:root {
  --bg: #070b12;
  --panel: #0d1420;
  --panel-2: #111a28;
  --line: rgba(148, 174, 204, 0.14);
  --text: #e8eef6;
  --mute: #8fa3b8;
  --dim: #5c7086;
  --accent: #3dffa8;
  --accent-2: #6ec8ff;
  --danger: #ff6b7a;
  --font: "Sora", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --top-h: 46px;
  --bar-h: 44px;
  --log-h: 36px;
  --rail-w: 240px;
  --right-w: 320px;
}

* { box-sizing: border-box; }
html, body {
  height: 100%;
  width: 100%;
  margin: 0;
  overflow: hidden;
}
body.studio-page {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
}

.studio {
  height: 100dvh;
  width: 100%;
  display: grid;
  grid-template-rows: var(--top-h) minmax(0, 1fr);
  overflow: hidden;
}

.studio-top {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 14px;
  border-bottom: 1px solid var(--line);
  background: #0d1420;
  min-width: 0;
}
.studio-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: inherit;
  flex-shrink: 0;
}
.studio-brand__mark {
  width: 9px;
  height: 9px;
  border-radius: 2px;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(61, 255, 168, 0.12);
}
.studio-brand__name { font-weight: 700; font-size: 13px; letter-spacing: -0.01em; white-space: nowrap; }
.studio-brand__tag {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(61, 255, 168, 0.3);
  padding: 2px 7px;
  border-radius: 999px;
}
.studio-top__meta {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}
.studio-top__hint {
  color: var(--mute);
  font-size: 12px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.studio-top__home {
  color: var(--mute);
  text-decoration: none;
  font-size: 13px;
  flex-shrink: 0;
}
.studio-top__home:hover { color: var(--text); }

.studio-pill {
  flex-shrink: 0;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(61, 255, 168, 0.1);
  color: var(--accent);
  border: 1px solid rgba(61, 255, 168, 0.22);
}
.studio-pill--dim {
  background: rgba(148, 174, 204, 0.08);
  color: var(--mute);
  border-color: var(--line);
}
.studio-pill.is-err {
  background: rgba(255, 107, 122, 0.12);
  color: var(--danger);
  border-color: rgba(255, 107, 122, 0.3);
}

/* 3 columns always on desktop */
.studio-layout {
  min-height: 0;
  min-width: 0;
  display: grid;
  grid-template-columns: var(--rail-w) minmax(0, 1fr) var(--right-w);
  overflow: hidden;
}

/* LEFT */
.studio-rail {
  min-width: 0;
  min-height: 0;
  border-right: 1px solid var(--line);
  background: var(--panel);
  padding: 12px;
  overflow-x: hidden;
  overflow-y: auto;
}
.studio-rail__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}
.studio-rail h1,
.studio-files h2,
.studio-ai h2,
.studio-block h2,
.studio-block h3 {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mute);
}
.studio-block { margin-top: 16px; }
.studio-block h2,
.studio-block h3 { margin-bottom: 8px; }

.studio-project-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 5px;
}
.studio-project-list button {
  width: 100%;
  text-align: left;
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--text);
  border-radius: 9px;
  padding: 8px 10px;
  cursor: pointer;
  font: inherit;
  font-size: 13px;
}
.studio-project-list button.is-on {
  border-color: rgba(61, 255, 168, 0.35);
  box-shadow: inset 0 0 0 1px rgba(61, 255, 168, 0.15);
}
.studio-project-list .slug {
  display: block;
  color: var(--dim);
  font-size: 10px;
  margin-top: 2px;
}

.studio-field {
  display: grid;
  gap: 3px;
  margin-bottom: 7px;
  font-size: 11px;
  color: var(--mute);
}
.studio-field input,
.studio-field select {
  border: 1px solid var(--line);
  background: #0a1018;
  color: var(--text);
  border-radius: 8px;
  padding: 7px 9px;
  font: inherit;
}

.studio-templates {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}
.studio-templates button {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
  color: var(--mute);
  border-radius: 10px;
  padding: 8px 9px;
  cursor: pointer;
  font: inherit;
  font-size: 11px;
  text-align: left;
  display: grid;
  gap: 2px;
}
.studio-templates button strong {
  color: var(--text);
  font-size: 12px;
  font-weight: 650;
}
.studio-templates button span {
  color: var(--mute);
  font-size: 10px;
  line-height: 1.3;
}
.studio-templates button:hover {
  color: var(--text);
  border-color: rgba(61, 255, 168, 0.35);
  background: rgba(61, 255, 168, 0.06);
}

