/* lib/studio-shell.css */
.studio-shell {
  display: flex;
  min-height: 100vh;
  background: var(--surface-dark);
  color: var(--ink-primary);
}
.studio-rail {
  width: 240px;
  flex: none;
  border-right: 1px solid var(--line-light);
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: sticky;
  top: 0;
  align-self: flex-start;
  height: 100vh;
}
.studio-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px 16px;
  color: var(--ink-primary);
  text-decoration: none;
  font-size: 1.05rem;
}
.studio-brand-mark {
  width: 36px;
  height: 36px;
  object-fit: contain;
  display: block;
}
.studio-brand-text b {
  font-weight: 700;
}
.studio-brand-text {
  font-weight: 500;
}
.studio-create {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  margin: 0 4px 10px;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--accent-neon);
  color: var(--ink-primary);
  font-weight: 600;
  text-decoration: none;
}
.studio-create:hover {
  filter: brightness(1.08);
}
.studio-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.studio-nav-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 11px 12px;
  border-radius: 10px;
  color: color-mix(in srgb, var(--ink-primary) 70%, var(--ink-secondary));
  text-decoration: none;
  font-size: 0.95rem;
}
.studio-nav-item:hover {
  background: var(--surface-card);
  color: var(--ink-primary);
}
.studio-nav-item.active {
  background: var(--surface-input);
  color: var(--ink-primary);
  font-weight: 600;
}
.studio-content {
  flex: 1;
  min-width: 0;
  padding: 28px 36px 64px;
}
@media (max-width: 760px) {
  .studio-rail {
    position: static;
    width: 100%;
    height: auto;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    border-right: none;
    border-bottom: 1px solid var(--line-light);
  }
  .studio-shell {
    flex-direction: column;
  }
  .studio-brand {
    padding: 4px 8px;
  }
  .studio-nav {
    flex-direction: row;
  }
  .studio-create {
    margin: 0;
  }
  .studio-content {
    padding: 20px 16px 56px;
  }
}

/* app/studio/studio.css */
.kt-studio {
  display: grid;
  gap: 2rem;
  max-width: 720px;
  margin: 0 auto;
}
.kt-upload h1 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.4rem;
  margin: 0 0 0.25rem;
}
.kt-upload-icon {
  display: inline-flex;
  color: var(--accent, #ff6a00);
}
.kt-upload-icon svg {
  width: 22px;
  height: 22px;
}
.kt-upload-sub {
  color: var(--fg-dim, #aaa);
  margin: 0 0 1.25rem;
  font-size: 0.9rem;
}
.kt-upload-form {
  display: grid;
  gap: 1rem;
}
.kt-field {
  display: grid;
  gap: 0.35rem;
  font-size: 0.9rem;
}
.kt-field > span {
  color: var(--fg-dim, #c8c8cf);
}
.kt-field input[type=text],
.kt-field textarea {
  background: var(--surface, #161619);
  color: var(--fg, #fff);
  border: 1px solid var(--border, #2a2a30);
  border-radius: 8px;
  padding: 0.55rem 0.7rem;
  font: inherit;
}
.kt-field input[type=file] {
  font: inherit;
  color: var(--fg-dim, #c8c8cf);
}
.kt-submit {
  background: var(--accent, #ff6a00);
  color: #fff;
  border: 0;
  border-radius: 10px;
  padding: 0.65rem 1.4rem;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  justify-self: start;
}
.kt-submit:disabled {
  opacity: 0.6;
  cursor: default;
}
.kt-status {
  font-size: 0.9rem;
  color: var(--accent, #ff6a00);
  margin: 0.25rem 0 0;
}
.kt-library h2 {
  font-size: 1.15rem;
  margin: 0 0 0.75rem;
}
.kt-library-empty {
  color: var(--fg-dim, #888);
}
.kt-library-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.4rem;
}
.kt-library-item a {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: inherit;
  padding: 0.55rem 0.7rem;
  border-radius: 8px;
  background: var(--surface, #161619);
}
.kt-library-item a:hover {
  background: var(--surface-2, #1f1f25);
}
.kt-li-icon {
  display: inline-flex;
  color: var(--accent, #ff6a00);
}
.kt-li-icon svg {
  width: 18px;
  height: 18px;
}
.kt-li-title {
  font-size: 0.95rem;
}

/* app/page.css */
html,
body {
  margin: 0;
  padding: 0;
  background-color: var(--bg-dark);
}
* {
  box-sizing: border-box;
}
:root {
  color-scheme: dark;
  --bg-dark: hsl(240, 15%, 4%);
  --surface-dark: hsl(240, 12%, 8%);
  --surface-card: hsl(240, 10%, 11%);
  --surface-input: hsl(240, 10%, 14%);
  --ink-primary: hsl(0, 0%, 96%);
  --ink-secondary: hsl(240, 5%, 65%);
  --ink-muted: hsl(240, 5%, 45%);
  --line-light: hsl(240, 10%, 18%);
  --line-focus: hsl(24, 90%, 58%);
  --accent-neon: hsl(24, 95%, 53%);
  --accent-glow: hsla(24, 95%, 53%, 0.15);
  --on-accent: #fff;
  --error-neon: hsl(0, 85%, 60%);
  --success-neon: hsl(142, 70%, 50%);
  --info-neon: hsl(210, 85%, 60%);
  --warn-neon: hsl(35, 90%, 55%);
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme=dark]) {
    color-scheme: light;
    --bg-dark: hsl(240, 15%, 97%);
    --surface-dark: hsl(240, 18%, 99%);
    --surface-card: hsl(0, 0%, 100%);
    --surface-input: hsl(240, 12%, 94%);
    --ink-primary: hsl(240, 15%, 10%);
    --ink-secondary: hsl(240, 8%, 38%);
    --ink-muted: hsl(240, 6%, 55%);
    --line-light: hsl(240, 12%, 88%);
    --line-focus: hsl(24, 90%, 48%);
    --accent-neon: hsl(24, 95%, 46%);
    --accent-glow: hsla(24, 95%, 46%, 0.14);
    --error-neon: hsl(0, 72%, 44%);
    --success-neon: hsl(142, 65%, 30%);
    --info-neon: hsl(210, 85%, 40%);
    --warn-neon: hsl(35, 95%, 36%);
  }
}
:root[data-theme=light] {
  color-scheme: light;
  --bg-dark: hsl(240, 15%, 97%);
  --surface-dark: hsl(240, 18%, 99%);
  --surface-card: hsl(0, 0%, 100%);
  --surface-input: hsl(240, 12%, 94%);
  --ink-primary: hsl(240, 15%, 10%);
  --ink-secondary: hsl(240, 8%, 38%);
  --ink-muted: hsl(240, 6%, 55%);
  --line-light: hsl(240, 12%, 88%);
  --line-focus: hsl(24, 90%, 48%);
  --accent-neon: hsl(24, 95%, 46%);
  --accent-glow: hsla(24, 95%, 46%, 0.14);
  --error-neon: hsl(0, 72%, 44%);
  --success-neon: hsl(142, 65%, 30%);
  --info-neon: hsl(210, 85%, 40%);
  --warn-neon: hsl(35, 95%, 36%);
}
.kucken-app {
  min-height: 100vh;
  background-color: var(--bg-dark);
  color: var(--ink-primary);
  font-family:
    ui-sans-serif,
    system-ui,
    -apple-system,
    sans-serif;
  display: flex;
  flex-direction: column;
}
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
  background: var(--line-light);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--ink-muted);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.625rem 1.25rem;
  border-radius: 10px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}
.btn-primary {
  background-color: var(--accent-neon);
  color: var(--ink-primary);
  box-shadow: 0 0 16px var(--accent-glow);
  text-decoration: none;
}
.btn-primary:hover:not(:disabled) {
  background-color: var(--line-focus);
  box-shadow: 0 0 24px var(--accent-glow);
  transform: translateY(-1px);
}
.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: transparent;
  border: 1px solid var(--line-light);
  color: var(--ink-primary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.625rem 1.25rem;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}
.btn-outline:hover:not(:disabled) {
  border-color: var(--ink-secondary);
  background-color: color-mix(in srgb, var(--ink-primary) 4%, transparent);
}
z-app-header {
  display: block;
  position: sticky;
  top: 0;
  z-index: 100;
}
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: color-mix(in srgb, var(--surface-dark) 80%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line-light);
  transition:
    background-color 0.25s ease,
    backdrop-filter 0.25s ease,
    border-color 0.25s ease;
}
.app-header.scrolled {
  background-color: color-mix(in srgb, var(--surface-dark) 55%, transparent);
  backdrop-filter: blur(22px) saturate(140%);
  -webkit-backdrop-filter: blur(22px) saturate(140%);
  border-bottom-color: color-mix(in srgb, var(--ink-primary) 5%, transparent);
}
.header-container {
  max-width: 100%;
  margin: 0 auto;
  padding: 0.85rem 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  user-select: none;
}
.brand-logo {
  width: 44px;
  height: 44px;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 0 10px var(--accent-glow));
}
.brand-name {
  font-size: 1.35rem;
  font-weight: 850;
  letter-spacing: -0.03em;
}
.brand-tld {
  color: var(--accent-neon);
}
.header-controls {
  flex: 1;
  max-width: 720px;
  margin: 0 2rem;
  display: flex;
  flex-direction: column;
  position: relative;
}
.search-box-wrapper {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
}
.filters-toggle-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--surface-card);
  border: 1px solid var(--line-light);
  color: var(--ink-secondary);
  font: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.625rem 1rem;
  border-radius: 12px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s ease;
}
.filters-toggle-btn:hover {
  color: var(--ink-primary);
  border-color: var(--ink-secondary);
  background-color: var(--surface-input);
}
.search-filters-panel {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  background-color: color-mix(in srgb, var(--surface-card) 95%, transparent);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--line-light);
  border-radius: 16px;
  padding: 1.25rem 1.75rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
  z-index: 150;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.filter-column {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.filter-column-title {
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-muted);
  margin-bottom: 0.25rem;
  border-bottom: 1px solid var(--line-light);
  padding-bottom: 0.35rem;
}
.filter-option {
  background: transparent;
  border: none;
  color: var(--ink-secondary);
  font: inherit;
  font-size: 0.875rem;
  font-weight: 550;
  padding: 0.45rem 0.6rem;
  border-radius: 8px;
  cursor: pointer;
  text-align: left;
  transition: all 0.15s ease;
}
.filter-option:hover {
  background-color: var(--surface-input);
  color: var(--ink-primary);
}
.filter-option.active {
  background-color: var(--surface-input);
  color: var(--accent-neon);
  font-weight: 700;
}
.search-box {
  position: relative;
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0 2.5rem;
  background-color: var(--surface-input);
  border: 1px solid var(--line-light);
  border-radius: 12px;
  transition: all 0.2s ease;
}
.search-box:focus-within {
  border-color: var(--line-focus);
  box-shadow: 0 0 0 4px var(--accent-glow);
}
.search-icon {
  position: absolute;
  left: 0.85rem;
  color: var(--ink-muted);
  pointer-events: none;
}
.search-input {
  flex: 1;
  min-width: 0;
  padding: 0.65rem 0;
  font: inherit;
  font-size: 0.9rem;
  background: transparent;
  border: none;
  color: var(--ink-primary);
  outline: none;
}
.clear-search {
  position: absolute;
  right: 0.75rem;
  background: transparent;
  border: none;
  color: var(--ink-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  padding: 2px;
}
.clear-search:hover {
  color: var(--ink-primary);
}
.search-mood-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  flex-shrink: 0;
  padding: 0.2rem 0.3rem 0.2rem 0.6rem;
  border-radius: 999px;
  background: var(--accent-glow, color-mix(in srgb, var(--accent-neon) 16%, transparent));
  border: 1px solid var(--accent-neon, var(--accent-neon));
  color: var(--accent-neon, var(--accent-neon));
  font-size: 0.78rem;
  font-weight: 600;
  max-width: 45%;
  z-index: 1;
}
.search-mood-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.search-mood-x {
  display: inline-flex;
  align-items: center;
  background: transparent;
  border: none;
  color: inherit;
  cursor: pointer;
  padding: 1px;
  border-radius: 999px;
  opacity: 0.55;
