/**
 * Central stylesheet entry point.
 *
 * Route and shared styles are split into dedicated modules and imported here so
 * the build still emits a single CSS file for the frontend.
 */
/**
 * Base design tokens, resets, and utility helpers.
 */
:root {
  --bg-void: #0a0a0f;
  --bg-depth: #12121a;
  --bg-surface: #1a1a25;
  --bg-elevated: #222230;
  --accent-primary: #00f0ff;
  --accent-primary-dim: #00b8c4;
  --accent-primary-glow: rgba(0, 240, 255, 0.4);
  --accent-secondary: #b829f7;
  --accent-secondary-glow: rgba(184, 41, 247, 0.4);
  --success: #00ff9d;
  --warning: #ffd700;
  --error: #ff3860;
  --info: #00b4d8;
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.72);
  --text-tertiary: rgba(255, 255, 255, 0.4);
  --text-inverse: #0a0a0f;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-8: 48px;
  --space-10: 64px;
  --space-12: 96px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;
  --font-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-back: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-spring: cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --duration-fast: 200ms;
  --duration-normal: 300ms;
  --duration-slow: 500ms;
  --z-base: 0;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-modal: 300;
  --z-tooltip: 400;
  --z-particle: -1;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-display);
  background-color: var(--bg-void);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-5);
}

.hidden {
  display: none !important;
}

.page {
  width: 100%;
  min-height: 100vh;
  position: relative;
}
.page.active {
  display: block;
}

.animate-fade-in {
  animation: fadeIn 0.5s var(--ease-out-expo) forwards;
}

.animate-fade-in-up {
  animation: fadeInUp 0.6s var(--ease-out-expo) forwards;
}

.stagger-1 {
  animation-delay: 0.1s;
}

.stagger-2 {
  animation-delay: 0.2s;
}

.stagger-3 {
  animation-delay: 0.3s;
}

.stagger-4 {
  animation-delay: 0.4s;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-depth);
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
}

::selection {
  background: var(--accent-primary-glow);
  color: var(--text-primary);
}

/**
 * Shared UI primitives reused by multiple routes.
 */
.page-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-5);
  color: var(--text-tertiary);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

#particle-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: var(--z-particle);
  pointer-events: none;
}

.glass-card {
  background: rgba(26, 26, 37, 0.6);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  transition: transform var(--duration-fast) var(--ease-out-expo), box-shadow var(--duration-fast) var(--ease-out-expo);
}
.glass-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 42px rgba(0, 0, 0, 0.42), 0 0 28px rgba(0, 240, 255, 0.08);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  border-radius: var(--radius-md);
  transition: all var(--duration-fast) var(--ease-out-expo);
  position: relative;
  overflow: hidden;
}
.btn--primary {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-primary-dim));
  color: var(--text-inverse);
  box-shadow: 0 0 20px var(--accent-primary-glow);
}
.btn--secondary {
  background: transparent;
  border: 1px solid rgba(0, 240, 255, 0.3);
  color: var(--accent-primary);
}
.btn--ghost {
  background: transparent;
  color: var(--text-secondary);
}
.btn--danger {
  background: rgba(255, 56, 96, 0.18);
  border: 1px solid var(--error);
  color: var(--error);
}
.btn--lg {
  padding: var(--space-4) var(--space-6);
  font-size: 1.05rem;
  border-radius: var(--radius-lg);
}
.btn--icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-md);
}
.btn:hover {
  transform: translateY(-1px);
}
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.input-group {
  position: relative;
  margin-bottom: var(--space-4);
}

.input-field {
  width: 100%;
  padding: var(--space-4);
  background: var(--bg-surface);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 1rem;
  transition: all var(--duration-fast) var(--ease-out-expo);
}
.input-field::placeholder {
  color: var(--text-tertiary);
}
.input-field:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-primary-glow);
}

.input-label {
  display: block;
  margin-bottom: var(--space-2);
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.loading-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.14);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
.toast-container {
  position: fixed;
  top: var(--space-5);
  right: var(--space-5);
  z-index: 500;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  background: var(--bg-elevated);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  animation: slideIn 0.3s var(--ease-out-expo);
}
.toast--success {
  border-left: 3px solid var(--success);
}
.toast--error {
  border-left: 3px solid var(--error);
}
.toast--info {
  border-left: 3px solid var(--info);
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(100px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  padding: var(--space-3) 0;
  background: rgba(10, 10, 15, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}
.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.header__logo svg {
  width: 32px;
  height: 32px;
}
.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.header__link {
  padding: var(--space-2) var(--space-4);
  color: var(--text-secondary);
  font-size: 0.95rem;
  border-radius: var(--radius-md);
  transition: all var(--duration-fast) var(--ease-out-expo);
}
.header__link:hover, .header__link.active {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}
.header__user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.header__avatar {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(0, 240, 255, 0.14);
  color: var(--accent-primary);
  font-weight: 700;
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-6);
}
.pagination__btn {
  min-width: 40px;
  height: 40px;
  padding: 0 var(--space-3);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-secondary);
}
.pagination__btn.active, .pagination__btn:hover:not(:disabled) {
  color: var(--text-primary);
  border-color: rgba(0, 240, 255, 0.35);
  background: rgba(0, 240, 255, 0.08);
}
.pagination__btn:disabled {
  opacity: 0.4;
}

.empty-state {
  padding: var(--space-10) var(--space-5);
  text-align: center;
  color: var(--text-secondary);
}
.empty-state__icon {
  font-size: 2rem;
  margin-bottom: var(--space-4);
}
.empty-state__title {
  font-size: 1.25rem;
  margin-bottom: var(--space-2);
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-4);
  }
  .header__inner {
    flex-wrap: wrap;
    justify-content: center;
  }
  .header__nav {
    width: 100%;
    justify-content: center;
  }
}
/**
 * Styles for `/home`, `/login`, and `/register`.
 */
.home-landing {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: var(--space-5);
}

