:root {
  --bg: #0e1016;
  --bg-soft: #161923;
  --card: #1a1e2b;
  --border: #2a3042;
  --text: #eef1f8;
  --muted: #9aa3b8;
  --accent: #7c5cff;
  --accent-2: #22d3a5;
  --error: #ff6b7a;
  --radius: 16px;
  font-size: 16px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  background:
    radial-gradient(1000px 500px at 80% -10%, rgba(124, 92, 255, 0.18), transparent 60%),
    radial-gradient(800px 400px at 10% 110%, rgba(34, 211, 165, 0.10), transparent 60%),
    var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 20px 40px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

/* ---------- Hero ---------- */
.hero { text-align: center; }

.badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-2);
  background: rgba(34, 211, 165, 0.1);
  border: 1px solid rgba(34, 211, 165, 0.3);
  border-radius: 999px;
  padding: 4px 14px;
  margin-bottom: 16px;
}

h1 {
  font-size: clamp(2.4rem, 7vw, 3.6rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.accent {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.tagline { margin-top: 12px; color: var(--muted); }
.tagline strong { color: var(--text); }

/* ---------- Card / form ---------- */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

.field-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.input-row { display: flex; gap: 12px; }

#url-input {
  flex: 1;
  min-width: 0;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  color: var(--text);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.95rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

#url-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(124, 92, 255, 0.25);
}

#submit-btn {
  background: linear-gradient(120deg, var(--accent), #9d7bff);
  color: #fff;
  border: none;
  border-radius: 12px;
  padding: 14px 22px;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.15s, filter 0.15s;
}

#submit-btn:hover { filter: brightness(1.1); transform: translateY(-1px); }
#submit-btn:active { transform: translateY(0); }
#submit-btn:disabled { opacity: 0.6; cursor: wait; transform: none; }

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
  font-size: 0.9rem;
  color: var(--muted);
  cursor: pointer;
  user-select: none;
}

.checkbox-row input {
  accent-color: var(--accent);
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.checkbox-row:hover span { color: var(--text); }

.custom-story { margin-top: 14px; }

#story-input {
  width: 100%;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  color: var(--text);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
  resize: vertical;
  min-height: 100px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

#story-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(124, 92, 255, 0.25);
}

.char-hint {
  margin-top: 6px;
  font-size: 0.78rem;
  color: var(--muted);
  text-align: right;
}

.error {
  margin-top: 12px;
  color: var(--error);
  font-size: 0.9rem;
}

/* ---------- Result ---------- */
.result {
  margin-top: 24px;
  border-top: 1px dashed var(--border);
  padding-top: 20px;
  animation: slide-in 0.35s ease;
}

@keyframes slide-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.result-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-weight: 700;
  margin-bottom: 12px;
}

.gain {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent-2);
  background: rgba(34, 211, 165, 0.1);
  border-radius: 999px;
  padding: 3px 12px;
}

.result-url-wrap {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  overflow-x: auto;
}

.result-url {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.88rem;
  color: var(--accent-2);
  text-decoration: none;
  word-break: break-all;
}

.result-url:hover { text-decoration: underline; }

.result-actions { display: flex; gap: 10px; margin-top: 14px; }

.ghost-btn {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  padding: 9px 16px;
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: border-color 0.2s, background 0.2s;
}

.ghost-btn:hover { border-color: var(--accent); background: rgba(124, 92, 255, 0.08); }

/* ---------- Stats ---------- */
.stats {
  display: flex;
  justify-content: center;
  gap: 48px;
}

.stat { text-align: center; }

.stat-num {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.stat-label { color: var(--muted); font-size: 0.85rem; }

/* ---------- Recent ---------- */
.recent h2 {
  font-size: 1rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}

#recent-list { list-style: none; display: flex; flex-direction: column; gap: 8px; }

#recent-list li {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

#recent-list a {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--text);
  text-decoration: none;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#recent-list a:hover { color: var(--accent-2); }

.click-count {
  flex-shrink: 0;
  font-size: 0.75rem;
  color: var(--muted);
}

/* ---------- Footer & 404 ---------- */
footer { text-align: center; color: var(--muted); font-size: 0.82rem; }

.center-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 16px;
  padding: 20px;
}

.center-page h1 { font-size: 4rem; }

@media (max-width: 560px) {
  .input-row { flex-direction: column; }
  #submit-btn { width: 100%; }
  .stats { gap: 28px; }
}