:root {
  color-scheme: dark;
  font-family: "Inter", "HarmonyOS Sans", "PingFang SC", "Helvetica Neue", sans-serif;
  --bg: #05060a;
  --bg-alt: #0b0f19;
  --panel: rgba(16, 20, 35, 0.85);
  --panel-border: rgba(255, 255, 255, 0.08);
  --primary: #7c5dfa;
  --primary-hover: #a08bff;
  --text: #f4f6fb;
  --muted: #8c93ad;
  --accent: #48e6c8;
  --danger: #ff7f9d;
  --success: #5cf59b;
  --grid-gap: clamp(1rem, 2vw, 2rem);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  /* 使用伪元素优化背景渐变，避免重绘 */
}

body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 50vh;
  background: radial-gradient(circle at 20% 0%, rgba(124, 93, 250, 0.18), transparent 50%);
  pointer-events: none;
  z-index: -1;
  will-change: auto;
}

.language-switch {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.5rem clamp(1rem, 6vw, 6rem) 0;
  font-size: 0.85rem;
  color: var(--muted);
}

.language-switch__label {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.8;
}

.language-switch a {
  border-radius: 999px;
  padding: 0.25rem 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.15);
  text-decoration: none;
  color: var(--text);
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.language-switch a.is-active {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #05060a;
  border-color: transparent;
}

.language-switch a:not(.is-active):hover {
  color: var(--primary-hover);
  border-color: rgba(255, 255, 255, 0.4);
}

img {
  max-width: 100%;
  display: block;
  border-radius: 1rem;
}

a {
  color: inherit;
}

.hero {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding: clamp(1.5rem, 1vw, 1.5rem) clamp(1rem, 6vw, 6rem);
}

.hero__eyebrow {
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.85rem;
}

.hero__intro {
  max-width: 1220px;
}

.hero__intro h1 {
  margin: 0.4rem 0 0.6rem;
}

.hero__lede {
  font-size: 1.1rem;
  color: var(--muted);
  margin-bottom: 0;
}

.hero__panel {
  width: 100%;
}

.workbench {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(380px, 42%);
  gap: 1rem;
  align-items: flex-start;
}

.workbench__form {
  display: flex;
  flex-direction: column;
}

.form-top-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.field-prompt {
  margin-bottom: 0;
}

.form-right {
  display: flex;
  flex-direction: column;
  gap: 0;
  width: 180px;
  flex-shrink: 0;
}

.form-right .field input[type="number"] {
  width: 100%;
}

.workbench__preview {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 1.25rem;
  padding: 1rem;
}

.preview-canvas {
  border-radius: 1rem;
  overflow: hidden;
  position: relative;
  min-height: clamp(320px, 40vh, 480px);
  max-height: 520px;
  background-image: 
    linear-gradient(45deg, rgba(255, 255, 255, 0.18) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(255, 255, 255, 0.18) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(255, 255, 255, 0.18) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(255, 255, 255, 0.18) 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
  background-color: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
}

.preview-canvas img {
  width: 100%;
  max-height: 520px;
  display: block;
  border-radius: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  object-fit: contain;
}

.preview-placeholder {
  position: absolute;
  inset: 0;
  border-radius: 1rem;
  background-image: 
    linear-gradient(45deg, rgba(255, 255, 255, 0.22) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(255, 255, 255, 0.22) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(255, 255, 255, 0.22) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(255, 255, 255, 0.22) 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
  background-color: rgba(255, 255, 255, 0.12);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

/* 预览区域 loading 状态 */
.preview-placeholder.is-loading {
  background-color: rgba(255, 255, 255, 0.06);
}

.preview-placeholder .loading-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 2rem;
}

.preview-placeholder .loading-spinner {
  width: 48px;
  height: 48px;
}

.preview-placeholder .loading-text {
  font-size: 1rem;
  color: var(--muted);
  text-align: center;
}

.preview-placeholder.is-loading .loading-text {
  color: var(--accent);
  font-weight: 600;
}

.preview-placeholder .loading-progress {
  width: 200px;
  height: 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  overflow: hidden;
}