.home-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: 72px;
}
.home-nav__section {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 24px);
}
.home-nav__section--left {
  padding-left: var(--space-4);
}
.home-nav__section--right {
  padding-right: var(--space-4);
}
.home-nav__link {
  color: var(--text-secondary);
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0;
  background: transparent;
}
.home-nav__link:hover, .home-nav__link--active {
  color: var(--text-primary);
}

.home-theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--text-secondary);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.82rem;
  pointer-events: none;
}
.home-theme-toggle__track {
  width: 44px;
  height: 24px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  display: inline-flex;
  align-items: center;
  padding: 2px;
}
.home-theme-toggle__thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  transform: translateX(20px);
}

.home-auth {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.home-lang-select {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 6px 10px;
  cursor: pointer;
  outline: none;
  transition: all 0.2s ease;
}
.home-lang-select:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
}
.home-lang-select:focus {
  border-color: rgba(0, 240, 255, 0.4);
  box-shadow: 0 0 0 2px rgba(0, 240, 255, 0.1);
}
.home-lang-select option {
  background: var(--bg-primary);
  color: var(--text-primary);
}

.home-user-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: 8px 12px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
}
.home-user-chip__avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.12);
  font-weight: 700;
}

.home-stage {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: clamp(20px, 4vw, 48px);
}
.home-stage__content {
  width: min(1120px, 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  text-align: center;
}
.home-stage__eyebrow {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.88rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}
.home-stage__title {
  max-width: 780px;
  font-size: clamp(2rem, 4.6vw, 4.5rem);
  line-height: 1.06;
  font-weight: 700;
}
.home-stage__subtitle {
  max-width: 760px;
  color: var(--text-secondary);
  font-size: clamp(0.98rem, 1.4vw, 1.15rem);
}
.home-stage__footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-5);
  color: var(--text-tertiary);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.home-sphere-slot {
  width: min(78vw, 760px);
  height: min(70vh, 760px);
  min-width: 320px;
  min-height: 320px;
  position: relative;
}

.home-sphere,
.home-sphere__canvas {
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
}

.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px var(--space-5) var(--space-8);
  position: relative;
  z-index: 1;
}

.auth-card {
  width: min(100%, 520px);
  padding: var(--space-8);
}
.auth-card__header {
  text-align: center;
  margin-bottom: var(--space-6);
}
.auth-card__title {
  font-size: 2rem;
  margin-bottom: var(--space-2);
}
.auth-card__subtitle {
  color: var(--text-secondary);
}
.auth-card__tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}
.auth-card__tab {
  padding: var(--space-3);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.04);
}
.auth-card__tab.active {
  color: var(--text-primary);
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.2);
}

.auth-form__submit {
  width: 100%;
  margin-top: var(--space-5);
}

.password-strength__bar {
  margin-top: var(--space-2);
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  overflow: hidden;
}

.password-strength__fill {
  height: 100%;
  transition: all 0.3s ease;
}

.password-strength__label {
  font-size: 0.75rem;
  margin-top: 4px;
  display: block;
}

@media (max-width: 840px) {
  .home-landing {
    padding: var(--space-4);
  }
  .home-nav {
    flex-direction: column;
    align-items: stretch;
  }
  .home-nav__section {
    justify-content: space-between;
    flex-wrap: wrap;
  }
  .home-stage__footer {
    flex-direction: column;
    gap: var(--space-2);
  }
}
@media (max-width: 560px) {
  .home-sphere-slot {
    width: min(90vw, 480px);
    height: min(56vh, 480px);
  }
  .auth-card {
    padding: var(--space-6);
  }
}
/**
 * Styles for `/metaland/**` routes.
 */
#metaland,
#house {
  min-height: 100vh;
  background: #fff;
  transition: background 0.3s ease;
}
#metaland.dark-mode,
#house.dark-mode {
  background: #000;
}

#grid-container,
#map-container {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.grid-dot {
  position: absolute;
  background: #ccc;
  border-radius: 50%;
  transition: transform 0.3s ease;
}

.zone-button,
.back-button {
  position: absolute;
  z-index: 10;
  padding: 14px 24px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  backdrop-filter: blur(14px);
}

#house-button {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

#back-button,
.back-button {
  top: var(--space-5);
  left: var(--space-5);
}

.entity {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(0, 240, 255, 0.65);
  box-shadow: 0 0 12px rgba(0, 240, 255, 0.5);
}

.myuna-dot {
  width: 16px;
  height: 16px;
  background: rgba(184, 41, 247, 0.8);
  box-shadow: 0 0 18px rgba(184, 41, 247, 0.5);
}

.heart-beat {
  animation: heartBeat 1.8s ease-in-out infinite;
}

@keyframes heartBeat {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.18);
  }
}
/**
 * Styles for `/transnet/**` routes.
 */
.profile-page {
  padding: 120px 0 var(--space-8);
  position: relative;
  z-index: 1;
}

.history-list,
.favorites-grid {
  display: grid;
  gap: var(--space-5);
}

.history-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-4);
  padding: var(--space-5);
}
.history-card__timeline {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}
.history-card__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent-primary);
  box-shadow: 0 0 18px rgba(0, 240, 255, 0.45);
}
.history-card__line {
  flex: 1;
  width: 1px;
  background: rgba(255, 255, 255, 0.08);
  min-height: 40px;
}
.history-card__content {
  display: grid;
  gap: var(--space-3);
}
.history-card__header, .history-card__actions, .history-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.history-card__text {
  color: var(--text-secondary);
}
.history-card__translation {
  font-size: 1.08rem;
  color: var(--text-primary);
  font-weight: 500;
}
.history-card__badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.16);
  color: var(--accent-primary);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
}

.favorite-card {
  padding: var(--space-5);
  display: grid;
  gap: var(--space-4);
}

.note-display {
  font-size: 0.9rem;
  color: var(--text-tertiary);
  padding: var(--space-3);
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-md);
}

.note-edit {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.note-input {
  flex: 1;
  padding: 8px 12px;
}

.profile-header {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-5);
  align-items: center;
  margin-bottom: var(--space-6);
  padding: var(--space-6);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.profile-header__avatar {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.16), rgba(184, 41, 247, 0.18));
  color: var(--text-primary);
}
.profile-header__email {
  color: var(--text-secondary);
  margin-top: var(--space-1);
}
.profile-header__stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-4);
}
.profile-header__stat {
  min-width: 120px;
}
.profile-header__stat-value {
  font-size: 1.4rem;
  font-weight: 700;
}
.profile-header__stat-label {
  color: var(--text-tertiary);
  font-size: 0.85rem;
}

.profile-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-5);
}

.profile-section {
  padding: var(--space-6);
}
.profile-section__title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-5);
}
.profile-section__title--danger {
  color: var(--error);
}
.profile-section--danger {
  margin-top: var(--space-5);
}

.profile-form__actions {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.profile-form__grow {
  flex: 1;
}

.profile-form__full {
  width: 100%;
  margin-top: var(--space-5);
}

#transnet {
  min-height: 100vh;
  padding: var(--space-6);
  display: grid;
  gap: var(--space-8);
  position: relative;
  z-index: 1;
}

#transnet-header,
#transnet-footer,
#transnet-main {
  width: min(1120px, 100%);
  margin: 0 auto;
}

#transnet-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.header-content h1 {
  font-size: clamp(2rem, 4vw, 3.2rem);
}

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

.back-button {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
}

.transnet-stage {
  min-height: 100vh;
  padding: var(--space-6);
  display: grid;
  gap: var(--space-8);
  position: relative;
  z-index: 1;
}
.transnet-stage__content {
  width: min(1120px, 100%);
  margin: 0 auto;
  display: grid;
  gap: var(--space-8);
}

.transnet-translation {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--space-12);
  align-items: stretch;
}

.transnet-translation__section {
  padding: var(--space-5);
  border-radius: var(--radius-xl);
  background: rgba(26, 26, 37, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: grid;
  gap: var(--space-4);
}
.transnet-translation__section textarea,
.transnet-translation__section select {
  width: 100%;
}
.transnet-translation__section textarea {
  min-height: 320px;
  resize: vertical;
  color: var(--text-primary);
}

.transnet-section__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.transnet-section__header label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.transnet-swap-button {
  width: 60px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border-radius: var(--radius-md);
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.16);
  color: var(--accent-primary);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out-expo);
}
.transnet-swap-button svg {
  transition: transform var(--duration-normal) var(--ease-out-expo);
}
.transnet-swap-button:hover {
  background: rgba(0, 240, 255, 0.12);
  border-color: rgba(0, 240, 255, 0.3);
  transform: translateY(-1px);
}
.transnet-swap-button:hover svg {
  transform: rotate(180deg);
}
.transnet-swap-button:active {
  transform: translateY(0);
}

.transnet-translate-button {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.16);
  color: var(--accent-primary);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out-expo);
}
.transnet-translate-button:hover {
  background: rgba(0, 240, 255, 0.12);
  border-color: rgba(0, 240, 255, 0.3);
  transform: translateY(-1px);
}
.transnet-translate-button:active {
  transform: translateY(0);
}

.transnet-translate-button {
  min-width: 140px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-primary-dim));
  color: var(--text-inverse);
  box-shadow: 0 0 20px var(--accent-primary-glow);
}
.transnet-translate-button:hover {
  box-shadow: 0 0 30px var(--accent-primary-glow), 0 0 60px rgba(0, 240, 255, 0.2);
}
.transnet-translate-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  box-shadow: none;
}

.transnet-status {
  color: var(--text-secondary);
  text-align: center;
  font-size: 0.95rem;
  padding: var(--space-3);
  border-radius: var(--radius-md);
  transition: all var(--duration-fast);
}
.transnet-status[data-state=loading] {
  color: var(--accent-primary);
}
.transnet-status[data-state=success] {
  color: var(--success);
}
.transnet-status[data-state=error] {
  color: var(--error);
}

@media (max-width: 900px) {
  .profile-grid,
  .transnet-translation {
    grid-template-columns: 1fr;
  }
  .profile-header {
    grid-template-columns: 1fr;
    text-align: center;
  }
  #transnet-header {
    flex-direction: column;
    align-items: flex-start;
  }
}
.transnet-config {
  padding: var(--space-5);
  border-radius: var(--radius-xl);
  background: rgba(26, 26, 37, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: grid;
  gap: var(--space-4);
}
.transnet-config__controls {
  display: grid;
  gap: var(--space-4);
}
.transnet-config__row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.transnet-config__row label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.03em;
}
.transnet-config__row select,
.transnet-config__row button {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  background: var(--bg-depth);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out-expo);
}
.transnet-config__row select:hover,
.transnet-config__row button:hover {
  border-color: rgba(0, 240, 255, 0.3);
  background: var(--bg-surface);
}
.transnet-config__row button {
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.16);
  color: var(--accent-primary);
}

.transnet-image-upload-area {
  display: none;
  padding: var(--space-4);
  border: 2px dashed rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-md);
  text-align: center;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out-expo);
}
.transnet-image-upload-area.visible {
  display: block;
}
.transnet-image-upload-area:hover {
  border-color: rgba(0, 240, 255, 0.3);
  background: rgba(0, 240, 255, 0.04);
}

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

.transnet-upload-placeholder {
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}
.transnet-upload-placeholder svg {
  width: 48px;
  height: 48px;
  opacity: 0.6;
}
.transnet-upload-placeholder span {
  font-size: 0.9rem;
}

.transnet-image-preview {
  display: none;
  margin-top: var(--space-3);
  max-width: 100%;
  max-height: 320px;
  object-fit: contain;
  border-radius: var(--radius-md);
  background: var(--bg-depth);
}
.transnet-image-preview.visible {
  display: block;
}

.transnet-extra-output {
  padding: var(--space-5);
  border-radius: var(--radius-xl);
  background: rgba(26, 26, 37, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.08);
  min-height: 100px;
}
.transnet-extra-output__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-3);
}
.transnet-extra-output__content {
  color: var(--text-secondary);
  min-height: 60px;
}

.transnet-source-text,
.transnet-target-text {
  padding: var(--space-4);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.95rem;
  line-height: 1.7;
  resize: none;
  overflow-y: auto;
  font-family: var(--font-mono);
  transition: all var(--duration-fast) var(--ease-out-expo);
}
.transnet-source-text::placeholder,
.transnet-target-text::placeholder {
  color: var(--text-tertiary);
  font-family: var(--font-mono);
}
.transnet-source-text:focus,
.transnet-target-text:focus {
  background: rgba(255, 255, 255, 0.01);
  border-color: rgba(0, 240, 255, 0.2);
  box-shadow: 0 0 0 2px rgba(0, 240, 255, 0.08);
  outline: none;
}
.transnet-source-text:disabled,
.transnet-target-text:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.transnet-source-lang,
.transnet-target-lang,
.transnet-output-type,
.transnet-input-type {
  appearance: none;
  background: var(--bg-depth);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  color: var(--text-primary);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out-expo);
}
.transnet-source-lang:hover,
.transnet-target-lang:hover,
.transnet-output-type:hover,
.transnet-input-type:hover {
  border-color: rgba(0, 240, 255, 0.3);
  background: var(--bg-surface);
}
.transnet-source-lang:focus,
.transnet-target-lang:focus,
.transnet-output-type:focus,
.transnet-input-type:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-primary-glow);
  outline: none;
}

.transnet-nav {
  width: 100%;
  padding: var(--space-4) 0;
  display: flex;
  justify-content: center;
  position: relative;
  z-index: 10;
}
.transnet-nav__container {
  display: flex;
  gap: var(--space-6);
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
}
.transnet-nav__btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0;
  padding: var(--space-3) var(--space-4);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-full);
  cursor: pointer;
  color: var(--text-primary);
  font-family: var(--font-display);
  font-size: 0.9rem;
  transition: color var(--duration-fast) var(--ease-out-expo), background-color var(--duration-fast) var(--ease-out-expo), border-color var(--duration-fast) var(--ease-out-expo), transform var(--duration-fast) var(--ease-out-expo), box-shadow var(--duration-fast) var(--ease-out-expo);
}
.transnet-nav__btn:hover, .transnet-nav__btn:focus-visible {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(0, 240, 255, 0.2);
  color: var(--accent-primary);
  transform: translateY(-1px);
}
.transnet-nav__btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.16);
}
.transnet-nav__btn-letter {
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1;
  min-width: 1.4rem;
  text-align: center;
  color: inherit;
  text-shadow: 0 0 0 transparent;
  transition: color var(--duration-fast) var(--ease-out-expo), text-shadow var(--duration-fast) var(--ease-out-expo);
}
.transnet-nav__btn-full {
  max-width: 0;
  margin-left: 0;
  opacity: 0;
  overflow: hidden;
  white-space: nowrap;
  color: inherit;
  transform: translateX(-0.2rem);
  transform-origin: left center;
  transition: max-width 420ms var(--ease-out-expo), margin-left 420ms var(--ease-out-expo), opacity 300ms ease, transform 420ms var(--ease-out-expo);
}
.transnet-nav__btn--active, .transnet-nav__btn:hover, .transnet-nav__btn:focus-visible {
  color: var(--accent-primary);
}
.transnet-nav__btn--active .transnet-nav__btn-letter, .transnet-nav__btn:hover .transnet-nav__btn-letter, .transnet-nav__btn:focus-visible .transnet-nav__btn-letter {
  text-shadow: 0 0 20px var(--accent-primary-glow);
}
.transnet-nav__btn--active .transnet-nav__btn-full, .transnet-nav__btn:hover .transnet-nav__btn-full, .transnet-nav__btn:focus-visible .transnet-nav__btn-full {
  max-width: var(--transnet-nav-label-width, 8rem);
  margin-left: 0;
  opacity: 1;
  transform: translateX(0);
}

.history-split-layout,
.favorites-split-layout {
  display: grid;
  grid-template-columns: 350px 1fr;
  gap: var(--space-6);
  align-items: start;
}
.history-split-layout__list,
.favorites-split-layout__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-height: calc(100vh - 280px);
  overflow-y: auto;
  padding-right: var(--space-2);
}
.history-split-layout__list::-webkit-scrollbar,
.favorites-split-layout__list::-webkit-scrollbar {
  width: 6px;
}
.history-split-layout__list::-webkit-scrollbar-track,
.favorites-split-layout__list::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-full);
}
.history-split-layout__list::-webkit-scrollbar-thumb,
.favorites-split-layout__list::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-full);
}
.history-split-layout__list::-webkit-scrollbar-thumb:hover,
.favorites-split-layout__list::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.24);
}
.history-split-layout__item,
.favorites-split-layout__item {
  padding: var(--space-4);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out-expo);
}
.history-split-layout__item:hover,
.favorites-split-layout__item:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(0, 240, 255, 0.3);
  transform: translateX(4px);
}
.history-split-layout__item--active,
.favorites-split-layout__item--active {
  background: rgba(0, 240, 255, 0.08);
  border-color: var(--accent-primary);
}
.history-split-layout__item-row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}
.history-split-layout__item-row .history-split-layout__item-text {
  flex: 1;
  min-width: 0;
  margin-bottom: 0;
}
.history-split-layout__item-row .history-item-favorite-btn {
  flex-shrink: 0;
  color: var(--text-tertiary);
}
.history-split-layout__item-row .history-item-favorite-btn.is-favorite,
.history-favorite-btn.is-favorite {
  color: #f59e0b;
}
.history-split-layout__item-text,
.favorites-split-layout__item-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.5;
  margin-bottom: var(--space-2);
}
.history-split-layout__item-text.truncated,
.favorites-split-layout__item-text.truncated {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.history-split-layout__item-note,
.favorites-split-layout__item-note {
  color: var(--text-tertiary);
  font-size: 0.85rem;
  font-style: italic;
  padding: var(--space-2);
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--radius-sm);
  border-left: 2px solid rgba(0, 240, 255, 0.3);
}
.history-split-layout__item-meta,
.favorites-split-layout__item-meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.8rem;
  color: var(--text-tertiary);
  margin-top: var(--space-2);
}
.history-split-layout__details,
.favorites-split-layout__details {
  padding: var(--space-6);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.history-split-layout__details-header,
.favorites-split-layout__details-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-5);
}
.history-split-layout__details-content,
.favorites-split-layout__details-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.history-split-layout__details-source,
.favorites-split-layout__details-source {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.6;
}
.history-split-layout__details-translation,
.favorites-split-layout__details-translation {
  color: var(--text-primary);
  font-size: 1.2rem;
  font-weight: 500;
  line-height: 1.6;
}

@media (max-width: 1024px) {
  .history-split-layout,
  .favorites-split-layout {
    grid-template-columns: 1fr;
  }
  .history-split-layout__list,
  .favorites-split-layout__list {
    max-height: 400px;
    margin-bottom: var(--space-6);
  }
}
.transnet-section {
  padding: var(--space-5);
  border-radius: var(--radius-xl);
  background: transparent;
  border: none;
  display: grid;
  gap: var(--space-4);
}
.transnet-section__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.transnet-section__header label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.transnet-section textarea {
  width: 100%;
  height: 60px;
  min-height: 60px;
  max-height: 400px;
  resize: none;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  font-size: 0.95rem;
  line-height: 1.6;
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  transition: all var(--duration-fast) var(--ease-out-expo);
}
.transnet-section textarea::placeholder {
  color: var(--text-tertiary);
  font-family: var(--font-mono);
}
.transnet-section textarea:focus {
  background: rgba(255, 255, 255, 0.02);
  border-color: rgba(0, 240, 255, 0.3);
  box-shadow: 0 0 0 2px rgba(0, 240, 255, 0.1);
  outline: none;
}
.transnet-section textarea:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.transnet-divider {
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.2) 20%, rgba(255, 255, 255, 0.2) 80%, transparent 100%);
  margin: var(--space-2) 0;
}
.transnet-divider--compact {
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.15) 30%, rgba(255, 255, 255, 0.15) 70%, transparent 100%);
  margin: var(--space-1) 0;
}

.transnet-section--config {
  background: transparent;
  border: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.transnet-config__controls {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}
.transnet-config__group {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.transnet-config__group-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-tertiary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-1);
  padding-left: var(--space-1);
  border-left: 2px solid var(--accent-primary);
}
.transnet-config__row {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.transnet-config__row label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.03em;
  min-width: 100px;
}
.transnet-config__row select {
  appearance: none;
  background: var(--bg-depth);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  color: var(--text-primary);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out-expo);
  min-width: 180px;
}
.transnet-config__row select:hover {
  border-color: rgba(0, 240, 255, 0.3);
  background: var(--bg-surface);
}
.transnet-config__row select:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-primary-glow);
  outline: none;
}
.transnet-config__row button {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.16);
  color: var(--accent-primary);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out-expo);
}
.transnet-config__row button:hover {
  background: rgba(0, 240, 255, 0.12);
  border-color: rgba(0, 240, 255, 0.3);
  transform: translateY(-1px);
}
.transnet-config__row button:active {
  transform: translateY(0);
}
.transnet-config__row--languages {
  justify-content: space-between;
  gap: var(--space-4);
}
.transnet-config__row--action {
  justify-content: center;
  margin-top: var(--space-2);
}
.transnet-config__select-wrapper {
  flex: 1;
  min-width: 140px;
}
.transnet-config__select-wrapper select {
  width: 100%;
}

.transnet-swap-button {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border-radius: var(--radius-full);
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.2);
  color: var(--accent-primary);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out-back);
  flex-shrink: 0;
}
.transnet-swap-button svg {
  transition: transform var(--duration-normal) var(--ease-out-expo);
}
.transnet-swap-button:hover {
  background: rgba(0, 240, 255, 0.15);
  border-color: var(--accent-primary);
  box-shadow: 0 0 20px var(--accent-primary-glow);
}
.transnet-swap-button:hover svg {
  transform: rotate(180deg);
}
.transnet-swap-button:active {
  transform: scale(0.95);
}

.transnet-translate-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-width: 160px;
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-primary-dim));
  color: var(--text-inverse);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.03em;
  cursor: pointer;
  border: none;
  box-shadow: 0 4px 20px var(--accent-primary-glow);
  transition: all var(--duration-fast) var(--ease-out-expo);
}
.transnet-translate-button svg {
  width: 20px;
  height: 20px;
}
.transnet-translate-button:hover {
  box-shadow: 0 6px 30px var(--accent-primary-glow), 0 0 60px rgba(0, 240, 255, 0.2);
  transform: translateY(-2px);
}
.transnet-translate-button:active {
  transform: translateY(0);
  box-shadow: 0 2px 10px var(--accent-primary-glow);
}
.transnet-translate-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

.transnet-status-container {
  text-align: center;
  padding: var(--space-2);
}

.transnet-status {
  color: var(--text-secondary);
  font-size: 0.95rem;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-full);
  display: inline-block;
  transition: all var(--duration-fast);
}
.transnet-status[data-state=loading] {
  color: var(--accent-primary);
  background: rgba(0, 240, 255, 0.08);
}
.transnet-status[data-state=success] {
  color: var(--success);
  background: rgba(0, 255, 157, 0.08);
}
.transnet-status[data-state=error] {
  color: var(--error);
  background: rgba(255, 56, 96, 0.08);
}

