* {
  box-sizing: border-box;
}

:root {
  --primary: #3330F9;
  --primary-dark: #0A06DF;
  --primary-bg: #E7E6FE; 
  --primary-subtle: #C3C2FD; 
  --text: #202124;
  --muted: #68707a;
  --border: #dedfe3;
  --background: #f7f7f8;
  --background-canvas: #fbfbfc; 
  --soft: #f0f0f2;
  --success: #18794e;
  --danger: #c5221f;
  --danger-bg: #fdf1f0; 
  --danger-subtle: #f1b8b5; 
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--background);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.5;
}

.float-backhome {
  .back-link {
    padding: 0.5rem;
    border: 1px solid var(--border);
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    vertical-align: middle;
    gap: 0.5rem;
    color: var(--primary);
    border-radius: 0.5rem;
    margin-top: 1rem;
    font-size: 0.875rem;
    line-height: 1;
    span {
      font-size: 1rem;
    }
    &:hover {
      background-color: var(--primary-bg);
    }
  }
}

@media (min-width: 990px) {
  .float-backhome {
    position: fixed;
    top: 1rem;
  }
}

.site-header {
  text-align: center;
  padding: 36px 20px 28px;
}

.site-header h1 {
  margin: 0 0 8px;
  font-size: clamp(28px, 4vw, 38px);
  line-height: 1.2;
}

.site-header p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
}

.container {
  width: min(900px, calc(100% - 32px));
  margin: 0 auto 50px;
}

.tool-card {
  background: #fff;
  border-radius: 9px;
  padding: 24px;
  box-shadow: 0 1px 5px rgba(0, 0, 0, 0.04);
}

.tool-intro {
  margin-bottom: 20px;
}

.tool-intro h2 {
  margin: 0 0 5px;
  font-size: 21px;
}

.tool-intro p {
  margin: 0;
  color: var(--muted);
}

.drop-zone {
  min-height: 230px;
  border: 2px dashed var(--border);
  border-radius: 10px;
  background: var(--background-canvas);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 28px;
  text-align: center;
  cursor: pointer;
  transition: border-color .15s, background .15s, transform .15s;
}

.drop-zone:hover,
.drop-zone:focus-visible,
.drop-zone.drag-over {
  border-color: var(--primary);
  background: #f7f7ff;
  outline: none;
}

.drop-zone.drag-over {
  transform: scale(1.005);
}

.upload-icon {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: #ececff;
  color: var(--primary);
  display: grid;
  place-items: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.upload-icon span {
  color: var(--primary) !important;
}

.drop-zone strong {
  font-size: 18px;
}

.drop-zone span {
  color: var(--muted);
}

.drop-zone small {
  color: var(--muted);
  margin-top: 4px;
}

.choose-button {
  margin-top: 1rem;
}

.settings {
  margin-top: 18px;
  padding: 20px;
  background: #fff; 
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 1.5rem;
}

.settings-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px 20px;
}

.field {
  min-width: 0;
}

.field label {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
  font-weight: 600;
}

.field label span,
.field small {
  color: var(--muted);
  font-weight: 400;
}

input[type="number"],
select {
  width: 100%;
  min-height: 42px;
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fff;
  color: var(--text);
  font: inherit;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--primary);
}

.range-labels {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 12px;
}

.checkbox-field {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.checkbox-field label {
  justify-content: flex-start;
  margin-bottom: 5px;
}

.checkbox-field input {
  width: 17px;
  height: 17px;
  accent-color: var(--primary);
}

.preset-row {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: -6px;
  color: var(--muted);
  font-size: 14px;
}

.preset-button {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 10px;
  background: #fff;
  color: var(--text);
  cursor: pointer;
  font: inherit;
}

.preset-button:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.preset-button.active {
  border-color: var(--primary);
  background: var(--primary-bg);
  color: var(--primary);
  font-weight: 700;
}

.actions {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.choose-button, 
.primary-button,
.secondary-button,
.outline-button {
  border: 0;
  border-radius: 7px;
  min-height: 43px;
  padding: 9px 18px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.choose-button, 
.primary-button {
  background: var(--primary);
  color: #fff;
}

.choose-button:hover, 
.primary-button:hover {
  background: var(--primary-dark);
}

.primary-button:disabled {
  opacity: .65;
  cursor: wait;
}

.secondary-button {
  background: var(--background-canvas);
  color: var(--text);
  border: 1px solid var(--border);
}

