:root {
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color-scheme: light;
  --font-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  --transition-base: 0.18s ease;
  --transition-fast: 0.1s ease;
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-round: 999px;
  --shadow-sm: 0 14px 28px -24px rgba(18, 26, 38, 0.32);
  --shadow-md: 0 26px 52px -26px rgba(18, 26, 38, 0.38);
  --shadow-pop: 0 34px 68px -28px rgba(8, 15, 26, 0.5);
  --preview-padding: 18px;
}

:root[data-theme="light"] {
  color-scheme: light;
  --color-bg: #f7f5f2;
  --color-surface: rgba(255, 255, 255, 0.85);
  --color-surface-solid: #ffffff;
  --color-surface-alt: #f1f3f6;
  --color-elevated: #ffffff;
  --color-border: rgba(28, 37, 51, 0.08);
  --color-border-strong: rgba(28, 37, 51, 0.16);
  --color-text: #27313f;
  --color-text-muted: rgba(39, 49, 63, 0.68);
  --color-text-subtle: rgba(39, 49, 63, 0.44);
  --color-primary: #5778a3;
  --color-primary-soft: rgba(87, 120, 163, 0.12);
  --color-primary-strong: #3c5b80;
  --color-on-primary: #ffffff;
  --color-accent-secondary: #5f8d7a;
  --color-accent-tertiary: #7c6f99;
  --color-inset: rgba(87, 120, 163, 0.08);
  --color-success: #4f8a6c;
  --color-danger: #b45757;
  --color-hero-gradient: linear-gradient(
    135deg,
    rgba(124, 111, 153, 0.12),
    rgba(95, 141, 122, 0.12)
  );
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --color-bg: #171c23;
  --color-surface: rgba(31, 38, 48, 0.82);
  --color-surface-solid: #1f2630;
  --color-surface-alt: #242d39;
  --color-elevated: #242d39;
  --color-border: rgba(245, 243, 240, 0.08);
  --color-border-strong: rgba(245, 243, 240, 0.16);
  --color-text: #f5f3f0;
  --color-text-muted: rgba(245, 243, 240, 0.72);
  --color-text-subtle: rgba(245, 243, 240, 0.5);
  --color-primary: #8ea7c8;
  --color-primary-soft: rgba(142, 167, 200, 0.22);
  --color-primary-strong: #b8c7df;
  --color-on-primary: #111823;
  --color-accent-secondary: #8db7a8;
  --color-accent-tertiary: #a79bc7;
  --color-inset: rgba(142, 167, 200, 0.16);
  --color-success: #7fb59d;
  --color-danger: #d07c7c;
  --color-hero-gradient: linear-gradient(
    135deg,
    rgba(167, 155, 199, 0.18),
    rgba(141, 183, 168, 0.18)
  );
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  transition: background 0.24s ease, color 0.18s ease;
}

body.lightbox-open {
  overflow: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 650;
  margin: 0;
  color: var(--color-text);
}

p {
  margin: 0;
  color: var(--color-text-muted);
}

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

a:hover,
a:focus-visible {
  text-decoration: underline;
  text-decoration-color: var(--color-primary);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

img {
  max-width: 100%;
  display: block;
}

button,
input,
textarea,
select {
  font-family: inherit;
}

button {
  border: none;
  background: none;
}

button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 18px 52px;
  display: grid;
  gap: 24px;
}

.top-bar {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
  backdrop-filter: blur(14px);
}

.top-bar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 8px 18px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 12px;
}

.top-bar-main-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.top-brand {
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text);
  font-weight: 700;
  font-size: 2rem;
  letter-spacing: 0.1rem;
  transition: color var(--transition-base);
}

.brand-mark:hover,
.brand-mark:focus-visible {
  color: var(--color-primary);
}

.brand-icon {
  width: 100px;
  color: var(--color-primary);
}

.brand-name {
  display: inline-block;
}

.feature-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 8px;
  font-size: 0.7rem;
  font-weight: 650;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background: var(--color-primary-soft);
  color: var(--color-primary-strong);
  border-radius: var(--radius-round);
}

.feature-nav {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
  padding: 2px;
  border-radius: var(--radius-round);
  background: var(--color-inset);
}

.feature-nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 14px;
  border-radius: var(--radius-round);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  transition: background var(--transition-base), color var(--transition-base);
}

.feature-nav-link:hover {
  color: var(--color-text);
}

.feature-nav-link.active {
  background: var(--color-elevated);
  color: var(--color-primary-strong);
  box-shadow: inset 0 0 0 1px var(--color-border);
}

.feature-nav-link.upcoming {
  color: var(--color-text-subtle);
}

.feature-nav-link.upcoming:hover {
  color: var(--color-text-muted);
}

.feature-nav-link.active.upcoming {
  color: var(--color-primary-strong);
}

.feature-nav-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1px 6px;
  border-radius: var(--radius-round);
  background: var(--color-primary-soft);
  color: var(--color-primary-strong);
  font-size: 0.62rem;
  font-weight: 650;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.top-controls {
  display: flex;
  align-items: center;
  gap: 12px;
}

.theme-toggle {
  position: relative;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-round);
  border: 1px solid var(--color-border);
  background: var(--color-elevated);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
  transition: transform var(--transition-base), border var(--transition-base),
    background var(--transition-base);
}

.theme-toggle:hover {
  transform: translateY(-1px);
  border-color: var(--color-primary);
}

.theme-toggle[aria-pressed="true"] .theme-icon-sun {
  opacity: 0.2;
}

.theme-toggle[aria-pressed="true"] .theme-icon-moon {
  opacity: 1;
}

.theme-icon {
  position: absolute;
  width: 18px;
  height: 18px;
  fill: currentColor;
  opacity: 0.9;
  transition: opacity var(--transition-fast);
}

.theme-icon-moon {
  opacity: 0;
}

.user-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.user-name {
  font-weight: 600;
  color: var(--color-text);
}

.user-credits-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: var(--radius-round);
  background: var(--color-primary-soft);
  color: var(--color-primary-strong);
  font-size: 0.72rem;
  font-weight: 650;
}

.google-signin {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.user-menu {
  position: relative;
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-round);
  border: 1px solid var(--color-border);
  background: var(--color-elevated);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  cursor: pointer;
  overflow: hidden;
  transition: transform var(--transition-base), border var(--transition-base),
    box-shadow var(--transition-base);
}

.user-avatar:hover,
.user-avatar:focus-visible {
  transform: translateY(-1px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.user-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.user-avatar-initials {
  font-weight: 650;
  color: var(--color-primary);
}

.user-menu-dropdown {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  min-width: 210px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-elevated);
  padding: 14px;
  box-shadow: var(--shadow-pop);
  display: grid;
  gap: 12px;
  z-index: 120;
}

.user-menu-dropdown[hidden] {
  display: none;
}

.user-menu-summary {
  display: grid;
  gap: 4px;
}

.user-menu-name {
  font-weight: 600;
  color: var(--color-text);
}

.user-menu-email {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  word-break: break-word;
}

.user-menu-link {
  border: none;
  background: none;
  padding: 0;
  text-align: left;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  cursor: pointer;
  text-decoration: none;
}

.user-menu-link:hover,
.user-menu-link:focus-visible {
  color: var(--color-primary-strong);
}

.user-menu-divider {
  height: 1px;
  background: var(--color-border);
}

.user-menu-login {
  display: grid;
  gap: 12px;
}

.user-menu-login-text {
  margin: 0;
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.hero {
  display: grid;
  gap: 12px;
  padding: 20px;
  border-radius: var(--radius-lg);
  background: var(--color-hero-gradient);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.hero-text {
  display: grid;
  gap: 8px;
  max-width: 560px;
}

.hero h1 {
  font-size: clamp(1.6rem, 3.2vw, 2.1rem);
  letter-spacing: -0.01em;
}

.hero p {
  font-size: 0.95rem;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-round);
  background: var(--color-elevated);
  border: 1px solid var(--color-border);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.workspace {
  display: grid;
  grid-template-columns: minmax(300px, 1fr) minmax(0, 1fr);
  gap: 16px;
}

.panel-card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-elevated);
  box-shadow: var(--shadow-sm);
  padding: 18px;
  display: grid;
  gap: 18px;
}

.references-panel,
.preview-panel {
  display: grid;
  gap: 18px;
}

.panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.panel-title h2 {
  font-size: 1.25rem;
  letter-spacing: -0.01em;
}

.panel-hint {
  font-size: 0.82rem;
  color: var(--color-text-subtle);
}

#reference-drop {
  position: relative;
  border: 1.5px dashed var(--color-border-strong);
  border-radius: var(--radius-md);
  min-height: 200px;
  background: var(--color-inset);
  display: grid;
  place-items: center;
  padding: 14px;
  color: var(--color-text-muted);
  transition: border var(--transition-base), background var(--transition-base);
}

#reference-drop:hover {
  border-color: var(--color-primary);
}

#reference-drop.dragover {
  border-color: var(--color-primary-strong);
  background: var(--color-primary-soft);
  color: var(--color-primary-strong);
}

.reference-drop-guidance {
  display: grid;
  gap: 6px;
  justify-items: center;
  text-align: center;
}

.reference-drop-guidance strong {
  font-size: 0.92rem;
  color: var(--color-text);
}

.reference-list {
  display: grid;
  gap: 10px;
  width: 100%;
}

.example-controls {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 10px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.example-button {
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-primary);
  background: rgba(87, 120, 163, 0.12);
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.82rem;
  cursor: pointer;
  transition: background var(--transition-base), color var(--transition-base),
    border var(--transition-base), transform var(--transition-fast);
}

.example-button:hover,
.example-button[aria-pressed="true"] {
  background: var(--color-primary);
  color: var(--color-on-primary);
  border-color: var(--color-primary);
  transform: translateY(-1px);
}

.example-button.example-button-clear {
  border-color: var(--color-border-strong);
  background: transparent;
  color: var(--color-text-subtle);
}

.example-button.example-button-clear:hover {
  border-color: var(--color-border-strong);
  background: var(--color-surface-alt);
  color: var(--color-text);
}

.example-button:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.example-button:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

.example-notice {
  margin: 0;
  font-size: 0.78rem;
  color: var(--color-text-subtle);
  flex: 1 1 auto;
  text-align: right;
  min-width: 160px;
}

.example-controls .example-notice {
  flex: 1 1 280px;
}

@media (max-width: 640px) {
  .example-notice {
    text-align: left;
  }
}

.reference-drop.example-active {
  pointer-events: none;
  border-style: dashed;
}

.reference-list.example-active .reference-card {
  cursor: default;
  pointer-events: none;
}

.reference-list.example-active .reference-card .reference-thumb,
.reference-list.example-active .reference-card .reference-thumb * {
  pointer-events: auto;
  cursor: zoom-in;
}

.reference-card {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 8px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface-solid);
  box-shadow: 0 10px 26px -26px rgba(12, 18, 28, 0.55);
  transition: border var(--transition-base), box-shadow var(--transition-base);
}

.reference-card.selected {
  border-color: var(--color-primary);
  box-shadow: 0 10px 32px -14px rgba(87, 120, 163, 0.4);
}

.reference-card.example {
  border-style: dashed;
  border-color: var(--color-primary);
  background: rgba(87, 120, 163, 0.08);
}

.reference-card.example .reference-thumb {
  box-shadow: 0 0 0 1px rgba(87, 120, 163, 0.25);
}

.reference-thumb {
  width: 64px;
  height: 54px;
  border-radius: var(--radius-xs);
  background: var(--color-inset);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.reference-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  cursor: zoom-in;
}

.reference-details {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
}

.reference-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
}

.reference-remove {
  width: 22px;
  height: 22px;
  border-radius: var(--radius-round);
  background: rgba(180, 87, 87, 0.12);
  color: var(--color-danger);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  cursor: pointer;
  transition: background var(--transition-base), color var(--transition-base);
}

.reference-remove:hover {
  background: rgba(180, 87, 87, 0.22);
}

.reference-remove:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.prompt-field {
  display: grid;
  gap: 4px;
}

.prompt-field label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-text-subtle);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.prompt-field textarea {
  min-height: 86px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface-alt);
  color: var(--color-text);
  resize: vertical;
  font-size: 0.9rem;
  transition: border var(--transition-base), background var(--transition-base);
}

.prompt-field textarea:focus-visible {
  border-color: var(--color-primary);
  background: var(--color-surface-solid);
}

.prompt-field textarea.at-limit {
  border-color: var(--color-danger);
}

.prompt-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.74rem;
  color: var(--color-text-subtle);
}