.transnet-extra-output {
  padding: var(--space-6);
  border-radius: var(--radius-xl);
  background: transparent;
  border: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  min-height: 100px;
}
.transnet-extra-output__title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.transnet-extra-output__content {
  color: var(--text-secondary);
  min-height: 60px;
  line-height: 1.7;
}
.transnet-extra-output__section {
  margin-bottom: var(--space-5);
}
.transnet-extra-output__section:last-child {
  margin-bottom: 0;
}
.transnet-extra-output__section h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-3);
  padding: var(--space-2) var(--space-3);
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--accent-primary);
}
.transnet-extra-output__section h5 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin: var(--space-3) 0 var(--space-2);
  padding-left: var(--space-2);
  border-left: 2px solid rgba(0, 240, 255, 0.4);
}
.transnet-extra-output__section p {
  margin-bottom: var(--space-2);
  line-height: 1.7;
}
.transnet-extra-output__section p:last-child {
  margin-bottom: 0;
}
.transnet-extra-output__section ul {
  margin: var(--space-2) 0;
  padding-left: var(--space-4);
}
.transnet-extra-output__section ul li {
  margin-bottom: var(--space-2);
  line-height: 1.6;
  color: var(--text-secondary);
}
.transnet-extra-output__section ul li:last-child {
  margin-bottom: 0;
}
.transnet-extra-output__example {
  margin-bottom: var(--space-3);
  padding: var(--space-4);
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.transnet-extra-output__example:last-child {
  margin-bottom: 0;
}
.transnet-extra-output__comparison {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}
@media (max-width: 768px) {
  .transnet-extra-output__comparison {
    grid-template-columns: 1fr;
  }
}
.transnet-extra-output__comparison-side {
  padding: var(--space-4);
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.transnet-extra-output__comparison-side h5 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-primary);
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.transnet-extra-output__comparison-side p {
  color: var(--text-secondary);
  line-height: 1.7;
}

/**
 * Transnet Design System
 * Theme: Deep Space Aurora
 * Based on Design.md specifications
 */
:root {
  --bg-void: #0a0a0f;
  --bg-depth: #12121a;
  --bg-surface: #1a1a25;
  --bg-elevated: #222230;
  --accent-primary: #00f0ff;
  --accent-primary-dim: #00b8c4;
  --accent-primary-glow: rgba(0, 240, 255, 0.4);
  --accent-secondary: #b829f7;
  --accent-secondary-glow: rgba(184, 41, 247, 0.4);
  --success: #00ff9d;
  --warning: #ffd700;
  --error: #ff3860;
  --info: #00b4d8;
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.7);
  --text-tertiary: rgba(255, 255, 255, 0.4);
  --text-inverse: #0a0a0f;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-8: 48px;
  --space-10: 64px;
  --space-12: 96px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;
  --font-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-back: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-spring: cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --duration-fast: 200ms;
  --duration-normal: 300ms;
  --duration-slow: 500ms;
  --z-base: 0;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-modal: 300;
  --z-tooltip: 400;
  --z-particle: -1;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-display);
  background-color: var(--bg-void);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-5);
}

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.items-center {
  align-items: center;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.gap-2 {
  gap: var(--space-2);
}

.gap-4 {
  gap: var(--space-4);
}

.gap-6 {
  gap: var(--space-6);
}

.hidden {
  display: none !important;
}

#particle-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: var(--z-particle);
  pointer-events: none;
}

.glass-card {
  background: rgba(26, 26, 37, 0.6);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  transition: transform var(--duration-fast) var(--ease-out-expo), box-shadow var(--duration-fast) var(--ease-out-expo);
}
.glass-card:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5), 0 0 30px rgba(0, 240, 255, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.15);
}
.glass-card.active {
  transform: scale(0.99);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  border-radius: var(--radius-md);
  transition: all var(--duration-fast) var(--ease-out-expo);
  position: relative;
  overflow: hidden;
}
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s;
}
.btn:hover::before {
  transform: translateX(100%);
}
.btn--primary {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-primary-dim));
  color: var(--text-inverse);
  box-shadow: 0 0 20px var(--accent-primary-glow);
}
.btn--primary:hover {
  box-shadow: 0 0 30px var(--accent-primary-glow), 0 0 60px rgba(0, 240, 255, 0.2);
  transform: translateY(-2px);
}
.btn--primary:active {
  transform: translateY(0);
  box-shadow: 0 0 10px var(--accent-primary-glow);
}
.btn--secondary {
  background: transparent;
  border: 1px solid rgba(0, 240, 255, 0.3);
  color: var(--accent-primary);
}
.btn--secondary:hover {
  background: rgba(0, 240, 255, 0.1);
  border-color: var(--accent-primary);
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.15);
}
.btn--ghost {
  background: transparent;
  color: var(--text-secondary);
}
.btn--ghost:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}
.btn--danger {
  background: rgba(255, 56, 96, 0.2);
  border: 1px solid var(--error);
  color: var(--error);
}
.btn--danger:hover {
  background: rgba(255, 56, 96, 0.3);
  box-shadow: 0 0 20px rgba(255, 56, 96, 0.3);
}
.btn--lg {
  padding: var(--space-4) var(--space-6);
  font-size: 1.1rem;
  border-radius: var(--radius-lg);
}
.btn--icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-md);
}
.btn--icon:hover {
  transform: rotate(3deg);
}
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.input-group {
  position: relative;
  margin-bottom: var(--space-4);
}

.input-field {
  width: 100%;
  padding: var(--space-4);
  background: var(--bg-surface);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 1rem;
  transition: all var(--duration-fast) var(--ease-out-expo);
}
.input-field::placeholder {
  color: var(--text-tertiary);
}
.input-field:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-primary-glow);
}
.input-field.error {
  border-color: var(--error);
  box-shadow: 0 0 0 3px rgba(255, 56, 96, 0.3);
}

.input-label {
  display: block;
  margin-bottom: var(--space-2);
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.error-message {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-2);
  font-size: 0.875rem;
  color: var(--error);
}