.studio-live {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  color: var(--mute);
  cursor: pointer;
  user-select: none;
  margin-right: 4px;
}
.studio-live input {
  accent-color: var(--accent);
  margin: 0;
}
.studio-live:has(input:checked) {
  color: var(--accent);
}

.studio-btn {
  appearance: none;
  border: 0;
  border-radius: 8px;
  padding: 8px 11px;
  background: var(--accent);
  color: #062016;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}
.studio-btn:disabled { opacity: 0.45; cursor: not-allowed; }
.studio-btn--ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
}
.studio-btn--sm { padding: 5px 9px; font-size: 12px; }
.studio-btn--block { width: 100%; }
.studio-btn--native {
  flex: 1;
  background: rgba(110, 200, 255, 0.12);
  color: var(--accent-2);
  border: 1px solid rgba(110, 200, 255, 0.28);
  font-size: 12px;
  padding: 8px 6px;
}
.studio-build__row { display: flex; gap: 5px; }
.studio-build__note {
  font-size: 10px;
  color: var(--dim);
  line-height: 1.4;
  margin: 0 0 8px;
}
.studio-download {
  display: inline-block;
  margin-top: 8px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
}

/* CENTER */
.studio-main {
  min-width: 0;
  min-height: 0;
  display: grid;
  grid-template-rows: var(--bar-h) minmax(0, 1fr) var(--log-h);
  background: #090e16;
  overflow: hidden;
}
.studio-main.is-log-open {
  --log-h: 130px;
}
.studio-main__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: nowrap;
  padding: 0 10px;
  border-bottom: 1px solid var(--line);
  min-width: 0;
  overflow: hidden;
}
.studio-modes,
.studio-device-toggle {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  flex-shrink: 0;
}
.studio-modes button,
.studio-device-toggle button {
  border: 0;
  background: transparent;
  color: var(--mute);
  padding: 6px 9px;
  cursor: pointer;
  font: inherit;
  font-size: 12px;
}
.studio-modes button.is-on,
.studio-device-toggle button.is-on {
  background: rgba(61, 255, 168, 0.12);
  color: var(--accent);
}
#studio-status {
  color: var(--mute);
  font-size: 12px;
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.studio-main__actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.studio-work {
  min-height: 0;
  min-width: 0;
  height: 100%;
  display: grid;
  overflow: hidden;
}
.studio-work.is-preview {
  grid-template-columns: 1fr;
}
.studio-work.is-preview .studio-preview { display: flex; }
.studio-work.is-preview .studio-code { display: none; }

.studio-work.is-code {
  grid-template-columns: 1fr;
}
.studio-work.is-code .studio-preview { display: none; }
.studio-work.is-code .studio-code { display: flex; }

.studio-work.is-split {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
}
.studio-work.is-split .studio-preview,
.studio-work.is-split .studio-code {
  display: flex;
}

.studio-field-input {
  width: 100%;
  border-radius: 8px;
  border: 1px solid rgba(148, 174, 204, 0.2);
  background: #0c131c;
  color: #c9d6e4;
  padding: 8px 10px;
  font-size: 0.75rem;
  font-family: var(--mono);
}

.studio-preview {
  min-width: 0;
  min-height: 0;
  display: flex;
  align-items: stretch;
  justify-content: center;
  padding: 8px 12px;
  overflow: hidden;
  background:
    radial-gradient(ellipse 55% 45% at 50% 42%, rgba(61, 255, 168, 0.05), transparent),
    #090e16;
}

.device-stage {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 0;
  min-width: 0;
  overflow: hidden;
}

/* Layout box = scaled size; .phone scales from top-left inside */
.phone-shell {
  position: relative;
  flex: 0 0 auto;
  overflow: hidden;
  filter: drop-shadow(0 22px 40px rgba(0, 0, 0, 0.55));
}

