child(2) { background: #ffbd2e; }
.window-dots span:nth-child(3) { background: #27c93f; }
.preview-url {
  background: #0f0f1a;
  color: #888;
  font-size: 0.75rem;
  padding: 4px 16px;
  border-radius: 12px;
  flex: 1;
  text-align: center;
  font-family: var(--font-mono);
}
.preview-iframe {
  flex: 1;
  width: 100%;
  border: none;
  background: #000;
}
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }