/*
  Customize the builder app shell layout and theme here.
  Add new navigation destinations by matching the selectors in js/ui.js.
*/
:root {
  color-scheme: dark;
  font-family: "Poppins", "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --color-background: #0b0f14;
  --color-surface: rgba(24, 30, 38, 0.92);
  --color-surface-soft: rgba(32, 38, 48, 0.88);
  --color-panel: rgba(18, 22, 28, 0.84);
  --color-panel-strong: rgba(28, 34, 45, 0.92);
  --color-border: rgba(106, 165, 255, 0.28);
  --color-border-soft: rgba(255, 255, 255, 0.08);
  --color-text: #e6e9ef;
  --color-text-dim: rgba(230, 233, 239, 0.7);
  --color-primary: #6aa5ff;
  --color-accent: #5efce8;
  --color-magenta: #ff6a88;
  --color-warning: #f6c177;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-lg: 0 18px 45px rgba(0, 0, 0, 0.45);
  --shadow-md: 0 10px 24px rgba(0, 0, 0, 0.35);
  --shadow-sm: 0 6px 18px rgba(0, 0, 0, 0.3);
  --transition-fast: 0.18s ease;
  --transition-medium: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at top, rgba(106, 165, 255, 0.08), transparent 45%) var(--color-background);
  color: var(--color-text);
}

a {
  color: inherit;
}

.app-shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: linear-gradient(160deg, rgba(18, 22, 30, 0.92) 0%, rgba(12, 16, 22, 0.98) 100%);
}

.app-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 2.25rem;
  border-bottom: 1px solid var(--color-border-soft);
  background: rgba(11, 15, 20, 0.92);
  backdrop-filter: blur(14px);
  position: sticky;
  top: 0;
  z-index: 60;
}

.app-topbar__left {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.app-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--color-primary);
}

.app-brand__icon {
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 20%, rgba(94, 252, 232, 0.7), rgba(106, 165, 255, 0.5));
  display: grid;
  place-items: center;
  font-size: 1.4rem;
  box-shadow: var(--shadow-sm);
}

.project-name-field {
  display: grid;
  gap: 0.3rem;
}

.project-name-field__label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-dim);
}

.project-name-field__input {
  background: var(--color-panel);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-md);
  padding: 0.55rem 0.85rem;
  color: var(--color-text);
  font-size: 1rem;
  font-weight: 500;
  min-width: 220px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.project-name-field__input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(106, 165, 255, 0.2);
}

.app-topbar__actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-soft);
  background: linear-gradient(140deg, rgba(20, 25, 33, 0.96), rgba(29, 36, 45, 0.88));
  color: var(--color-text);
  cursor: pointer;
  font-weight: 600;
  font-size: 0.93rem;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast), filter var(--transition-fast);
}

.btn__icon {
  display: grid;
  place-items: center;
  font-size: 1rem;
}

.btn:hover {
  transform: translateY(-1px);
  border-color: rgba(106, 165, 255, 0.5);
  box-shadow: var(--shadow-md);
  filter: brightness(1.05);
}

.btn:active {
  transform: translateY(0);
  filter: brightness(0.98);
}

.btn.ghost {
  background: rgba(20, 24, 32, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.btn.primary {
  background: linear-gradient(135deg, var(--color-primary), rgba(140, 180, 255, 0.9));
  border-color: transparent;
  color: #0b0f14;
  box-shadow: 0 14px 30px rgba(106, 165, 255, 0.32);
}

.btn.accent {
  background: linear-gradient(135deg, var(--color-magenta), rgba(255, 106, 136, 0.85));
  border-color: transparent;
  color: #0b0f14;
  box-shadow: 0 14px 30px rgba(255, 106, 136, 0.28);
}

.app-shell__body {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  flex: 1;
  min-height: 0;
}

.app-rail {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  background: rgba(12, 16, 22, 0.84);
  border-right: 1px solid var(--color-border-soft);
  padding: 1.2rem 0.65rem;
}

.app-rail__item {
  width: 100%;
  display: grid;
  justify-items: center;
  gap: 0.4rem;
  padding: 0.75rem 0.4rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  background: transparent;
  color: var(--color-text-dim);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.app-rail__icon {
  font-size: 1.2rem;
}