/* Logical device CSS pixels — size set in fitPhone() */
.phone {
  position: absolute;
  top: 0;
  left: 0;
  width: 360px;
  height: 800px;
  transform-origin: top left;
  will-change: transform;
}
.phone__bezel {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  border-radius: 36px;
  padding: 10px 9px 12px;
  background: linear-gradient(160deg, #1c2638, #0b1018);
  border: 1px solid rgba(148, 174, 204, 0.22);
  overflow: hidden;
  /* Device chrome shouldn't steal gestures from the screen */
  touch-action: none;
}
.phone[data-device="ios"] .phone__bezel {
  border-radius: 42px;
  background: linear-gradient(160deg, #242424, #0e0e0e);
}
.phone__notch {
  flex: 0 0 auto;
  width: 34%;
  height: 8px;
  margin: 0 auto 6px;
  border-radius: 999px;
  background: #05080e;
  pointer-events: none;
}
.phone[data-device="ios"] .phone__notch {
  width: 24%;
  height: 18px;
  border-radius: 12px;
}
.phone__status {
  flex: 0 0 auto;
  display: flex;
  justify-content: space-between;
  color: #9aa8b8;
  font-size: 10px;
  padding: 0 8px 6px;
  font-family: var(--mono);
  pointer-events: none;
}
.phone__frame {
  flex: 1 1 auto;
  width: 100%;
  min-height: 0;
  border: 0;
  border-radius: 20px;
  background: #0a1018;
  display: block;
  overflow: hidden;
  /* Real interaction surface — like Chrome device mode */
  touch-action: manipulation;
  pointer-events: auto;
  cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='28' height='28' viewBox='0 0 28 28'%3E%3Ccircle cx='14' cy='14' r='10' fill='none' stroke='%233dffa8' stroke-width='2' opacity='0.9'/%3E%3Ccircle cx='14' cy='14' r='3' fill='%233dffa8'/%3E%3C/svg%3E") 14 14, pointer;
  -webkit-overflow-scrolling: touch;
}
.phone__home {
  flex: 0 0 auto;
  width: 88px;
  height: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.28);
  margin: 8px auto 0;
  pointer-events: none;
}

.studio-code {
  min-width: 0;
  min-height: 0;
  display: none;
  flex-direction: column;
  border-left: 1px solid var(--line);
  overflow: hidden;
  background: #0a1018;
}
.studio-editor {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}
.studio-tabs {
  flex: 0 0 auto;
  padding: 7px 10px;
  border-bottom: 1px solid var(--line);
}
.studio-tab {
  display: inline-flex;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--mute);
  padding: 3px 8px;
  border-radius: 6px;
  background: rgba(148, 174, 204, 0.06);
}
.studio-monaco {
  flex: 1;
  min-height: 0;
  overflow: hidden;
}
.studio-fallback {
  flex: 1;
  width: 100%;
  min-height: 0;
  border: 0;
  resize: none;
  padding: 12px;
  background: #0a1018;
  color: var(--text);
  font-family: var(--mono);
  font-size: 13px;
}

.studio-console {
  min-height: 0;
  border-top: 1px solid var(--line);
  background: #070b12;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.studio-console__bar {
  flex: 0 0 36px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 10px;
  color: var(--dim);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.studio-console__out {
  display: none;
  margin: 0;
  padding: 0 12px 8px;
  overflow: auto;
  flex: 1;
  min-height: 0;
  font-family: var(--mono);
  font-size: 11px;
  color: #b7c6d6;
  white-space: pre-wrap;
}
.studio-main.is-log-open .studio-console__out {
  display: block;
}

/* RIGHT */
.studio-right {
  min-width: 0;
  min-height: 0;
  display: grid;
  grid-template-rows: minmax(140px, 0.38fr) minmax(0, 0.62fr);
  border-left: 1px solid var(--line);
  background: var(--panel);
  overflow: hidden;
}
.studio-right.is-models {
  grid-template-rows: minmax(280px, 0.58fr) minmax(160px, 0.42fr);
}

