/* ==========================================================================
   Edel Trace Pro - Frontend Styles
   ========================================================================== */

/* 親要素の詳細度を最大化 */
div#edel-trace-container.edel-trace-card {
    background-color: #ffffff !important;
    padding: 30px !important;
    border-radius: 16px !important;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15) !important;
    max-width: 650px !important;
    margin: 40px auto !important;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif !important;
    color: #333 !important;
    box-sizing: border-box !important;
    display: block !important;
    visibility: visible !important;
}

/* 子要素全てのbox-sizingを強制 */
#edel-trace-container.edel-trace-card *,
#edel-trace-container.edel-trace-card *::before,
#edel-trace-container.edel-trace-card *::after {
    box-sizing: border-box !important;
}

/* ラベル周り */
#edel-trace-container .edel-input-group {
    margin-bottom: 20px !important;
}

#edel-trace-container label {
    display: block !important;
    font-weight: 700 !important;
    margin: 0 0 8px 0 !important;
    color: #444 !important;
    font-size: 15px !important;
    border: none !important;
    padding: 0 !important;
    background: none !important;
}

/* 入力・セレクトボックス */
#edel-trace-container input[type='text'].edel-input,
#edel-trace-container select.edel-input {
    width: 100% !important;
    height: 48px !important;
    padding: 0 15px !important;
    border: 1px solid #ccc !important;
    border-radius: 8px !important;
    font-size: 16px !important;
    background-color: #fff !important;
    color: #333 !important;
    box-shadow: none !important;
    display: block !important;
}

#edel-trace-container .edel-input:focus {
    border-color: #0073aa !important;
    box-shadow: 0 0 0 3px rgba(0, 115, 170, 0.1) !important;
    outline: none !important;
}

/* アップロードエリア */
#edel-trace-container .file-upload-label {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    background: #f8fbff !important;
    border: 2px dashed #0073aa !important;
    padding: 40px 20px !important;
    border-radius: 12px !important;
    cursor: pointer !important;
    margin: 10px 0 !important;
}

#edel-trace-container .upload-icon {
    font-size: 40px !important;
    margin-bottom: 10px !important;
    line-height: 1 !important;
}

/* キャンバス・ガイド */
#edel-trace-container .canvas-wrapper {
    position: relative !important;
    border: 1px solid #ddd !important;
    background: #fdfdfd !important;
    border-radius: 8px !important;
    overflow: hidden !important;
    margin: 15px 0 !important;
}

#edel-trace-container #editor-canvas {
    width: 100% !important;
    height: auto !important;
    display: block !important;
}

#edel-trace-container .instruction {
    text-align: center !important;
    font-weight: bold !important;
    color: #0073aa !important;
    margin: 10px 0 !important;
}

/* ボタン */
#edel-trace-container button {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    border: none !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
    text-decoration: none !important;
}

#edel-trace-container .edel-btn-primary {
    background: #0073aa !important;
    color: #ffffff !important;
    width: 100% !important;
    height: 56px !important;
    font-size: 18px !important;
    font-weight: bold !important;
    border-radius: 8px !important;
}

#edel-trace-container .edel-btn-save {
    background: #28a745 !important;
    color: #ffffff !important;
    flex: 2 !important;
    height: 56px !important;
    font-size: 18px !important;
    font-weight: bold !important;
    border-radius: 8px !important;
}

#edel-trace-container .edel-btn-retry {
    background: #666 !important;
    color: #ffffff !important;
    flex: 1 !important;
    height: 56px !important;
    font-size: 16px !important;
    border-radius: 8px !important;
}

#edel-trace-container button:hover {
    opacity: 0.85 !important;
    transform: translateY(-1px) !important;
}

#edel-trace-container .btn-group {
    display: flex !important;
    gap: 12px !important;
    margin-top: 20px !important;
}

/* プレビュー */
#edel-trace-container .preview-box {
    position: relative !important;
    width: 100% !important;
    background: #eee !important;
    border-radius: 8px !important;
    overflow: hidden !important;
}

#edel-trace-container #model-image-obj {
    width: 100% !important;
    height: auto !important;
    display: block !important;
}

#edel-trace-container #result-canvas {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 100% !important;
    opacity: 0.6 !important;
    pointer-events: none !important;
}

/* モバイル対応 */
@media (max-width: 480px) {
    #edel-trace-container.edel-trace-card {
        padding: 20px 15px !important;
    }
    #edel-trace-container .btn-group {
        flex-direction: column !important;
    }
}

div#edel-trace-container.edel-trace-card {
    background-color: #ffffff !important;
    padding: 30px !important;
    border-radius: 16px !important;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15) !important;
    max-width: 650px !important;
    margin: 40px auto !important;
    font-family: sans-serif !important;
}

#edel-trace-container.edel-trace-card * {
    box-sizing: border-box !important;
}

#edel-trace-container .btn-group {
    display: flex !important;
    gap: 12px !important;
    margin-top: 25px !important;
    margin-bottom: 25px !important;
    align-items: center !important;
}

#edel-trace-container button.edel-btn-primary,
#edel-trace-container button.edel-btn-save,
#edel-trace-container button.edel-btn-retry {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    height: 60px !important;
    min-height: 60px !important;
    border-radius: 8px !important;
    font-weight: bold !important;
    font-size: 18px !important;
    cursor: pointer !important;
    border: none !important;
    padding: 0 20px !important;
    flex: 1 !important;
}

#edel-trace-container .edel-btn-save {
    background: #ff8c00 !important;
    color: #fff !important;
}
#edel-trace-container .edel-btn-retry {
    background: #f0f0f0 !important;
    color: #444 !important;
    border: 1px solid #ddd !important;
}

#edel-trace-container .canvas-wrapper {
    position: relative !important;
    border: 2px solid #ddd !important;
    border-radius: 8px !important;
    touch-action: none !important;
    margin-top: 20px !important;
}

#edel-trace-container .preview-box {
    margin-top: 40px !important; /* ボタン群とプレビュー画像の間の余白を大きく */
}

@media (max-width: 480px) {
    #edel-trace-container.edel-trace-card {
        padding: 20px 15px !important;
    }
    #edel-trace-container .btn-group {
        flex-direction: column !important;
    }
}

#edel-history-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
    margin-top: 30px;
}

@media (max-width: 600px) {
    #edel-history-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.history-item {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    cursor: pointer;
    transition: transform 0.2s;
}

.history-item:hover {
    transform: translateY(-3px);
}

.history-thumb-wrapper {
    aspect-ratio: 3 / 4;
    background: #f0f0f0;
    overflow: hidden;
}

.history-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.history-info-bar {
    padding: 8px;
    background: #f8f8f8;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid #eee;
}

.history-date {
    font-size: 10px;
    color: #888;
}
.history-icons {
    display: flex;
    gap: 5px;
    font-size: 14px;
}

/* モーダル内スライドボタン */
.h-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.4);
    color: #fff;
    border: none;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s;
    padding: 0 !important;
    outline: none !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.h-nav-btn:hover {
    background: rgba(0, 0, 0, 0.7);
}

.h-nav-btn svg {
    pointer-events: none;
    display: block;
}

.modal-comments {
    margin-top: 20px;
    border-top: 1px solid #eee;
    padding-top: 15px;
}
.comment-block {
    margin-bottom: 15px;
    font-size: 14px;
    line-height: 1.6;
}
.comment-block strong {
    display: block;
    color: #666;
    font-size: 12px;
}
.teacher-reply {
    background: #f0f7ff;
    padding: 10px;
    border-radius: 6px;
    border-left: 4px solid #0073aa;
}