/* Shared creation controls. Mouse presence and keyboard focus open the writing area. */
html[data-theme="light"] {
  --studio-bg: #f8f9fc;
  --studio-side: #f5f6fa;
  --studio-panel: #fff;
  --studio-panel-2: #f3f4f8;
  --studio-panel-3: #e9ecf4;
  --studio-line: #e8eaf1;
  --studio-line-strong: #d4d8e5;
  --studio-accent: #5c63ce;
  --studio-accent-strong: #474fbb;
  --studio-accent-soft: #eeeffe;
  --studio-focus: #777be0;
  --studio-focus-soft: rgba(110, 112, 217, .12);
  --creation-shadow: 0 8px 32px rgba(30, 40, 85, .045), 0 1px 3px rgba(30, 40, 85, .03);
  --creation-light: rgba(150, 173, 255, .24);
  --creation-lilac: rgba(182, 152, 236, .22);
}
html[data-theme="dark"] {
  --studio-bg: #13151b;
  --studio-side: #171a22;
  --studio-panel: #1d212b;
  --studio-panel-2: #252a36;
  --studio-panel-3: #303748;
  --studio-line: #2e3543;
  --studio-line-strong: #444e63;
  --studio-accent: #a2aaff;
  --studio-accent-strong: #b8beff;
  --studio-accent-soft: #2c3356;
  --studio-focus: #9da6ff;
  --studio-focus-soft: rgba(151, 165, 255, .16);
  --creation-shadow: 0 10px 40px rgba(0, 0, 0, .2);
  --creation-light: rgba(113, 151, 238, .19);
  --creation-lilac: rgba(175, 129, 227, .17);
}

.studio-topbar { min-height: 56px; height: 56px; grid-template-columns: 1fr auto; background: var(--studio-bg); }
.studio-location { display: flex; gap: 12px; align-items: center; font-size: 11px; color: var(--studio-quiet); }
.studio-location > span { letter-spacing: .12em; font-size: 10px; }
.studio-location i { color: var(--studio-line-strong); font-style: normal; }
.studio-location strong { color: var(--studio-muted); font-weight: 500; }
.topbar-profile em { border-radius: 4px; background: transparent; color: var(--studio-quiet); }
#stage .hero { padding-top: clamp(38px, 7vh, 72px); padding-bottom: 0; }
#stage .hero-title { font-size: clamp(30px, 3.3vw, 44px); font-weight: 650; letter-spacing: -.055em; }
#stage .hero-lede { max-width: 580px; margin: 12px auto 0; font-size: 13px; line-height: 1.7; color: var(--studio-muted); }

/* The rail has a constant footprint; its explicit drawer floats over the canvas. */
@media (min-width: 761px) {
  #app { position: relative; padding-left: 72px; }
  #sidebar, #sidebar:hover {
    position: absolute; top: 0; bottom: 0; left: 0; z-index: 45;
    width: 208px; min-width: 208px; padding: 20px 12px 16px;
    background: var(--studio-side); box-shadow: 12px 0 32px rgba(24, 31, 60, .06);
    transition: width .28s cubic-bezier(.2,.8,.2,1), min-width .28s cubic-bezier(.2,.8,.2,1), box-shadow .28s ease;
  }
  #sidebar.rail, #sidebar.rail:hover { width: 72px; min-width: 72px; box-shadow: none; }
  #sidebar .nav-item, #sidebar.rail .nav-item, #sidebar.rail:hover .nav-item {
    height: 46px; min-height: 46px; max-height: 46px; margin-bottom: 5px;
    font-size: 13px; line-height: 1.5; font-weight: 450; transform: none;
    border-radius: 12px;
  }
  #sidebar .brand-name { font-size: 16px; letter-spacing: -.035em; }
  #sidebar .brand-sub { font-size: 12px; }
  #sidebar .brand-mark { width: 38px; height: 38px; border-radius: 12px; background: var(--studio-text); color: var(--studio-panel); font-size: 18px; }
  #sidebar .nav-item svg { width: 18px; height: 18px; }
  #sidebar .nav-item.active { background: var(--studio-accent-soft); color: var(--studio-accent); }
  #sidebar .nav-item.active::before { top: 17px; bottom: 17px; left: 0; width: 2px; border-radius: 2px; }
  #sidebar .nav-item:hover { background: var(--studio-panel-3); transform: none; }
  #sidebar .rail-toggle { right: -10px; top: 9px; width: 20px; height: 20px; border: 1px solid var(--studio-line); background: var(--studio-panel); }
  #sidebar .user-avatar { border-radius: 12px; background: var(--studio-accent-soft); color: var(--studio-accent); }
  #sidebar .user-card { margin: 0; padding-top: 12px; }
  #sidebar .brand-text, #sidebar .nav-item span, #sidebar .user-info { transition: opacity .18s ease; }
  #sidebar .rail-toggle { display: flex !important; }