.prompt-counter.limit {
  color: var(--color-danger);
}

.preview-panel {
  grid-template-rows: auto 1fr;
}

.preview-stage {
  position: relative;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: radial-gradient(
      circle at top,
      rgba(124, 111, 153, 0.25),
      transparent 60%
    ),
    linear-gradient(135deg, rgba(87, 120, 163, 0.08), rgba(95, 141, 122, 0.08));
  height: clamp(240px, 34vw, 360px);
  min-height: 220px;
  max-height: 420px;
  width: 100%;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.preview-stage::before {
  content: "";
  position: absolute;
  inset: var(--preview-padding);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  pointer-events: none;
  z-index: 0;
}

.preview-canvas {
  position: relative;
  z-index: 1;
  width: max(0px, calc(100% - (var(--preview-padding) * 2)));
  height: max(0px, calc(100% - (var(--preview-padding) * 2)));
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.preview-stage img {
  display: none;
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: var(--radius-sm);
  box-shadow: 0 18px 44px -26px rgba(8, 12, 22, 0.6);
  position: relative;
  z-index: 2;
}

.preview-stage img.is-visible {
  display: block;
  cursor: zoom-in;
}

.preview-stage img[hidden],
.preview-stage img:not([src]) {
  display: none !important;
}

.placeholder-panel {
  align-items: flex-start;
}

.placeholder-panel h2 {
  font-size: 1.2rem;
}

.placeholder-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.placeholder-list-item {
  display: grid;
  gap: 4px;
  padding: 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface-solid);
  color: var(--color-text-muted);
}

.placeholder-list-item strong {
  color: var(--color-text);
  font-size: 0.92rem;
}

.placeholder-note {
  font-size: 0.88rem;
  color: var(--color-text-muted);
}

.preview-placeholder {
  position: absolute;
  inset: var(--preview-padding);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  z-index: 3;
  padding: 0 calc(var(--preview-padding) * 0.75);
  color: var(--color-text-muted);
  font-size: 0.88rem;
}

.preview-placeholder.is-processing {
  background: rgba(10, 17, 24, 0.55);
  backdrop-filter: blur(3px);
  color: inherit;
}

.preview-loader {
  display: flex;
  align-items: center;
  justify-content: center;
}

.preview-loader-overlay {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 200px;
  height: 200px;
  border-radius: var(--radius-lg);
  background: rgba(12, 18, 28, 0.65);
  box-shadow: 0 36px 80px -40px rgba(12, 18, 28, 0.85);
}

.preview-loader-icon {
  display: block;
  width: 120px;
  height: 120px;
  color: rgba(255, 255, 255, 0.95);
  animation: preview-loader-pulse 2.5s ease-in-out infinite;
  transform-origin: center;
}

.preview-loader-icon path {
  fill: none;
  stroke: currentColor;
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 100;
  stroke-dashoffset: 0;
  animation: preview-loader-stroke 2.5s ease-in-out infinite;
}

.preview-placeholder.is-processing .preview-loader-icon {
  filter: drop-shadow(0 18px 32px rgba(0, 0, 0, 0.25));
}

@keyframes preview-loader-pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(0.92);
  }
  50% {
    opacity: 0.5;
    transform: scale(1.12);
  }
}

@keyframes preview-loader-stroke {
  0% {
    stroke-dashoffset: 100;
  }
  50% {
    stroke-dashoffset: 0;
  }
  100% {
    stroke-dashoffset: -100;
  }
}

.preview-actions {
  display: flex;
  align-items: stretch;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: space-between;
}

.preview-size-group {
  border: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px;
  flex: 0 1 240px;
}

.preview-size-group legend {
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-subtle);
}

.preview-size-options {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.size-option {
  display: block;
}

.size-option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.size-option-content {
  display: grid;
  gap: 6px;
  justify-items: center;
  padding: 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface-solid);
  cursor: pointer;
  transition: border var(--transition-base), background var(--transition-base),
    color var(--transition-base), box-shadow var(--transition-base);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.size-option input:checked + .size-option-content {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
  color: var(--color-primary-strong);
  box-shadow: 0 16px 32px -26px rgba(87, 120, 163, 0.6);
}

.size-icon {
  width: 20px;
  height: 20px;
  border-radius: var(--radius-xs);
  border: 2px solid currentColor;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.size-icon::before {
  content: "";
  display: block;
  border-radius: inherit;
  background: currentColor;
}

.size-icon-square::before {
  width: 12px;
  height: 12px;
}

.size-icon-landscape::before {
  width: 16px;
  height: 8px;
}

.size-icon-portrait::before {
  width: 8px;
  height: 16px;
}

.preview-buttons {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.primary,
.secondary-button,
.ghost-button {
  border-radius: var(--radius-round);
  font-weight: 600;
  cursor: pointer;
  transition: transform var(--transition-base),
    box-shadow var(--transition-base), background var(--transition-base),
    color var(--transition-base), border var(--transition-base);
}