.lang-select {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--bg-depth);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--duration-fast);
}
.lang-select:hover {
  border-color: var(--accent-primary);
  background: var(--bg-surface);
}
.lang-select select {
  appearance: none;
  background: transparent;
  color: inherit;
  font-size: 0.9rem;
  cursor: pointer;
}

.lang-swap-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-surface);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  transition: all var(--duration-fast) var(--ease-out-back);
}
.lang-swap-btn:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  transform: rotate(180deg);
}

.translator {
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
}
.translator__panels {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--space-4);
  align-items: stretch;
}
@media (max-width: 768px) {
  .translator__panels {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr auto 1fr;
  }
}
.translator__panel {
  min-height: 200px;
  display: flex;
  flex-direction: column;
}
.translator__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.translator__textarea {
  flex: 1;
  width: 100%;
  padding: var(--space-4);
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 1.1rem;
  line-height: 1.7;
  resize: none;
  min-height: 150px;
}
.translator__textarea::placeholder {
  color: var(--text-tertiary);
}
.translator__textarea:disabled {
  opacity: 0.7;
}
.translator__output {
  flex: 1;
  padding: var(--space-4);
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--text-primary);
  min-height: 150px;
}
.translator__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}
.translator__char-count {
  font-size: 0.8rem;
  color: var(--text-tertiary);
}
.translator__char-count.warning {
  color: var(--warning);
}
.translator__char-count.error {
  color: var(--error);
}
.translator__actions {
  display: flex;
  gap: var(--space-2);
}
.translator__center {
  display: flex;
  align-items: center;
  justify-content: center;
}
@media (max-width: 768px) {
  .translator__center {
    padding: var(--space-2) 0;
  }
}
.translator__submit {
  margin-top: var(--space-5);
  text-align: center;
}

.loading-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
.shimmer {
  background: linear-gradient(90deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.05) 50%, rgba(255, 255, 255, 0) 100%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}
.toast-container {
  position: fixed;
  top: var(--space-5);
  right: var(--space-5);
  z-index: 500;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  background: var(--bg-elevated);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  animation: slideIn 0.3s var(--ease-out-expo);
}
.toast--success {
  border-left: 3px solid var(--success);
}
.toast--error {
  border-left: 3px solid var(--error);
}
.toast--info {
  border-left: 3px solid var(--info);
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(100px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  padding: var(--space-3) 0;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.header__logo svg {
  width: 32px;
  height: 32px;
}
.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
@media (max-width: 768px) {
  .header__nav {
    display: none;
  }
}
.header__link {
  padding: var(--space-2) var(--space-4);
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all var(--duration-fast);
  position: relative;
}
.header__link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--accent-primary);
  transition: all var(--duration-fast);
  transform: translateX(-50%);
}
.header__link:hover, .header__link.active {
  color: var(--text-primary);
}
.header__link:hover::after, .header__link.active::after {
  width: 60%;
}
.header__user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.header__avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-inverse);
}

.history-card {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-4);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: background var(--duration-fast);
}
.history-card:hover {
  background: rgba(255, 255, 255, 0.02);
}
.history-card__timeline {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
}
.history-card__dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
  background: var(--accent-primary);
  box-shadow: 0 0 10px var(--accent-primary-glow);
}
.history-card__line {
  flex: 1;
  width: 2px;
  background: rgba(255, 255, 255, 0.1);
}
.history-card__content {
  flex: 1;
}
.history-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-2);
}
.history-card__text {
  font-size: 1rem;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}
.history-card__translation {
  font-size: 1rem;
  color: var(--accent-primary);
  margin-bottom: var(--space-2);
}
.history-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 0.8rem;
  color: var(--text-tertiary);
}
.history-card__badge {
  padding: 2px 8px;
  background: var(--bg-surface);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.history-card__actions {
  display: flex;
  gap: var(--space-2);
  opacity: 0;
  transition: opacity var(--duration-fast);
}
.history-card:hover .history-card__actions {
  opacity: 1;
}

.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-5);
}

.auth-card {
  width: 100%;
  max-width: 420px;
  padding: var(--space-8);
}
.auth-card__header {
  text-align: center;
  margin-bottom: var(--space-6);
}
.auth-card__title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: var(--space-2);
  background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.auth-card__subtitle {
  color: var(--text-secondary);
  font-size: 0.95rem;
}
.auth-card__tabs {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  padding: 4px;
  background: var(--bg-depth);
  border-radius: var(--radius-md);
}
.auth-card__tab {
  flex: 1;
  padding: var(--space-3);
  text-align: center;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast);
}
.auth-card__tab.active {
  background: var(--bg-surface);
  color: var(--text-primary);
}
.auth-card__tab:hover:not(.active) {
  color: var(--text-primary);
}

.profile-page {
  padding-top: 80px;
  padding-bottom: var(--space-10);
}

.profile-header {
  display: flex;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}
@media (max-width: 768px) {
  .profile-header {
    flex-direction: column;
    text-align: center;
  }
}
.profile-header__avatar {
  width: 100px;
  height: 100px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-inverse);
  box-shadow: 0 0 40px rgba(0, 240, 255, 0.3);
}
.profile-header__info {
  flex: 1;
}
.profile-header__name {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: var(--space-1);
}
.profile-header__email {
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
}
.profile-header__last-login {
  font-size: 0.875rem;
  color: var(--text-tertiary);
  margin: 0 0 var(--space-4);
}
.profile-header__stats {
  display: flex;
  gap: var(--space-6);
}
@media (max-width: 768px) {
  .profile-header__stats {
    justify-content: center;
  }
}
.profile-header__stat {
  text-align: center;
}
.profile-header__stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-primary);
}
.profile-header__stat-label {
  font-size: 0.85rem;
  color: var(--text-tertiary);
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-6);
}
.pagination__btn {
  min-width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-surface);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-weight: 500;
  transition: all var(--duration-fast);
}
.pagination__btn:hover:not(:disabled) {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}
.pagination__btn.active {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: var(--text-inverse);
}
.pagination__btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.empty-state {
  text-align: center;
  padding: var(--space-12) var(--space-5);
}
.empty-state__icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-surface);
  border-radius: var(--radius-full);
  color: var(--text-tertiary);
  font-size: 2rem;
}
.empty-state__title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--text-primary);
}
.empty-state__description {
  color: var(--text-secondary);
  max-width: 400px;
  margin: 0 auto;
}

