@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;500;600;700&display=swap');

:root {
  --bg-start: #f5f7fa;
  --bg-end: #fafafa;
  --text-primary: #1a1b1f;
  --text-secondary: #5d6c7b;
  --card-bg: #ffffff;
  --card-shadow: 0 18px 38px rgba(18, 34, 52, 0.08);
  --line-color: #e4ebf3;
  --accent-red: #ff2c55;
  --accent-green: #00b67a;
  --accent-blue: #0082f3;
  --border-radius-lg: 20px;
  --border-radius-md: 14px;
  --border-radius-sm: 10px;
  --spacing-xs: 0.4rem;
  --spacing-sm: 0.8rem;
  --spacing-md: 1.2rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --transition: all 0.25s ease;
  --input-shadow: 0 12px 24px rgba(20, 30, 40, 0.06);
  --inner-shadow: inset 0 1px 3px rgba(18, 34, 52, 0.06);
}

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

html {
  font-size: 16px;
}

body {
  font-family: 'Open Sans', 'Helvetica Neue', Arial, 'Segoe UI', Ubuntu, sans-serif;
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(160deg, var(--bg-start), var(--bg-end));
  color: var(--text-primary);
  line-height: 1.6;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--border-radius-sm);
}

a {
  color: var(--accent-blue);
  text-decoration: none;
  transition: var(--transition);
}

a:hover,
a:focus {
  color: var(--accent-red);
  text-decoration: none;
}

h1,
h2,
h3,
h4 {
  margin: 0 0 var(--spacing-md) 0;
  font-weight: 700;
  color: var(--text-primary);
}

h1 {
  font-size: clamp(2.2rem, 5vw, 3rem);
  line-height: 1.15;
}

h2,
h3,
h4 {
  position: relative;
  padding-left: 1rem;
}

h2::before,
h3::before,
h4::before {
  content: '';
  position: absolute;
  top: 0.2rem;
  bottom: 0.2rem;
  left: 0;
  width: 4px;
  background: var(--accent-red);
  border-radius: 999px;
}

p {
  margin: 0 0 var(--spacing-md) 0;
  color: var(--text-secondary);
  font-size: 1rem;
}

ul,
ol {
  margin: 0 0 var(--spacing-md) var(--spacing-lg);
  padding: 0;
  color: var(--text-secondary);
}

li + li {
  margin-top: var(--spacing-xs);
}

strong {
  color: var(--text-primary);
}

label:not(.checkbox-group) {
  display: block;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: var(--spacing-md);
}

label:not(.checkbox-group) > input,
label:not(.checkbox-group) > textarea,
label:not(.checkbox-group) > select {
  margin-top: var(--spacing-xs);
}

code,
pre {
  font-family: 'Source Code Pro', 'Courier New', monospace;
}

pre {
  background: #10131a;
  color: #f6f7fb;
  padding: var(--spacing-md);
  border-radius: var(--border-radius-md);
  box-shadow: var(--inner-shadow);
  overflow-x: auto;
}

.page-shell {
  width: min(1120px, 92vw);
  margin: clamp(var(--spacing-lg), 6vw, var(--spacing-xl)) auto;
  padding: clamp(var(--spacing-lg), 5vw, var(--spacing-xl));
  background: var(--card-bg);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--card-shadow);
  position: relative;
}

.page-shell--wide {
  width: min(1360px, 94vw);
}

.section {
  background: #ffffff;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--line-color);
  padding: clamp(var(--spacing-md), 4vw, var(--spacing-lg));
  box-shadow: 0 12px 24px rgba(18, 34, 52, 0.06);
  margin-bottom: var(--spacing-lg);
}

