body {
   font-family: Arial, sans-serif;
   background: linear-gradient(135deg, #7b8fff 0%, #a084ee 100%);
   margin: 0;
   padding: 0;
   display: flex;
   flex-direction: column;
   align-items: center;
   min-height: 100vh;
}

header {
   width: 100%;
   max-width: 700px;
   text-align: center;
   margin-top: 32px;
   margin-bottom: 16px;
}

h1 {
   color: #fff;
   font-size: 2.2rem;
   margin: 0 0 8px 0;
   letter-spacing: -1px;
}

.status {
   color: #fff;
   font-size: 1.1rem;
   display: flex;
   justify-content: center;
   gap: 32px;
   margin-bottom: 8px;
}

main {
   background: #fff;
   border-radius: 24px;
   box-shadow: 0 4px 24px rgba(80, 80, 160, 0.10);
   padding: 32px 24px 24px 24px;
   max-width: 700px;
   width: 100%;
   display: flex;
   flex-direction: column;
   align-items: center;
}

.card-area {
   display: flex;
   flex-direction: column;
   align-items: center;
   margin-bottom: 24px;
}

.card {
   width: 280px;
   height: 170px;
   background: linear-gradient(135deg, #7b8fff 0%, #a084ee 100%);
   border-radius: 18px;
   box-shadow: 0 2px 12px rgba(80, 80, 160, 0.10);
   display: flex;
   flex-direction: column;
   align-items: center;
   justify-content: center;
   color: #fff;
   font-size: 2rem;
   font-weight: bold;
   margin-bottom: 16px;
   position: relative;
   transition: transform 0.3s;
}
.card .pos {
   font-size: 1rem;
   font-weight: 400;
   background: rgba(255,255,255,0.18);
   border-radius: 12px;
   padding: 4px 14px;
   margin-top: 12px;
   color: #e0e0ff;
}

.card-buttons {
   display: flex;
   gap: 12px;
   margin-bottom: 18px;
}
.card-buttons button {
   padding: 10px 24px;
   border: none;
   border-radius: 20px;
   background: linear-gradient(90deg, #7b8fff 0%, #a084ee 100%);
   color: #fff;
   font-size: 1rem;
   font-weight: 600;
   cursor: pointer;
   box-shadow: 0 2px 8px rgba(80, 80, 160, 0.10);
   transition: background 0.2s, transform 0.1s;
}
.card-buttons button:hover {
   background: linear-gradient(90deg, #a084ee 0%, #7b8fff 100%);
   transform: translateY(-2px);
}

.mode-select {
   display: flex;
   gap: 12px;
   margin-bottom: 24px;
}
.mode-select button {
   padding: 8px 22px;
   border: none;
   border-radius: 18px;
   background: #f2f2fa;
   color: #7b8fff;
   font-size: 1rem;
   font-weight: 600;
   cursor: pointer;
   transition: background 0.2s, color 0.2s;
}
.mode-select button.active, .mode-select button:focus {
   background: linear-gradient(90deg, #7b8fff 0%, #a084ee 100%);
   color: #fff;
}

.progress-bar {
   width: 100%;
   max-width: 400px;
   height: 14px;
   background: #e6e6fa;
   border-radius: 8px;
   margin-bottom: 18px;
   position: relative;
   overflow: hidden;
}
.progress-bar .progress {
   height: 100%;
   background: linear-gradient(90deg, #7b8fff 0%, #a084ee 100%);
   border-radius: 8px 0 0 8px;
   width: 5%; /* JS로 동적으로 변경 예정 */
   transition: width 0.3s;
}
.progress-bar .progress-text {
   position: absolute;
   width: 100%;
   top: 0;
   left: 0;
   text-align: center;
   font-size: 0.95rem;
   color: #7b8fff;
   line-height: 14px;
   font-weight: 600;
}

.stats {
   display: flex;
   justify-content: space-between;
   width: 100%;
   max-width: 400px;
   margin-top: 10px;
   gap: 10px;
}
.stats > div {
   background: #f2f2fa;
   border-radius: 14px;
   flex: 1;
   text-align: center;
   padding: 12px 0 8px 0;
   color: #7b8fff;
   font-size: 1.05rem;
   font-weight: 600;
   box-shadow: 0 1px 4px rgba(80, 80, 160, 0.06);
}
.stats span {
   display: block;
   font-size: 1.3rem;
   color: #a084ee;
   font-weight: bold;
   margin-top: 2px;
}