:root {
  --bg: #12161f;
  --card: #212636;
  --ember: #f58029;
  --cream: #f7eddb;
  --muted: #b3b7c7;
  --line: rgba(255, 255, 255, 0.08);
  font-family: "Segoe UI", ui-rounded, system-ui, sans-serif;
  color: var(--cream);
  background: var(--bg);
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; background: var(--bg); }
body { min-height: 100dvh; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.screen { min-height: 100dvh; }
.wrap { width: min(40rem, 100%); margin: 0 auto; padding: 1.5rem 1.25rem 6rem; }
.stage { width: min(40rem, 100%); margin: 0 auto; position: relative; }
.panel {
  width: 100%;
  padding: 1.5rem 1.25rem 6rem;
  box-sizing: border-box;
  opacity: 0;
  transform: translateY(14px);
  visibility: hidden;
  pointer-events: none;
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
}
.panel.is-active {
  opacity: 1;
  transform: none;
  visibility: visible;
  pointer-events: auto;
  position: relative;
}
.top { width: min(40rem, 100%); margin: 0 auto; padding: 1.5rem 1.25rem 0; }
#app-title { transition: opacity 0.22s ease; }
#app-title.is-swap { opacity: 0; }

.eyebrow {
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.72rem;
  color: var(--ember);
  margin: 0 0 0.4rem;
}

h1 { font-size: clamp(1.8rem, 5vw, 2.4rem); line-height: 1.15; margin: 0 0 0.75rem; }
.lede, .muted, .fine { color: var(--muted); }
.lede { font-size: 1.05rem; line-height: 1.5; }
.fine { font-size: 0.85rem; line-height: 1.45; }

.card, .choice, .ad {
  background: var(--card);
  border-radius: 1.3rem;
  padding: 1.15rem 1.2rem;
}

.card + .primary, .card + .ghost, .primary + .ghost { margin-top: 0.9rem; }
.stack, .ob-list { display: grid; gap: 0.85rem; }
.ob-list { margin: 1.25rem 0 1.75rem; padding: 0; list-style: none; }
.ob-list li { display: flex; gap: 0.7rem; align-items: flex-start; }
.ob-list span { color: var(--ember); }

.choice {
  width: 100%;
  border: 1.5px solid transparent;
  color: var(--cream);
  text-align: left;
  cursor: pointer;
}
.choice.on { border-color: var(--ember); }
.choice strong { display: block; margin-bottom: 0.2rem; }

button, select, input, textarea {
  font: inherit;
}
.primary, .ghost, .danger, .icon-btn {
  border: 0;
  cursor: pointer;
}
.primary, .ghost, .danger {
  width: 100%;
  border-radius: 999px;
  padding: 0.9rem 1.1rem;
  font-weight: 650;
}
.primary { background: var(--ember); color: #1a1008; }
.primary:disabled { opacity: 0.55; cursor: wait; }
.ghost { background: transparent; color: var(--cream); border: 1px solid var(--line); }
.danger { background: transparent; color: #ffb4a9; border: 1px solid rgba(255, 180, 169, 0.35); }
.row { display: flex; gap: 0.6rem; }
.row > * { flex: 1; }

.banner {
  background: rgba(245, 128, 41, 0.14);
  color: var(--ember);
  border-radius: 0.9rem;
  padding: 0.75rem 0.9rem;
  font-size: 0.9rem;
}
.chip {
  display: inline-block;
  background: rgba(245, 128, 41, 0.18);
  color: var(--ember);
  border-radius: 999px;
  padding: 0.2rem 0.55rem;
  font-size: 0.72rem;
  font-weight: 700;
}
.roast-text { font-size: 1.35rem; font-weight: 700; line-height: 1.35; margin: 0.7rem 0; }
.ad { margin-top: 1rem; color: var(--muted); font-size: 0.88rem; }
.ad-kicker { color: var(--ember); font-size: 0.72rem; font-weight: 700; margin: 0 0 0.25rem; }

.chat { display: grid; gap: 0.65rem; margin: 1rem 0; }
.bubble {
  max-width: 85%;
  padding: 0.75rem 0.9rem;
  border-radius: 1rem;
  line-height: 1.4;
}
.bubble.user { margin-left: auto; background: var(--ember); color: #1a1008; }
.bubble.assistant { background: var(--card); }

.composer {
  display: flex;
  gap: 0.55rem;
  align-items: flex-end;
  position: sticky;
  bottom: 4.5rem;
}
.composer textarea {
  flex: 1;
  resize: none;
  min-height: 2.8rem;
  max-height: 8rem;
  border: 0;
  border-radius: 1rem;
  padding: 0.75rem 0.9rem;
  background: var(--card);
  color: var(--cream);
}
.icon-btn {
  width: 2.8rem;
  height: 2.8rem;
  border-radius: 50%;
  background: var(--ember);
  color: #1a1008;
  font-size: 1.2rem;
}

label { display: grid; gap: 0.4rem; font-weight: 600; }
label.check { display: flex; gap: 0.6rem; align-items: center; font-weight: 500; }
input[type="url"], select {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--cream);
  border-radius: 0.8rem;
  padding: 0.7rem 0.8rem;
}

.tabs {
  position: fixed;
  left: 50%;
  bottom: 0.7rem;
  transform: translateX(-50%);
  width: min(40rem, calc(100% - 1.2rem));
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.35rem;
  background: #1a1f2c;
  padding: 0.35rem;
  border-radius: 999px;
  border: 1px solid var(--line);
}
.tab {
  border: 0;
  background: transparent;
  color: var(--muted);
  border-radius: 999px;
  padding: 0.7rem 0.4rem;
  font-weight: 650;
  cursor: pointer;
  transition: background-color 0.28s ease, color 0.28s ease, transform 0.28s ease;
}
.tab.on { background: var(--ember); color: #1a1008; transform: scale(1.03); }

@media (prefers-reduced-motion: no-preference) {
  .panel {
    transition: opacity 0.32s ease, transform 0.32s ease, visibility 0.32s;
  }
}

@media (prefers-reduced-motion: reduce) {
  .panel, .tab, #app-title { transition: none; }
  .tab.on { transform: none; }
}

[hidden] { display: none !important; }