.section:last-child {
  margin-bottom: 0;
}

section + section {
  margin-top: var(--spacing-lg);
}

.subtle-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
}

input,
textarea,
select {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--line-color);
  background: #ffffff;
  font: inherit;
  color: var(--text-primary);
  box-shadow: var(--inner-shadow);
  transition: var(--transition);
}

textarea {
  min-height: 120px;
  resize: vertical;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--accent-red);
  box-shadow: 0 0 0 4px rgba(255, 44, 85, 0.12);
  outline: none;
}

input[type="checkbox"],
input[type="radio"] {
  width: auto;
  margin-right: var(--spacing-xs);
  box-shadow: none;
}

input[type="file"] {
  padding: var(--spacing-xs);
}

button,
.btn,
.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: none;
  border-radius: var(--border-radius-sm);
  padding: 0.85rem 1.6rem;
  font-weight: 600;
  font-size: 1rem;
  background: var(--accent-red);
  color: #ffffff;
  cursor: pointer;
  box-shadow: 0 14px 26px rgba(255, 44, 85, 0.26);
  transition: var(--transition);
}

button:hover,
.btn:hover,
.button-link:hover,
button:focus-visible,
.btn:focus-visible,
.button-link:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 18px 30px rgba(255, 44, 85, 0.35);
}

button:disabled,
.btn:disabled {
  background: #d0d7e1;
  color: #7f8a9a;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

.btn--secondary {
  background: #1a1b1f;
  box-shadow: 0 12px 24px rgba(26, 27, 31, 0.22);
}

.btn--secondary:hover,
.btn--secondary:focus-visible {
  box-shadow: 0 18px 34px rgba(26, 27, 31, 0.28);
}

.btn--positive {
  background: var(--accent-green);
  box-shadow: 0 14px 26px rgba(0, 182, 122, 0.28);
}

.btn--positive:hover,
.btn--positive:focus-visible {
  box-shadow: 0 18px 32px rgba(0, 182, 122, 0.38);
}

.btn--ghost {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--line-color);
  box-shadow: none;
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
  background: rgba(255, 44, 85, 0.05);
  border-color: var(--accent-red);
  color: var(--accent-red);
}

.back-button {
  align-self: flex-start;
  margin-bottom: var(--spacing-md);
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid transparent;
  padding: 0.6rem 1rem;
  border-radius: var(--border-radius-sm);
  font-weight: 600;
  text-decoration: none;
  box-shadow: none;
}

.back-button::before {
  content: '←';
  margin-right: 0.4rem;
  color: var(--accent-red);
  font-weight: 700;
}

.back-button:hover {
  border-color: var(--accent-red);
  color: var(--accent-red);
  transform: none;
  box-shadow: none;
}

.page-header {
  margin-bottom: var(--spacing-lg);
}

.page-header h1 {
  margin-bottom: var(--spacing-sm);
}

.page-header p {
  max-width: 640px;
}

.header {
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-lg);
  background: rgba(255, 255, 255, 0.92);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--line-color);
  box-shadow: 0 14px 28px rgba(18, 34, 52, 0.08);
  text-align: center;
}

.header h1 {
  margin-bottom: var(--spacing-xs);
}

.header p {
  color: var(--text-secondary);
  margin: 0;
}

.tool-container {
  display: grid;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

@media (min-width: 40rem) {
  .tool-container {
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  }
}

.tool-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: var(--card-bg);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--line-color);
  padding: var(--spacing-md);
  color: var(--text-primary);
  transition: var(--transition);
  box-shadow: 0 12px 24px rgba(18, 34, 52, 0.08);
}

.tool-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-red);
  box-shadow: 0 18px 30px rgba(255, 44, 85, 0.18);
}

.tool-card h2 {
  font-size: 1.35rem;
  margin-bottom: var(--spacing-xs);
  padding-left: 0.8rem;
}

.tool-card p {
  margin-bottom: 0;
}

.search-bar {
  width: 100%;
  max-width: 480px;
  border-radius: var(--border-radius-sm);
}

.split-layout {
  display: grid;
  gap: var(--spacing-lg);
}

.content {
  display: grid;
  gap: var(--spacing-lg);
}

@media (min-width: 960px) {
  .split-layout--two {
    grid-template-columns: 1fr 1fr;
  }