.preview-placeholder .loading-progress__bar {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  width: 0;
  transition: width 0.3s ease-out;
}

.preview-canvas img[hidden],
.preview-canvas img:not([src]) {
  display: none !important;
}

.preview-hint {
  margin: 0.75rem 0 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.shell {
  padding: clamp(2rem, 5vw, 4rem) clamp(1rem, 5vw, 6rem);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--grid-gap);
}

.shell--alt {
  background: linear-gradient(110deg, rgba(124, 93, 250, 0.08), rgba(72, 230, 200, 0.06));
  /* 降低渐变复杂度 */
}

.panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 1.5rem;
  padding: clamp(0.5rem, 3vw, 2.5rem);
  content-visibility: auto;
  contain: layout paint;
  contain-intrinsic-size: 560px;
}


.panel--secondary {
  background: rgba(72, 230, 200, 0.08);
}

.panel--wide {
  grid-template-columns: 1fr 1fr;
  display: grid;
  gap: var(--grid-gap);
}

.panel__header {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  margin-bottom: 1.5rem;
}

.panel__eyebrow {
  color: var(--accent);
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
}

.panel__header--compact {
  align-items: center;
  margin-bottom: 1rem;
}

.panel__actions {
  display: flex;
  gap: 0.75rem;
}

.panel__note {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.panel__tips {
  margin: 1.5rem 0 0;
  padding-left: 1.25rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.panel__tips li {
  margin-bottom: 0.4rem;
}

.panel__tips--preview {
  margin: 1rem 0 0;
  padding-left: 1.25rem;
  font-size: 0.85rem;
  line-height: 1.5;
}

.panel__tips--preview li {
  margin-bottom: 0.35rem;
}

.panel__divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.12) 10%, rgba(255, 255, 255, 0.12) 90%, transparent);
  margin: 1.5rem 0 1.25rem;
}

.tasks-section {
  margin-top: 0.5rem;
}

.tasks-section__title {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0;
  color: var(--text);
  letter-spacing: -0.01em;
}

.panel__header--tasks {
  align-items: center;
  margin-bottom: 1.25rem;
}

.panel__cta {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.field span {
  font-size: 0.9rem;
  color: var(--muted);
}

.field-grid--compact {
  grid-template-columns: 120px minmax(0, 1fr);
}

.field-grid--compact .field input[type="number"] {
  width: 120px;
}

.field__hint {
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0.25rem 0 0;
}

textarea,
input,
select {
  border-radius: 1rem;
  padding: 0.9rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  font-size: 1rem;
  font-family: inherit;
  width: 100%;
}

textarea:focus,
input:focus,
select:focus {
  outline: 2px solid var(--primary);
  border-color: transparent;
}

.input--disabled {
  opacity: 0.5;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
}

.size-picker {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.65rem;
}

.size-card {
  position: relative;
  cursor: pointer;
}

.size-card input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.size-card__content {
  border-radius: 1.25rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  background: rgba(255, 255, 255, 0.02);
  transition: border 0.15s ease;
}

.size-card input:focus-visible + .size-card__content {
  outline: 2px solid var(--primary);
}

.size-card input:checked + .size-card__content {
  border-color: var(--accent);
}

.size-icon {
  width: 100%;
  height: 48px;
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.03);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.size-icon::after {
  content: "";
  display: block;
  width: var(--icon-width, 32px);
  height: var(--icon-height, 32px);
  margin: 0 auto;
  border-radius: 0.4rem;
  background: linear-gradient(135deg, rgba(72, 230, 200, 0.8), rgba(124, 93, 250, 0.8));
  box-shadow: 0 0 0 1px rgba(5, 6, 10, 0.4);
}

.size-card__meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.size-label {
  font-weight: 600;
  font-size: 0.9rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.size-tag {
  font-size: 0.8rem;
  color: var(--muted);
  white-space: nowrap;
  flex-shrink: 0;
}