.app-rail__item:hover,
.app-rail__item:focus-visible {
  outline: none;
  color: var(--color-text);
  border-color: rgba(106, 165, 255, 0.35);
  background: rgba(106, 165, 255, 0.08);
}

.app-rail__item.is-active {
  color: var(--color-primary);
  background: rgba(106, 165, 255, 0.16);
  border-color: rgba(106, 165, 255, 0.45);
  box-shadow: var(--shadow-sm);
}

.app-shell__layout {
  display: grid;
  grid-template-columns: minmax(300px, 360px) minmax(0, 1fr) minmax(320px, 380px);
  min-height: 0;
  background: radial-gradient(circle at top left, rgba(106, 165, 255, 0.08), transparent 45%);
}

.app-shell__panel,
.app-shell__canvas,
.app-shell__inspector {
  min-height: 0;
  height: calc(100vh - 160px);
  overflow: hidden;
  position: relative;
}

.app-shell__panel {
  border-right: 1px solid var(--color-border-soft);
  background: linear-gradient(160deg, rgba(18, 22, 30, 0.78), rgba(16, 21, 28, 0.92));
  padding: 1.4rem 1.6rem;
  overflow-y: auto;
}

.rail-panel {
  display: none;
  animation: fadeInPanel var(--transition-medium);
}

.rail-panel.is-active {
  display: block;
}

.rail-panel__header h2 {
  margin: 0 0 0.2rem;
  font-size: 1.45rem;
  font-weight: 600;
}

.rail-panel__header p {
  margin: 0 0 1.3rem;
  color: var(--color-text-dim);
  font-size: 0.94rem;
}

.rail-panel__grid {
  display: grid;
  gap: 1rem;
}

.rail-card {
  background: var(--color-panel);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.05);
  padding: 1.2rem;
  box-shadow: var(--shadow-sm);
  display: grid;
  gap: 0.7rem;
}

.rail-card h3 {
  margin: 0;
  font-size: 1.1rem;
}

.rail-card p {
  margin: 0;
  color: var(--color-text-dim);
  line-height: 1.4;
}

.rail-card__hint {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-text-dim);
}

.rail-card--stacked {
  gap: 0.6rem;
}

.rail-card--metrics {
  gap: 0.9rem;
}

.rail-card--faq h3 {
  font-size: 1rem;
}

.rail-metrics-preview {
  display: grid;
  gap: 0.4rem;
  padding: 0.95rem;
  border-radius: var(--radius-md);
  background: rgba(94, 252, 232, 0.08);
  border: 1px solid rgba(94, 252, 232, 0.18);
  font-size: 0.95rem;
}

.rail-metric-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.rail-metric-row strong {
  font-weight: 600;
  color: var(--color-text);
}

.panel.panel--library {
  display: grid;
  gap: 1.4rem;
  background: transparent;
  border: none;
  padding: 0;
}

.panel__group {
  display: grid;
  gap: 0.8rem;
}

.panel__group-title {
  margin: 0;
  font-size: 1.1rem;
}

.panel-search {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.09);
  background: rgba(18, 22, 30, 0.6);
  color: var(--color-text);
  font-size: 0.95rem;
}

.panel-search::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.app-shell__canvas {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.6rem 1.8rem 2rem;
  background: linear-gradient(160deg, rgba(12, 16, 22, 0.9), rgba(18, 24, 32, 0.95));
  border-right: 1px solid var(--color-border-soft);
}

.canvas-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.workspace-tabs {
  display: inline-flex;
  gap: 0.4rem;
  background: rgba(20, 25, 35, 0.8);
  padding: 0.35rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.workspace-tab {
  border: none;
  background: transparent;
  color: var(--color-text-dim);
  font-weight: 600;
  padding: 0.55rem 1rem;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.workspace-tab.is-active {
  background: rgba(106, 165, 255, 0.15);
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
}

.workspace-tab:hover {
  color: var(--color-text);
}

.device-toggle {
  display: inline-flex;
  gap: 0.25rem;
  padding: 0.35rem;
  border-radius: var(--radius-md);
  background: rgba(20, 24, 32, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.device-toggle button {
  border: none;
  background: transparent;
  color: var(--color-text-dim);
  font-weight: 600;
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.device-toggle button.is-active {
  background: rgba(106, 165, 255, 0.16);
  color: var(--color-text);
}

