* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: #f6f7f5;
  color: #1a1a1a;
}

header {
  background: #1b1b1b;
  color: #fff;
  padding: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

.app-layout {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  width: 160px;
  flex-shrink: 0;
}

.tab {
  margin-top: 0;
  background: #fff;
  color: #1a1a1a;
  border: 1px solid #ddd;
  text-align: left;
  padding: 0.6rem 0.9rem;
}

.tab.active {
  background: #1b6f3c;
  color: #fff;
  border-color: #1b6f3c;
}

.tab-content {
  flex: 1;
  min-width: 0;
}

@media (max-width: 640px) {
  .app-layout { flex-direction: column; }
  .sidebar { flex-direction: row; width: 100%; }
  .tab { flex: 1; text-align: center; }
}

section {
  background: #fff;
  border-radius: 12px;
  padding: 1.25rem;
  margin-bottom: 1.25rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin: 0.6rem 0 0.2rem;
}

input,
select {
  width: 100%;
  padding: 0.55rem;
  border-radius: 8px;
  border: 1px solid #ccc;
  background: #fff;
}

input:disabled,
select:disabled {
  background: #eee;
  color: #777;
}

.logo-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-preview {
  width: 56px;
  height: 56px;
  border-radius: 8px;
  object-fit: cover;
  background: #eee;
  flex-shrink: 0;
}

.color-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

input[type="color"] {
  width: 48px;
  height: 36px;
  padding: 2px;
  flex-shrink: 0;
}

.hint {
  font-size: 0.8rem;
  color: #666;
  margin: 0.3rem 0 0;
}

button {
  margin-top: 1rem;
  background: #1b6f3c;
  color: #fff;
  border: none;
  padding: 0.6rem 1rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
}

button.secondary {
  background: #444;
}

.message { color: #1b6f3c; font-weight: 600; }
.error { color: #b3261e; font-weight: 600; }

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  text-align: left;
  padding: 0.5rem 0.6rem;
  border-bottom: 1px solid #eee;
  font-size: 0.9rem;
}

th {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: #666;
}

.clickable-row {
  cursor: pointer;
}

.clickable-row:hover {
  background: #f6f7f5;
}

.add-row {
  margin-top: 0.25rem;
  width: 100%;
  background: #eef6f0;
  color: #1b6f3c;
  border: 1px dashed #1b6f3c;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 10;
}

.modal {
  background: #fff;
  border-radius: 12px;
  padding: 1.5rem;
  max-width: 420px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1rem;
}

.modal-actions button {
  margin-top: 0;
  flex: 1;
}