  .content {
    grid-template-columns: 1fr 1fr;
  }
}

.split-layout--align-start {
  align-items: flex-start;
}

.form-section,
.results-section,
.controls,
.main-content {
  background: rgba(255, 255, 255, 0.9);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--line-color);
  padding: clamp(var(--spacing-md), 3vw, var(--spacing-lg));
  box-shadow: 0 10px 24px rgba(18, 34, 52, 0.08);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group:last-child {
  margin-bottom: 0;
}

fieldset {
  border: 1px solid var(--line-color);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  background: rgba(255, 255, 255, 0.85);
  box-shadow: 0 10px 20px rgba(18, 34, 52, 0.06);
}

legend {
  font-weight: 700;
  padding: 0 var(--spacing-xs);
  color: var(--text-primary);
}

.form-group label,
.form-group .label {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
  display: block;
}

.form-row {
  display: grid;
  gap: var(--spacing-md);
}

@media (min-width: 720px) {
  .form-row--two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.checkbox-group {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--text-secondary);
}

.select-inline-group {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.upload-inputs {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.upload-input-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.file-label {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-sm);
  border: 1px dashed var(--line-color);
  border-radius: var(--border-radius-sm);
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.92);
  cursor: pointer;
  transition: var(--transition);
}

.file-label:hover {
  border-color: var(--accent-red);
}

.file-label.is-empty {
  color: var(--text-secondary);
}

.file-label.is-filled {
  border-style: solid;
  border-color: rgba(255, 44, 85, 0.4);
  color: var(--text-primary);
}

.file-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.remove-upload-btn {
  border: none;
  border-radius: 50%;
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 44, 85, 0.12);
  color: var(--accent-red);
  cursor: pointer;
  transition: var(--transition);
}

.remove-upload-btn:hover {
  background: rgba(255, 44, 85, 0.2);
}

.file-list {
  margin-top: var(--spacing-xs);
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.file-name-display {
  margin-top: var(--spacing-xs);
  color: var(--text-secondary);
}

.links-container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  justify-content: center;
  margin-bottom: var(--spacing-lg);
}

.help-text {
  display: block;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: var(--spacing-xs);
}

.prompts-area {
  margin-top: var(--spacing-md);
}

.prompt-section {
  margin-bottom: var(--spacing-md);
}

.alert {
  border-left: 4px solid var(--accent-red);
  border-radius: var(--border-radius-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(234, 56, 76, 0.08);
  color: var(--text-primary);
}

.alert.success {
  border-left-color: var(--accent-green);
  background: rgba(0, 182, 122, 0.1);
}

.alert.error {
  border-left-color: var(--accent-red);
  background: rgba(234, 56, 76, 0.08);
}

.alert.warning {
  border-left-color: #f0b429;
  background: rgba(240, 180, 41, 0.15);
}

.callout {
  border-left: 4px solid var(--accent-blue);
  background: rgba(0, 130, 243, 0.08);
  border-radius: var(--border-radius-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--text-primary);
}

.warning {
  border-left-color: #f0b429;
  background: rgba(240, 180, 41, 0.12);
}

.success {
  color: var(--accent-green);
}

.error {
  color: var(--accent-red);
}

.info {
  color: var(--accent-blue);
}

.progress-bar {
  width: 100%;
  height: 12px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.05);
  overflow: hidden;
  margin-top: var(--spacing-sm);
}

.progress-bar-inner {
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent-red), #ea384c);
  transition: width 0.4s ease;
}

.preview {
  margin-top: var(--spacing-lg);
  border-radius: var(--border-radius-md);
  border: 1px dashed var(--line-color);
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--text-secondary);
  text-align: center;
}

.download-btn {
  margin-top: var(--spacing-sm);
  background: var(--accent-green);
  box-shadow: 0 12px 26px rgba(0, 182, 122, 0.28);
}

