@import url('../shared/base.css');

.app-container { max-width: 480px; }

.main-content {
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  flex: 1;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
}

.card-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--border);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.input-group {
  margin-bottom: 0.85rem;
}

.input-group label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.3rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.input-group input,
.input-group select {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  font-size: 0.9rem;
  font-family: var(--font);
  transition: border-color 0.2s, box-shadow 0.2s;
  -webkit-appearance: none;
  appearance: none;
  box-sizing: border-box;
}

.input-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%2364748b' d='M1.41.59L6 5.17 10.59.59 12 2l-6 6-6-6z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 12px;
  padding-right: 2rem;
}

.input-group input:focus,
.input-group select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.input-unit {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.input-unit input {
  flex: 1;
}

.input-unit select {
  width: auto;
  flex-shrink: 0;
  padding: 0.7rem 0.5rem;
  padding-right: 1.6rem;
  font-size: 0.82rem;
}

.result-card {
  background: linear-gradient(135deg, var(--accent-light), var(--surface));
  border: 2px solid var(--accent);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.results-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

@media (max-width: 480px) {
  .results-grid { grid-template-columns: 1fr; }
}

.result-item {
  background: var(--bg);
  border-radius: var(--radius-sm);
  padding: 0.85rem;
  text-align: center;
}

.result-item.highlight {
  background: linear-gradient(135deg, var(--accent-light), var(--surface));
  border: 2px solid var(--accent);
}

.result-value {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
}

.result-item.highlight .result-value {
  color: var(--accent);
}

.result-label {
  font-size: 0.65rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
  margin-top: 0.15rem;
}

.result-unit {
  font-size: 0.7rem;
  color: var(--text-secondary);
  font-weight: 500;
}

#result-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 2rem;
  color: var(--text-secondary);
  text-align: center;
}

#result-placeholder i { font-size: 2.5rem; opacity: 0.3; }
#result-placeholder p { font-size: 0.9rem; margin: 0; }

#results-panel { display: none; }