/* frontend/styles.css */
body {
  font-family: 'Segoe UI', system-ui;
  margin: 0;
  padding: 20px;
  background: #f0f2f5;
}

.container {
  max-width: 400px;
  margin: 2rem auto;
  padding: 2rem;
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.logo {
  display: block;
  width: 180px;
  margin: 0 auto 2rem;
}

input {
  width: 100%;
  padding: 12px;
  margin-bottom: 1rem;
  border: 1px solid #ddd;
  border-radius: 8px;
  box-sizing: border-box;
}

button {
  width: 100%;
  padding: 12px;
  background: #007aff;
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s;
}

button:hover {
  background: #0063cc;
}

.form-switch {
  text-align: center;
  margin: 1rem 0;
  color: #666;
}

.form-switch a {
  color: #007aff;
  text-decoration: none;
}

.form-switch a:hover {
  text-decoration: underline;
}

#download-pdf-btn {
  background: #34c759;
}

#download-pdf-btn:hover {
  background: #248a3d;
}

#register-form,
#login-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

#register-form input,
#login-form input {
  margin-bottom: 0;
}

.error-message {
  color: #ff3b30;
  margin: 1rem 0;
}

.hidden {
  display: none !important;
}

#work-timer {
  font-size: 2em;
  font-weight: bold;
  margin: 20px 0;
  font-family: monospace;
}

.mt-4 {
  margin-top: 2rem;
}

.mt-2 {
  margin-top: 1rem;
}

.button-group {
  display: flex;
  gap: 0.5rem;
  margin: 1rem 0;
}

.button-group button {
  flex: 1;
  padding: 8px;
}

.history-records {
  max-height: 300px;
  overflow-y: auto;
  border: 1px solid #ddd;
  border-radius: 8px;
}

.history-record {
  padding: 1rem;
  border-bottom: 1px solid #eee;
}

.history-record:last-child {
  border-bottom: none;
}

/* P048c */
.success-message {
  color: #28a745;
  margin: 1rem 0;
}

/* Pca5c */
@media (max-width: 600px) {
  .container {
    padding: 1rem;
  }

  input, button {
    padding: 10px;
  }

  .logo {
    width: 150px;
  }

  #work-timer {
    font-size: 1.5em;
  }
}