/* QRコード提示ツール専用スタイル */

.qr-input-grid {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(260px, 1fr);
    gap: var(--spacing-lg);
}

.qr-url-group input {
    font-size: 1.1rem;
}

.qr-options {
    display: flex;
    align-items: end;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    flex-wrap: wrap;
}

.qr-options .input-group {
    min-width: 220px;
    margin-bottom: 0;
}

.qr-options .select-input {
    height: 44px;
}

.qr-check-option {
    height: 44px;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0 var(--spacing-md);
    border: 2px solid var(--gray-light);
    border-radius: var(--border-radius);
    background: var(--white);
    color: var(--gray-darkest);
    font-weight: 700;
    cursor: pointer;
}

.qr-check-option input {
    width: 20px;
    height: 20px;
    accent-color: var(--primary-color);
}

.qr-message {
    margin-bottom: var(--spacing-lg);
}

.qr-message[hidden],
.qr-empty[hidden],
.qr-preview[hidden],
.recent-section[hidden] {
    display: none !important;
}

.qr-result-area {
    min-height: 360px;
}

.qr-empty {
    min-height: 320px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    border: 2px dashed var(--gray-light);
    border-radius: var(--border-radius-large);
    color: var(--gray-dark);
    text-align: center;
}

.qr-empty i {
    font-size: 4rem;
    color: var(--primary-color);
    opacity: 0.55;
}

.qr-empty p {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 700;
}

.qr-preview {
    display: grid;
    grid-template-columns: minmax(320px, 380px) minmax(0, 1fr);
    gap: var(--spacing-xl);
    align-items: center;
    padding: var(--spacing-xl);
    background: var(--gray-lighter);
    border-radius: var(--border-radius-large);
    border: 1px solid var(--gray-light);
}

.qr-preview-frame {
    width: min(100%, 380px);
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    background: var(--white);
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-medium);
    margin: 0 auto;
}

.qr-preview-frame canvas {
    width: 100%;
    height: 100%;
    image-rendering: pixelated;
}

.qr-preview-info h2 {
    margin: 0 0 var(--spacing-sm);
    color: var(--gray-darkest);
    font-size: 1.6rem;
    line-height: 1.35;
}

.qr-preview-info p {
    margin: 0 0 var(--spacing-lg);
    color: var(--gray-darker);
    word-break: break-all;
    line-height: 1.7;
}

.qr-preview-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.recent-section {
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-lg);
    background: var(--gray-lighter);
    border-radius: var(--border-radius-large);
}

.recent-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.recent-heading .section-title {
    margin-bottom: 0;
}

.recent-list {
    display: grid;
    gap: var(--spacing-sm);
}

.recent-item {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--white);
    border: 1px solid var(--gray-light);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-small);
}

.recent-text {
    min-width: 0;
}

.recent-title {
    display: block;
    color: var(--gray-darkest);
    font-weight: 800;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.recent-url {
    display: block;
    color: var(--gray-dark);
    font-size: 0.9rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.recent-use-btn {
    min-height: 44px;
}

.qr-fullscreen {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: clamp(16px, 3vw, 36px);
    background: #101418;
    color: var(--white);
}

.qr-fullscreen.active {
    display: flex;
}

.qr-fullscreen-content {
    width: min(96vw, 980px);
    height: min(94vh, 980px);
    display: grid;
    grid-template-rows: auto minmax(0, 1fr) auto;
    align-items: center;
    justify-items: center;
    gap: clamp(10px, 2vh, 24px);
}

.qr-fullscreen-title {
    max-width: 90vw;
    min-height: 1.4em;
    font-size: clamp(1.4rem, 3.2vw, 3rem);
    font-weight: 900;
    line-height: 1.25;
    text-align: center;
    overflow-wrap: anywhere;
}

.qr-fullscreen-frame {
    width: min(78vw, 68vh, 720px);
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(14px, 2.4vw, 30px);
    background: var(--white);
    border-radius: var(--border-radius-large);
    box-shadow: 0 18px 54px rgba(0, 0, 0, 0.38);
}

.qr-fullscreen-frame canvas {
    width: 100%;
    height: 100%;
    image-rendering: pixelated;
}

.qr-fullscreen-url {
    max-width: min(90vw, 920px);
    margin: 0;
    color: rgba(255, 255, 255, 0.78);
    font-size: clamp(0.9rem, 1.6vw, 1.35rem);
    line-height: 1.5;
    text-align: center;
    overflow-wrap: anywhere;
}

.qr-fullscreen-close {
    position: fixed;
    right: clamp(14px, 2vw, 28px);
    top: clamp(14px, 2vw, 28px);
    min-width: 44px;
    min-height: 44px;
    padding: 12px 18px;
    border: 2px solid rgba(255, 255, 255, 0.32);
    border-radius: var(--border-radius);
    background: rgba(255, 255, 255, 0.12);
    color: var(--white);
    font-size: 1rem;
    font-weight: 800;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.qr-fullscreen-close:hover,
.qr-fullscreen-close:focus-visible {
    background: rgba(255, 255, 255, 0.24);
    outline: none;
}

body.qr-fullscreen-open {
    overflow: hidden;
}

@media (max-width: 820px) {
    .qr-input-grid,
    .qr-preview {
        grid-template-columns: 1fr;
    }

    .qr-preview {
        padding: var(--spacing-lg);
    }

    .recent-heading {
        align-items: stretch;
        flex-direction: column;
    }
}

@media (max-width: 560px) {
    .qr-options,
    .action-bar,
    .qr-preview-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .qr-options .input-group,
    .action-bar .btn,
    .qr-preview-actions .btn {
        width: 100%;
    }

    .recent-item {
        grid-template-columns: 1fr;
    }

    .qr-fullscreen-frame {
        width: min(88vw, 62vh);
    }

    .qr-fullscreen-close {
        padding: 10px 12px;
    }
}

@media print {
    .no-print,
    .qr-fullscreen,
    .class-mode-toggle,
    header,
    footer,
    .instructions,
    .ad-left,
    .ad-right,
    .ad-horizontal {
        display: none !important;
    }

    .qr-preview {
        display: block;
        background: var(--white);
        border: none;
        padding: 0;
    }

    .qr-preview-frame {
        box-shadow: none;
        width: 70mm;
        padding: 6mm;
        margin: 0 auto 8mm;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .qr-preview-info {
        text-align: center;
    }
}