/* index.css */
html, body {
  height: 100%;
  margin: 0;
  padding: 0;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont,
               'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  color: #1f2937;
  background-color: #f9fafb;
}

.layout {
  height: 100vh;
  display: flex;
  flex-direction: column;
}

h1, h2, h3, h4 {
  font-weight: 600;
  letter-spacing: -0.01em;
}

button {
  font-family: inherit;
  font-weight: 500;
}

.topbar {
  height: 56px;
  background: #4CAF50;
  color: white;
  display: flex;
  align-items: center;
  padding: 0 16px;
  justify-content: space-between;
}

.body {
  flex: 1;
  display: flex;
}

.sidebar {
  width: 220px;
  background: #f4f6f8;
}

.content {
  flex: 1;
  padding: 16px;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-name {
  font-weight: 500;
}

.logout-btn {
  background: transparent;
  border: 1px solid white;
  color: white;
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
}

/* login */
.login-box {
  width: 320px;
  padding: 32px;
  background: white;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.login-title {
  text-align: center;
  margin-bottom: 8px;
}

.login-input {
  height: 40px;
  padding: 0 12px;
  font-size: 14px;
  border: 1px solid #dcdfe3;
  border-radius: 4px;
}

.login-input:focus {
  outline: none;
  border-color: #4CAF50;
}

.login-button {
  height: 40px;
  font-size: 14px;
  border-radius: 4px;
  border: none;
  background: #4CAF50;
  color: white;
  cursor: pointer;
}

.login-button:disabled {
  background: #b5d6b8;
  cursor: not-allowed;
}

.login-error {
  font-size: 13px;
  color: #d32f2f;
  text-align: center;
}