:root {
  --bg: #121212;
  --panel: #1e1e1e;
  --muted: #888;
  --text: #e0e0e0;
  --accent: #f71900;
  --radius: 12px;
  --gap: 20px;
}

body {
  font-family: 'Fira Code', monospace;
  background-color: var(--bg);
  color: var(--text);
  margin: 40px;
}

.center {
  max-width: 800px;
  margin: 0 auto;
}

h1 {
  text-align: center;
  margin-bottom: 10px;
}

p {
  text-align: center;
  color: var(--muted);
}

.card {
  background-color: var(--panel);
  padding: 22px;
  border-radius: var(--radius);
  margin-top: 20px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 16px rgba(0,0,0,0.25);
}

.heading {
  font-size: 18px;
  margin-bottom: 14px;
  font-weight: 600;
}

/* Drop Zone */
.drop-zone {
  background-color: #2a2a2a;
  border: 2px dashed #444;
  border-radius: var(--radius);
  padding: 30px;
  text-align: center;
  margin-bottom: 18px;
  cursor: pointer;
  transition: border-color 0.3s ease, background-color 0.3s ease;
}
.drop-zone.drag-over {
  border-color: var(--accent);
  background-color: #1b1b1b;
}
.drop-zone p {
  margin: 0;
  color: var(--muted);
}

/* Location Buttons */
.location-buttons {
  margin-bottom: 18px;
  background: #2a2a2a;
  border-radius: var(--radius);
  padding: 14px;
  text-align: center;
}

.loc-label {
  margin: 0 0 10px 0;
  color: var(--muted);
  font-size: 14px;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.loc-btn {
  background: #1b1b1b;
  color: var(--text);
  border: 1px solid #333;
  border-radius: 8px;
  padding: 8px 14px;
  font-family: 'Fira Code', monospace;
  cursor: pointer;
  transition: all 0.2s ease;
}

.loc-btn:hover {
  background: #252525;
  border-color: var(--accent);
}

.loc-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: 0 0 8px rgba(247,25,0,0.5);
}

/* Checkbox + Button */
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  font-size: 14px;
  margin-bottom: 16px;
}

.btn {
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 8px;
  padding: 10px 16px;
  font-family: 'Fira Code', monospace;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease, filter 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
}
.btn:hover {
  filter: brightness(1.15);
  transform: translateY(-2px);
}

.result {
  margin-top: 16px;
  text-align: center;
  word-break: break-all;
}
.result a {
  color: var(--accent);
}

hr {
  border: 0;
  height: 1px;
  background: #333;
  margin: 30px 0;
}