.size-picker .size-card[data-extra="true"] {
  display: none;
}

.size-picker.is-expanded .size-card[data-extra="true"] {
  display: block;
}

.size-toggle {
  margin-top: 0.35rem;
  background: none;
  border: none;
  color: var(--accent);
  font-weight: 600;
  cursor: pointer;
  padding: 0;
}

.seed-field {
  margin-bottom: 0.5rem;
}

.seed-control {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.seed-control input[type="number"] {
  width: 120px;
  flex-shrink: 0;
}

.seed-control-vertical {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.seed-control-vertical input[type="number"] {
  width: 100%;
}

.seed-random {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.35rem;
  font-size: 0.85rem;
  color: var(--muted);
  white-space: nowrap;
  flex-shrink: 0;
}

.samples {
  margin: 1.25rem 0 0;
}

.samples__header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.samples__header p {
  color: var(--muted);
  font-size: 0.8rem;
  margin: 0;
}

.samples__title {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0;
  color: var(--text);
  letter-spacing: -0.01em;
}

.samples-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem;
}

.sample-card {
  border-radius: 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
  padding: 0.5rem 0.75rem;
  color: var(--text);
  font-size: 0.85rem;
  cursor: pointer;
  text-align: left;
  transition: border 0.15s ease;
  line-height: 1.4;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  width: 100%;
}

.sample-card:hover {
  border-color: var(--primary-hover);
}

.field--inline {
  flex-direction: row;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.95rem;
  color: var(--muted);
}

.btn {
  border: none;
  border-radius: 999px;
  padding: 0.85rem 1.6rem;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.btn--primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #05060a;
  transform: translateZ(0);
  /* GPU加速 */
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn--ghost:hover {
  color: var(--primary-hover);
}

.btn--danger {
  color: var(--danger);
  border-color: rgba(255, 127, 157, 0.3);
}

.btn--danger:hover {
  background: rgba(255, 127, 157, 0.1);
  border-color: var(--danger);
}

.full-width {
  width: 100%;
}

.tasks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}

.task-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 1rem;
  padding: 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  content-visibility: auto;
  contain: layout paint;
  contain-intrinsic-size: 320px;
  position: relative;
}

.task-card-delete {
  background: rgba(255, 127, 157, 0.15);
  border: 1px solid rgba(255, 127, 157, 0.3);
  color: var(--danger);
  border-radius: 999px;
  padding: 0.35rem 0.85rem;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.task-card-delete:hover {
  background: rgba(255, 127, 157, 0.25);
  border-color: var(--danger);
}

.task-card img {
  width: 100%;
  height: 220px;
  border-radius: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  object-fit: contain;
  background: rgba(255, 255, 255, 0.02);
}

.task-card img[hidden] {
  display: none !important;
}

.skeleton {
  width: 100%;
  height: 220px;
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.06);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

.skeleton[hidden] {
  display: none !important;
}

/* Loading 动画容器 */
.loading-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 1.5rem;
  width: 100%;
}

/* 转圈 Loading 动画 */
.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(255, 255, 255, 0.1);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.loading-spinner--small {
  width: 28px;
  height: 28px;
  border-width: 2px;
}

.loading-spinner--large {
  width: 56px;
  height: 56px;
  border-width: 4px;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Loading 状态文字 */
.loading-text {
  font-size: 0.85rem;
  color: var(--muted);
  text-align: center;
}

/* Loading 进度条（skeleton 内的） */
.loading-progress {
  width: 80%;
  max-width: 200px;
  height: 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.loading-progress__bar {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  width: 0;
  transition: width 0.3s ease-out;
}

.btn--small {
  padding: 0.4rem 1rem;
  font-size: 0.8rem;
}

.task-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--muted);
}

.status-chip {
  padding: 0.2rem 0.8rem;
  border-radius: 999px;
  font-size: 0.8rem;
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
}

.status-chip[data-state="queued"] {
  background: rgba(124, 93, 250, 0.15);
  color: var(--primary-hover);
}

.status-chip[data-state="running"] {
  background: rgba(72, 230, 200, 0.15);
  color: var(--accent);
}

.status-chip[data-state="done"] {
  background: rgba(92, 245, 155, 0.15);
  color: var(--success);
}

