/* Same design tokens as hive-scope (sibling project), so both sites feel
   like part of the same family: dark background with a gradient, "glass"
   cards (glassmorphism), and red/cyan as brand colors. */
:root {
  --bg: #090d16;
  --bg-gradient: radial-gradient(circle at 50% -20%, #1e1b4b 0%, #090d16 80%);
  --card-bg: rgba(15, 23, 42, 0.65);
  --card-border: rgba(255, 255, 255, 0.08);
  --card-hover-border: rgba(239, 68, 68, 0.4);
  --primary: #ef4444;
  --primary-glow: rgba(239, 68, 68, 0.25);
  --text: #f8fafc;
  --text-muted: #64748b;
  --text-sub: #94a3b8;
  --accent: #38bdf8;
  --accent-glow: rgba(56, 189, 248, 0.25);
  --success: #10b981;
  --error: #f87171;
  --radius: 16px;
}

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

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  background-image: var(--bg-gradient);
  color: var(--text);
  min-height: 100vh;
  padding: 15px 20px 40px;
  line-height: 1.5;
}

.container {
  max-width: 720px;
  margin: 0 auto;
}

/* ---------- Top bar: language button ---------- */

.top-bar {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 5px;
}

.lang-btn {
  background: var(--card-bg);
  color: var(--text-sub);
  border: 1px solid var(--card-border);
  padding: 8px 16px;
  border-radius: 99px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.85rem;
  backdrop-filter: blur(12px);
  transition: all 0.2s ease;
  font-family: inherit;
}

.lang-btn:hover {
  border-color: var(--primary);
  color: #fff;
  box-shadow: 0 0 15px var(--primary-glow);
}

/* ---------- Header / logo ---------- */

header {
  text-align: center;
  margin-bottom: 30px;
}

.logo-container {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  padding: 8px 20px;
  border-radius: 99px;
  margin-bottom: 16px;
}

.subtitle-neon {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent);
  text-shadow: 0 0 10px rgba(56, 189, 248, 0.6), 0 0 20px rgba(56, 189, 248, 0.3);
  letter-spacing: 0.3px;
  max-width: 520px;
  margin: 0 auto;
}

/* ---------- Tabs ---------- */

.tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 28px;
}

.tab-btn {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-sub);
  border: 1px solid var(--card-border);
  padding: 10px 22px;
  border-radius: 99px;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: inherit;
  transition: all 0.2s ease;
}

.tab-btn:hover {
  border-color: var(--primary);
  color: #fff;
}

.tab-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  box-shadow: 0 4px 20px var(--primary-glow);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

/* ---------- Cards ---------- */

.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
  backdrop-filter: blur(16px);
  transition: border-color 0.25s ease;
}

.card:hover {
  border-color: var(--card-hover-border);
}

.card h2 {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 10px;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 10px;
}

.card h2::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 16px;
  background: var(--primary);
  border-radius: 2px;
}

.help {
  color: var(--text-sub);
  font-size: 0.92rem;
  margin-bottom: 16px;
}

.help strong {
  color: var(--text);
}

/* ---------- Forms ---------- */

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

label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--text-sub);
}

.checkbox-label {
  flex-direction: row;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}

.checkbox-label input {
  width: auto;
  accent-color: var(--primary);
}

input:not([type="checkbox"]),
textarea {
  padding: 12px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--card-border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  font-size: 0.95rem;
  font-family: inherit;
  outline: none;
  transition: all 0.2s ease;
}

input:not([type="checkbox"]):focus,
textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 20px var(--primary-glow);
}

textarea {
  resize: vertical;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
}

button {
  padding: 12px 20px;
  border: none;
  border-radius: var(--radius);
  background: var(--primary);
  color: white;
  font-size: 0.95rem;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  box-shadow: 0 4px 20px var(--primary-glow);
  transition: all 0.2s ease;
}

button:hover:not(:disabled) {
  transform: translateY(-1px);
  background: #dc2626;
}

button:disabled {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
  cursor: not-allowed;
  box-shadow: none;
}

/* Secondary buttons (copy, check status): more subdued than the main
   action of each card. */
#btn-copiar-texto,
#btn-actualizar-estado {
  background: rgba(56, 189, 248, 0.1);
  color: var(--accent);
  box-shadow: none;
  border: 1px solid rgba(56, 189, 248, 0.3);
}

#btn-copiar-texto:hover:not(:disabled),
#btn-actualizar-estado:hover:not(:disabled) {
  background: rgba(56, 189, 248, 0.2);
  transform: none;
}

.hidden {
  display: none;
}

.estado {
  font-weight: 600;
  font-size: 0.9rem;
  margin: 4px 0;
  color: var(--accent);
}

/* ---------- Results ---------- */

.resultado {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--card-border);
}

.resultado h3 {
  font-size: 1rem;
  color: var(--text-sub);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 10px;
}

.resultado p {
  margin: 6px 0;
  font-size: 0.92rem;
}

.resultado .ganador {
  font-size: 1.3rem;
  font-weight: 700;
  margin-top: 14px;
}

.resultado .ganador strong {
  font-family: 'JetBrains Mono', monospace;
  color: var(--accent);
  text-shadow: 0 0 10px var(--accent-glow);
}

.resultado .ok {
  color: var(--success);
  font-weight: 600;
}

.resultado .error {
  color: var(--error);
  font-weight: 600;
}

.resultado details {
  margin: 10px 0;
  font-size: 0.88rem;
  color: var(--text-sub);
}

.resultado summary {
  cursor: pointer;
  color: var(--accent);
  font-weight: 600;
}

.resultado ol {
  margin: 10px 0 0 20px;
  color: var(--text-sub);
}

code {
  background: rgba(56, 189, 248, 0.1);
  color: var(--accent);
  padding: 2px 8px;
  border-radius: 4px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85em;
  word-break: break-all;
}

/* ---------- Footer ---------- */

footer {
  text-align: center;
  padding: 30px 0 10px;
  margin-top: 20px;
  border-top: 1px solid var(--card-border);
  font-size: 0.85rem;
  color: var(--text-muted);
}

footer code {
  background: transparent;
  color: var(--text-muted);
  padding: 0;
}

footer p + p {
  margin-top: 6px;
}

footer a {
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
  transition: color 0.2s ease;
}

footer a:hover {
  color: var(--primary);
}

footer .heart {
  color: var(--primary);
  display: inline-block;
  transition: transform 0.2s ease;
}

footer:hover .heart {
  transform: scale(1.25);
}