/* 响应式样式 */

/* 大屏幕设备 (1200px 及以上) */
@media (min-width: 1200px) {
    .container {
        max-width: 1140px;
    }
    
    .question-item {
        padding: 2rem;
        font-size: 1.1rem;
    }
    
    .option-item {
        padding: 1rem 1.5rem;
        font-size: 1.05rem;
    }
    
    .year-button {
        padding: 2.5rem;
    }
    
    .year-title {
        font-size: 2.5rem;
    }
}

/* 中等屏幕设备 (992px 到 1199px) */
@media (min-width: 992px) and (max-width: 1199px) {
    .container {
        max-width: 960px;
    }
    
    .question-item {
        padding: 1.5rem;
        font-size: 1rem;
    }
    
    .option-item {
        padding: 0.8rem 1.2rem;
        font-size: 1rem;
    }
}

/* 小屏幕设备 (768px 到 991px) */
@media (min-width: 768px) and (max-width: 991px) {
    .container {
        max-width: 720px;
    }
    
    .navbar-brand {
        font-size: 1.2rem;
    }
    
    .card {
        margin-bottom: 1.5rem;
    }
    
    .question-item {
        padding: 1.2rem;
        margin-bottom: 1.2rem;
        font-size: 0.95rem;
    }
    
    .question-number {
        width: 28px;
        height: 28px;
        line-height: 28px;
        font-size: 0.9rem;
    }
    
    .option-item {
        padding: 0.7rem 1rem;
        font-size: 0.95rem;
        margin-bottom: 0.8rem;
    }
    
    .btn-lg {
        padding: 0.7rem 1.5rem;
        font-size: 1rem;
    }
    
    .year-button {
        padding: 1.8rem;
    }
    
    .year-title {
        font-size: 1.8rem;
    }
    
    .completion-score {
        font-size: 2.5rem;
    }
    
    .completion-percentage {
        font-size: 1.3rem;
    }
}

/* 超小屏幕设备 (576px 到 767px) */
@media (min-width: 576px) and (max-width: 767px) {
    .container {
        max-width: 540px;
        padding: 0 15px;
    }
    
    .navbar-brand {
        font-size: 1.1rem;
    }
    
    .navbar-nav .nav-link {
        font-size: 0.9rem;
        padding: 0.5rem 0.8rem;
    }
    
    .card {
        margin-bottom: 1rem;
        border-radius: 8px;
    }
    
    .card-header {
        padding: 0.8rem 1rem;
        font-size: 1rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .question-item {
        padding: 1rem;
        margin-bottom: 1rem;
        font-size: 0.9rem;
        border-radius: 8px;
    }
    
    .question-number {
        width: 26px;
        height: 26px;
        line-height: 26px;
        font-size: 0.85rem;
        margin-right: 0.8rem;
    }
    
    .option-item {
        padding: 0.6rem 0.8rem;
        font-size: 0.9rem;
        margin-bottom: 0.6rem;
        border-radius: 6px;
    }
    
    .option-radio {
        margin-right: 0.6rem;
    }
    
    .btn {
        padding: 0.5rem 1.2rem;
        font-size: 0.9rem;
        border-radius: 6px;
    }
    
    .btn-lg {
        padding: 0.6rem 1.4rem;
        font-size: 1rem;
    }
    
    .year-button {
        padding: 1.5rem 1rem;
        margin-bottom: 0.8rem;
    }
    
    .year-title {
        font-size: 1.6rem;
        margin-bottom: 0.3rem;
    }
    
    .year-info {
        font-size: 0.8rem;
    }
    
    .progress {
        height: 6px;
    }
    
    .feedback {
        padding: 0.6rem 0.8rem;
        font-size: 0.85rem;
    }
    
    .completion-card {
        padding: 1.5rem;
    }
    
    .completion-score {
        font-size: 2.2rem;
    }
    
    .completion-percentage {
        font-size: 1.2rem;
    }
    
    .data-item {
        padding: 0.8rem;
        margin-bottom: 0.6rem;
    }
    
    .score-display {
        font-size: 1.1rem;
    }
}

/* 极小屏幕设备 (小于576px) */
@media (max-width: 575px) {
    .container {
        padding: 0 10px;
    }
    