.download-btn:hover {
  box-shadow: 0 16px 34px rgba(0, 182, 122, 0.38);
}

.main-content table {
  width: 100%;
  border-collapse: collapse;
  border-radius: var(--border-radius-sm);
  overflow: hidden;
}

.main-content th,
.main-content td {
  text-align: left;
  padding: var(--spacing-sm);
  border-bottom: 1px solid var(--line-color);
}

.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(16, 23, 32, 0.55);
  backdrop-filter: blur(6px);
  justify-content: center;
  align-items: center;
  z-index: 999;
  padding: var(--spacing-lg);
}

.modal.open {
  display: flex;
}

.modal-content {
  background: var(--card-bg);
  border-radius: var(--border-radius-lg);
  padding: clamp(var(--spacing-lg), 5vw, var(--spacing-xl));
  max-width: 520px;
  width: 100%;
  position: relative;
  box-shadow: 0 24px 48px rgba(18, 34, 52, 0.16);
}

.close {
  position: absolute;
  top: 14px;
  right: 16px;
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
}

.close:hover {
  color: var(--accent-red);
}

.modal-input {
  margin-bottom: var(--spacing-md);
}

.modal-button {
  width: 100%;
}

.settings-button {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid transparent;
  border-radius: 50px;
  padding: 0.6rem 1rem;
  box-shadow: none;
}

.settings-button:hover {
  border-color: var(--accent-red);
  color: var(--accent-red);
}

.spinner {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 4px solid rgba(234, 56, 76, 0.2);
  border-top-color: var(--accent-red);
  animation: spin 1s linear infinite;
  margin: 0 auto;
}

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

.loading {
  text-align: center;
  color: var(--text-secondary);
}

.loading p {
  margin-top: var(--spacing-sm);
}

.upload-area {
  border: 2px dashed var(--line-color);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-lg);
  text-align: center;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.8);
  cursor: pointer;
  transition: var(--transition);
}

.upload-area:hover {
  border-color: var(--accent-red);
  color: var(--accent-red);
}

.upload-area.dragover {
  border-color: var(--accent-red);
  background: rgba(255, 44, 85, 0.05);
}

.drop-zone {
  border: 2px dashed var(--line-color);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-lg);
  text-align: center;
  background: rgba(255, 255, 255, 0.9);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
}

.drop-zone:hover,
.drop-zone.dragover {
  border-color: var(--accent-red);
  color: var(--accent-red);
  background: rgba(255, 44, 85, 0.05);
}

.drop-zone__preview {
  width: 100%;
  max-width: 420px;
  border-radius: var(--border-radius-sm);
  box-shadow: 0 12px 24px rgba(18, 34, 52, 0.12);
}

.drop-zone__hint {
  font-size: 0.9rem;
}

.upload-icon {
  font-size: 2.4rem;
  color: var(--accent-red);
  margin-bottom: var(--spacing-xs);
  display: block;
}

.upload-text {
  font-weight: 600;
  color: var(--text-primary);
}

.upload-hint {
  font-size: 0.9rem;
}

.url-input-section {
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  border: 1px solid var(--line-color);
  border-radius: var(--border-radius-md);
  background: rgba(255, 255, 255, 0.85);
}

.url-input-group {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.url-input {
  flex: 1 1 220px;
}

.add-url-btn {
  white-space: nowrap;
}

.image-preview-grid {
  display: grid;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

@media (min-width: 720px) {
  .image-preview-grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  }
}

.image-count {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.copy-btn {
  margin-top: var(--spacing-sm);
  background: var(--accent-blue);
  box-shadow: 0 12px 24px rgba(0, 130, 243, 0.22);
}

.copy-btn:hover {
  box-shadow: 0 18px 30px rgba(0, 130, 243, 0.32);
}

.json-output {
  background: #10131a;
  color: #f6f7fb;
  padding: var(--spacing-md);
  border-radius: var(--border-radius-md);
  margin-top: var(--spacing-md);
  font-size: 0.95rem;
}

