:root {
  --sea-950: #012a4a;
  --sea-900: #013a63;
  --sea-800: #014f86;
  --sea-600: #2a6f97;
  --sea-100: #cce4f0;
  --sea-50: #eef7fb;
  --ink: #0f2740;
  --muted: #5b738a;
  --line: #d5e5ef;
  --white: #ffffff;
  --danger: #b42318;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: Outfit, system-ui, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(44, 125, 160, 0.18), transparent 60%),
    linear-gradient(180deg, #f7fbfe 0%, #ffffff 40%, #eef7fb 100%);
}

.page {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.25rem 0 3rem;
}

.top {
  display: flex;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.logo {
  height: 40px;
  width: auto;
  background: var(--sea-900);
  padding: 0.45rem 0.9rem;
  border-radius: 0.75rem;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: 1.25rem;
  align-items: start;
}

.card {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--line);
  border-radius: 1.5rem;
  padding: 1.5rem;
  box-shadow: 0 16px 40px rgba(1, 58, 99, 0.08);
}

.form-panel {
  position: sticky;
  top: 1rem;
}

h1 {
  margin: 0;
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
  color: var(--sea-900);
}

.lead {
  margin: 0.45rem 0 1.35rem;
  color: var(--muted);
  line-height: 1.5;
}

.field {
  margin-bottom: 1.15rem;
}

.field > label {
  display: block;
  margin-bottom: 0.45rem;
  font-size: 0.92rem;
  font-weight: 650;
  color: var(--sea-900);
}

.upload {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  border: 2px dashed rgba(1, 79, 134, 0.28);
  border-radius: 1.15rem;
  background: var(--sea-50);
  cursor: pointer;
  overflow: hidden;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.upload:hover,
.upload.dragover {
  border-color: var(--sea-800);
  background: #e6f3f9;
}

.upload-placeholder {
  display: grid;
  gap: 0.25rem;
  text-align: center;
  color: var(--sea-600);
  padding: 1rem;
}

.upload-placeholder strong { color: var(--sea-900); }
.upload-placeholder small { opacity: 0.85; }

.upload-icon {
  width: 42px;
  height: 42px;
  margin: 0 auto 0.35rem;
  border-radius: 999px;
  border: 2px solid rgba(1, 79, 134, 0.25);
  background:
    linear-gradient(var(--sea-800), var(--sea-800)) center/18px 2px no-repeat,
    linear-gradient(var(--sea-800), var(--sea-800)) center/2px 18px no-repeat;
}

.upload-preview {
  width: 100%;
  height: 100%;
  max-height: 280px;
  object-fit: contain;
  background: #0f2740;
}

.upload-stylize-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 1rem;
  text-align: center;
  color: #fff;
  background: rgba(15, 39, 64, 0.72);
  backdrop-filter: blur(2px);
}

.upload-stylize-overlay.is-visible {
  display: flex;
}

.upload-stylize-overlay .spinner {
  width: 1.35rem;
  height: 1.35rem;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  border-radius: 999px;
  animation: spin 0.8s linear infinite;
}

.upload-stylize-label {
  font-size: 0.82rem;
  font-weight: 650;
  line-height: 1.35;
}

.upload-clear {
  position: absolute;
  top: 0.65rem;
  right: 0.65rem;
  width: 2rem;
  height: 2rem;
  border: 0;
  border-radius: 999px;
  background: rgba(15, 39, 64, 0.75);
  color: #fff;
  font-size: 1.2rem;
  cursor: pointer;
}

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

.concept-btn {
  border: 1px solid rgba(1, 79, 134, 0.22);
  border-radius: 0.85rem;
  padding: 0.7rem 0.45rem;
  background: #fff;
  color: var(--sea-800);
  font: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease, color 0.15s ease;
}

.concept-btn:hover {
  border-color: var(--sea-800);
  background: var(--sea-50);
}

.concept-btn.selected {
  border-color: var(--sea-800);
  background: linear-gradient(135deg, rgba(1, 79, 134, 0.12), rgba(42, 111, 151, 0.16));
  color: var(--sea-900);
  box-shadow: inset 0 0 0 1px rgba(1, 79, 134, 0.2);
}

.concept-btn:disabled,
.concept-btn.is-disabled,
.cartoon-btn:disabled,
.cartoon-btn.is-disabled,
.location-btn:disabled,
.location-btn.is-disabled,
.theme-btn:disabled,
.theme-btn.is-disabled {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
  filter: grayscale(0.2);
}

.cartoon-btn,
.location-btn,
.theme-btn {
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  padding: 0.55rem 0.65rem;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--sea-900);
  background: #fff;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, color 0.15s;
}

