:root {
  --bg: #0f172a;
  --panel: #111827;
  --panel-2: #0b1224;
  --accent: #f6c744;
  --text: #e5e7eb;
  --muted: #94a3b8;
  --border: #1f2937;
  --shadow: 0 25px 80px rgba(0, 0, 0, 0.35);
  --radius: 14px;
  --font: "Work Sans", system-ui, -apple-system, sans-serif;
  --font-display: "Playfair Display", "Times New Roman", serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font);
  background: radial-gradient(circle at 15% 20%, #1f2937 0, transparent 28%),
    radial-gradient(circle at 80% 0%, #111827 0, transparent 25%), var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.shell {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 28px;
}

.brand {
  display: flex;
  gap: 14px;
  align-items: center;
}

.logo {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: conic-gradient(from 120deg, #f6c744, #f97316, #f6c744);
  display: grid;
  place-items: center;
  font-weight: 700;
  color: #111827;
  font-size: 18px;
  box-shadow: var(--shadow);
}

h1 {
  font-family: var(--font-display);
  letter-spacing: 0.4px;
  margin: 0;
}

h2 {
  margin: 6px 0;
  font-family: var(--font-display);
}

.eyebrow {
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--muted);
  font-size: 12px;
  margin: 0;
}

.nav {
  display: flex;
  gap: 8px;
}

.nav-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.2s ease;
}

.nav-btn.active,
.nav-btn:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.08);
}

.panel {
  background: linear-gradient(180deg, var(--panel) 0%, var(--panel-2) 100%);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  padding: 20px;
  margin-top: 18px;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  color: var(--text);
  font-weight: 600;
}

textarea,
input {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  padding: 12px 14px;
  font-size: 15px;
  font-family: var(--font);
}

textarea:focus,
input:focus {
  outline: 2px solid rgba(246, 199, 68, 0.5);
  border-color: rgba(246, 199, 68, 0.4);
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.primary {
  background: linear-gradient(135deg, #f6c744, #f97316);
  border: none;
  color: #0f172a;
  padding: 12px 16px;
  border-radius: 12px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 10px 40px rgba(249, 115, 22, 0.35);
  transition: transform 0.15s ease, box-shadow 0.2s ease;
}

.hint {
  color: var(--muted);
  font-size: 14px;
}

.answers {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  background: rgba(255, 255, 255, 0.02);
  position: relative;
  overflow: hidden;
}

.card h3 {
  margin: 0 0 8px 0;
}

.status {
  font-size: 13px;
  color: var(--muted);
}

.body {
  color: var(--text);
  line-height: 1.6;
}

ol {
  margin: 8px 0;
  padding-left: 20px;
}

.note {
  margin-top: 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 12px;
  color: var(--muted);
}

.hidden {
  display: none;
}

.primary:active {
  transform: translateY(1px);
}

.sending .primary {
  transform: translateY(-1px) scale(1.01);
  box-shadow: 0 12px 50px rgba(246, 199, 68, 0.45);
}

.sending-banner {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at 20% 30%, rgba(246, 199, 68, 0.08), transparent 35%),
    radial-gradient(circle at 80% 20%, rgba(249, 115, 22, 0.08), transparent 30%);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.sending-overlay {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.25s ease;
  color: var(--text);
  text-align: center;
  gap: 12px;
  background: radial-gradient(circle at 50% 30%, rgba(17, 24, 39, 0.35), rgba(15, 23, 42, 0.65));
}

.spinner {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 4px solid rgba(246, 199, 68, 0.2);
  border-top-color: #f6c744;
  animation: spin 1s linear infinite, glow 1.6s ease-in-out infinite;
}

.sending-copy {
  font-weight: 700;
  letter-spacing: 0.4px;
  font-size: 16px;
}

.sending .sending-banner {
  opacity: 1;
}

.sending .sending-overlay {
  opacity: 1;
}

.sending .brand .logo {
  animation: pulse 1.4s ease-in-out infinite;
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.06);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes glow {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(246, 199, 68, 0.4);
  }
  50% {
    box-shadow: 0 0 0 10px rgba(246, 199, 68, 0);
  }
}

.pill-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pill {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  cursor: pointer;
  font-weight: 600;
  transition: all 0.15s ease;
}

.pill.selected {
  background: linear-gradient(135deg, #f6c744, #f97316);
  color: #0f172a;
  border-color: transparent;
}

.pill:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.secondary {
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 10px;
  cursor: pointer;
}

.share-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: center;
  margin-top: 10px;
}

.share-row input {
  width: 100%;
}

@media (max-width: 640px) {
  header,
  .panel-head,
  .actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav {
    width: 100%;
  }

  .nav-btn {
    flex: 1;
    text-align: center;
  }
}