    .navbar {
        padding: 0.5rem 0;
    }
    
    .navbar-brand {
        font-size: 1rem;
    }
    
    .navbar-nav .nav-link {
        font-size: 0.85rem;
        padding: 0.4rem 0.6rem;
    }
    
    .card {
        margin-bottom: 1rem;
        border-radius: 6px;
    }
    
    .card-header {
        padding: 0.6rem 0.8rem;
        font-size: 0.95rem;
    }
    
    .card-body {
        padding: 0.8rem;
    }
    
    .question-item {
        padding: 0.8rem;
        margin-bottom: 0.8rem;
        font-size: 0.85rem;
        border-radius: 6px;
    }
    
    .question-number {
        width: 24px;
        height: 24px;
        line-height: 24px;
        font-size: 0.8rem;
        margin-right: 0.6rem;
    }
    
    .option-item {
        padding: 0.5rem 0.6rem;
        font-size: 0.85rem;
        margin-bottom: 0.5rem;
        border-radius: 4px;
    }
    
    .option-radio {
        margin-right: 0.5rem;
        transform: scale(0.9);
    }
    
    .btn {
        padding: 0.4rem 1rem;
        font-size: 0.85rem;
        border-radius: 4px;
    }
    
    .btn-lg {
        padding: 0.5rem 1.2rem;
        font-size: 0.9rem;
    }
    
    .year-button {
        padding: 1.2rem 0.8rem;
        margin-bottom: 0.6rem;
        border-radius: 8px;
    }
    
    .year-title {
        font-size: 1.4rem;
        margin-bottom: 0.2rem;
    }
    
    .year-info {
        font-size: 0.75rem;
    }
    
    .progress {
        height: 5px;
        border-radius: 4px;
    }
    
    .feedback {
        padding: 0.5rem 0.6rem;
        font-size: 0.8rem;
        border-radius: 4px;
    }
    
    .completion-card {
        padding: 1rem;
    }
    
    .completion-score {
        font-size: 2rem;
        margin: 0.8rem 0;
    }
    
    .completion-percentage {
        font-size: 1.1rem;
        margin-bottom: 1.5rem;
    }
    
    .data-item {
        padding: 0.6rem;
        margin-bottom: 0.5rem;
        font-size: 0.85rem;
    }
    
    .data-year {
        font-size: 0.9rem;
    }
    
    .data-count {
        font-size: 0.8rem;
    }
    
    .score-display {
        font-size: 1rem;
    }
    
    .toast {
        max-width: 90vw;
    }
    
    .toast-body {
        font-size: 0.85rem;
    }
    
    /* 移动设备特殊优化 */
    .form-control, .form-select {
        font-size: 16px; /* 防止iOS缩放 */
        padding: 0.5rem 0.8rem;
    }
    
    /* 触摸优化 */
    .option-item {
        min-height: 44px; /* 符合触摸标准 */
    }
    
    .btn {
        min-height: 44px;
    }
    
    /* 滚动优化 */
    .view-container {
        -webkit-overflow-scrolling: touch;
    }
}

/* 横屏模式优化 */
@media (orientation: landscape) and (max-width: 767px) {
    .navbar {
        padding: 0.3rem 0;
    }
    
    .card-header {
        padding: 0.5rem 0.8rem;
    }
    
    .question-item {
        padding: 0.6rem;
        margin-bottom: 0.6rem;
    }
    
    .completion-card {
        padding: 0.8rem;
    }
    
    .completion-score {
        font-size: 1.8rem;
        margin: 0.5rem 0;
    }
}

/* 打印样式 */
@media print {
    .navbar,
    .btn,
    footer,
    .toast-container {
        display: none !important;
    }
    
    .card {
        border: 1px solid #000 !important;
        box-shadow: none !important;
    }
    
    .question-item {
        break-inside: avoid;
        margin-bottom: 1rem;
    }
    
    .option-item {
        break-inside: avoid;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
}