.p2p-wrapper {
    max-width: 1200px;
    text-align: center;
    margin: 40px auto;
    padding: 0 20px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

.p2p-wrapper .p2p-title {
    font-size: 2.5rem;
    color: #2d3748;
    margin-bottom: 1.5rem;
    font-weight: 600;
    background: #fff;
}

.p2p-wrapper .p2p-desc {
    color: #4a5568;
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 2rem;
}

/* モード切替 */
.p2p-mode-selector {
    display: flex;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 28px;
}

.p2p-mode-option {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 16px 18px;
    background: #f8fafc;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    cursor: pointer;
    text-align: left;
    transition: all 0.25s ease;
    min-width: 240px;
    max-width: 320px;
    flex: 1 1 240px;
}

.p2p-mode-option:hover {
    border-color: #a5b4fc;
    background: #f1f5f9;
}

.p2p-mode-option input[type="radio"] {
    margin-top: 4px;
    accent-color: #4f46e5;
    flex-shrink: 0;
}

.p2p-mode-option:has(input:checked) {
    border-color: #4f46e5;
    background: #eef2ff;
}

.p2p-mode-label {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.p2p-mode-label strong {
    font-size: 1rem;
    color: #2d3748;
}

.p2p-mode-label small {
    font-size: 0.85rem;
    color: #64748b;
    line-height: 1.4;
}

/* ファイル選択 */
.p2p-file-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.p2p-wrapper #p2p-pdf-upload {
    width: 0.1px;
    height: 0.1px;
    opacity: 0;
    overflow: hidden;
    position: absolute;
    z-index: -1;
}

.p2p-wrapper .p2p-file-label {
    display: inline-block;
    padding: 12px 24px;
    background-color: #e2e8f0;
    color: #4a5568;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.p2p-wrapper .p2p-file-label:hover {
    background-color: #cbd5e0;
}

.p2p-file-name-display {
    color: #64748b;
    font-size: 0.95rem;
}

/* ボタン */
.p2p-action-buttons {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.p2p-wrapper .p2p-btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    color: #fff;
}

.p2p-wrapper .p2p-btn-primary { background-color: #4f46e5; }
.p2p-wrapper .p2p-btn-primary:hover { background-color: #4338ca; }
.p2p-wrapper .p2p-btn-warning { background-color: #d97706; }
.p2p-wrapper .p2p-btn-warning:hover { background-color: #b45309; }
.p2p-wrapper .p2p-btn-success { background-color: #059669; }
.p2p-wrapper .p2p-btn-success:hover { background-color: #047857; }
.p2p-wrapper .p2p-btn:disabled { cursor: not-allowed; }

/* ステータス */
.p2p-status-message {
    min-height: 1.5em;
    margin: 12px 0 24px;
    font-size: 0.95rem;
    color: #4a5568;
}
.p2p-status-message.success { color: #059669; font-weight: 500; }
.p2p-status-message.error { color: #dc2626; font-weight: 500; }
.p2p-status-message.info { color: #4f46e5; }

/* 画像グリッド */
.p2p-image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 24px;
    margin-top: 40px;
    padding: 20px;
}

.p2p-image-item {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1),
                0 2px 4px -1px rgba(0, 0, 0, 0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.p2p-image-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1),
                0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.p2p-image-item img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 12px 12px 0 0;
}

.p2p-image-caption {
    padding: 12px 16px;
    color: #4f46e5;
    font-weight: 500;
    background-color: #f8fafc;
    border-top: 1px solid #e2e8f0;
}

@media (max-width: 768px) {
    .p2p-wrapper .p2p-title { font-size: 2rem; }
    .p2p-image-grid { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; }
    .p2p-mode-option { min-width: 100%; max-width: 100%; }
    .p2p-wrapper .p2p-file-label,
    .p2p-wrapper .p2p-btn { width: 100%; }
    .p2p-file-controls,
    .p2p-action-buttons { flex-direction: column; }
}