.primary {
  padding: 8px 18px;
  border: 1px solid var(--color-primary);
  background: var(--color-primary);
  color: #ffffff;
  box-shadow: 0 12px 28px -18px rgba(87, 120, 163, 0.6);
}

.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 34px -20px rgba(87, 120, 163, 0.6);
}

.primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.ghost-button {
  padding: 8px 18px;
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text);
}

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

.ghost-button[aria-disabled="true"] {
  pointer-events: none;
  opacity: 0.5;
}

.image-lightbox {
  position: fixed;
  inset: 0;
  z-index: 400;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(16px, 4vw, 32px);
  overflow: auto;
}

.image-lightbox-backdrop {
  position: absolute;
  inset: 0;
  border: none;
  background: rgba(4, 7, 12, 0.88);
  cursor: pointer;
  z-index: 0;
}

.image-lightbox-content {
  position: relative;
  z-index: 1;
  width: min(1100px, calc(100vw - 24px));
  max-height: calc(100vh - clamp(48px, 10vh, 120px));
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 18px;
  border-radius: var(--radius-lg);
  background: rgba(12, 15, 22, 0.95);
  box-shadow: var(--shadow-pop);
}

.image-lightbox-body {
  flex: 1;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  touch-action: none;
  cursor: zoom-in;
}

.image-lightbox-body img {
  max-width: 100%;
  max-height: calc(100vh - clamp(160px, 22vh, 260px));
  width: auto;
  height: auto;
  object-fit: contain;
  transition: transform var(--transition-base);
  cursor: zoom-in;
  will-change: transform;
  transform-origin: center center;
}

.image-lightbox-body.is-zoomed {
  cursor: grab;
}

.image-lightbox-body.is-zoomed img {
  cursor: inherit;
}

.image-lightbox-body.is-zoomed.is-dragging {
  cursor: grabbing;
}

.image-lightbox-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.image-lightbox-actions .ghost-button {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.4);
}

.image-lightbox-actions .ghost-button:hover {
  border-color: #ffffff;
  color: #ffffff;
}

.image-lightbox .ghost-button[aria-disabled="true"] {
  opacity: 0.4;
}

.image-lightbox-close {
  padding: 8px 14px;
  border-radius: var(--radius-round);
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  font-size: 1.25rem;
  cursor: pointer;
  border: 1px solid transparent;
  line-height: 1;
}

.image-lightbox-close:hover {
  background: rgba(255, 255, 255, 0.2);
}

.image-lightbox[hidden] {
  display: none !important;
}

.image-lightbox:not([hidden]) .image-lightbox-content {
  animation: lightbox-pop 0.22s ease;
}

@keyframes lightbox-pop {
  from {
    transform: translateY(8px) scale(0.98);
    opacity: 0;
  }
  to {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
}

.image-lightbox:focus-within .image-lightbox-content {
  outline: 2px solid rgba(255, 255, 255, 0.3);
  outline-offset: 4px;
}

.image-lightbox-backdrop:focus {
  outline: none;
}

.image-lightbox-actions .image-lightbox-close {
  margin-left: auto;
}

.secondary-button {
  padding: 8px 18px;
  border: 1px solid var(--color-border);
  background: var(--color-surface-alt);
  color: var(--color-text);
}

.feedback {
  margin: 0;
  font-size: 0.85rem;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  background: transparent;
  color: var(--color-text);
}

.feedback[hidden],
.feedback.error[hidden],
.feedback.success[hidden] {
  display: none;
}

.feedback.error {
  background: rgba(180, 87, 87, 0.14);
  border-color: rgba(180, 87, 87, 0.32);
  color: var(--color-danger);
}

.feedback.success {
  background: rgba(79, 138, 108, 0.14);
  border-color: rgba(79, 138, 108, 0.32);
  color: var(--color-success);
}

.profile-page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 18px 56px;
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 20px;
}

.profile-sidebar {
  position: sticky;
  top: 108px;
  align-self: start;
}

.profile-nav {
  display: grid;
  gap: 8px;
}

.profile-nav-item {
  padding: 10px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-elevated);
  color: var(--color-text-muted);
  font-size: 0.88rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: border var(--transition-base), color var(--transition-base),
    background var(--transition-base), transform var(--transition-base);
}