.cartoon-btn:hover,
.location-btn:hover,
.theme-btn:hover {
  border-color: var(--sea-700);
  background: #f0f8fd;
}

.cartoon-btn.selected,
.location-btn.selected,
.theme-btn.selected {
  border-color: var(--sea-800);
  background: linear-gradient(180deg, #e8f4fc, #d9ecfa);
  color: var(--sea-900);
  box-shadow: inset 0 0 0 1px rgba(1, 79, 134, 0.15);
}

html.embed-mode .cartoon-grid,
html.embed-mode .location-grid,
html.embed-mode .theme-grid {
  margin-top: 0.15rem;
}

#theme-section,
#location-section {
  display: none;
}

html.embed-mode #theme-section.is-visible,
html.embed-mode #location-section.is-visible {
  display: block !important;
}

.theme-custom-field {
  margin-top: 0.55rem;
}

#cartoon-theme-custom-input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 0.85rem;
  padding: 0.7rem 0.9rem;
  font: inherit;
  color: var(--ink);
  background: #fff;
  outline: none;
}

#cartoon-theme-custom-input:focus {
  border-color: var(--sea-800);
  box-shadow: 0 0 0 3px rgba(1, 79, 134, 0.12);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.sub-label {
  display: block;
  margin: 0.85rem 0 0.4rem;
  font-size: 0.88rem;
  font-weight: 650;
  color: var(--sea-900);
}

#concept-link-input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 0.85rem;
  padding: 0.75rem 0.9rem;
  font: inherit;
  color: var(--ink);
  background: #fff;
  outline: none;
}

#concept-link-input:focus {
  border-color: var(--sea-800);
  box-shadow: 0 0 0 3px rgba(1, 79, 134, 0.12);
}

.field-note {
  margin: 0.45rem 0 0;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.4;
}

.embed-only {
  display: none;
}

html.embed-mode .embed-only {
  display: block;
}

html.embed-mode .top {
  display: none;
}

html.embed-mode .page {
  padding-top: 0.5rem;
}

html.embed-mode body {
  background: #f7fbfe;
}

.prompt-wrap { position: relative; }

textarea {
  width: 100%;
  resize: vertical;
  min-height: 110px;
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 0.9rem 1rem 2.6rem;
  font: inherit;
  color: var(--ink);
  background: #fff;
  outline: none;
}

textarea:focus {
  border-color: var(--sea-800);
  box-shadow: 0 0 0 3px rgba(1, 79, 134, 0.12);
}

.btn-generate-prompt {
  position: absolute;
  right: 0.65rem;
  bottom: 0.65rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border: 0;
  border-radius: 0.65rem;
  padding: 0.4rem 0.7rem;
  font: inherit;
  font-size: 0.72rem;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--sea-800), var(--sea-600));
  cursor: pointer;
  box-shadow: 0 6px 14px rgba(1, 79, 134, 0.22);
}

.btn-generate-prompt:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.btn-generate-prompt.is-loading,
.btn-generate-prompt.is-loading:disabled {
  opacity: 1;
  cursor: wait;
}

.btn-generate-prompt .icon-sparkles {
  width: 0.75rem;
  height: 0.75rem;
  flex-shrink: 0;
}

.btn-generate-prompt .enhance-spinner {
  display: none !important;
  width: 0.85rem;
  height: 0.85rem;
  flex-shrink: 0;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 999px;
  animation: none;
}

.btn-generate-prompt.is-loading .icon-sparkles {
  display: none !important;
  width: 0 !important;
  height: 0 !important;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

.btn-generate-prompt.is-loading .enhance-spinner {
  display: inline-block !important;
  animation: spin 0.8s linear infinite;
}

.btn-generate-prompt.is-loading #enhance-prompt-text {
  font-size: 0.68rem;
}

.btn-primary .spinner,
.result-loading .spinner {
  display: inline-block;
  width: 0.85rem;
  height: 0.85rem;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 999px;
  animation: spin 0.8s linear infinite;
  vertical-align: -0.15em;
  margin-right: 0.2rem;
}

.hint {
  margin: 0.55rem 0 0;
  color: var(--sea-800);
  font-size: 0.88rem;
  font-weight: 600;
}

.btn-primary,
.btn-download {
  width: 100%;
  border: 0;
  border-radius: 1rem;
  padding: 0.95rem 1.1rem;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--sea-800), var(--sea-600));
  color: #fff;
  box-shadow: 0 10px 24px rgba(1, 79, 134, 0.28);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  box-shadow: none;
}