.studio-right__top {
  min-height: 0;
  display: flex;
  flex-direction: column;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.studio-side-tabs {
  display: flex;
  gap: 0;
  flex: 0 0 auto;
  border-bottom: 1px solid var(--line);
}
.studio-side-tabs button {
  flex: 1;
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--mute);
  font: 650 11px/1 var(--font);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 10px 8px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
}
.studio-side-tabs button.is-on {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.studio-files {
  min-height: 0;
  display: none;
  flex-direction: column;
  overflow: hidden;
  flex: 1;
}
.studio-files.is-on { display: flex; }
.studio-files__head {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px 6px;
}
.studio-models {
  min-height: 0;
  display: none;
  flex-direction: column;
  overflow: auto;
  flex: 1;
}
.studio-models:not([hidden]),
.studio-models.is-on { display: flex; }
.studio-models__actions {
  display: flex;
  gap: 6px;
  align-items: center;
}
.studio-models__hint {
  margin: 0;
  padding: 0 12px 8px;
  color: var(--dim);
  font-size: 0.7rem;
  line-height: 1.4;
}
.studio-models__hint code {
  color: var(--accent);
  font-size: 0.68rem;
}
.studio-models__drop {
  margin: 0 10px 10px;
  padding: 14px 12px;
  border: 1.5px dashed rgba(61, 255, 168, 0.35);
  border-radius: 10px;
  background: rgba(61, 255, 168, 0.04);
  text-align: center;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: border-color 0.15s ease, background 0.15s ease;
  flex: 0 0 auto;
}
.studio-models__drop:hover,
.studio-models__drop.is-drag {
  border-color: var(--accent);
  background: rgba(61, 255, 168, 0.1);
}
.studio-models__drop strong {
  color: var(--text);
  font: 650 12px/1.2 var(--font);
}
.studio-models__drop span {
  color: var(--dim);
  font-size: 0.68rem;
}
.studio-models__section {
  min-height: 0;
  display: flex;
  flex-direction: column;
  flex: 0 0 auto;
  overflow: visible;
}
.studio-models__label {
  margin: 0;
  padding: 4px 12px 6px;
  font: 650 10px/1 var(--font);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mute);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex: 0 0 auto;
}
.studio-models__link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0;
  text-transform: none;
  font-size: 0.68rem;
}
.studio-models__link:hover { text-decoration: underline; }
.studio-models__list {
  flex: 0 0 auto;
  min-height: 0;
  overflow: visible;
  padding: 0 8px 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.studio-models__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 6px 8px;
  border-radius: 8px;
  background: rgba(8, 14, 22, 0.55);
  border: 1px solid rgba(148, 174, 204, 0.1);
}
.studio-models__row.is-active {
  border-color: rgba(61, 255, 168, 0.45);
  background: rgba(61, 255, 168, 0.08);
}
.studio-models__meta {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.studio-models__name {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.studio-models__sub {
  font-size: 0.65rem;
  color: var(--dim);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.studio-models__btns {
  display: flex;
  gap: 4px;
  flex: 0 0 auto;
}
.studio-models__empty {
  margin: 0;
  padding: 4px 4px 0;
  color: var(--dim);
  font-size: 0.72rem;
}
.studio-models__empty a {
  color: var(--accent);
}
.studio-tree__list {
  flex: 1;
  min-height: 0;
  overflow: auto;
  display: grid;
  gap: 1px;
  align-content: start;
  padding: 0 8px 10px;
}
.studio-tree__list button {
  text-align: left;
  border: 0;
  background: transparent;
  color: var(--mute);
  padding: 6px 8px;
  border-radius: 6px;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 11px;
}
.studio-tree__list button.is-on {
  background: rgba(61, 255, 168, 0.1);
  color: var(--text);
}

.studio-ai {
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 10px 12px 12px;
  overflow: hidden;
}
.studio-ai__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex: 0 0 auto;
  gap: 8px;
}
.studio-ai__head-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}
.studio-ai__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  flex: 0 0 auto;
}
.studio-ai__chips button {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--mute);
  border-radius: 999px;
  padding: 4px 9px;
  font: inherit;
  font-size: 11px;
  cursor: pointer;
}
.studio-ai__chat {
  flex: 1;
  min-height: 0;
  overflow: auto;
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #0a1018;
}
.studio-ai__msg {
  padding: 7px 9px;
  border-radius: 9px;
  font-size: 12px;
  line-height: 1.4;
}
.studio-ai__msg--user {
  align-self: flex-end;
  background: rgba(110, 200, 255, 0.12);
}
.studio-ai__msg--bot {
  align-self: flex-start;
  background: rgba(148, 174, 204, 0.08);
}
.studio-ai__form {
  display: flex;
  gap: 5px;
  align-items: center;
  flex: 0 0 auto;
}
.studio-ai__compose-meta {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  flex: 0 0 auto;
  min-width: 0;
}
.studio-ai__compose-meta .ai-model-select,
.studio-ai__compose-meta .model-picker {
  margin-left: 0;
  max-width: 100%;
  width: 100%;
}
.studio-ai__compose-meta .model-picker__btn {
  width: 100%;
  justify-content: space-between;
}
.studio-ai__compose-meta .model-picker__menu {
  bottom: calc(100% + 8px);
  top: auto;
  right: 0;
  left: 0;
  width: 100%;
}
.studio-ai__form input {
  flex: 1;
  border: 1px solid var(--line);
  background: #0a1018;
  color: var(--text);
  border-radius: 9px;
  padding: 9px;
  font: inherit;
  min-width: 0;
}
.studio-ai__form #ai-send {
  appearance: none;
  border: 0;
  border-radius: 9px;
  padding: 9px 12px;
  background: var(--accent);
  color: #062016;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}
.studio-ai__hint {
  margin: 0;
  font-size: 10px;
  color: var(--dim);
  flex: 0 0 auto;
}
.ai-attach {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--mute);
  border-radius: 9px;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  cursor: pointer;
  flex: 0 0 auto;
}
.ai-attach-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  flex: 0 0 auto;
}
.ai-attach-row[hidden] { display: none !important; }
.ai-thumb {
  position: relative;
  width: 56px;
  height: 56px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #0a1018;
}
.ai-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.ai-thumb__x {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 18px;
  height: 18px;
  border: 0;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.7);
  color: #fff;
  font-size: 12px;
  line-height: 1;
  cursor: pointer;
  padding: 0;
}
.ai-thumb__x:hover { background: var(--danger); }
.studio-ai__imgs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 6px;
}
.studio-ai__imgs img {
  width: 72px;
  height: 72px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--line);
  display: block;
}
.ai-attach.has-img {
  color: var(--accent);
  border-color: rgba(61, 255, 168, 0.45);
}

