/* 适老化样式 - 专为55+老年用户设计 */

/* 基础字体和尺寸 */
:root {
    --elderly-font-size: 18px;
    --elderly-large-font: 24px;
    --elderly-title-font: 32px;
    --elderly-button-height: 60px;
    --elderly-input-height: 50px;
    --elderly-spacing: 20px;
    --elderly-border-radius: 12px;
    --elderly-high-contrast: #000000;
    --elderly-bg-light: #ffffff;
    --elderly-bg-soft: #f8f9fa;
    --elderly-primary: #2563eb;
    --elderly-success: #16a34a;
    --elderly-warning: #ea580c;
    --elderly-danger: #dc2626;
}

/* 全局适老化设置 */
.elderly-mode {
    font-size: var(--elderly-font-size);
    line-height: 1.6;
    color: var(--elderly-high-contrast);
    background-color: var(--elderly-bg-light);
}

/* 大字体设置 */
.elderly-text {
    font-size: var(--elderly-font-size);
    font-weight: 500;
}

.elderly-text-large {
    font-size: var(--elderly-large-font);
    font-weight: 600;
}

.elderly-text-title {
    font-size: var(--elderly-title-font);
    font-weight: 700;
    line-height: 1.3;
}

/* 高对比度按钮 */
.elderly-btn {
    height: var(--elderly-button-height);
    min-width: 120px;
    font-size: var(--elderly-font-size);
    font-weight: 600;
    border-radius: var(--elderly-border-radius);
    border: 3px solid transparent;
    padding: 0 var(--elderly-spacing);
    transition: all 0.3s ease;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.elderly-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.elderly-btn:active {
    transform: translateY(0);
}

.elderly-btn-primary {
    background-color: var(--elderly-primary);
    color: white;
    border-color: var(--elderly-primary);
}

.elderly-btn-primary:hover {
    background-color: #1d4ed8;
    border-color: #1d4ed8;
}

.elderly-btn-success {
    background-color: var(--elderly-success);
    color: white;
    border-color: var(--elderly-success);
}

.elderly-btn-warning {
    background-color: var(--elderly-warning);
    color: white;
    border-color: var(--elderly-warning);
}

.elderly-btn-danger {
    background-color: var(--elderly-danger);
    color: white;
    border-color: var(--elderly-danger);
}

.elderly-btn-outline {
    background-color: transparent;
    color: var(--elderly-primary);
    border-color: var(--elderly-primary);
}

/* 大尺寸输入框 */
.elderly-input {
    height: var(--elderly-input-height);
    font-size: var(--elderly-font-size);
    padding: 0 16px;
    border: 3px solid #d1d5db;
    border-radius: var(--elderly-border-radius);
    background-color: var(--elderly-bg-light);
    transition: all 0.3s ease;
    width: 100%;
}

.elderly-input:focus {
    outline: none;
    border-color: var(--elderly-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.elderly-input::placeholder {
    font-size: var(--elderly-font-size);
    color: #6b7280;
}

/* 卡片样式 */
.elderly-card {
    background-color: var(--elderly-bg-light);
    border: 2px solid #e5e7eb;
    border-radius: var(--elderly-border-radius);
    padding: var(--elderly-spacing);
    margin-bottom: var(--elderly-spacing);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.elderly-card:hover {
    border-color: var(--elderly-primary);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* 紧急按钮 */
.elderly-emergency-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, #dc2626, #ef4444);
    color: white;
    border: 4px solid white;
    font-size: 16px;
    font-weight: bold;
    box-shadow: 0 8px 16px rgba(220, 38, 38, 0.3);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: pulse-emergency 2s infinite;
    cursor: pointer;
}

@keyframes pulse-emergency {
    0% { transform: scale(1); box-shadow: 0 8px 16px rgba(220, 38, 38, 0.3); }
    50% { transform: scale(1.05); box-shadow: 0 12px 24px rgba(220, 38, 38, 0.4); }
    100% { transform: scale(1); box-shadow: 0 8px 16px rgba(220, 38, 38, 0.3); }
}