.dynamic-entry {
  position: relative;
  border: 1px dashed var(--line-color);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
  background: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-md);
}

.dynamic-entry .remove-button {
  position: absolute;
  top: 12px;
  right: 12px;
  background: transparent;
  color: var(--accent-red);
  border: 1px solid rgba(255, 44, 85, 0.25);
  padding: 0.2rem 0.6rem;
  font-size: 0.85rem;
  box-shadow: none;
}

.dynamic-entry .remove-button:hover {
  background: rgba(255, 44, 85, 0.08);
}

.aspect-ratio-selector {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.aspect-ratio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: var(--spacing-xs);
  margin-top: var(--spacing-xs);
}

.aspect-ratio-btn {
  border: 1px solid var(--line-color);
  background: #fff;
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
}

.aspect-ratio-btn:hover {
  border-color: var(--accent-red);
  color: var(--accent-red);
}

.aspect-ratio-btn.active {
  background: var(--accent-red);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 12px 24px rgba(255, 44, 85, 0.25);
}

.slider-group {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.slider-group span {
  font-weight: 600;
  color: var(--text-primary);
}

input[type="range"] {
  flex: 1;
  accent-color: var(--accent-red);
  height: 6px;
}

.preview img,
.image-grid img {
  border-radius: var(--border-radius-sm);
}

.image-grid {
  display: grid;
  gap: var(--spacing-sm);
}

@media (min-width: 600px) {
  .image-grid {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  }
}

.image-container {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius-sm);
  box-shadow: 0 12px 24px rgba(18, 34, 52, 0.18);
}

.image-container button {
  position: absolute;
  top: 10px;
  right: 10px;
  border-radius: 999px;
  background: rgba(26, 27, 31, 0.8);
  box-shadow: none;
  font-size: 0.8rem;
  padding: 0.35rem 0.8rem;
}

.image-container button:hover {
  background: rgba(255, 44, 85, 0.8);
}

.image-preview {
  position: relative;
  border-radius: var(--border-radius-sm);
  overflow: hidden;
  background: #ffffff;
  box-shadow: 0 12px 24px rgba(18, 34, 52, 0.12);
}

.image-preview img {
  width: 100%;
  height: 150px;
  object-fit: cover;
  display: block;
}

.image-preview .remove-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: none;
  background: rgba(234, 56, 76, 0.95);
  color: #ffffff;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: none;
}

.image-preview .remove-btn:hover {
  background: rgba(234, 56, 76, 1);
}

.result-grid {
  display: grid;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

@media (min-width: 640px) {
  .result-grid {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  }
}

.result-container {
  position: relative;
  border-radius: var(--border-radius-sm);
  overflow: hidden;
  background: #ffffff;
  box-shadow: 0 14px 26px rgba(18, 34, 52, 0.14);
  transition: var(--transition);
}

.result-container img {
  width: 100%;
  display: block;
}

.result-container:hover {
  transform: translateY(-4px);
}

.result-container .download-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  border-radius: 999px;
  padding: 0.4rem 0.8rem;
  background: rgba(26, 27, 31, 0.85);
  color: #ffffff;
  font-size: 0.8rem;
  font-weight: 600;
}

.result-container .download-btn:hover {
  background: rgba(255, 44, 85, 0.9);
}

.description-box {
  padding: var(--spacing-sm) var(--spacing-md);
  border-left: 4px solid var(--accent-red);
  border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
  background: rgba(255, 44, 85, 0.08);
  color: var(--text-primary);
  margin: var(--spacing-md) 0;
}

.json-preview-block {
  margin-top: var(--spacing-lg);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--line-color);
  background: rgba(255, 255, 255, 0.85);
  box-shadow: 0 10px 22px rgba(18, 34, 52, 0.08);
}

.json-preview-block h3 {
  margin-bottom: var(--spacing-sm);
}

.empty-state {
  text-align: center;
  color: var(--text-secondary);
  padding: var(--spacing-md);
}