  #sidebar:not(.rail) .brand-text, #sidebar:not(.rail) .user-info { display: block !important; }
  #sidebar:not(.rail) .nav-label, #sidebar:not(.rail) .nav-item span { display: inline !important; max-width: none; opacity: 1; }
  #sidebar:not(.rail) .logout-btn { display: flex !important; }
}

/* One editor owns the model, media type, settings and submission. */
#stage > #composer, body.reference-workspace #dock #composer {
  position: relative; display: block; isolation: isolate;
  width: min(100%, 820px); min-height: 0; margin: 30px auto 0;
  padding: 16px 18px 12px; overflow: visible;
  border: 1px solid var(--studio-line-strong); border-radius: 20px;
  background: var(--studio-panel); color: var(--studio-text); box-shadow: var(--creation-shadow);
  transition: border-color .28s ease, box-shadow .42s ease;
}
#stage > #composer:focus-within, body.reference-workspace #dock #composer:focus-within {
  border-color: color-mix(in srgb, var(--studio-focus) 42%, var(--studio-line));
  box-shadow: var(--creation-shadow), 0 0 0 1px var(--studio-focus-soft);
}
#composer.is-hovered { box-shadow: 0 12px 40px var(--studio-focus-soft), var(--creation-shadow); }
#composer .composer-input-row, body.reference-workspace #dock #composer .composer-input-row {
  display: flex; min-height: 48px; gap: 14px; align-items: flex-start;
}
#composer .composer-writing { min-width: 0; flex: 1; }
#composer .composer-writing .prompt-input,
body.reference-workspace #dock #composer .composer-writing .prompt-input {
  display: block; width: 100%; height: 48px; min-height: 48px; max-height: 180px;
  margin: 0; padding: 7px 0 0; resize: none;
  font-size: 14px; line-height: 1.65; color: var(--studio-text);
  transition: height .46s cubic-bezier(.16,1,.3,1), min-height .46s cubic-bezier(.16,1,.3,1);
}
#composer.expanded .composer-writing .prompt-input,
body.reference-workspace #dock #composer.expanded .composer-writing .prompt-input { height: 104px; min-height: 104px; }
#composer .composer-upload, body.reference-workspace #dock #composer .composer-upload {
  width: 38px; min-width: 38px; height: 38px; min-height: 38px; margin: 1px 0 0; padding: 0;
  border: 1px solid var(--studio-line); border-radius: 11px; background: var(--studio-panel-2); color: var(--studio-muted);
  transition: background-color .2s ease, border-color .2s ease;
}
#composer .composer-upload svg { width: 18px; height: 18px; }
#composer .composer-upload span, #composer .composer-upload b, #composer .composer-label { display: none; }
#composer .prompt-counter, body.reference-workspace #dock #composer .prompt-counter { display: none; }
#composer.expanded .prompt-counter { display: none; }
#composer .composer-bar, body.reference-workspace #dock #composer .composer-bar {
  position: static; display: flex; margin-top: 10px; padding: 0; gap: 10px;
  align-items: center; justify-content: space-between; border: 0;
}
.composer-primary-controls { display: flex; min-width: 0; gap: 7px; align-items: center; flex: 1; }
#composer #modelChip, body.reference-workspace #dock #composer #modelChip {
  display: inline-flex !important; min-width: 0; max-width: 240px; width: auto; height: 34px; min-height: 34px;
  padding: 0 11px; gap: 8px; order: 0; border: 1px solid var(--studio-line); border-radius: 10px;
  background: var(--studio-panel-2); color: var(--studio-text); transform: none;
}
#composer #modelChip::before { content: "✦"; color: var(--studio-accent); font-size: 13px; }
#composer #modelChip .chip-label { overflow: hidden; font-size: 11px; font-weight: 550; white-space: nowrap; text-overflow: ellipsis; }
#composer #modelChip .chev { flex: 0 0 auto; width: 8px; }
#composer #kindMini, body.reference-workspace #dock #composer #kindMini {
  display: flex !important; height: 34px; padding: 3px; gap: 1px; order: 1;
  border: 1px solid var(--studio-line); border-radius: 10px; background: transparent;
}
#composer #kindMini .km-btn { min-width: 42px; height: 26px; padding: 0 9px; border-radius: 7px; font-size: 10px; color: var(--studio-quiet); }