.canvas {
  flex: 1;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(10, 13, 18, 0.85);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  display: grid;
}

#preview-frame {
  width: 100%;
  height: 100%;
  border: none;
  background: #090b10;
}

.app-shell__inspector {
  background: linear-gradient(160deg, rgba(22, 27, 36, 0.92), rgba(16, 21, 28, 0.85));
  padding: 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  overflow-y: auto;
}

.inspector-tabs {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.inspector-tab {
  border: none;
  background: rgba(18, 22, 30, 0.7);
  color: var(--color-text-dim);
  padding: 0.55rem 0.9rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.inspector-tab.is-active {
  background: rgba(106, 165, 255, 0.2);
  color: var(--color-text);
  border-color: rgba(106, 165, 255, 0.3);
}

.inspector-panels {
  display: grid;
  gap: 1.1rem;
}

.inspector-panel {
  display: none;
  animation: fadeInPanel var(--transition-medium);
}

.inspector-panel.is-active {
  display: grid;
  gap: 1.1rem;
}

.inspector-card {
  background: var(--color-panel-strong);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.06);
  padding: 1.2rem;
  box-shadow: var(--shadow-sm);
  display: grid;
  gap: 0.75rem;
}

.inspector-card header h2 {
  margin: 0;
  font-size: 1.15rem;
}

.form-help {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-text-dim);
}

.structure-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.6rem;
}

.structure-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.6rem;
  align-items: center;
  padding: 0.75rem 1rem;
  background: rgba(18, 22, 30, 0.7);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.05);
  font-weight: 500;
}

.structure-item__actions {
  display: inline-flex;
  gap: 0.4rem;
}

.structure-item__actions button {
  border: none;
  background: rgba(12, 16, 22, 0.7);
  color: var(--color-text);
  border-radius: var(--radius-sm);
  padding: 0.35rem 0.55rem;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.structure-item__actions button:hover {
  background: rgba(106, 165, 255, 0.2);
}

.app-bottom-nav {
  display: none;
  position: sticky;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 0.5rem;
  background: rgba(11, 15, 20, 0.94);
  border-top: 1px solid var(--color-border-soft);
  z-index: 50;
  backdrop-filter: blur(12px);
  justify-content: space-between;
}

.app-bottom-nav__item {
  flex: 1;
  border: none;
  background: transparent;
  color: var(--color-text-dim);
  display: grid;
  place-items: center;
  gap: 0.25rem;
  padding: 0.35rem 0;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  cursor: pointer;
}

.app-bottom-nav__item.is-active {
  color: var(--color-primary);
}

.app-bottom-nav__icon {
  font-size: 1.1rem;
}

.app-statusbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.65rem 1.8rem;
  border-top: 1px solid var(--color-border-soft);
  background: rgba(9, 12, 18, 0.92);
  font-size: 0.88rem;
  color: var(--color-text-dim);
}

.statusbar__left,
.statusbar__center {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.statusbar__actions {
  display: inline-flex;
  gap: 0.5rem;
}

.statusbar-btn {
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(18, 22, 30, 0.65);
  color: var(--color-text);
  border-radius: var(--radius-sm);
  padding: 0.35rem 0.75rem;
  font-size: 0.82rem;
  font-weight: 600;
  display: inline-flex;
  gap: 0.3rem;
  align-items: center;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.statusbar-btn[disabled] {
  opacity: 0.45;
  cursor: not-allowed;
}

.statusbar-btn:not([disabled]):hover {
  background: rgba(106, 165, 255, 0.22);
}

.statusbar-btn__icon {
  font-size: 1rem;
}

#toast-container {
  position: fixed;
  right: 1.8rem;
  bottom: 4.5rem;
  display: grid;
  gap: 0.6rem;
  z-index: 200;
}

.toast {
  background: rgba(18, 22, 30, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-left: 4px solid var(--color-primary);
  padding: 0.75rem 1.1rem;
  border-radius: var(--radius-md);
  color: var(--color-text);
  min-width: 240px;
  box-shadow: var(--shadow-md);
  display: grid;
  gap: 0.25rem;
  animation: slideIn var(--transition-medium);
}