  transition: opacity 0.15s ease, background 0.15s ease;
}
.search-mood-pill:hover .search-mood-x {
  opacity: 1;
}
.search-mood-x:hover {
  background: rgba(0, 0, 0, 0.25);
  opacity: 1;
}
.mobile-search-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
  background-color: var(--surface-card);
  border: 1px solid var(--line-light);
  border-radius: 10px;
  color: var(--ink-secondary);
  cursor: pointer;
  transition: all 0.15s ease;
}
.mobile-search-btn:hover {
  color: var(--ink-primary);
  border-color: var(--ink-secondary);
}
.search-modal {
  display: none;
}
.search-modal-bar {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.7rem 0.9rem;
  border-bottom: 1px solid var(--line-light);
}
.search-modal-bar .search-box {
  flex: 1;
}
.search-modal-close {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  color: var(--ink-primary);
  cursor: pointer;
}
.mobile-bottom-nav {
  display: none;
}
.bottom-nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  background: transparent;
  border: none;
  color: var(--ink-secondary);
  font: inherit;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.4rem 0;
  cursor: pointer;
  text-decoration: none;
}
.bottom-nav-item:active {
  color: var(--accent-neon);
}
.btn-panel-toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--surface-card);
  border: 1px solid var(--line-light);
  color: var(--ink-secondary);
  font: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.6rem 1rem;
  border-radius: 10px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s ease;
}
.btn-panel-toggle:hover {
  color: var(--ink-primary);
  border-color: var(--ink-secondary);
  background-color: var(--surface-input);
}
.app-body {
  flex: 1;
  max-width: 1440px;
  width: 100%;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.user-menu-wrapper {
  position: relative;
  display: inline-block;
}
.avatar-btn {
  background: transparent;
  border: none;
  padding: 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  color: var(--ink-secondary);
  border: 1px solid var(--line-light);
  background-color: var(--surface-card);
  transition: all 0.2s ease;
}
.avatar-btn:hover {
  color: var(--ink-primary);
  border-color: var(--ink-muted);
  background-color: var(--surface-input);
}
.avatar-guest-icon {
  color: var(--ink-secondary);
}
.user-menu-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 240px;
  background-color: var(--surface-card);
  border: 1px solid var(--line-light);
  border-radius: 12px;
  padding: 0.85rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  z-index: 180;
  display: none;
  flex-direction: column;
  gap: 0.75rem;
}
.user-menu-wrapper.is-open .user-menu-dropdown {
  display: flex;
}
.user-menu-info {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.25rem 0.5rem 0.5rem 0.5rem;
}
.user-menu-info .user-name {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--ink-primary);
}
.user-menu-info .user-email {
  font-size: 0.8rem;
  color: var(--ink-muted);
}
.dropdown-divider {
  height: 1px;
  background-color: var(--line-light);
  margin: 0.25rem 0;
}
.dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: transparent;
  border: none;
  color: var(--ink-secondary);
  font: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.5rem;
  border-radius: 8px;
  cursor: pointer;
  width: 100%;
  text-align: left;
  transition: all 0.15s ease;
}
.dropdown-item:hover {
  background-color: var(--surface-input);
  color: var(--ink-primary);
}
.dropdown-quick-settings {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  padding: 0.25rem 0.5rem;
}
.quick-settings-title {
  font-size: 0.75rem;
  font-weight: 750;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}
.quick-settings-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.quick-settings-row.toggle-row {
  justify-content: space-between;
}