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-10) var(--space-5);
  text-align: center;
}
.hero__title {
  font-size: clamp(2.5rem, 8vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero__subtitle {
  font-size: clamp(1rem, 3vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 600px;
  margin-bottom: var(--space-8);
}
.hero__translator {
  width: 100%;
  max-width: 900px;
}
.hero__recent {
  margin-top: var(--space-10);
  width: 100%;
  max-width: 800px;
}
.hero__section-title {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
  text-align: left;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}
@keyframes glow {
  0%, 100% {
    box-shadow: 0 0 20px var(--accent-primary-glow);
  }
  50% {
    box-shadow: 0 0 40px var(--accent-primary-glow), 0 0 60px rgba(0, 240, 255, 0.2);
  }
}
.animate-fade-in {
  animation: fadeIn 0.5s var(--ease-out-expo) forwards;
}

.animate-fade-in-up {
  animation: fadeInUp 0.6s var(--ease-out-expo) forwards;
}

.animate-pulse {
  animation: pulse 2s ease-in-out infinite;
}

.animate-glow {
  animation: glow 2s ease-in-out infinite;
}

.stagger-1 {
  animation-delay: 0.1s;
}

.stagger-2 {
  animation-delay: 0.2s;
}

.stagger-3 {
  animation-delay: 0.3s;
}

.stagger-4 {
  animation-delay: 0.4s;
}

.stagger-5 {
  animation-delay: 0.5s;
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-depth);
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.3);
}

::selection {
  background: var(--accent-primary-glow);
  color: var(--text-primary);
}

.home-landing {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: var(--space-5);
}

.home-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-2) 0;
  min-height: 72px;
}
.home-nav__section {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 24px);
}
.home-nav__link {
  color: var(--text-secondary);
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0;
  border: 0;
  background: transparent;
  transition: color var(--duration-fast) var(--ease-out-expo), opacity var(--duration-fast) var(--ease-out-expo);
}
.home-nav__link:hover {
  color: var(--text-primary);
}
.home-nav__link--active {
  color: var(--text-primary);
}

.home-theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--text-secondary);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.82rem;
  pointer-events: none;
}
.home-theme-toggle__track {
  width: 44px;
  height: 24px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 2px;
}
.home-theme-toggle__thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.22);
  transform: translateX(20px);
}

.home-auth {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.home-user-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: 8px 12px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
  backdrop-filter: blur(16px);
  transition: background var(--duration-fast) var(--ease-out-expo), border-color var(--duration-fast) var(--ease-out-expo), transform var(--duration-fast) var(--ease-out-expo);
}
.home-user-chip:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
}
.home-user-chip__avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.12);
  color: var(--text-primary);
  font-weight: 700;
}
.home-user-chip__name {
  font-size: 0.95rem;
  white-space: nowrap;
}

.home-stage {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(20px, 4vw, 48px) 0 0;
}
.home-stage__content {
  width: min(1120px, 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  text-align: center;
}
.home-stage__eyebrow {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.88rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}
.home-stage__title {
  max-width: 1080px;
  font-size: clamp(2rem, 4.6vw, 4.5rem);
  line-height: 1.06;
  font-weight: 700;
  text-wrap: balance;
}
.home-stage__subtitle {
  max-width: 760px;
  color: var(--text-secondary);
  font-size: clamp(0.98rem, 1.4vw, 1.15rem);
}
.home-stage__footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-5);
  color: var(--text-tertiary);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.home-sphere-slot {
  width: min(78vw, 760px);
  height: min(70vh, 760px);
  min-width: 320px;
  min-height: 320px;
  position: relative;
}

.home-sphere {
  width: 100%;
  height: 100%;
  position: relative;
}

.home-sphere__canvas {
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
}

@media (max-width: 840px) {
  .home-landing {
    padding: var(--space-4);
  }
  .home-nav {
    flex-direction: column;
    align-items: stretch;
  }
  .home-nav__section {
    justify-content: space-between;
    flex-wrap: wrap;
  }
  .home-auth {
    margin-left: auto;
  }
  .home-stage__footer {
    flex-direction: column;
    gap: var(--space-2);
  }
}
@media (max-width: 560px) {
  .home-nav__section--right {
    gap: var(--space-3);
  }
  .home-auth {
    gap: var(--space-3);
  }
  .home-user-chip__name {
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .home-sphere-slot {
    width: min(90vw, 480px);
    height: min(56vh, 480px);
  }
}
.metaland-stage {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(20px, 4vw, 48px) 0 0;
}
.metaland-stage__content {
  width: min(1120px, 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
  text-align: center;
}
.metaland-stage__emoji {
  font-size: clamp(4rem, 12vw, 8rem);
  margin-bottom: var(--space-4);
  animation: float 3s ease-in-out infinite;
}
.metaland-stage__title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-3);
  text-align: center;
}
.metaland-stage__subtitle {
  max-width: 640px;
  color: var(--text-secondary);
  font-size: clamp(0.98rem, 1.4vw, 1.15rem);
  line-height: 1.7;
  margin-bottom: var(--space-6);
}
.metaland-stage__button {
  padding: var(--space-4) var(--space-8);
  font-size: clamp(1rem, 1.2vw, 1.1rem);
  font-weight: 600;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border: none;
  border-radius: var(--radius-lg);
  color: var(--color-bg-primary);
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}
.metaland-stage__button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(0, 240, 255, 0.3);
}
.metaland-stage__button:active {
  transform: translateY(0);
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}