:root {
  --bg:        #0d0d0d;
  --bgtop:     #0d0d0d;
  --surface:   #161616;
  --surface-2: #1f1f1f;
  --border:    #262626;
  --text:      #ededed;
  --text-mute: #888;
  --accent:    #5eead4;
  --accent-h:  #2dd4bf;
  --danger:    #f87171;
  --font-mono: ui-monospace, "JetBrains Mono", "Cascadia Code", "SF Mono", Menlo, Consolas, monospace;
  --font-sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg:        #fafaf9;
    --bgtop:     #0d0d0d;
    --surface:   #ffffff;
    --surface-2: #f5f5f4;
    --border:    #e7e5e4;
    --text:      #1c1917;
    --text-mute: #78716c;
    --accent:    #0f766e;
    --accent-h:  #115e59;
    --danger:    #b91c1c;
  }
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { background: var(--bg); color: var(--text); }
body {
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.55;
  min-height: 100vh;
  display: flex; flex-direction: column;
}

/* ===== Top bar (logo strip) ===== */
.topbar {
  height: 70px;
  flex: 0 0 70px;
  background: var(--bgtop);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 1.5rem;
}
.topbar-logo {
  display: block;
  height: 60px;
  line-height: 0;          /* drop the inline-baseline gap under <img> */
}
.topbar-logo img {
  height: 100%;
  width: auto;
  display: block;
}

main {
  flex: 1;
  width: 100%;
  max-width: 640px;
  margin: 0 auto;
  padding: 3rem 1.5rem 2rem;  /* tightened top — topbar provides initial spacing */
}

header { margin-bottom: 2.5rem; }
.eyebrow {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}
h1 {
  font-family: var(--font-mono);
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin-bottom: 0.6rem;
}
.lede {
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--text-mute);
}

form { display: flex; flex-direction: column; gap: 1.1rem; margin-bottom: 1.5rem; }
label { display: flex; flex-direction: column; gap: 0.45rem; }
label > span {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-mute);
}
input {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 2px;
  color: var(--text);
  font: 14px var(--font-mono);
  padding: 0.7rem 0.9rem;
  width: 100%;
  transition: border-color 120ms;
}
input:focus { outline: none; border-color: var(--accent); }

select {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 2px;
  color: var(--text);
  font: 14px var(--font-mono);
  padding: 0.7rem 0.9rem;
  width: 100%;
  cursor: pointer;
  transition: border-color 120ms;
}
select:focus { outline: none; border-color: var(--accent); }
select:disabled { opacity: 0.5; cursor: not-allowed; }

.row { display: flex; gap: 0.5rem; align-items: stretch; }
.row > *:first-child { flex: 1 1 auto; min-width: 0; }
.row > button { flex: 0 0 auto; align-self: stretch; }

button {
  align-self: flex-start;
  background: var(--accent);
  border: none;
  border-radius: 0;
  color: var(--bg);
  cursor: pointer;
  font: 600 13px var(--font-mono);
  letter-spacing: 0.02em;
  padding: 0.75rem 1.4rem;
  text-transform: lowercase;
  transition: background-color 120ms;
}
button:hover { background: var(--accent-h); }
button:disabled { opacity: 0.4; cursor: not-allowed; }

button.ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 11px;
  padding: 0.4rem 0.75rem;
  letter-spacing: 0.05em;
}
button.ghost:hover { border-color: var(--accent); color: var(--accent); background: transparent; }

/* === Ticket (signature element) === */
.ticket {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  margin-top: 1.75rem;
}
.ticket-tag {
  position: absolute;
  top: 0;
  left: 1.25rem;
  transform: translateY(-50%);
  background: var(--bg);
  padding: 0 0.55rem;
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}
.ticket-body { padding: 1.5rem 1.25rem 1.1rem; }
.ticket-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.75rem;
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--text-mute);
  margin-bottom: 1rem;
}
.ticket-meta strong { color: var(--text); font-weight: 500; }
.ticket-perforation {
  border-top: 1px dashed var(--border);
  margin: 1.1rem -1.25rem;
}
.ticket-token {
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 0.9rem 1rem;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.01em;
  word-break: break-all;
  margin-bottom: 1rem;
  user-select: all;
}
.ticket-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.ticket pre {
  font: 11px/1.45 var(--font-mono);
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 0.75rem;
  overflow-x: auto;
  white-space: pre;
  max-height: 200px;
  margin-bottom: 0.75rem;
}
.note {
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--text-mute);
  margin-top: 0.85rem;
  padding-left: 0.85rem;
  border-left: 2px solid var(--accent);
}
.note.warn { border-left-color: var(--danger); color: var(--text); }
.ticket.error { border-color: var(--danger); }
.ticket.error .ticket-tag { color: var(--danger); }
.ticket.error p {
  font-family: var(--font-sans);
  color: var(--text-mute);
}
.expired { color: var(--danger); }

footer {
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-align: center;
  color: var(--text-mute);
  padding: 2rem 1rem 2.5rem;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}