.studio-modal {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0;
  background: var(--panel);
  color: var(--text);
  width: min(420px, 92vw);
}
.studio-modal::backdrop { background: rgba(0, 0, 0, 0.55); }
.studio-modal__card { padding: 18px; }
.studio-modal__card h3 { margin: 0 0 12px; }
.studio-modal__actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 12px;
}

/* Keep both sidebars until quite narrow — then drawers */
@media (max-width: 1100px) {
  :root {
    --rail-w: 210px;
    --right-w: 280px;
  }
}

@media (max-width: 820px) {
  .studio-layout {
    grid-template-columns: minmax(0, 1fr) var(--right-w);
  }
  .studio-rail {
    position: fixed;
    z-index: 40;
    inset: var(--top-h) auto 0 0;
    width: min(280px, 86vw);
    transform: translateX(-105%);
    transition: transform 180ms ease;
    box-shadow: 12px 0 40px rgba(0, 0, 0, 0.45);
  }
  .studio-layout.is-rail-open .studio-rail {
    transform: translateX(0);
  }
  .mobile-only { display: inline-flex !important; }
}

@media (max-width: 640px) {
  .studio-layout { grid-template-columns: 1fr; }
  .studio-right {
    position: fixed;
    z-index: 40;
    inset: var(--top-h) 0 0 auto;
    width: min(340px, 92vw);
    transform: translateX(105%);
    transition: transform 180ms ease;
    box-shadow: -12px 0 40px rgba(0, 0, 0, 0.45);
  }
  .studio-layout.is-ai-open .studio-right {
    transform: translateX(0);
  }
}

/* AI model picker (from style.css) */
.model-picker {
  position: relative;
  z-index: 40;
  margin-left: auto;
}

.model-picker__native {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  border: 0 !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

.model-picker__btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  max-width: min(240px, 62vw);
  padding: 5px 8px 5px 7px;
  border: 1px solid rgba(148, 174, 204, 0.16);
  border-radius: 8px;
  background: rgba(12, 17, 24, 0.55);
  color: var(--text-dim, #8fa3b8);
  font: inherit;
  cursor: pointer;
  transition: border-color 0.18s ease, background 0.18s ease, color 0.18s ease;
}

.model-picker__btn:hover {
  border-color: rgba(148, 174, 204, 0.32);
  background: rgba(22, 30, 41, 0.9);
  color: var(--text, #e8eef6);
}

.model-picker.is-open .model-picker__btn {
  border-color: rgba(61, 255, 168, 0.35);
  color: var(--text, #e8eef6);
}

.model-picker__mark {
  width: 7px;
  height: 7px;
  border-radius: 2px;
  flex-shrink: 0;
  background: var(--accent, #3dffa8);
  box-shadow: 0 0 0 3px rgba(61, 255, 168, 0.12);
}