#composer #kindMini .km-btn.active { background: var(--studio-panel-3); color: var(--studio-text); box-shadow: none; }
#composer #dockOptionsToggle, body.reference-workspace #dock #composer #dockOptionsToggle {
  display: inline-flex; height: 34px; padding: 0 10px; gap: 6px; align-items: center; order: 2;
  border: 1px solid transparent; border-radius: 10px; background: transparent;
  color: var(--studio-muted); font-size: 10px; white-space: nowrap;
}
#composer #dockOptionsToggle svg { width: 16px; height: 16px; }
#composer #dockOptionsToggle:hover, #composer #dockOptionsToggle[aria-expanded="true"] { background: var(--studio-panel-2); color: var(--studio-accent); }
#composer .composer-bar > #sendBtn, body.reference-workspace #dock #composer .composer-bar > #sendBtn {
  position: relative; display: grid; width: 38px; min-width: 38px; height: 38px; padding: 0; overflow: hidden; border: 0; border-radius: 12px;
  background: var(--studio-accent); color: var(--studio-panel); box-shadow: 0 3px 8px var(--studio-focus-soft);
  transition: background-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
html[data-theme="dark"] #composer .composer-bar > #sendBtn { color: #171c2a; }
#composer #sendBtn svg { width: 19px; height: 19px; }
#composer #sendBtn #sendLabel { display: none; }
#composer .composer-bar > #sendBtn:hover:not(:disabled) { transform: translateY(-2px); background: var(--studio-accent-strong); box-shadow: 0 5px 16px var(--studio-focus-soft); }
#composer .composer-bar > #sendBtn:active:not(:disabled) { transform: scale(.94); }
#composer .composer-bar > #sendBtn.loading { opacity: 1; animation: none; }
#composer #sendBtn.loading svg:not(.send-confirm) { animation: creation-send .36s cubic-bezier(.4,0,.2,1) both; }
#composer #sendBtn .send-progress { position: absolute; inset: 0; display: flex; gap: 3px; align-items: center; justify-content: center; opacity: 0; transition: opacity .18s ease; pointer-events: none; }
#composer #sendBtn.loading .send-progress { opacity: 1; transition-delay: .18s; }
#composer .send-progress i { width: 3px; height: 3px; border-radius: 50%; background: currentColor; }
#composer #sendBtn.loading .send-progress i { animation: creation-dot 1.2s ease-in-out infinite; }
#composer #sendBtn.loading .send-progress i:nth-child(2) { animation-delay: .12s; }
#composer #sendBtn.loading .send-progress i:nth-child(3) { animation-delay: .24s; }
#composer #sendBtn .send-confirm { position: absolute; inset: 0; margin: auto; opacity: 0; transform: scale(.8); transition: opacity .18s ease, transform .28s cubic-bezier(.16,1,.3,1); }
#composer.is-accepted #sendBtn .send-confirm { opacity: 1; transform: scale(1); }
#composer.is-accepted #sendBtn svg:not(.send-confirm) { opacity: 0; }

/* Home settings take space inside the editor; only the dock needs a floating panel. */
#composer #composerOptions {
  position: static; inset: auto; z-index: auto;
  display: none; width: 100%; max-width: none; max-height: none; min-width: 0;
  grid-template-columns: repeat(auto-fit, minmax(88px, 1fr));
  gap: 7px; align-items: stretch; overflow: visible;
  margin: 12px 0 0; padding: 12px 0 0;
  border: 0; border-top: 1px solid var(--studio-line); border-radius: 0;
  background: transparent; box-shadow: none;
}
#composer.options-open #composerOptions, body.reference-workspace #dock #composer.options-open #composerOptions {
  display: grid; animation: creation-panel .2s cubic-bezier(.2,.8,.2,1) both;
}
body.reference-workspace #dock #composer #composerOptions {
  position: absolute; top: auto; right: 0; bottom: calc(100% + 9px); left: 0; z-index: 34;
  max-height: min(38dvh, 230px, var(--composer-options-space, 230px)); overflow-y: auto; margin: 0; padding: 12px;
  border: 1px solid var(--studio-line); border-radius: 14px;
  background: var(--studio-panel); box-shadow: var(--creation-shadow);
}
#composer #composerOptions > .chip, body.reference-workspace #dock #composer #composerOptions > .chip {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; grid-template-rows: auto auto;
