/**
 * PWAインストール促進UI スタイル
 */

/* ===== インストールバナー ===== */
#pwa-install-banner {
    position: fixed;
    bottom: 70px;
    left: 10px;
    right: 10px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    border-radius: 12px;
    padding: 15px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    z-index: 9999;
    animation: pwaSlideUp 0.3s ease;
}

@keyframes pwaSlideUp {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes pwaSlideDown {
    from {
        transform: translateY(0);
        opacity: 1;
    }
    to {
        transform: translateY(100%);
        opacity: 0;
    }
}

#pwa-install-banner.hiding {
    animation: pwaSlideDown 0.3s ease forwards;
}

.pwa-banner-content {
    display: flex;
    align-items: center;
    gap: 12px;
    color: white;
}

.pwa-banner-icon {
    font-size: 32px;
    flex-shrink: 0;
}

.pwa-banner-text {
    flex: 1;
}

.pwa-banner-text strong {
    display: block;
    font-size: 14px;
    margin-bottom: 3px;
}

.pwa-banner-text p {
    font-size: 12px;
    opacity: 0.9;
    margin: 0;
}

.pwa-install-btn {
    background: white;
    color: var(--primary-color);
    border: none;
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: bold;
    cursor: pointer;
    flex-shrink: 0;
}

.pwa-close-btn {
    background: transparent;
    color: white;
    border: none;
    font-size: 24px;
    cursor: pointer;
    opacity: 0.7;
    padding: 0 5px;
}

.pwa-close-btn:hover {
    opacity: 1;
}

/* ===== ボトムシート ===== */
.pwa-sheet-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
}

.pwa-sheet-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    animation: pwaFadeIn 0.3s ease;
}

@keyframes pwaFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes pwaFadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

.pwa-sheet-overlay.hiding .pwa-sheet-backdrop {
    animation: pwaFadeOut 0.3s ease forwards;
}

.pwa-sheet {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    border-radius: 20px 20px 0 0;
    padding: 12px 20px 30px;
    max-height: 85vh;
    overflow-y: auto;
    animation: sheetSlideUp 0.3s ease;
}

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

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

.pwa-sheet-overlay.hiding .pwa-sheet {
    animation: sheetSlideDown 0.3s ease forwards;
}

.pwa-sheet-handle {
    width: 48px;
    height: 5px;
    background: #bbb;
    border-radius: 3px;
    margin: 20px auto 24px;
    cursor: grab;
    position: relative;
}

.pwa-sheet-handle::before {
    content: '';
    position: absolute;
    top: -12px;
    left: -40px;
    right: -40px;
    bottom: -12px;
}

.pwa-sheet-handle:active {
    cursor: grabbing;
    background-color: #aaa;
}

.pwa-sheet-header {
    text-align: center;
    margin-bottom: 20px;
}

.pwa-sheet-icon {
    width: 64px;
    height: 64px;
    background: var(--primary-color);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
}

.pwa-sheet-icon i {
    font-size: 28px;
    color: white;
}

.pwa-sheet-icon.safari {
    background: #007AFF;
}

.pwa-sheet-icon.other {
    background: #666;
}

.pwa-sheet-icon.installed {
    background: var(--success-color);
}

.pwa-sheet-installed-info {
    text-align: center;
    padding: 16px;
    background: #f0f9f4;
    border-radius: 12px;
    margin-bottom: 16px;
}

.pwa-sheet-installed-info p {
    color: var(--success-color);
    font-weight: 500;
    margin: 0;
}

.pwa-sheet-header h3 {
    font-size: 1.3rem;
    margin: 0 0 6px;
    color: #333;
}

.pwa-sheet-header p {
    font-size: 0.9rem;
    color: #666;
    margin: 0;
}

.pwa-sheet-steps {
    background: #f5f5f5;
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 16px;
}

.pwa-sheet-steps.small {
    padding: 12px;
}

.pwa-sheet-steps .steps-title {
    font-size: 0.85rem;
    color: #666;
    margin: 0 0 10px;
}

.pwa-step {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
    font-size: 0.95rem;
}

.pwa-step:not(:last-child) {
    border-bottom: 1px solid #e0e0e0;
}

.step-num {
    width: 24px;
    height: 24px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: bold;
    flex-shrink: 0;
}

.pwa-sheet-note {
    background: #fff3cd;
    border: 1px solid var(--warning-color);
    border-radius: 8px;
    padding: 12px;
    font-size: 0.85rem;
    color: #856404;
    margin-bottom: 16px;
}

.pwa-sheet-note i {
    margin-right: 6px;
}

.pwa-sheet-recommend {
    background: #e8f4f8;
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 16px;
    text-align: center;
}

.pwa-sheet-recommend p {
    margin: 0 0 12px;
    font-size: 0.9rem;
}

.browser-icons {
    display: flex;
    justify-content: center;
    gap: 24px;
}

.browser-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.browser-item i {
    font-size: 32px;
}

.browser-item i.fa-chrome {
    color: #4285F4;
}

.browser-item i.fa-safari {
    color: #007AFF;
}

.browser-item span {
    font-size: 0.8rem;
    color: #666;
}

.pwa-sheet-btn {
    width: 100%;
    padding: 14px;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    border: none;
    margin-top: 8px;
}

.pwa-sheet-btn.primary {
    background: var(--primary-color);
    color: white;
}

.pwa-sheet-btn.primary:active {
    background: var(--primary-hover);
}

.pwa-sheet-btn.secondary {
    background: #f0f0f0;
    color: #666;
}

.pwa-sheet-btn.secondary:active {
    background: #e0e0e0;
}

/* PWAとしてインストール済みの場合は非表示 */
@media (display-mode: standalone) {
    #pwa-install-banner {
        display: none !important;
    }
}