:root {
  --bg: #101014;
  --panel: #1b1b22;
  --panel2: #242431;
  --text: #f5f3ff;
  --muted: #a6a1b8;
  --line: rgba(255,255,255,.12);
  --accent: #8b5cf6;
  --accent2: #14f1c9;
  --hot: #ff78c8;
  --good: #44d78f;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at 15% 5%, rgba(139,92,246,.26), transparent 34rem),
    radial-gradient(circle at 80% 12%, rgba(20,241,201,.14), transparent 30rem),
    radial-gradient(circle at 50% 100%, rgba(255,120,200,.12), transparent 32rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
}

button, input { font: inherit; }

.app {
  max-width: 1120px;
  min-height: 100vh;
  margin: 0 auto;
  padding: 28px;
  display: flex;
  flex-direction: column;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--text);
  text-decoration: none;
}

.logo {
  width: 58px;
  height: 58px;
  border-radius: 18px;
  object-fit: cover;
  box-shadow: 0 0 42px rgba(139,92,246,.34);
}

.brand strong {
  display: block;
  font-size: 1.8rem;
  letter-spacing: -0.05em;
}

.brand small {
  display: block;
  color: var(--muted);
  font-weight: 700;
}

.signin {
  color: var(--text);
  text-decoration: none;
  background: rgba(255,255,255,.08);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 12px 18px;
  font-weight: 800;
}

.hero {
  flex: 1;
  display: grid;
  place-items: center;
  align-content: center;
  text-align: center;
  padding: 70px 0 42px;
}

.statusline {
  min-height: 24px;
  color: var(--accent2);
  text-transform: uppercase;
  letter-spacing: .22em;
  font-size: .85rem;
  font-weight: 900;
}

h1 {
  margin: 12px 0 28px;
  font-size: clamp(3rem, 8vw, 5.8rem);
  line-height: .92;
  letter-spacing: -.075em;
}

.prompt-shell {
  width: min(880px, 100%);
  display: grid;
  grid-template-columns: 54px 1fr auto 54px;
  gap: 10px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  box-shadow: 0 26px 90px rgba(0,0,0,.34);
  backdrop-filter: blur(18px);
}

.prompt-shell.drag-ready {
  border-color: var(--accent2);
  box-shadow: 0 0 0 6px rgba(20,241,201,.12), 0 26px 90px rgba(0,0,0,.34);
}

#promptInput {
  min-width: 0;
  border: 0;
  outline: 0;
  color: var(--text);
  background: transparent;
  font-size: 1.18rem;
}

#promptInput::placeholder { color: #8f8a9e; }

.icon-btn,
.send-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 0;
  color: var(--text);
  cursor: pointer;
}

.icon-btn {
  background: transparent;
  font-size: 2rem;
}

.send-btn {
  background: linear-gradient(135deg, var(--accent), var(--hot));
  font-size: 1.55rem;
  font-weight: 900;
}

.upload-btn {
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.08);
  color: var(--text);
  font-weight: 900;
  cursor: pointer;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 22px;
}

.chip {
  border: 1px solid var(--line);
  background: rgba(255,255,255,.06);
  color: var(--muted);
  border-radius: 999px;
  padding: 13px 18px;
  font-weight: 850;
  cursor: pointer;
  transition: transform .14s ease, background .14s ease, color .14s ease;
}

.chip:hover,
.upload-btn:hover,
.icon-btn:hover,
.signin:hover {
  transform: translateY(-1px);
  background: rgba(255,255,255,.12);
  color: var(--text);
}

.drop-hint {
  color: var(--muted);
  margin-top: 18px;
}

.result {
  width: min(880px, 100%);
  margin: 0 auto 48px;
  padding: 24px;
  background: rgba(255,255,255,.08);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: 0 26px 90px rgba(0,0,0,.32);
}

.hidden { display: none; }

.result-head {
  border-bottom: 1px solid var(--line);
  padding-bottom: 18px;
  margin-bottom: 18px;
}

#resultBadge {
  display: inline-flex;
  margin-bottom: 10px;
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(20,241,201,.14);
  color: var(--accent2);
  font-size: .78rem;
  font-weight: 950;
  letter-spacing: .16em;
}

.result h2 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.4rem);
  letter-spacing: -.06em;
  line-height: .95;
}

.result p,
.preview-card li,
.locked-card li {
  color: var(--muted);
  line-height: 1.55;
}

.preview-card,
.locked-card,
.unlock-note {
  display: block;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255,255,255,.055);
  margin-top: 14px;
}

.preview-card h3,
.locked-card h3 {
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: .18em;
  font-size: .82rem;
  color: var(--accent2);
}

.locked-card { border-color: rgba(255,120,200,.34); }

.unlock-note strong { display: block; }
.unlock-note span { display: block; color: var(--muted); margin-top: 4px; }

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}

.primary,
.secondary {
  border: 0;
  border-radius: 16px;
  padding: 15px 20px;
  font-weight: 950;
  cursor: pointer;
}

.primary {
  background: linear-gradient(135deg, var(--accent2), var(--accent));
  color: #050508;
}

.secondary {
  background: rgba(255,255,255,.1);
  color: var(--text);
  border: 1px solid var(--line);
}

.fine-print {
  margin: 12px 0 0;
  color: rgba(245,243,255,.54);
  font-size: .82rem;
}

.footer {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  color: var(--muted);
  font-size: .9rem;
  padding-bottom: 18px;
}

.footer span:first-child {
  color: var(--text);
  font-weight: 900;
}

@media (max-width: 720px) {
  .app { padding: 18px; }

  .topbar {
    gap: 16px;
    align-items: flex-start;
    flex-direction: column;
  }

  .prompt-shell {
    grid-template-columns: 44px 1fr 48px;
    border-radius: 26px;
  }

  .upload-btn { grid-column: 1 / -1; }
  .send-btn { grid-column: 3; }
}