  width: 100%; min-width: 0; max-width: 100%; height: 49px; min-height: 49px;
  padding: 7px 9px; gap: 3px 5px; text-align: left; align-content: center; justify-content: stretch;
  border: 1px solid var(--studio-line); border-radius: 9px; background: var(--studio-panel-2);
}
#composer #composerOptions > .chip[hidden] { display: none !important; }
#composer #composerOptions > .chip::before, #composer #composerOptions .mode-dot { display: none; }
#composer #composerOptions .chip-key { grid-column: 1; grid-row: 1; font-size: 10px; line-height: 1.2; color: var(--studio-muted); }
#composer #composerOptions .chip-label { grid-column: 1; grid-row: 2; font-size: 12px; line-height: 1.4; color: var(--studio-text); }
#composer #composerOptions .chev, #composer #composerOptions .toggle { grid-column: 2; grid-row: 1 / 3; align-self: center; }
#composer #composerOptions > .chip:hover { border-color: var(--studio-line-strong); background: var(--studio-accent-soft); transform: none; }
#composer .submission-status, body.reference-workspace #dock #composer .submission-status {
  position: absolute; right: 12px; bottom: calc(100% + 9px); margin: 0; padding: 7px 10px;
  border: 1px solid var(--studio-line); border-radius: 8px;
  background: var(--studio-panel); color: var(--studio-muted); font-size: 10px;
  box-shadow: var(--creation-shadow); pointer-events: none;
}
#composer .attach-tray { max-height: 94px; overflow-y: auto; margin: 0 0 12px; scrollbar-width: thin; }

/* The cursor illuminates one small part of the rim; submission sends one soft sweep. */
#composer > .composer-glow {
  position: absolute; inset: -1px; z-index: -1; display: block; padding: 1px; border-radius: inherit;
  background: radial-gradient(220px circle at var(--composer-light-x, 50%) var(--composer-light-y, 0px), var(--studio-focus), transparent 75%), linear-gradient(110deg, var(--studio-line), var(--studio-focus-soft), var(--studio-line)); opacity: 0; pointer-events: none;
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; transition: opacity .3s ease;
}
#composer.expanded > .composer-glow, #composer.is-submitting > .composer-glow, #composer.is-accepted > .composer-glow { opacity: .85; }
#composer > .composer-submit-wave { position: absolute; inset: 0; z-index: -1; overflow: hidden; border-radius: inherit; pointer-events: none; }
#composer > .composer-submit-wave::after {
  content: ""; position: absolute; inset: 0; opacity: 0;
  background: linear-gradient(105deg, transparent 30%, var(--studio-focus-soft) 50%, transparent 70%);
}
#composer.is-submitting > .composer-submit-wave::after { animation: creation-wave .85s cubic-bezier(.2,.7,.2,1) both; }
@keyframes creation-wave { 0% { opacity: 0; transform: translateX(-70%); } 35% { opacity: .8; } 100% { opacity: 0; transform: translateX(70%); } }
@keyframes creation-send { 0% { opacity: 1; transform: translate(0, 0) scale(1); } 100% { opacity: 0; transform: translate(10px, -12px) scale(.75); } }
@keyframes creation-dot { 0%, 65%, 100% { opacity: .45; transform: translateY(0); } 30% { opacity: 1; transform: translateY(-2px); } }
@keyframes creation-panel { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: translateY(0); } }

.model-panel, .pop-panel, .advanced-panel, .reference-link-panel {
  border-color: var(--studio-line); border-radius: 15px; box-shadow: 0 18px 50px rgba(20, 29, 60, .12);
  animation: creation-panel .2s cubic-bezier(.2,.8,.2,1) both;
}
.model-item, .pop-item { border-radius: 9px; }
.model-item-name { font-size: 12px; font-weight: 550; }
.cap-badge { border-radius: 4px; font-size: 9px; }

/* Waiting uses a neutral preview frame, with real task stages. */
body.reference-workspace #stage .project-output-grid .card-generating { padding: 14px; gap: 11px; background: var(--studio-panel); }
body.reference-workspace #stage .gen-preview {
  position: relative; isolation: isolate; overflow: hidden; border: 0; border-radius: 9px;
  background: var(--studio-panel-2); color: var(--studio-muted);
}
.gen-preview::before {
  content: ""; position: absolute; inset: -40%; z-index: -1;
