* {
  box-sizing: border-box;
}

:root {
  --bg-color: #050b14;
  --text-color: #eaf6ff;
  --text-muted: #a7bdd1;
  --text-dim: #6b8199;
  --panel-bg: rgba(8, 18, 28, 0.55);
  --panel-border: rgba(255, 255, 255, 0.1);
  --badge-bg: rgba(10, 22, 34, 0.6);
  --input-bg: rgba(255, 255, 255, 0.06);
  --input-border: rgba(255, 255, 255, 0.15);
  --card-bg: rgba(10, 22, 34, 0.7);
}

:root[data-theme="light"] {
  --bg-color: #eef3f8;
  --text-color: #10202f;
  --text-muted: #4a6478;
  --text-dim: #6f8296;
  --panel-bg: rgba(255, 255, 255, 0.65);
  --panel-border: rgba(10, 30, 45, 0.1);
  --badge-bg: rgba(255, 255, 255, 0.7);
  --input-bg: rgba(10, 30, 45, 0.05);
  --input-border: rgba(10, 30, 45, 0.15);
  --card-bg: rgba(255, 255, 255, 0.75);
}

html, body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg-color) url('images/background.png') center / cover no-repeat fixed;
  color: var(--text-color);
  transition: background-color 0.2s ease, color 0.2s ease;
  padding-bottom: 3rem;
}

.hidden {
  display: none !important;
}

#back-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 20;
  background: var(--badge-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
  font-size: 0.85rem;
  color: var(--text-color);
  text-decoration: none;
}

.theme-toggle {
  position: fixed;
  top: 0.75rem;
  right: 0.75rem;
  background: var(--badge-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  width: 2.4rem;
  height: 2.4rem;
  padding: 0;
  font-size: 1.1rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-color);
  z-index: 20;
}

.theme-toggle:hover {
  filter: brightness(1.1);
}

#studio {
  max-width: 720px;
  margin: 0 auto;
  padding: 4.5rem 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

header {
  text-align: center;
}

.logo {
  width: 56px;
  height: 56px;
  border-radius: 14px;
}

h1 {
  margin: 0.5rem 0 0.25rem;
  background: linear-gradient(90deg, #34e89e, #3b9dff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.subtitle {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.category-row {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.25rem;
  scrollbar-width: thin;
}

.category-chip {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1rem;
  border-radius: 999px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  color: var(--text-color);
  font-weight: 600;
  font-size: 0.9rem;
  white-space: nowrap;
  backdrop-filter: blur(10px);
}

.category-chip:hover {
  filter: brightness(1.1);
}

.category-chip.active {
  background: linear-gradient(135deg, #34e89e, #3b9dff);
  color: #04121c;
  border-color: transparent;
}

.category-hint {
  margin: 0;
  color: var(--text-dim);
  font-size: 0.82rem;
  text-align: center;
}

.quick-ideas-row {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.quick-idea-chip {
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.82rem;
}

.quick-idea-chip:hover {
  filter: brightness(1.15);
  color: var(--text-color);
}

.meme-fields {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.meme-fields input {
  flex: 1 1 220px;
}

.prompt-bar {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  background: var(--panel-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  padding: 0.75rem;
}

#prompt-input {
  flex: 1 1 220px;
  min-width: 0;
}

input, select {
  font-family: inherit;
  padding: 0.65rem 0.9rem;
  border-radius: 8px;
  border: 1px solid var(--input-border);
  font-size: 1rem;
  background: var(--input-bg);
  color: var(--text-color);
}

input::placeholder {
  color: var(--text-dim);
}

input:focus, select:focus {
  outline: none;
  border-color: #3b9dff;
}

button {
  padding: 0.65rem 1.1rem;
  border: none;
  border-radius: 8px;
  background: linear-gradient(135deg, #34e89e, #3b9dff);
  color: #04121c;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
}

button:hover {
  filter: brightness(1.08);
}

button:disabled {
  opacity: 0.6;
  cursor: default;
  filter: none;
}

button.link-btn {
  background: none;
  color: var(--text-muted);
  font-weight: 500;
  padding: 0.3rem 0.5rem;
  text-decoration: underline;
}

.error {
  color: #ff6b6b;
  font-size: 0.85rem;
  text-align: center;
  margin: 0;
}

.result-card {
  background: var(--panel-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.result-frame {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  background: var(--card-bg);
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
}

#result-img {
  width: 100%;
  max-height: 70vh;
  object-fit: contain;
  display: block;
}

.result-loading {
  position: absolute;
  inset: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  background: var(--card-bg);
  text-align: center;
  padding: 1rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.loading-orbs {
  position: absolute;
  inset: 0;
  filter: blur(36px);
  opacity: 0.6;
  z-index: 0;
}

.orb {
  position: absolute;
  width: 45%;
  aspect-ratio: 1;
  border-radius: 50%;
}

.orb1 {
  background: #34e89e;
  top: -10%;
  left: -10%;
  animation: orb-float-1 6s ease-in-out infinite;
}

.orb2 {
  background: #3b9dff;
  bottom: -15%;
  right: -8%;
  animation: orb-float-2 7.5s ease-in-out infinite;
}

.orb3 {
  background: #ff6bcb;
  top: 35%;
  left: 55%;
  animation: orb-float-3 5.2s ease-in-out infinite;
}

@keyframes orb-float-1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(18%, 14%) scale(1.2); }
}

@keyframes orb-float-2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-14%, -16%) scale(1.15); }
}

@keyframes orb-float-3 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-16%, 10%) scale(0.85); }
}

.spinner {
  position: relative;
  z-index: 1;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 3px solid var(--panel-border);
  border-top-color: #3b9dff;
  border-right-color: #34e89e;
  animation: spin 0.9s linear infinite;
}

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

.progress-track {
  position: relative;
  z-index: 1;
  width: 70%;
  max-width: 260px;
  height: 7px;
  border-radius: 999px;
  background: rgba(127, 127, 127, 0.25);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 4%;
  border-radius: 999px;
  background: linear-gradient(90deg, #34e89e, #3b9dff);
  transition: width 0.25s ease;
}

#loading-status {
  position: relative;
  z-index: 1;
  margin: 0;
  min-height: 1.2em;
}

.result-prompt {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-style: italic;
}

.result-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.result-actions button {
  flex: 1 1 auto;
}

.video-note {
  text-align: center;
  color: var(--text-dim);
  font-size: 0.85rem;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 0.75rem 1rem;
}

.gallery-section {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.gallery-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.gallery-header h2 {
  margin: 0;
  font-size: 1.05rem;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 0.6rem;
}

.gallery-item {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 1;
  border: 1px solid var(--panel-border);
  cursor: pointer;
  background: var(--card-bg);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.gallery-item .gallery-remove {
  position: absolute;
  top: 0.25rem;
  right: 0.25rem;
  width: 1.6rem;
  height: 1.6rem;
  padding: 0;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.6);
  color: #fff;
  font-size: 0.8rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}