.media-grid {
  display: grid;
  gap: var(--spacing-sm);
}

@media (min-width: 680px) {
  .media-grid {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  }
}

.media-grid img,
.media-grid video {
  width: 100%;
  border-radius: var(--border-radius-sm);
  box-shadow: 0 12px 24px rgba(18, 34, 52, 0.12);
}

.media-card {
  position: relative;
  border-radius: var(--border-radius-sm);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 12px 24px rgba(18, 34, 52, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm);
  min-height: 160px;
}

.media-card img,
.media-card video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: var(--border-radius-sm);
}

.media-player {
  width: 100%;
  max-width: 560px;
  border-radius: var(--border-radius-md);
  box-shadow: 0 16px 32px rgba(18, 34, 52, 0.15);
  background: #000;
  aspect-ratio: 16 / 9;
}

.video-placeholder {
  width: 100%;
  border-radius: var(--border-radius-md);
  border: 1px dashed var(--line-color);
  background: rgba(255, 255, 255, 0.8);
  color: var(--text-secondary);
  font-weight: 600;
  text-align: center;
  padding: var(--spacing-lg);
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
}

.template {
  display: none !important;
}

.status-panel {
  margin-top: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--line-color);
  background: rgba(255, 255, 255, 0.85);
  min-height: 70px;
  white-space: pre-wrap;
}

.info-box {
  background: rgba(0, 130, 243, 0.08);
  border-left: 4px solid var(--accent-blue);
  border-radius: var(--border-radius-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
  font-size: 0.95rem;
}

.button-group {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  margin-top: var(--spacing-sm);
}

.btn-primary {
  background: var(--accent-red);
  color: #fff;
  border: none;
  border-radius: var(--border-radius-sm);
  padding: 0.85rem 1.6rem;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 14px 26px rgba(255, 44, 85, 0.26);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 1 1 200px;
}

.btn-primary:hover:not(:disabled),
.btn-primary:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 18px 30px rgba(255, 44, 85, 0.35);
}

.btn-primary:disabled {
  background: #d0d7e1;
  color: #7f8a9a;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

.btn-secondary {
  border: 1px solid var(--line-color);
  border-radius: var(--border-radius-sm);
  padding: 0.85rem 1.6rem;
  font-weight: 600;
  font-size: 1rem;
  background: rgba(255, 255, 255, 0.9);
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 1 160px;
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  border-color: var(--accent-red);
  color: var(--accent-red);
}

.progress-container {
  margin-top: var(--spacing-md);
}

.progress-text {
  margin-top: var(--spacing-xs);
  color: var(--text-secondary);
  font-size: 0.9rem;
  text-align: center;
}

.result-list {
  margin-top: var(--spacing-lg);
  display: grid;
  gap: var(--spacing-md);
}

.result-item {
  background: rgba(255, 255, 255, 0.9);
  border-radius: var(--border-radius-md);
  border-left: 4px solid var(--accent-red);
  padding: var(--spacing-md);
  box-shadow: 0 12px 24px rgba(18, 34, 52, 0.08);
}

.result-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  flex-wrap: wrap;
}

.result-filename {
  font-weight: 600;
  color: var(--text-primary);
}

.result-status {
  padding: 0.25rem 0.8rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
}

.status-success {
  background: rgba(0, 182, 122, 0.15);
  color: var(--accent-green);
}

.status-error {
  background: rgba(255, 44, 85, 0.15);
  color: var(--accent-red);
}

.status-processing {
  background: rgba(255, 165, 0, 0.2);
  color: #b26b00;
}

.result-text {
  background: rgba(245, 247, 250, 0.85);
  border-radius: var(--border-radius-sm);
  padding: var(--spacing-sm);
  max-height: 220px;
  overflow-y: auto;
  white-space: pre-wrap;
}

.result-actions {
  margin-top: var(--spacing-sm);
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.btn-download {
  border: none;
  border-radius: var(--border-radius-sm);
  background: var(--accent-green);
  color: #fff;
  padding: 0.6rem 1.1rem;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.btn-download:hover {
  box-shadow: 0 14px 22px rgba(0, 182, 122, 0.28);
  transform: translateY(-1px);
}