.quick-icon {
  color: var(--ink-muted);
}
.quick-lang-select {
  flex: 1;
  padding: 0.35rem 0.5rem;
  font: inherit;
  font-size: 0.85rem;
  background-color: var(--surface-input);
  border: 1px solid var(--line-light);
  border-radius: 8px;
  color: var(--ink-primary);
  outline: none;
  cursor: pointer;
}
.toggle-label-text {
  font-size: 0.85rem;
  color: var(--ink-secondary);
  font-weight: 550;
}
.app-footer {
  background-color: var(--surface-dark);
  border-top: 1px solid var(--line-light);
  padding: 1.5rem 2.5rem;
  margin-top: auto;
}
.footer-container {
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
@media (min-width: 640px) {
  .footer-container {
    flex-direction: row;
    gap: 0;
  }
}
.footer-copyright {
  font-size: 0.85rem;
  color: var(--ink-muted);
}
.footer-version {
  margin-left: 0.4rem;
  opacity: 0;
  transition: opacity 0.15s ease;
  font-variant-numeric: tabular-nums;
}
.footer-copyright:hover .footer-version {
  opacity: 0.65;
}
.footer-links {
  display: flex;
  gap: 1.5rem;
}
.footer-link {
  font-size: 0.875rem;
  color: var(--ink-secondary);
  text-decoration: none;
  font-weight: 550;
  transition: color 0.15s ease;
}
.footer-link:hover {
  color: var(--accent-neon);
}
.kucken-app:has(.maximized-active) .app-footer {
  display: none;
}
.privacy-policy-layout {
  max-width: 800px;
  margin: 2rem auto;
  padding: 0 1.5rem;
  width: 100%;
}
.privacy-policy-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}
.privacy-policy-header h2 {
  font-size: 2rem;
  font-weight: 800;
  margin: 0;
  letter-spacing: -0.02em;
  background:
    linear-gradient(
      135deg,
      var(--ink-primary) 30%,
      var(--accent-neon));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.privacy-card {
  background:
    linear-gradient(
      135deg,
      var(--surface-dark),
      var(--surface-card));
  border: 1px solid var(--line-light);
  border-radius: 20px;
  padding: 2.5rem;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
  position: relative;
  overflow: hidden;
}
.privacy-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background:
    linear-gradient(
      90deg,
      var(--accent-neon),
      var(--error-neon));
}
.privacy-icon-container {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  background-color: var(--surface-input);
  border: 1px solid var(--line-light);
  border-radius: 50%;
  margin: 0 auto 1.5rem;
}
.privacy-brand-icon {
  color: var(--accent-neon);
  filter: drop-shadow(0 0 8px var(--accent-glow));
}
.privacy-card h3 {
  margin-top: 0;
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ink-primary);
  text-align: center;
}
.privacy-disclaimer-text {
  font-size: 1.1rem;
  line-height: 1.6;
  color: var(--ink-secondary);
  text-align: center;
  max-width: 650px;
  margin: 0 auto;
}
.btn-back-browse {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--surface-card);
  border: 1px solid var(--line-light);
  color: var(--ink-primary);
  font: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
}
.btn-back-browse:hover {
  background-color: var(--surface-input);
  border-color: var(--ink-muted);
}
@media (max-width: 640px) {
  html,
  body {
    overflow-x: hidden;
  }
  .header-container {
    padding: 0.6rem 0.9rem;
    gap: 0.6rem;
  }
  .header-controls {
    display: none;
  }
  .user-menu-wrapper {
    display: none;
  }
  .mobile-search-btn {
    display: flex;
  }
  .brand-name {
    font-size: 1.1rem;
  }
  .mobile-bottom-nav {
    display: flex;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 200;
    padding: 0.25rem 0.25rem calc(0.25rem + env(safe-area-inset-bottom, 0px));
    background-color: color-mix(in srgb, var(--surface-dark) 92%, transparent);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid var(--line-light);
  }
  .app-body {
    padding-bottom: 5rem;
  }
  .app-footer {
