:root {
  color-scheme: light;
  font-family: Arial, Helvetica, sans-serif;
  --blue: #0509ca;
  --ink: #10111a;
  --muted: #666b7a;
  --paper: #f5f5fa;
  --line: #ddddea;
  --ok: #12733b;
  --error: #a51d2d;
}

* { box-sizing: border-box; }
html { min-width: 320px; background: var(--paper); }
body { margin: 0; min-height: 100vh; color: var(--ink); overflow-x: clip; }
button, input, textarea { font: inherit; }
a { color: inherit; }

.studio-shell { width: min(1500px, calc(100% - 32px)); margin: 0 auto; padding: 24px 0 64px; }
.studio-header {
  display: flex;
  gap: 24px;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px;
  border: 1px solid rgba(255,255,255,.8);
  border-radius: 22px;
  background: rgba(255,255,255,.9);
  box-shadow: 0 16px 44px rgba(25,27,55,.12);
}
.brand { display: flex; align-items: center; gap: 14px; min-width: 0; }
.brand img { width: 124px; height: 38px; object-fit: contain; }
.brand div { min-width: 0; }
.brand strong { display: block; font-size: 13px; letter-spacing: .05em; text-transform: uppercase; }
.brand span { display: block; margin-top: 3px; color: var(--muted); font-size: 12px; }
.studio-header nav { display: flex; gap: 8px; }
.studio-header nav a { padding: 9px 12px; border-radius: 10px; color: var(--blue); background: #eceeff; font-size: 12px; font-weight: 800; text-decoration: none; }

.hero { padding: 70px 0 42px; display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(320px, .75fr); gap: 42px; align-items: end; }
.hero-copy h1 { max-width: 900px; margin: 0; font-size: clamp(46px, 6.5vw, 108px); line-height: .89; letter-spacing: -.055em; text-transform: uppercase; }
.hero-copy p { max-width: 720px; margin: 24px 0 0; color: var(--muted); font-size: clamp(16px, 1.7vw, 24px); line-height: 1.25; }
.hero-note { padding: 20px; border-left: 7px solid var(--blue); border-radius: 14px; background: white; }
.hero-note strong { display: block; color: var(--blue); font-size: 14px; text-transform: uppercase; }
.hero-note span { display: block; margin-top: 8px; color: var(--muted); font-size: 13px; line-height: 1.45; }

.studio-grid { display: grid; grid-template-columns: minmax(340px, 430px) minmax(0, 1fr); gap: 24px; align-items: start; }
.create-panel, .presentations-panel { border-radius: 24px; background: white; box-shadow: 0 14px 36px rgba(25,27,55,.09); }
.create-panel { position: sticky; top: 20px; padding: 22px; }
.panel-kicker { color: var(--blue); font-size: 10px; font-weight: 900; letter-spacing: .09em; text-transform: uppercase; }
.create-panel h2, .presentations-head h2 { margin: 5px 0 0; font-size: 24px; }
.create-panel form { margin-top: 20px; display: grid; gap: 14px; }
.create-panel label { display: grid; gap: 7px; color: var(--muted); font-size: 12px; }
.create-panel input, .create-panel textarea { width: 100%; padding: 11px 12px; border: 1px solid var(--line); border-radius: 11px; color: var(--ink); background: #fbfbfd; }
.create-panel textarea { min-height: 180px; resize: vertical; line-height: 1.45; }
.create-panel button { min-height: 44px; border: 0; border-radius: 12px; color: white; background: var(--blue); font-weight: 900; cursor: pointer; }
.create-panel button:disabled { opacity: .55; cursor: wait; }
.create-status, .studio-status { min-height: 18px; margin: 12px 0 0; color: var(--muted); font-size: 12px; }
.create-status[data-state="running"] { color: var(--blue); }
.create-status[data-state="ready"] { color: var(--ok); }
.create-status[data-state="error"], .studio-status[data-state="error"] { color: var(--error); }
.design-system-current { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--line); }
.design-system-current a { color: var(--blue); font-size: 13px; font-weight: 900; text-decoration: none; }
.design-system-current span { display: block; margin-top: 5px; color: var(--muted); font-size: 11px; }

.presentations-panel { padding: 22px; }
.presentations-head { display: flex; align-items: end; justify-content: space-between; gap: 20px; }
.presentation-count { min-width: 34px; height: 34px; display: grid; place-items: center; border-radius: 50%; color: white; background: var(--blue); font-weight: 900; }
.presentation-list { margin-top: 18px; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: 14px; }
.presentation-empty { margin-top: 18px; padding: 34px; border: 1px dashed #c9cad8; border-radius: 16px; color: var(--muted); text-align: center; }
.presentation-card { min-width: 0; padding: 16px; border: 1px solid var(--line); border-radius: 16px; background: #fafafd; }
.presentation-card-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.presentation-card-head > div { min-width: 0; }
.presentation-profile { color: var(--blue); font-size: 9px; font-weight: 900; letter-spacing: .05em; text-transform: uppercase; }
.presentation-card h2 { margin: 5px 0 0; overflow: hidden; font-size: 18px; line-height: 1.1; text-overflow: ellipsis; }
.presentation-revision { min-width: 36px; padding: 6px 8px; border-radius: 9px; color: var(--blue); background: #eaebff; font-size: 11px; font-weight: 900; text-align: center; }
.presentation-card dl { margin: 16px 0; display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 6px 10px; font-size: 11px; }
.presentation-card dt { color: var(--muted); }
.presentation-card dd { margin: 0; overflow: hidden; font-weight: 700; text-align: right; text-overflow: ellipsis; white-space: nowrap; }
.presentation-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.presentation-links a { padding: 8px; border-radius: 9px; color: var(--blue); background: #eceeff; font-size: 11px; font-weight: 900; text-align: center; text-decoration: none; }
.presentation-links a:first-child { color: white; background: var(--blue); }

@media (max-width: 960px) {
  .hero, .studio-grid { grid-template-columns: minmax(0, 1fr); }
  .create-panel { position: static; }
}

@media (max-width: 620px) {
  .studio-shell { width: min(100% - 20px, 1500px); padding-top: 10px; }
  .studio-header { align-items: flex-start; flex-direction: column; }
  .hero { padding-top: 42px; }
  .hero-copy h1 { font-size: clamp(42px, 15vw, 74px); }
}