/* styles.css */
body {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  margin: 20px;
  line-height: 1.6;
  color: #333;
}

h2 {
  margin-bottom: 10px;
}

form, .container {
  max-width: 600px;
  margin: 0 auto;
}

label {
  display: block;
  margin-bottom: 8px;
}

input[type="text"] {
  padding: 6px 8px;
  width: 100%;
  box-sizing: border-box;
}

textarea {
  width: 100%;
  padding: 6px 8px;
  box-sizing: border-box;
  font-size: 14px;
  resize: vertical;
}

button {
  padding: 8px 16px;
  background-color: #2d8cf0;
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  margin-top: 10px;
}

button:hover {
  background-color: #1a6fb3;
}

#error {
  color: #d9534f;
  margin-top: 10px;
}

#message {
  color: #5cb85c;
  margin-top: 10px;
}

ul, ol {
  padding-left: 20px;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
}

th, td {
  border: 1px solid #ccc;
  padding: 8px;
  text-align: left;
}

th {
  background-color: #f7f7f7;
}

.container {
  margin-top: 20px;
}

/* 締め切り時間表示のスタイル - シンプル版 */
.deadlines-inline {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 8px 0 0 0;
  padding: 6px 0;
  font-size: 15px;
  flex-wrap: wrap;
  width: 100%;
  box-sizing: border-box;
}

.deadline-label {
  font-weight: 600;
  color: #666;
  font-size: 14px;
}

.deadline-time {
  font-weight: 700;
  color: #007bff;
  font-family: 'Courier New', monospace;
  letter-spacing: 0.5px;
  font-size: 15px;
}

.deadline-separator {
  color: #999;
  font-weight: 600;
  margin: 0 4px;
}

/* 席題句会用のスタイル */
.sekidai-deadlines .deadline-time {
  color: #dc3545;
}

/* 時間設定フォーム用のスタイル */
.time-form-group {
  display: flex;
  align-items: center;
  margin-bottom: 15px;
  gap: 10px;
}

.time-form-group label {
  min-width: 140px;
  margin-bottom: 0;
  font-weight: 600;
  color: #333;
}

.time-form-group input[type="datetime-local"] {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 14px;
}

.time-form-group small {
  margin-left: 10px;
  color: #666;
  font-size: 12px;
  flex-basis: 100%;
  margin-top: 5px;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
  .deadlines-inline {
    flex-direction: column;
    gap: 4px;
    text-align: center;
    padding: 10px;
  }
  
  .deadline-separator {
    display: none;
  }
  
  .deadline-label,
  .deadline-time {
    font-size: 13px;
  }
  
  .time-form-group {
    flex-direction: column;
    align-items: flex-start;
    gap: 5px;
  }
  
  .time-form-group label {
    min-width: auto;
  }
  
  .time-form-group small {
    margin-left: 0;
    margin-top: 0;
  }
}