.model-picker__btn[data-tone="sky"] .model-picker__mark {
  background: #6ec8ff;
  box-shadow: 0 0 0 3px rgba(110, 200, 255, 0.14);
}
.model-picker__btn[data-tone="amber"] .model-picker__mark {
  background: #ffb86b;
  box-shadow: 0 0 0 3px rgba(255, 184, 107, 0.14);
}
.model-picker__btn[data-tone="mint"] .model-picker__mark {
  background: #3dffa8;
  box-shadow: 0 0 0 3px rgba(61, 255, 168, 0.14);
}
.model-picker__btn[data-tone="steel"] .model-picker__mark {
  background: #9db4c8;
  box-shadow: 0 0 0 3px rgba(157, 180, 200, 0.14);
}
.model-picker__btn[data-tone="violet"] .model-picker__mark {
  background: #a78bfa;
  box-shadow: 0 0 0 3px rgba(167, 139, 250, 0.14);
}
.model-picker__btn[data-tone="rose"] .model-picker__mark {
  background: #ff8e9a;
  box-shadow: 0 0 0 3px rgba(255, 142, 154, 0.14);
}

.model-picker__copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1px;
  min-width: 0;
  text-align: left;
}

.model-picker__label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 160px;
  color: inherit;
}

.model-picker__vendor {
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-mute, #5c7086);
}

.model-picker__chev {
  display: grid;
  place-items: center;
  color: var(--text-mute, #5c7086);
  transition: transform 0.18s ease;
  flex-shrink: 0;
}

.model-picker.is-open .model-picker__chev {
  transform: rotate(180deg);
  color: var(--accent, #3dffa8);
}

.model-picker__menu {
  position: absolute;
  right: 0;
  bottom: calc(100% + 8px);
  width: min(280px, 86vw);
  padding: 6px;
  border: 1px solid rgba(148, 174, 204, 0.18);
  border-radius: 12px;
  background:
    linear-gradient(180deg, rgba(22, 30, 41, 0.98), rgba(12, 17, 24, 0.98));
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  pointer-events: none;
  transition: opacity 0.16s ease, transform 0.16s ease, visibility 0.16s;
}

.model-picker.is-open .model-picker__menu {
  opacity: 1;
  visibility: visible;
  transform: none;
  pointer-events: auto;
}

.model-picker__head {
  padding: 6px 10px 8px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-mute, #5c7086);
}

.model-picker__opt {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 10px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--text, #e8eef6);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: background 0.14s ease, border-color 0.14s ease;
}

.model-picker__opt:hover {
  background: rgba(148, 174, 204, 0.08);
}

.model-picker__opt.is-locked {
  opacity: 0.78;
  cursor: not-allowed;
}

.model-picker__opt.is-locked:hover {
  background: rgba(255, 209, 102, 0.07);
}

.model-picker__opt.is-locked .model-picker__opt-name {
  color: var(--text-mute, #8fa3b8);
}

.model-picker__lock {
  flex-shrink: 0;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: #ffd166;
  border: 1px solid rgba(255, 209, 102, 0.45);
  border-radius: 999px;
  padding: 3px 8px;
  line-height: 1.2;
}

.model-picker__opt.is-shake {
  animation: model-lock-shake 0.4s ease;
}

@keyframes model-lock-shake {
  0%,
  100% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(-3px);
  }
  75% {
    transform: translateX(3px);
  }
}

.model-picker__opt.is-on {
  background: rgba(61, 255, 168, 0.08);
  border-color: rgba(61, 255, 168, 0.22);
}

.model-picker__opt-main {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.model-picker__opt-name {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.model-picker__opt-note {
  font-size: 10px;
  color: var(--text-mute, #5c7086);
}

.model-picker__opt-vendor {
  flex-shrink: 0;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-mute, #5c7086);
  padding: 3px 6px;
  border-radius: 4px;
  border: 1px solid rgba(148, 174, 204, 0.14);
}

.model-picker__opt[data-tone="sky"].is-on .model-picker__opt-vendor {
  color: #6ec8ff;
  border-color: rgba(110, 200, 255, 0.28);
}
.model-picker__opt[data-tone="amber"].is-on .model-picker__opt-vendor {
  color: #ffb86b;
  border-color: rgba(255, 184, 107, 0.28);
}
.model-picker__opt[data-tone="mint"].is-on .model-picker__opt-vendor {
  color: #3dffa8;
  border-color: rgba(61, 255, 168, 0.28);
}
.model-picker__opt[data-tone="steel"].is-on .model-picker__opt-vendor {
  color: #9db4c8;
  border-color: rgba(157, 180, 200, 0.28);
}
.model-picker__opt[data-tone="violet"].is-on .model-picker__opt-vendor {
  color: #a78bfa;
  border-color: rgba(167, 139, 250, 0.28);
}
.model-picker__opt[data-tone="rose"].is-on .model-picker__opt-vendor {
  color: #ff8e9a;
  border-color: rgba(255, 142, 154, 0.28);
}