.status-chip[data-state="failed"] {
  background: rgba(255, 127, 157, 0.15);
  color: var(--danger);
}

.progress {
  width: 100%;
  height: 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.progress__bar {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  width: 0;
  will-change: width;
  transform: translateZ(0);
  transition: width 0.3s ease-out;
  /* GPU加速和过渡优化 */
}

.tasks-empty {
  text-align: center;
  padding: 1.5rem;
  color: var(--muted);
  display: none;
  font-size: 0.9rem;
}

/* 提示词显示样式 - 最多4行 */
.task-prompt {
  margin: 0.5rem 0;
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--text);
  position: relative;
}

.task-prompt.is-collapsed {
  display: -webkit-box;
  -webkit-line-clamp: 4;
  line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}

.task-prompt.is-expanded {
  display: block;
}

.task-prompt-toggle {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 0.85rem;
  cursor: pointer;
  padding: 0.25rem 0;
  margin-top: 0.25rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.task-prompt-toggle:hover {
  color: var(--primary-hover);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.feature-card {
  background: rgba(255, 255, 255, 0.04);
  border-radius: 1rem;
  padding: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.06);
  content-visibility: auto;
  contain: layout paint;
  contain-intrinsic-size: 220px;
}

.faq details {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1rem 0;
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
}

.faq p {
  color: var(--muted);
  margin-top: 0.5rem;
}

.footer {
  text-align: center;
  color: var(--muted);
  gap: 0;
}

.footer a {
  color: var(--accent);
}

@keyframes shimmer {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }

  body::before {
    display: none;
  }

  .skeleton {
    background-color: rgba(255, 255, 255, 0.06);
  }
}

@media (max-width: 768px) {
  .panel--wide {
    grid-template-columns: 1fr;
  }
  .field--inline {
    flex-direction: column;
    align-items: flex-start;
  }
  .workbench {
    grid-template-columns: 1fr;
  }
  .form-top-grid {
    grid-template-columns: 1fr;
  }
  .form-right {
    width: 100%;
  }
  .size-picker {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .field-grid--compact {
    grid-template-columns: 1fr;
  }
  .field-grid--compact .field input[type="number"] {
    width: 100%;
  }
  .seed-control {
    flex-wrap: wrap;
  }
  .seed-control input[type="number"] {
    width: 100%;
  }
  .tasks-section__title,
  .samples__title {
    font-size: 1.25rem;
  }
}

/* 性能优化：GPU加速关键动画元素 */
.btn,
.task-card,
.size-card__content,
.sample-card {
  transform: translateZ(0);
  backface-visibility: hidden;
}

/* 优化图片渲染 */
img {
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
}

/* 减少重排 */
.task-card img,
.preview-canvas img {
  contain: layout style paint;
}

/* 全屏遮罩层 */
.fullscreen-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(5, 6, 10, 0.95);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.fullscreen-overlay.show {
  display: flex;
  opacity: 1;
}

.overlay-content {
  text-align: center;
  padding: 2rem;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 1rem;
  max-width: 90%;
  min-width: 320px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.overlay-content.error {
  border-color: var(--danger);
  box-shadow: 0 0 30px rgba(255, 127, 157, 0.2);
}

/* Loading 转圈动画 */
.loading-spinner {
  width: 60px;
  height: 60px;
  border: 4px solid rgba(124, 93, 250, 0.2);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 1.5rem;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.overlay-text {
  font-size: 1.25rem;
  color: var(--text);
  margin: 0 0 1rem 0;
  font-weight: 500;
}

.overlay-message {
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.6;
  margin: 1rem 0;
}

.overlay-message.error-text {
  color: var(--danger);
}

.overlay-close-btn {
  margin-top: 1.5rem;
  padding: 0.75rem 2rem;
  background: var(--primary);
  color: var(--text);
  border: none;
  border-radius: 0.5rem;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s ease;
  font-weight: 500;
}

.overlay-close-btn:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(124, 93, 250, 0.4);
}

.overlay-close-btn:active {
  transform: translateY(0);
}