.error-text {
  color: var(--accent-red);
  font-size: 0.85rem;
  margin-top: var(--spacing-xs);
}
.range-input {
  width: 100%;
}

.range-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  background: var(--accent-red);
  border-radius: 50%;
  cursor: pointer;
  border: none;
}

.range-input::-moz-range-thumb {
  width: 18px;
  height: 18px;
  background: var(--accent-red);
  border-radius: 50%;
  cursor: pointer;
  border: none;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  background: rgba(0, 130, 243, 0.1);
  color: var(--accent-blue);
  font-size: 0.85rem;
  font-weight: 600;
  margin-right: var(--spacing-xs);
}

.loading.hidden,
.hide {
  display: none !important;
}

.file-input-area {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: var(--spacing-lg);
  border: 2px dashed var(--line-color);
  border-radius: var(--border-radius-md);
  background: rgba(255, 255, 255, 0.85);
  transition: var(--transition);
}

.file-input-area:hover {
  border-color: var(--accent-red);
}

.file-input-label {
  font-weight: 600;
  color: var(--accent-red);
  cursor: pointer;
}

.prompt-content {
  padding: var(--spacing-sm);
  border-radius: 0 0 var(--border-radius-sm) var(--border-radius-sm);
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid var(--line-color);
  border-top: none;
  transition: max-height 0.3s ease;
}

.collapsible {
  width: 100%;
  text-align: left;
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid var(--line-color);
  border-radius: var(--border-radius-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
}

.collapsible::after {
  content: '+';
  float: right;
  color: var(--accent-red);
}

.collapsible.active::after {
  content: '–';
}

.subtitle {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: var(--spacing-lg);
}

.api-key-note {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.image-file-input {
  display: none;
}

.inline-hint {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-sm);
}

.section-header h2 {
  margin-bottom: 0;
}

.section-header .hint {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.json-output code {
  color: inherit;
}

.copy-success {
  color: var(--accent-green);
  font-weight: 600;
}

.config-info {
  background: rgba(0, 130, 243, 0.08);
  border: 1px solid var(--line-color);
  border-radius: var(--border-radius-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
  line-height: 1.5;
}

.generation-info {
  margin-top: var(--spacing-md);
}

.accent-warning {
  color: var(--accent-red);
  font-weight: 600;
}

.accent-success {
  color: var(--accent-green);
  font-weight: 600;
}

.status-text {
  font-style: italic;
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-top: var(--spacing-sm);
}

.status-panel {
  margin-top: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--line-color);
  background: rgba(255, 255, 255, 0.85);
  min-height: 70px;
  white-space: pre-wrap;
}

.output-area {
  min-height: 320px;
  margin-top: var(--spacing-md);
  background: rgba(245, 247, 250, 0.85);
}

audio {
  width: 100%;
  margin-top: var(--spacing-sm);
}

canvas {
  width: 100%;
  margin-top: var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  background: #ffffff;
  box-shadow: 0 10px 24px rgba(18, 34, 52, 0.08);
}

.waveform-canvas {
  height: 140px;
}

.api-key-field {
  margin-top: var(--spacing-sm);
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  align-items: center;
}

.api-key-field input {
  flex: 1 1 260px;
  max-width: 340px;
}

.download-link {
  margin-top: var(--spacing-sm);
}

.output-placeholder {
  border: 2px dashed var(--line-color);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-lg);
  text-align: center;
  background: rgba(255, 255, 255, 0.8);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
}

.error-text {
  color: var(--accent-red);
  font-weight: 600;
}

.subsection {
  margin-bottom: var(--spacing-lg);
}

.subsection:last-child {
  margin-bottom: 0;
}

.icon-button {
  border: 1px solid var(--line-color);
  background: rgba(255, 255, 255, 0.85);
  border-radius: var(--border-radius-sm);
  padding: 0.45rem 0.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.icon-button:hover {
  border-color: var(--accent-red);
  color: var(--accent-red);
}

