/* Mobile CSS - 手机端样式 */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

#app {
    max-width: 480px;
    margin: 0 auto;
    min-height: 100vh;
    background: #f5f5f5;
    box-shadow: 0 0 20px rgba(0,0,0,0.2);
}

/* 页面切换 */
.page {
    display: none;
    min-height: 100vh;
}

.page.active {
    display: block;
}

/* 登录页面 */
#loginPage {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 40px 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-container {
    width: 100%;
    max-width: 320px;
    text-align: center;
    color: white;
}

.logo {
    font-size: 80px;
    margin-bottom: 20px;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.login-container h1 {
    font-size: 28px;
    margin-bottom: 10px;
}

.class-name {
    font-size: 16px;
    opacity: 0.9;
    margin-bottom: 40px;
}

.form-group {
    margin-bottom: 30px;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    opacity: 0.9;
}

.form-group select {
    width: 100%;
    padding: 14px 16px;
    font-size: 16px;
    border: none;
    border-radius: 12px;
    background: rgba(255,255,255,0.95);
    color: #333;
    outline: none;
}

.btn-primary {
    width: 100%;
    padding: 16px;
    font-size: 18px;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(240, 147, 251, 0.4);
    transition: transform 0.2s;
}

.btn-primary:active {
    transform: scale(0.98);
}

/* 手机端头部 */
.mobile-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: white;
}

.mobile-header h1 {
    font-size: 20px;
}

.btn-logout {
    padding: 8px 16px;
    background: rgba(255,255,255,0.2);
    border: none;
    border-radius: 8px;
    color: white;
    font-size: 14px;
    cursor: pointer;
}

/* 宠物主页 */
.pet-main {
    padding: 20px;
}

.pet-display-large {
    text-align: center;
    margin-bottom: 30px;
}

.pet-image-container {
    display: inline-block;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.2);
}

.pet-emoji {
    font-size: 100px;
}

.pet-stage {
    font-size: 18px;
    color: #666;
    font-weight: 500;
}

.pet-image-custom {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

/* 阶段背景色 */
.stage-egg { background: #FFE4B5; }
.stage-baby { background: #98FB98; }
.stage-young { background: #87CEEB; }
.stage-adult { background: #DDA0DD; }

/* 学生信息 */
.student-info {
    background: white;
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.info-row {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid #f0f0f0;
}

.info-row:last-child {
    border-bottom: none;
}

.info-row .label {
    color: #666;
    font-size: 15px;
}

.info-row .value {
    font-weight: 600;
    font-size: 16px;
    color: #333;
}

.info-row .value.score {
    color: #667eea;
    font-size: 24px;
}

/* 操作按钮 */
.actions {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.btn-action {
    padding: 20px 10px;
    background: white;
    border: none;
    border-radius: 12px;
    font-size: 14px;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-action:active {
    transform: scale(0.98);
}

/* 弹窗 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    align-items: flex-end;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    width: 100%;
    max-height: 80vh;
    border-radius: 20px 20px 0 0;
    padding: 25px 20px;
    overflow-y: auto;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

.modal-content h2 {
    font-size: 20px;
    margin-bottom: 15px;
    text-align: center;
}

.modal-small {
    max-width: 320px;
    max-height: auto;
    border-radius: 16px;
    margin: auto;
}

/* 认养弹窗 */
.current-score {
    text-align: center;
    font-size: 16px;
    color: #666;
    margin-bottom: 20px;
}

.current-score span {
    font-weight: 600;
    color: #667eea;
    font-size: 20px;
}

.pet-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-bottom: 20px;
}

.pet-option {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 15px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    border: 2px solid transparent;
}

.pet-option:active {
    transform: scale(0.95);
}

.pet-option.selected {
    border-color: #667eea;
    background: #f0f3ff;
}

.pet-option .emoji {
    font-size: 40px;
    margin-bottom: 10px;
}

.pet-option .name {
    font-weight: 600;
    margin-bottom: 5px;
    color: #333;
}

.pet-option .rarity {
    font-size: 12px;
    color: #666;
}

.pet-option .cost {
    font-size: 16px;
    font-weight: 600;
    color: #667eea;
    margin-top: 10px;
}

/* 稀有度颜色 */
.rarity-common { color: #999; }
.rarity-rare { color: #4CAF50; }
.rarity-epic { color: #9C27B0; }
.rarity-legendary { color: #FF9800; }

/* 上传区域 */
.upload-area {
    border: 2px dashed #ddd;
    border-radius: 12px;
    padding: 40px 20px;
    text-align: center;
    margin-bottom: 20px;
    cursor: pointer;
}

.upload-placeholder {
    pointer-events: none;
}

.upload-placeholder span {
    font-size: 50px;
    display: block;
    margin-bottom: 10px;
}

.upload-placeholder p {
    color: #666;
    margin: 5px 0;
}

.upload-placeholder .hint {
    font-size: 12px;
    color: #999;
}

/* 奖励列表 */
.reward-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
}

.reward-item {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.reward-info {
    flex: 1;
}

.reward-name {
    font-weight: 600;
    margin-bottom: 5px;
    color: #333;
}

.reward-cost {
    color: #667eea;
    font-weight: 600;
}

.reward-stock {
    font-size: 12px;
    color: #999;
}

.btn-redeem {
    padding: 10px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
}

.btn-redeem:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* 按钮 */
.btn-close, .btn-save {
    width: 100%;
    padding: 14px;
    font-size: 16px;
    background: #f0f0f0;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    margin-top: 10px;
}

.btn-save {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}