.secondary-button:hover {
  background-color: var(--soft);
}

.outline-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  background: #fff;
  color: var(--primary);
  border: 1px solid var(--primary);
}

.outline-button:hover {
  background: var(--primary-bg);
}

.outline-button:disabled {
  opacity: .65;
  cursor: wait;
}

.outline-button[hidden] {
  display: none;
}

.material-symbols-outlined {
  width: 1em;
  overflow: hidden;
  flex-shrink: 0;
  font-size: 1.5rem;
  line-height: 1;
}

.primary-button:focus-visible,
.secondary-button:focus-visible,
.outline-button:focus-visible,
.remove-button:focus-visible,
.download-button:focus-visible,
.choose-button:focus-visible,
.preset-button:focus-visible,
select:focus-visible,
input:focus-visible {
  outline: 3px solid rgba(91, 91, 240, .25);
  outline-offset: 2px;
}

.status {
  /* min-height: 24px; */
  /* margin-top: 15px; */
  color: var(--muted);
}

.status-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 0.25rem;
}

.status-text {
  margin: 0;
  font-size: 0.875rem;
  color: var(--muted);
}

.status-percent {
  color: var(--text);
}

.progress-track {
  height: 8px;
  margin-top: 8px;
  border-radius: 999px;
  background: var(--soft);
  overflow: hidden;
}

.progress-bar {
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: var(--primary);
  transition: width .3s ease;
}

.progress-track[hidden],
.status-percent[hidden] {
  display: none;
}

.results {
  display: grid;
  gap: 12px;
  /* margin-top: 8px; */
}

.result-card {
  display: grid;
  grid-template-columns: 82px 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 13px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  transition: border-color .15s, opacity .15s;
}

.result-card.is-processing {
  border-color: var(--primary-subtle);
}

.result-card.is-waiting .thumbnail,
.result-card.is-waiting .result-info {
  opacity: .55;
}

.result-info {
  min-width: 0;
}

.thumbnail {
  width: 82px;
  height: 68px;
  border-radius: 5px;
  object-fit: cover;
  background: var(--soft);
}

.thumbnail-placeholder {
  display: grid;
  place-items: center;
  color: var(--muted);
}

.thumbnail-placeholder .material-symbols-outlined {
  font-size: 28px;
}

.result-name {
  margin: 0 0 3px;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.result-meta {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.result-meta strong {
  color: var(--text);
}

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

.card-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-state:empty {
  display: none;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  padding: 8px 13px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

.status-pill.waiting {
  background: var(--soft);
  color: #9aa0a6;
}

.status-pill.processing {
  background: var(--primary-bg);
  color: var(--primary);
}

.spinner {
  width: 14px;
  height: 14px;
  border: 2px solid var(--primary-subtle);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}

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

@media (prefers-reduced-motion: reduce) {
  .spinner {
    animation-duration: 2.4s;
  }

  .progress-bar {
    transition: none;
  }
}

.remove-button {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fff;
  color: var(--muted);
  cursor: pointer;
}

.remove-button:hover:not(:disabled) {
  background-color: var(--danger-bg);
  border-color: var(--danger-subtle);
  color: var(--danger);
}

.remove-button:disabled {
  opacity: .45;
  cursor: not-allowed;
}

.saving {
  color: var(--success);
  font-weight: 700;
}

.download-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 8px 13px;
  border-radius: 6px;
  background: var(--primary);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  white-space: nowrap;
}

.download-button:hover {
  background: var(--primary-dark);
}

.content-section {
  margin-top: 32px;
  padding: 0 4px;
}

.content-section h2 {
  margin: 0 0 10px;
  font-size: 25px;
}

.content-section h3 {
  margin: 26px 0 7px;
  font-size: 19px;
}

.content-section p,
.content-section li {
  color: #454a51;
}

.site-footer {
  margin-top: auto;
  padding: 18px;
  text-align: center;
  background: #ededee;
  color: #30343a;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 700px) {
  .site-header {
    padding-top: 26px;
  }

  .tool-card {
    padding: 17px;
  }

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

  .result-card {
    grid-template-columns: 64px 1fr;
  }

  .thumbnail {
    width: 64px;
    height: 56px;
  }

  .card-actions {
    grid-column: 1 / -1;
  }

  .card-state {
    flex: 1;
  }

  .download-button,
  .status-pill {
    width: 100%;
    justify-content: center;
  }

  .actions {
    flex-direction: column;
  }
}