.profile-nav-item:hover,
.profile-nav-item:focus-visible {
  border-color: var(--color-primary);
  color: var(--color-primary-strong);
}

.profile-nav-item.active {
  background: var(--color-primary-soft);
  border-color: var(--color-primary);
  color: var(--color-primary-strong);
  transform: translateY(-1px);
}

.profile-content {
  display: grid;
  gap: 20px;
}

.profile-section {
  display: grid;
  gap: 20px;
}

.profile-section[hidden] {
  display: none !important;
}

.profile-card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-elevated);
  box-shadow: var(--shadow-sm);
  padding: 22px;
  display: grid;
  gap: 20px;
}

.profile-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.profile-card-title h2 {
  font-size: 1.2rem;
}

.profile-muted {
  color: var(--color-text-muted);
}


.profile-summary {
  display: flex;
  align-items: center;
  gap: 16px;
}

.profile-summary-avatar {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  border: 2px solid var(--color-primary-soft);
  background: var(--color-inset);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-weight: 650;
  font-size: 1.3rem;
  overflow: hidden;
}

.profile-summary-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.profile-details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
}

.profile-detail {
  display: grid;
  gap: 6px;
}

.profile-detail dt {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-subtle);
}

.profile-detail dd {
  margin: 0;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--color-text);
}

.profile-card-metric {
  display: grid;
  gap: 2px;
  text-align: right;
}

.profile-metric-label {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-subtle);
}

.profile-metric-value {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-text);
}

.profile-table-wrapper {
  width: 100%;
  overflow-x: auto;
}

.profile-table {
  width: 100%;
  min-width: 540px;
  border-collapse: collapse;
}

.profile-table th,
.profile-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
}

.profile-table th {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-subtle);
}

.profile-table tbody tr:hover {
  background: var(--color-inset);
}

.table-cell-credits {
  color: var(--color-primary-strong);
  font-weight: 650;
}

.table-cell-date {
  white-space: nowrap;
}

.table-cell-amount {
  white-space: nowrap;
  text-align: right;
  font-variant-numeric: tabular-nums;
  color: var(--color-text);
}

.billing-packages {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.billing-package-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.billing-package-info {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.billing-package-info h3 {
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.billing-package-info p {
  margin: 0;
  color: var(--color-text-muted);
}

.billing-provider-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.billing-provider-option {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 14px;
  background: var(--color-surface-alt);
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border var(--transition-base), box-shadow var(--transition-base);
  box-shadow: inset 0 0 0 1px transparent;
}

.billing-provider-option:hover:not(.billing-provider-option--disabled) {
  box-shadow: inset 0 0 0 1px var(--color-primary-soft);
}

.billing-package-price {
  font-weight: 650;
  font-size: 1rem;
  color: var(--color-text);
  white-space: nowrap;
}

.billing-provider-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.billing-provider-button {
  padding: 8px 14px;
  border-radius: var(--radius-round);
  background: var(--color-primary);
  color: var(--color-on-primary);
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: opacity var(--transition-base), transform var(--transition-fast);
}

.billing-provider-button:hover:not(:disabled) {
  opacity: 0.92;
  transform: translateY(-1px);
}

.billing-provider-button:disabled {
  cursor: not-allowed;
  background: var(--color-border);
  color: var(--color-text-muted);
}

.billing-provider-button-text {
  font-weight: 600;
}

.billing-region-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 16px;
  color: var(--color-on-primary);
}

.billing-region-badge svg {
  width: 100%;
  height: 100%;
}

.billing-provider-hint {
  font-size: 0.78rem;
  color: var(--color-text-subtle);
}

.billing-provider-option--disabled {
  opacity: 0.7;
}

.profile-updates {
  display: grid;
  gap: 14px;
}

.profile-update {
  display: grid;
  gap: 6px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-inset);
}

.profile-update h3 {
  margin: 0;
  font-size: 1rem;
  color: var(--color-text);
}

.profile-update p {
  margin: 0;
  color: var(--color-text-muted);
}

.usage-chart {
  display: grid;
  gap: 12px;
}

.usage-chart-item {
  display: grid;
  gap: 6px;
}

.usage-chart-label {
  font-weight: 600;
  color: var(--color-text);
}

.usage-chart-bar {
  height: 16px;
  border-radius: var(--radius-round);
  background: var(--color-inset);
  overflow: hidden;
}

