body {
  margin: 0;
  font-family: "Segoe UI", sans-serif;
  background: linear-gradient(120deg, #e8f5e9, #e3f2fd);
}

/* LOGIN */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
}

.login-card {
  background: white;
  padding: 40px;
  border-radius: 14px;
  width: 360px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  text-align: center;
}

.login-card h1 {
  color: #2e7d32;
}

.login-form input {
  width: 100%;
  padding: 12px;
  margin: 8px 0;
  border-radius: 8px;
  border: 1px solid #ccc;
}

.login-form button {
  background: #2e7d32;
  color: white;
  border: none;
  padding: 12px;
  border-radius: 8px;
  width: 100%;
  cursor: pointer;
}

.login-form button:hover {
  background: #1b5e20;
}

#error {
  color: #d32f2f;
  font-size: 13px;
}

/* TOOL */
.container {
  max-width: 1100px;
  margin: auto;
  padding: 30px;
}

.subtitle {
  color: #555;
}

button {
  background: #2e7d32;
  color: white;
  padding: 10px 14px;
  border-radius: 6px;
  border: none;
  cursor: pointer;
}

button:hover {
  background: #1b5e20;
}

.logout {
  background: #d32f2f;
}

.logout:hover {
  background: #b71c1c;
}

.material-block {
  border: 1px solid #ddd;
  padding: 12px;
  margin-bottom: 10px;
  border-radius: 8px;
  background: #f9f9f9;
}

.material-header {
  display: flex;
  gap: 10px;
  align-items: center;
}

input[type="text"], input[type="number"] {
  padding: 8px;
  border-radius: 6px;
  border: 1px solid #ccc;
  width: 100%;
}

.suggestions div {
  padding: 6px;
  cursor: pointer;
}

.suggestions div:hover {
  background: #e0f2f1;
}

.delete-btn {
  background: #e53935;
  padding: 8px;
}

.delete-btn:hover {
  background: #c62828;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 15px;
}

th, td {
  padding: 10px;
  border: 1px solid #ddd;
}

th {
  background: #f1f8e9;
}