#markdownDisplay {
  border: 1px solid var(--line-color);
  padding: var(--spacing-md);
  margin-top: var(--spacing-sm);
  background: rgba(255, 255, 255, 0.9);
  border-radius: var(--border-radius-md);
  box-shadow: 0 12px 24px rgba(18, 34, 52, 0.08);
}

#markdownDisplay img {
  max-width: 100%;
  height: auto;
  border-radius: var(--border-radius-sm);
  margin: var(--spacing-sm) 0;
}

#jsonDisplay {
  display: none;
  white-space: pre-wrap;
  background: #10131a;
  color: #f6f7fb;
  padding: var(--spacing-md);
  border-radius: var(--border-radius-md);
  margin-top: var(--spacing-sm);
  overflow-x: auto;
}

.preset-buttons {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.preset-buttons button {
  width: 100%;
  justify-content: center;
}

.preset-dropdown {
  width: 100%;
  max-width: 320px;
}

.lora-item {
  border: 1px solid var(--line-color);
  border-radius: var(--border-radius-sm);
  padding: var(--spacing-sm);
  background: rgba(255, 255, 255, 0.85);
  box-shadow: 0 8px 18px rgba(18, 34, 52, 0.06);
}

.remove-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  background: rgba(255, 44, 85, 0.12);
  color: var(--accent-red);
  border: none;
  cursor: pointer;
  box-shadow: none;
  font-size: 0.85rem;
}

.remove-btn:hover {
  background: rgba(255, 44, 85, 0.2);
}

.result {
  white-space: pre-wrap;
  background: rgba(16, 19, 26, 0.9);
  color: #f6f7fb;
  padding: var(--spacing-md);
  border-radius: var(--border-radius-sm);
  font-size: 0.95rem;
  overflow-x: auto;
}

.generate-btn {
  width: 100%;
}

/* H3 Max video interfaces */
.h3-page .page-header {
  max-width: 820px;
}

.h3-eyebrow {
  margin-bottom: var(--spacing-xs);
  color: var(--accent-red);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.h3-options-grid,
.h3-frame-grid,
.h3-toggle-grid {
  display: grid;
  gap: var(--spacing-md);
}

.h3-options-grid {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.h3-frame-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.h3-frame-card {
  padding: var(--spacing-md);
  border: 1px solid var(--line-color);
  border-radius: var(--border-radius-md);
  background: rgba(245, 247, 250, 0.72);
}

.h3-frame-card h3 {
  font-size: 1.1rem;
}

.h3-toggle-grid {
  margin-top: var(--spacing-md);
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.h3-button-row,
.h3-status-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.h3-button-row {
  margin-top: var(--spacing-md);
}

.h3-status-row {
  justify-content: space-between;
}

.h3-status-row h2 {
  margin-bottom: 0;
}

.h3-status {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  background: rgba(0, 182, 122, 0.12);
  color: #087a57;
  font-size: 0.82rem;
  font-weight: 700;
}

.h3-status--error {
  background: rgba(255, 44, 85, 0.12);
  color: var(--accent-red);
}

.h3-code {
  max-height: 360px;
  margin-top: var(--spacing-md);
  white-space: pre-wrap;
  overflow: auto;
  font-size: 0.86rem;
}

.h3-log {
  min-height: 130px;
}

.h3-video {
  width: 100%;
  margin: var(--spacing-sm) 0 var(--spacing-md);
  border-radius: var(--border-radius-md);
  background: #10131a;
  box-shadow: var(--card-shadow);
}

.h3-output-text {
  padding: var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  background: rgba(0, 130, 243, 0.06);
}

.h3-page details {
  margin-top: var(--spacing-md);
}

.h3-page summary {
  cursor: pointer;
  color: var(--text-primary);
  font-weight: 600;
}