/**
 * 权限引导页面样式
 * 首次打开应用时的欢迎和权限请求页面
 */

/* ============================================
   页面容器
   ============================================ */
.permission-guide-page {
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    overflow-y: auto;
}

.permission-guide-container {
    max-width: 500px;
    width: 100%;
    animation: fadeInUp 0.6s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   头部：Logo和欢迎
   ============================================ */
.permission-guide-header {
    text-align: center;
    margin-bottom: 40px;
}

.permission-guide-logo {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    color: white;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.permission-guide-title {
    font-size: 28px;
    font-weight: 700;
    color: white;
    margin: 0 0 10px 0;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.permission-guide-subtitle {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
}

/* ============================================
   功能介绍卡片
   ============================================ */
.permission-guide-features {
    background: white;
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.permission-guide-feature {
    display: flex;
    align-items: flex-start;
    margin-bottom: 20px;
}

.permission-guide-feature:last-child {
    margin-bottom: 0;
}

.permission-guide-feature-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
    flex-shrink: 0;
    margin-right: 16px;
}

.permission-guide-feature h3 {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin: 0 0 4px 0;
}

.permission-guide-feature p {
    font-size: 14px;
    color: #666;
    margin: 0;
    line-height: 1.5;
}

/* ============================================
   权限说明
   ============================================ */
.permission-guide-permission {
    background: white;
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.permission-guide-permission-icon {
    width: 64px;
    height: 64px;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 50%;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: #667eea;
}

.permission-guide-permission h2 {
    font-size: 20px;
    font-weight: 600;
    color: #333;
    margin: 0 0 12px 0;
}

.permission-guide-permission-text {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    margin: 0 0 20px 0;
}

.permission-guide-permission-text strong {
    color: #667eea;
    font-weight: 600;
}

/* ============================================
   安全保障说明
   ============================================ */
.permission-guide-security {
    background: #f7f9fc;
    border-radius: 12px;
    padding: 16px;
}

.permission-guide-security-item {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 8px;
    font-size: 14px;
    color: #555;
}

.permission-guide-security-item:last-child {
    margin-bottom: 0;
}

.permission-guide-security-item i {
    color: #28a745;
    margin-right: 8px;
    font-size: 16px;
}

/* ============================================
   操作按钮
   ============================================ */
.permission-guide-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
}

.permission-guide-btn {
    padding: 16px 24px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.permission-guide-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.permission-guide-btn-primary {
    background: white;
    color: #667eea;
    box-shadow: 0 4px 16px rgba(255, 255, 255, 0.3);
}

.permission-guide-btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 255, 255, 0.4);
}

.permission-guide-btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

.permission-guide-btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.permission-guide-btn-secondary:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.3);
}

/* ============================================
   底部说明
   ============================================ */
.permission-guide-footer {
    text-align: center;
}

.permission-guide-footer p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
}

/* ============================================
   响应式设计
   ============================================ */
@media (max-width: 480px) {
    .permission-guide-page {
        padding: 16px;
    }

    .permission-guide-title {
        font-size: 24px;
    }

    .permission-guide-subtitle {
        font-size: 14px;
    }

    .permission-guide-features,
    .permission-guide-permission {
        padding: 20px;
    }

    .permission-guide-feature-icon {
        width: 40px;
        height: 40px;
        font-size: 20px;
        margin-right: 12px;
    }

    .permission-guide-feature h3 {
        font-size: 15px;
    }

    .permission-guide-feature p {
        font-size: 13px;
    }

    .permission-guide-btn {
        padding: 14px 20px;
        font-size: 15px;
    }
}

/* ============================================
   图标动画
   ============================================ */
.permission-guide-btn i.fa-spinner {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}