@media (max-width: 640px) {
  .model-picker {
    margin-left: 0;
    width: 100%;
  }

  .model-picker__btn {
    max-width: none;
    width: 100%;
  }

  .model-picker__label {
    max-width: none;
  }

  .model-picker__menu {
    left: 0;
    right: 0;
    width: auto;
  }
}

.ai-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ai);
  box-shadow: 0 0 10px rgba(110, 200, 255, 0.55);
  animation: ai-glow 2.4s ease-in-out infinite;
}

@keyframes ai-glow {
  0%,
  100% {
    opacity: 0.7;
  }
  50% {
    opacity: 1;
  }
}

.ai-panel__messages {
  flex: 1;
  overflow: auto;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ai-msg {
  padding: 12px 14px;
  border-radius: 10px;
  line-height: 1.5;
  animation: msg-in 0.35s var(--ease) both;
}

@keyframes msg-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.ai-msg--bot {
  background: linear-gradient(160deg, rgba(110, 200, 255, 0.1), rgba(61, 255, 168, 0.05));
  border: 1px solid rgba(110, 200, 255, 0.18);
}

.ai-msg p + p {
  margin-top: 8px;
}

.ai-msg__meta {
  font-size: 11px;
  color: var(--text-mute);
}

.ai-panel__compose {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px;
  border-top: 1px solid var(--border-soft);
}

.ai-compose-main {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 8px;
  align-items: end;
}

.ai-panel__compose textarea {
  resize: none;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-base);
  color: var(--text);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.ai-panel__compose textarea:focus {
  border-color: rgba(110, 200, 255, 0.45);
  box-shadow: 0 0 0 3px rgba(110, 200, 255, 0.1);
}

.ai-panel__compose textarea:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}


.ai-model-select,
.ai-model-select--quiet {
  appearance: none;
  -webkit-appearance: none;
  max-width: 100%;
  width: auto;
  min-width: 0;
  padding: 2px 18px 2px 6px;
  border: none;
  border-radius: 6px;
  background:
    transparent
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' fill='none'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%235c7086' stroke-width='1.3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")
    no-repeat right 4px center;
  color: var(--text-mute, #5c7086);
  font: inherit;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.01em;
  outline: none;
  cursor: pointer;
  transition: color 0.15s ease, background-color 0.15s ease;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ai-model-select:hover,
.ai-model-select--quiet:hover {
  color: var(--text-dim, #8fa3b8);
  background-color: rgba(148, 174, 204, 0.06);
}

.ai-model-select:focus,
.ai-model-select--quiet:focus {
  color: var(--text-dim, #8fa3b8);
  background-color: rgba(148, 174, 204, 0.08);
}

.studio-ai .model-picker{margin-left:0;}
.studio-ai__head-actions{flex-wrap:wrap;gap:6px;align-items:center;}
.admin-actions__row{display:flex;flex-direction:column;gap:6px;align-items:stretch;}
.admin-grant-premium{background:rgba(61,255,168,.16)!important;color:#3dffa8!important;border:1px solid rgba(61,255,168,.35)!important;}
.admin-grant-premium:disabled{opacity:.45;}

/* —— Pro chrome additions (2026-08-19) —— */
.mobile-only { display: none; }
.studio-top__actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.studio-icon-btn {
  appearance: none;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--text);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}
.studio-scrim {
  position: fixed;
  inset: var(--top-h) 0 0;
  z-index: 35;
  border: 0;
  background: rgba(4, 8, 14, 0.55);
  cursor: pointer;
}
.studio-scrim[hidden] { display: none !important; }

.studio-settings {
  margin-top: 12px;
  border-top: 1px solid var(--line);
  padding-top: 10px;
  flex: 0 0 auto;
}
.studio-settings[hidden] { display: none !important; }
.studio-settings__title {
  margin: 0 0 8px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mute);
  padding: 0 2px;
}
.studio-settings .studio-block h2,
.studio-settings .studio-block h3 {
  margin: 0 0 8px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mute);
}
.studio-details {
  margin-top: 12px;
  border-top: 1px solid var(--line);
  padding-top: 8px;
}
.studio-details > summary {
  cursor: pointer;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mute);
  padding: 6px 2px;
  list-style: none;
}
.studio-details > summary::-webkit-details-marker { display: none; }
.studio-btn--danger { color: var(--danger) !important; border-color: rgba(255, 107, 122, 0.35) !important; }
.studio-build__row--gap { margin-top: 8px; }