/* 语音按钮 */
.elderly-voice-btn {
    background-color: var(--elderly-primary);
    color: white;
    border: none;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    font-size: 24px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 8px rgba(37, 99, 235, 0.3);
}

.elderly-voice-btn:hover {
    background-color: #1d4ed8;
    transform: scale(1.1);
}

.elderly-voice-btn.listening {
    background-color: var(--elderly-success);
    animation: pulse-voice 1s infinite;
}

@keyframes pulse-voice {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

/* 导航菜单 */
.elderly-nav {
    background-color: var(--elderly-bg-light);
    border-bottom: 3px solid var(--elderly-primary);
    padding: 15px 0;
}

.elderly-nav-item {
    display: block;
    padding: 15px 20px;
    font-size: var(--elderly-large-font);
    font-weight: 600;
    color: var(--elderly-high-contrast);
    text-decoration: none;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
}

.elderly-nav-item:hover {
    background-color: var(--elderly-bg-soft);
    border-bottom-color: var(--elderly-primary);
    color: var(--elderly-primary);
}

.elderly-nav-item.active {
    background-color: var(--elderly-primary);
    color: white;
    border-bottom-color: var(--elderly-primary);
}

/* 健康数据卡片 */
.elderly-health-card {
    background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
    border: 3px solid #0ea5e9;
    border-radius: var(--elderly-border-radius);
    padding: var(--elderly-spacing);
    text-align: center;
    margin-bottom: var(--elderly-spacing);
}

.elderly-health-value {
    font-size: 48px;
    font-weight: bold;
    color: var(--elderly-primary);
    margin: 10px 0;
}

.elderly-health-label {
    font-size: var(--elderly-font-size);
    color: #374151;
    font-weight: 500;
}

/* 服务卡片 */
.elderly-service-card {
    background-color: var(--elderly-bg-light);
    border: 3px solid #e5e7eb;
    border-radius: var(--elderly-border-radius);
    padding: var(--elderly-spacing);
    margin-bottom: var(--elderly-spacing);
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.elderly-service-card:hover {
    border-color: var(--elderly-primary);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1);
}

.elderly-service-icon {
    font-size: 48px;
    margin-bottom: 15px;
    color: var(--elderly-primary);
}

.elderly-service-title {
    font-size: var(--elderly-large-font);
    font-weight: 600;
    color: var(--elderly-high-contrast);
    margin-bottom: 10px;
}

.elderly-service-desc {
    font-size: var(--elderly-font-size);
    color: #6b7280;
    margin-bottom: 15px;
}

/* 状态指示器 */
.elderly-status {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: var(--elderly-font-size);
    font-weight: 600;
}

.elderly-status-success {
    background-color: #dcfce7;
    color: var(--elderly-success);
    border: 2px solid #bbf7d0;
}

.elderly-status-warning {
    background-color: #fef3c7;
    color: var(--elderly-warning);
    border: 2px solid #fde68a;
}

.elderly-status-danger {
    background-color: #fee2e2;
    color: var(--elderly-danger);
    border: 2px solid #fecaca;
}

/* 响应式设计 */
@media (max-width: 768px) {
    :root {
        --elderly-font-size: 20px;
        --elderly-large-font: 26px;
        --elderly-title-font: 36px;
        --elderly-button-height: 70px;
        --elderly-input-height: 60px;
        --elderly-spacing: 24px;
    }
    
    .elderly-emergency-btn {
        width: 100px;
        height: 100px;
        font-size: 18px;
    }
    
    .elderly-voice-btn {
        width: 80px;
        height: 80px;
        font-size: 32px;
    }
}

/* 无障碍支持 */
.elderly-focus:focus {
    outline: 4px solid var(--elderly-primary);
    outline-offset: 2px;
}

/* 简化动画 - 减少对老年用户可能造成的不适 */
.elderly-reduced-motion * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
}