:root {
  --primary: #4f46e5;
  --primary-dark: #4338ca;
  --accent: #22c55e;
  --dark: #0f172a;
  --muted: #64748b;
  --border: #e5e7eb;
  --bg: #f8fafc;
}

.tool-container {
  max-width: 760px;
  margin: auto;
  padding: 20px;
  font-family: Inter, system-ui, sans-serif;
  background: var(--bg);
}

.tool-header {
  text-align: center;
  margin-bottom: 22px;
}

.tool-header h1 {
  font-size: 30px;
  font-weight: 700;
  color: var(--dark);
}

.tool-header h1 i {
  color: var(--primary);
}

.tool-header p {
  color: var(--muted);
  font-size: 15px;
}

.tool-card {
  background: #ffffff;
  padding: 22px;
  border-radius: 18px;
  box-shadow: 0 14px 40px rgba(15, 23, 42, 0.08);
}

.tool-field {
  margin-bottom: 18px;
}

.tool-field label {
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 8px;
  display: block;
  color: var(--dark);
}

/* STYLE BUTTONS */
.style-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 10px;
}

.style-btn {
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #f1f5f9;
  color: var(--dark);
  cursor: pointer;
  font-weight: 600;
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.style-btn i {
  color: var(--primary);
}

.style-btn:hover {
  background: #e0e7ff;
}

.style-btn.active {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

.style-btn.active i {
  color: #ffffff;
}

/* INPUT */
.tool-field input {
  width: 100%;
  padding: 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  font-size: 15px;
}

/* OPTIONS */
.tool-options {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 14px;
  color: var(--dark);
}

/* MAIN BUTTON */
.tool-btn {
  width: 100%;
  padding: 15px;
  font-size: 17px;
  font-weight: 600;
  border-radius: 14px;
  border: none;
  color: #ffffff;
  cursor: pointer;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.tool-btn i {
  margin-right: 6px;
}

.tool-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 20px rgba(79, 70, 229, 0.3);
}

/* RESULTS */
.tool-result {
  margin-top: 22px;
}

.result-item {
  background: #f1f5f9;
  padding: 12px 14px;
  border-radius: 12px;
  margin-bottom: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  color: var(--dark);
}

.copy-btn {
  background: var(--accent);
  color: #ffffff;
  border: none;
  padding: 6px 14px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 13px;
}

.copy-btn:hover {
  opacity: 0.9;
}

/* ADS */
.tool-ad {
  margin: 20px 0;
  text-align: center;
}

/* MOBILE */
@media (max-width: 480px) {
  .tool-header h1 {
    font-size: 24px;
  }
}