.studio-tabs {
  display: flex;
  gap: 0;
  overflow-x: auto;
  flex: 0 0 auto;
  border-bottom: 1px solid var(--line);
  background: #0a111b;
  min-height: 34px;
}
.studio-tab {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--mute);
  font: 500 12px/1 var(--mono);
  padding: 9px 12px;
  cursor: pointer;
  border-right: 1px solid var(--line);
  white-space: nowrap;
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
}
.studio-tab.is-on {
  color: var(--text);
  background: rgba(61, 255, 168, 0.06);
  box-shadow: inset 0 -2px 0 var(--accent);
}
.studio-tab.is-dirty::before {
  content: "• ";
  color: var(--accent);
}

.studio-tree__folder {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--dim);
  padding: 8px 12px 4px;
}
.studio-tree__list button {
  display: block;
  width: 100%;
  text-align: left;
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--mute);
  font: 500 12px/1.3 var(--mono);
  padding: 6px 12px 6px 18px;
  cursor: pointer;
}
.studio-tree__list button.is-on {
  color: var(--accent);
  background: rgba(61, 255, 168, 0.08);
}
.studio-tree__list button.is-dirty { color: #b8ffe0; }

.studio-ai__quick { position: relative; padding: 0 10px 6px; }
.studio-ai__menu {
  position: absolute;
  z-index: 20;
  left: 10px;
  right: 10px;
  top: 100%;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 6px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #0f1724;
  box-shadow: 0 16px 40px rgba(0,0,0,0.45);
}
.studio-ai__menu[hidden] { display: none !important; }
.studio-ai__menu button {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--text);
  text-align: left;
  font: 500 12px/1.3 var(--font);
  padding: 8px 10px;
  border-radius: 6px;
  cursor: pointer;
}
.studio-ai__menu button:hover { background: rgba(61, 255, 168, 0.08); }

.studio-ai__status {
  margin: 0 10px 6px;
  padding: 6px 10px;
  border-radius: 8px;
  background: rgba(110, 200, 255, 0.08);
  border: 1px solid rgba(110, 200, 255, 0.2);
  color: var(--accent-2);
  font-size: 12px;
}
.studio-ai__status[hidden] { display: none !important; }
.studio-ai__written {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 0 10px 8px;
}
.studio-ai__written[hidden] { display: none !important; }
.studio-ai__chip {
  appearance: none;
  border: 1px solid rgba(61, 255, 168, 0.3);
  background: rgba(61, 255, 168, 0.08);
  color: var(--accent);
  font: 500 11px/1 var(--mono);
  padding: 5px 8px;
  border-radius: 999px;
  cursor: pointer;
}
#ai-send.is-busy { opacity: 0.75; pointer-events: none; }
#ai-send .ai-send__spin {
  display: inline-block;
  width: 12px;
  height: 12px;
  border: 2px solid rgba(7, 11, 18, 0.25);
  border-top-color: #070b12;
  border-radius: 50%;
  animation: prmtrc-spin 0.7s linear infinite;
  vertical-align: -1px;
}
#ai-send .ai-send__spin[hidden] { display: none !important; }
@keyframes prmtrc-spin { to { transform: rotate(360deg); } }

.studio-console__status {
  flex: 1;
  font-size: 11px;
  color: var(--mute);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.studio-btn--native.is-building {
  opacity: 0.55;
  pointer-events: none;
}
.studio-project-list li {
  display: flex;
  align-items: stretch;
  gap: 4px;
}
.studio-project-list li > button:first-child { flex: 1; }
.studio-project-list .proj-del {
  flex: 0 0 auto;
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--dim);
  cursor: pointer;
  padding: 0 8px;
  font-size: 14px;
}
.studio-project-list .proj-del:hover { color: var(--danger); }


/* classic App Studio mark */
.studio-brand__mark {
  width: 9px !important;
  height: 9px !important;
  border-radius: 2px !important;
  background: var(--accent) !important;
  box-shadow: 0 0 0 3px rgba(61, 255, 168, 0.12) !important;
}