    padding-bottom: 5rem;
  }
  .settings-page-header {
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
  }
  .settings-page-header h2 {
    font-size: 1.5rem;
  }
  .settings-page-layout {
    padding-left: 0.25rem;
    padding-right: 0.25rem;
  }
  .search-modal {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 300;
    background-color: var(--bg-dark);
    border-bottom: 1px solid var(--line-light);
  }
  .feed-tabs {
    width: 100%;
    max-width: 100%;
    align-self: stretch;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    background: transparent;
    border: none;
    padding: 0;
    margin-bottom: 0.85rem;
  }
  .feed-tabs::-webkit-scrollbar {
    display: none;
  }
  .tab-item {
    flex: 0 0 auto;
    white-space: nowrap;
  }
  .app-body {
    padding: 1rem 0.9rem 3rem;
  }
  .video-grid {
    grid-template-columns: 1fr;
  }
}
@media (min-width: 1000px) {
  .video-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (orientation: landscape) and (max-height: 600px) {
  :host(.on-watch) .app-header {
    display: none;
  }
  :host(.on-watch) .mobile-bottom-nav {
    display: none;
  }
}
.app-shell-row {
  display: flex;
  align-items: stretch;
}
.app-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  min-height: calc(100vh - 64px);
}
.app-content > * {
  display: block;
  width: 100%;
}
.app-content > .app-footer {
  margin-top: auto;
}
.app-scrim {
  display: none;
}
z-side-nav {
  flex: none;
  position: sticky;
  top: 64px;
  height: calc(100vh - 64px);
  display: none;
}
html.sidebar-open z-side-nav {
  display: block;
}
@media (max-width: 900px) {
  z-side-nav {
    position: fixed;
    left: 0;
    top: 64px;
    bottom: 0;
    height: auto;
    z-index: 60;
  }
  html.sidebar-open .app-scrim {
    display: block;
    position: fixed;
    inset: 64px 0 0 0;
    background: rgba(0, 0, 0, 0.55);
    z-index: 55;
  }
}
.header-left {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.hamburger {
  background: none;
  border: none;
  color: var(--ink-primary);
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
}
.hamburger:hover {
  background: color-mix(in srgb, var(--ink-primary) 8%, transparent);
}
.brand-studio {
  display: none;
}
:host(.in-studio) .brand-tld {
  display: none;
}
:host(.in-studio) .brand-studio {
  display: inline;
}
.studio-upload {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--surface-card);
  border: 1px solid var(--line-light);
  color: var(--ink-secondary);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: 12px;
  text-decoration: none;
  white-space: nowrap;
  transition: all 0.15s ease;
}
.studio-upload:hover {
  color: var(--ink-primary);
  border-color: var(--ink-secondary);
  background-color: var(--surface-input);
}
@media (max-width: 600px) {
  .studio-upload span {
    display: none;
  }
}
.studio-main {
  padding: 28px 36px 56px;
  max-width: 1600px;
  width: 100%;
}
@media (max-width: 900px) {
  .studio-main {
    padding: 18px 16px 48px;
  }
}
.error-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem;
  background: var(--bg-dark, var(--bg-dark));
  color: var(--ink-primary, var(--ink-primary));
}
.error-card {
  max-width: 26rem;
  text-align: center;
}
.error-status {
  margin: 0;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--ink-muted, var(--ink-muted));
}
.error-heading {
  margin: 0.4rem 0 0;
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink-primary, var(--ink-primary));
}
.error-body {
  margin: 0.75rem 0 1.5rem;
  color: var(--ink-secondary, var(--ink-secondary));
  line-height: 1.5;
}
.error-action {
  display: inline-block;
  padding: 0.65rem 1.25rem;
  border-radius: 10px;
  background-color: var(--accent, var(--accent-neon));
  color: var(--ink-primary);
  font-weight: 600;
  text-decoration: none;
}
.error-action:hover {
  filter: brightness(1.05);
}