.usage-chart-bar-fill {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(
    90deg,
    rgba(87, 120, 163, 0.8),
    rgba(95, 141, 122, 0.95)
  );
  display: flex;
  align-items: center;
  justify-content: flex-end;
  color: #fff;
  font-size: 0.72rem;
  padding-right: 10px;
  font-weight: 600;
  transition: width 0.3s ease;
}

.usage-chart-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.empty-state {
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-sm);
  padding: 12px;
  text-align: center;
  color: var(--color-text-muted);
  background: var(--color-inset);
  font-size: 0.82rem;
}

.footer-note {
  font-size: 0.8rem;
  color: var(--color-text-subtle);
  text-align: center;
  padding-bottom: 28px;
}

@media (max-width: 1200px) {
  .page,
  .profile-page {
    padding-left: 20px;
    padding-right: 20px;
  }
}

@media (max-width: 1024px) {
  .top-bar-inner {
    justify-items: stretch;
    gap: 12px;
  }

  .feature-nav {
    justify-content: flex-start;
    overflow-x: auto;
    padding: 2px 4px;
  }

  .feature-nav-link {
    flex: 1 0 auto;
  }

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

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

  .preview-stage {
    height: clamp(210px, 52vw, 300px);
    max-height: 340px;
  }

  :root {
    --preview-padding: 14px;
  }

  .profile-page {
    grid-template-columns: 1fr;
  }

  .profile-sidebar {
    position: static;
  }

  .profile-nav {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding-bottom: 6px;
  }

  .profile-nav-item {
    flex: 1 0 auto;
    white-space: nowrap;
  }
}

@media (max-width: 768px) {
  .page,
  .profile-page {
    padding-left: 18px;
    padding-right: 18px;
  }

  .hero {
    padding: 18px;
  }

  .preview-stage {
    height: clamp(200px, 60vw, 280px);
    max-height: 300px;
  }

  :root {
    --preview-padding: 12px;
  }

  .preview-actions {
    justify-content: flex-start;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  .preview-buttons {
    width: 100%;
    justify-content: stretch;
  }

  .preview-buttons .primary,
  .preview-buttons .ghost-button {
    width: 100%;
    text-align: center;
  }

}

@media (max-width: 640px) {
  .top-bar-inner {
    gap: 8px;
  }

  .top-bar-main-wrapper {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    flex-wrap: nowrap;
    gap: 10px;
  }

  .top-brand {
    flex: 1 1 auto;
    min-width: 0;
    gap: 6px;
  }

  .brand-mark {
    font-size: 1.5rem;
    letter-spacing: 0.06rem;
    gap: 6px;
  }

  .brand-name {
    white-space: nowrap;
  }

  .brand-icon {
    width: 72px;
  }

  .feature-badge {
    display: none;
  }

  .top-controls {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    gap: 10px;
  }

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

  .user-status {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.82rem;
  }

  .user-name {
    display: none;
  }

  .user-credits-badge {
    font-size: 0.7rem;
    padding: 2px 6px;
    white-space: nowrap;
  }

  .user-menu {
    justify-self: flex-end;
  }

  .theme-toggle {
    width: 32px;
    height: 32px;
  }
}

@media (max-width: 520px) {
  .top-bar-inner {
    padding-left: 16px;
    padding-right: 16px;
  }

  .hero {
    padding: 16px 14px;
  }

  .hero h1 {
    font-size: clamp(1.45rem, 6.5vw, 1.9rem);
  }

  .hero-meta {
    gap: 6px;
  }

  .hero-pill {
    padding: 4px 10px;
    font-size: 0.72rem;
  }

  .panel-card {
    padding: 16px;
  }

  .preview-stage {
    height: clamp(180px, 68vw, 240px);
    max-height: 240px;
  }

  :root {
    --preview-padding: 10px;
  }

  .reference-card {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .reference-thumb {
    width: 100%;
    height: auto;
    aspect-ratio: 4 / 3;
    max-height: 160px;
  }

  .preview-size-options {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }

  .feature-nav-link {
    padding: 4px 10px;
  }

  .top-controls {
    gap: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Themed logo styles */
[data-theme="light"] .themed-logo {
  content: url("assets/meriland-mark.svg");
}

[data-theme="dark"] .themed-logo {
  content: url("assets/meriland-mark_white.svg");
}