.toast--success {
  border-left-color: var(--color-accent);
}

.toast--error {
  border-left-color: var(--color-magenta);
}

.toast__title {
  font-weight: 600;
  font-size: 0.95rem;
}

.toast__message {
  font-size: 0.88rem;
  color: var(--color-text-dim);
}

#cmdk-overlay {
  position: fixed;
  inset: 0;
  background: rgba(6, 9, 14, 0.65);
  backdrop-filter: blur(10px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  z-index: 180;
}

#cmdk-overlay.is-open {
  display: flex;
}

.cmdk-dialog {
  width: min(640px, 90vw);
  background: rgb(16, 20, 28);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-lg);
  display: grid;
  gap: 0.85rem;
  padding: 1.4rem 1.6rem;
}

.cmdk-dialog__header h2 {
  margin: 0;
  font-size: 1.25rem;
}

.cmdk-dialog__header p {
  margin: 0;
  color: var(--color-text-dim);
  font-size: 0.9rem;
}

#cmdk-search {
  width: 100%;
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(12, 16, 22, 0.9);
  color: var(--color-text);
  font-size: 1rem;
}

#cmdk-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 320px;
  overflow-y: auto;
  display: grid;
  gap: 0.35rem;
}

.cmdk-item {
  display: grid;
  gap: 0.2rem;
  background: rgba(12, 16, 22, 0.65);
  border-radius: var(--radius-md);
  padding: 0.65rem 0.9rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.cmdk-item__title {
  font-weight: 600;
}

.cmdk-item__subtitle {
  font-size: 0.85rem;
  color: var(--color-text-dim);
}

.cmdk-item.is-active,
.cmdk-item:hover {
  border-color: rgba(106, 165, 255, 0.4);
  background: rgba(106, 165, 255, 0.12);
}

.cmdk-hint {
  margin: 0;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.55);
  text-align: center;
}

@keyframes slideIn {
  0% {
    opacity: 0;
    transform: translateY(12px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInPanel {
  0% {
    opacity: 0;
    transform: translateY(8px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1340px) {
  .app-shell__layout {
    grid-template-columns: minmax(260px, 300px) minmax(0, 1fr) minmax(280px, 320px);
  }
}

@media (max-width: 1180px) {
  .app-shell__body {
    grid-template-columns: 88px minmax(0, 1fr);
  }
  .app-shell__layout {
    grid-template-columns: minmax(0, 1fr) minmax(320px, 360px);
  }
  .app-shell__panel {
    display: none;
  }
}

@media (max-width: 980px) {
  .app-topbar {
    flex-wrap: wrap;
    gap: 1rem;
  }
  .app-topbar__actions {
    width: 100%;
    justify-content: flex-end;
  }
  .app-shell__layout {
    grid-template-columns: minmax(0, 1fr);
  }
  .app-shell__inspector {
    display: none;
  }
  .app-bottom-nav {
    display: flex;
  }
  .app-statusbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.4rem;
  }
}

@media (max-width: 720px) {
  .app-shell__body {
    grid-template-columns: minmax(0, 1fr);
  }
  .app-rail {
    display: none;
  }
  .app-shell__canvas {
    padding: 1.1rem;
  }
  .workspace-tabs {
    width: 100%;
    justify-content: space-between;
  }
  .device-toggle {
    display: none;
  }
}
:root {

/* Back to portfolio */
.back-to-portfolio {
  position: fixed;
  top: 18px;
  left: 18px;
  z-index: 999;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(5, 5, 5, 0.75);
  color: #f5f5f5;
  border: 1px solid rgba(255, 255, 255, 0.12);
  text-decoration: none;
  font-size: 0.85rem;
  backdrop-filter: blur(10px);
}

.back-to-portfolio svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.back-to-portfolio:hover {
  border-color: rgba(255, 255, 255, 0.3);
}

@media (max-width: 640px) {
  .back-to-portfolio {
    top: 12px;
    left: 12px;
    font-size: 0.8rem;
    padding: 6px 12px;
  }
}