:root {
  --bg: #1c1310;
  --surface: #2e2018;
  --text: #f4deb8;
  --muted: #e8c28a;
  --accent: #d4975c;
  --accent-hover: #e8c28a;
  --error: #ef4444;
}

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

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2rem;
}

a {
  color: #d4975c;
  text-decoration: none;
  transition: opacity 0.2s;
}

a:hover {
  opacity: 0.8;
}

.container {
  max-width: 520px;
  width: 100%;
  text-align: center;
}

h1 {
  font-size: 2.5rem;
  margin-bottom: 0.25rem;
  letter-spacing: -0.02em;
}

.tagline {
  color: var(--muted);
  font-size: 1rem;
  margin-bottom: 2rem;
}

.input-group {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

input {
  flex: 1;
  padding: 0.875rem 1rem;
  border-radius: 10px;
  border: 1px solid #d4975c;
  background: var(--surface);
  color: var(--text);
  font-size: 1rem;
  transition: border-color 0.2s;
}

input:focus {
  outline: none;
  border-color: var(--accent);
}

input::placeholder {
  color: var(--muted);
}

button {
  padding: 0.875rem 1.75rem;
  border-radius: 10px;
  border: none;
  background: var(--accent);
  color: white;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}

button:hover {
  background: var(--accent-hover);
}

button:active {
  transform: scale(0.98);
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.result-area {
  margin-top: 1.5rem;
  display: none;
}

.result-box {
  background: var(--surface);
  padding: 1rem 1.25rem;
  border-radius: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.short-link {
  font-family: 'SF Mono', 'Fira Code', monospace;
  color: var(--accent);
  word-break: break-all;
  text-align: left;
}

.copy-btn {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  background: transparent;
  border: 1px solid var(--accent);
}

.copy-btn:hover {
  background: rgba(212, 151, 92, 0.15);
}

.message {
  margin-top: 0.75rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.error-msg {
  color: var(--error);
  margin-top: 0.75rem;
  font-size: 0.9rem;
  display: none;
}

footer {
  margin-top: 2rem;
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.5;
}

.badge {
  display: inline-block;
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent);
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
  font-size: 0.75rem;
  margin-left: 0.5rem;
  vertical-align: middle;
}
@media (max-width: 480px) {
  .input-group {
    flex-direction: column;
  }

  button {
    width: 100%;
  }

  .result-box {
    flex-direction: column;
    text-align: center;
  }
}