  background: radial-gradient(ellipse at 30% 40%, var(--studio-focus-soft), transparent 45%), radial-gradient(ellipse at 70% 70%, var(--studio-line), transparent 50%);
  animation: creation-atmosphere 8s ease-in-out infinite alternate;
}
.gen-preview::after { content: ""; position: absolute; inset: 0; border: 1px solid color-mix(in srgb, var(--studio-line) 60%, transparent); border-radius: inherit; pointer-events: none; }
.gen-preview svg { width: 44px; height: 34px; opacity: .35; }
.gen-preview span { font-size: 10px; opacity: .65; }
@keyframes creation-atmosphere { from { transform: translate(-6%, -3%) rotate(-8deg); } to { transform: translate(6%, 3%) rotate(8deg); } }
body.reference-workspace #stage .card-media-image { transition: opacity .45s ease; }
body.reference-workspace #stage .card-media-shell.media-loading::after { content: ""; position: absolute; inset: 0; background: linear-gradient(130deg, transparent, var(--creation-light), transparent); animation: creation-wave 2s ease-in-out infinite; }
body.reference-workspace #stage .card { border-radius: 14px; }
body.reference-workspace #viewCreate { position: relative; }
body.reference-workspace #stage { padding-bottom: var(--composer-clearance, 150px); scroll-padding-bottom: var(--composer-clearance, 150px); }
body.reference-workspace #dock {
  position: absolute; inset: auto 0 max(18px, env(safe-area-inset-bottom));
  width: 100%; padding: 0 16px; border: 0; background: transparent;
  box-shadow: none; pointer-events: none;
}
body.reference-workspace #dock #composer { width: min(100%, 760px); margin: 0 auto; padding: 12px 14px 10px; }
body.reference-workspace #dock #composer .composer-writing .prompt-input { height: 34px; min-height: 34px; padding-top: 4px; }
body.reference-workspace #dock #composer .composer-input-row { min-height: 38px; }
body.reference-workspace #dock #composer .composer-bar { margin-top: 8px; }
#stage .inspire-suggestions { margin-top: 17px; }
#stage .reel-chip { box-shadow: none; }

@media (max-width: 760px) {
  #app { padding-left: 0; }
  #stage .hero { padding-top: 84px; padding-bottom: 0; }
  #stage .hero-title { font-size: 30px; }
  #stage .hero-lede { font-size: 12px; }
  #stage > #composer, body.reference-workspace #dock #composer { padding: 13px 12px 10px; border-radius: 17px; }
  #stage > #composer { margin-top: 23px; }
  #composer .composer-primary-controls { gap: 3px; flex-wrap: wrap; }
  #composer #modelChip, body.reference-workspace #dock #composer #modelChip { max-width: 175px; height: 32px; min-height: 32px; padding: 0 8px; }
  #composer #modelChip .chip-label { font-size: 10px; }
  #composer #dockOptionsToggle, body.reference-workspace #dock #composer #dockOptionsToggle { height: 32px; padding: 0 5px; gap: 4px; }
  #composer #dockOptionsToggle span { font-size: 9px; }
  #composer #kindMini, body.reference-workspace #dock #composer #kindMini { display: none !important; }
  #composer.options-open #kindMini,
  body.reference-workspace #dock #composer.options-open #kindMini { display: flex !important; order: 3; }
  #composer .composer-bar > #sendBtn, body.reference-workspace #dock #composer .composer-bar > #sendBtn { width: 35px; min-width: 35px; height: 35px; border-radius: 10px; align-self: flex-end; }
  #composer #composerOptions { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  #composer #composerOptions .chip-key { font-size: 10px; }
  body.reference-workspace #dock { bottom: 10px; padding: 0 10px; }
  body.reference-workspace #stage .project-output-grid .card-generating { padding: 10px; }
  #sidebar .nav-item { border-radius: 9px; }
  #sidebar .nav-item.active { background: var(--studio-accent-soft); }
}
@media (prefers-reduced-motion: reduce) {
  #sidebar, #composer *, #composer, .model-panel, .pop-panel, .advanced-panel,
  .gen-preview::before, #composer > .composer-submit-wave::after, .card-media-shell.media-loading::after { animation: none !important; transition: none !important; }
  #composer #sendBtn.loading svg:not(.send-confirm) { opacity: 0; }
}