.btn-download {
  margin-top: 0;
  padding: 0.7rem 0.9rem;
  border-radius: 0.75rem;
  background: linear-gradient(135deg, var(--sea-800), var(--sea-600));
  color: #fff;
  font-size: 0.85rem;
}

.btn-download:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.share-medsos {
  display: grid;
  gap: 0.45rem;
}

.share-medsos-label {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--sea-900);
  letter-spacing: 0.02em;
}

.share-medsos-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.45rem;
}

.btn-share {
  border: 1px solid rgba(1, 79, 134, 0.18);
  border-radius: 0.65rem;
  padding: 0.55rem 0.35rem;
  font: inherit;
  font-size: 0.74rem;
  font-weight: 700;
  cursor: pointer;
  background: #fff;
  color: var(--sea-900);
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}

.btn-share:hover:not(:disabled) {
  border-color: var(--sea-700);
  background: #e8f4fb;
}

.btn-share:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.btn-share-tiktok {
  color: #111;
}

.btn-share-instagram {
  color: #c13584;
}

.btn-share-youtube {
  color: #c4302b;
}

.results-panel {
  min-height: 420px;
}

.results-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 360px;
  padding: 1.5rem;
  color: var(--muted);
}

.results-placeholder[hidden],
.results-container[hidden],
.result-card[hidden] {
  display: none !important;
}

.placeholder-icon {
  width: 4.5rem;
  height: 4.5rem;
  border-radius: 999px;
  display: grid;
  place-items: center;
  margin-bottom: 1rem;
  color: #7eb3d1;
  background: linear-gradient(135deg, #d7ecf6, #eef7fb);
}

.results-placeholder h2 {
  margin: 0 0 0.4rem;
  color: var(--sea-900);
  font-size: 1.15rem;
}

.results-placeholder p {
  margin: 0;
  max-width: 16rem;
  line-height: 1.45;
  font-size: 0.9rem;
}

.results-container h2 {
  margin: 0 0 1rem;
  font-size: 1.1rem;
  color: var(--sea-900);
}

.results-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.result-card {
  border: 1px solid var(--line);
  border-radius: 1.15rem;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 8px 22px rgba(1, 58, 99, 0.06);
}

.result-media {
  position: relative;
  width: 100%;
  max-width: 320px;
  margin: 0 auto;
  aspect-ratio: 9 / 16;
  background: #0b1b2b;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.result-media video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #000;
}

.result-loading {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: grid;
  place-content: center;
  gap: 0.45rem;
  text-align: center;
  color: #d7eaf4;
  background: linear-gradient(160deg, #12324a, #0b1b2b);
  padding: 1rem;
}

.result-loading .spinner {
  width: 2rem;
  height: 2rem;
  margin: 0 auto;
  border-width: 3px;
  border-color: rgba(255, 255, 255, 0.2);
  border-top-color: #fff;
}

.result-loading p,
.result-loading .loading-label {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 600;
}

.result-loading small.loading-detail {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.78rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.35;
  max-width: 92%;
  justify-self: center;
}

.result-loading strong {
  font-size: 1.05rem;
}

.result-actions {
  padding: 0.85rem;
  display: grid;
  gap: 0.75rem;
}

.caption-box {
  border: 1px solid var(--line);
  border-radius: 0.85rem;
  background: var(--sea-50);
  padding: 0.75rem 0.85rem;
}

.caption-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.45rem;
  color: var(--sea-900);
  font-size: 0.82rem;
  font-weight: 700;
}

.btn-copy-caption {
  width: 2rem;
  height: 2rem;
  border: 1px solid rgba(1, 79, 134, 0.22);
  border-radius: 0.55rem;
  background: #fff;
  color: var(--sea-800);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn-copy-caption:hover:not(:disabled) {
  border-color: var(--sea-800);
  background: #e8f4fb;
}

.btn-copy-caption:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn-copy-caption.copied {
  border-color: #0f7a5f;
  color: #0f7a5f;
  background: #e8f8f2;
}

.caption-text {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--ink);
  font-size: 0.88rem;
  line-height: 1.5;
}

.status {
  margin: 0.85rem 0 0;
  min-height: 1.2em;
  font-size: 0.88rem;
  color: var(--muted);
}

.status.error { color: var(--danger); }
.status.ok { color: var(--sea-800); }

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

@media (max-width: 900px) {
  .workspace {
    grid-template-columns: 1fr;
  }

  .form-panel {
    position: static;
  }

  .concept-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .card { padding: 1.15rem; border-radius: 1.2rem; }
  .upload { min-height: 170px; }
  .result-media { max-width: 100%; }
}