/* grading.css - Trade grading and history styles */
/* History items, grade display, screenshots, and empty states */

    .history-item {
        background: linear-gradient(135deg, rgba(40, 40, 40, 0.9) 0%, rgba(20, 20, 20, 0.95) 100%);
        border-radius: 16px;
        padding: 16px;
        margin-bottom: 12px;
        border: 1px solid rgba(255, 255, 255, 0.08);
        display: grid;
        grid-template-columns: 1fr auto 1fr;
        gap: 12px;
        align-items: center;
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4),
                    0 2px 8px rgba(204, 0, 0, 0.08),
                    inset 0 1px 0 rgba(255, 255, 255, 0.05);
        transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        position: relative;
        overflow: hidden;
    }
    
    .history-item::before {
        content: '';
        position: absolute;
        top: -50%;
        left: -50%;
        width: 200%;
        height: 200%;
        background: radial-gradient(circle, rgba(204, 0, 0, 0.08) 0%, transparent 70%);
        opacity: 0;
        transition: opacity 0.6s ease, transform 0.6s ease;
        pointer-events: none;
    }
    
    .history-item:hover {
        transform: translateY(-6px) scale(1.02);
        border-color: rgba(204, 0, 0, 0.3);
        box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6),
                    0 8px 20px rgba(204, 0, 0, 0.25),
                    inset 0 2px 0 rgba(255, 255, 255, 0.1),
                    0 0 40px rgba(204, 0, 0, 0.15);
    }
    
    .history-item:hover::before {
        opacity: 1;
        transform: scale(1.1) rotate(45deg);
    }
    
    .history-item:active {
        transform: translateY(-2px) scale(0.99);
    }

    .history-left {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }

    .history-ticker {
        font-size: 18px;
        font-weight: 700;
        color: white;
    }

    .history-grades-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 4px;
        font-size: 11px;
    }

    .history-grade-item {
        display: flex;
        align-items: center;
        gap: 4px;
        color: #b0b0b0;
    }

    .history-grade-letter {
        font-weight: 700;
        color: #cc0000;
        font-size: 12px;
    }

    .history-grade-value {
        color: #e0e0e0;
        font-weight: 600;
    }

    .history-center {
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 0 8px;
    }

    .history-score-value {
        font-size: 48px;
        font-weight: 700;
        color: white;
        line-height: 1;
    }

    .history-right {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .history-screenshot {
        width: 100%;
        max-width: 120px;
        border-radius: 8px;
        border: 1px solid rgba(255, 255, 255, 0.1);
        cursor: pointer;
        transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        position: relative;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    }
    
    .history-screenshot::after {
        content: '';
        position: absolute;
        inset: 0;
        border-radius: 8px;
        background: linear-gradient(135deg, rgba(204, 0, 0, 0.2), rgba(204, 0, 0, 0.05));
        opacity: 0;
        transition: opacity 0.4s ease;
        pointer-events: none;
    }
    
    .history-screenshot:hover {
        border-color: rgba(204, 0, 0, 0.5);
        transform: scale(1.1) rotate(2deg);
        box-shadow: 0 12px 32px rgba(204, 0, 0, 0.4),
                    0 0 20px rgba(204, 0, 0, 0.2);
        filter: brightness(1.1) saturate(1.2);
    }
    
    .history-screenshot:hover::after {
        opacity: 1;
    }

    .history-no-screenshot {
        width: 100%;
        max-width: 120px;
        height: 80px;
        border-radius: 6px;
        border: 1px dashed #333;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #555;
        font-size: 10px;
    }

    .history-footer {
        grid-column: 1 / -1;
        display: flex;
        gap: 6px;
        margin-top: 8px;
    }

    .delete-btn {
        width: 100%;
        padding: 8px;
        background: rgba(204, 0, 0, 0.1);
        color: #cc0000;
        border: 1px solid rgba(204, 0, 0, 0.3);
        border-radius: 6px;
        font-size: 12px;
        font-weight: 600;
        cursor: pointer;
        transition: all 0.2s;
    }

    .delete-btn:hover {
        background: rgba(204, 0, 0, 0.2);
    }

    .btn-icon {
        width: 14px;
        height: 14px;
        vertical-align: middle;
        margin-right: 4px;
    }

    .empty-state {
        text-align: center;
        padding: 40px 16px;
    }

    .empty-icon {
        font-size: 48px;
        margin-bottom: 12px;
        opacity: 0.3;
    }

    .empty-text {
        color: #666;
        font-size: 14px;
        margin-bottom: 6px;
    }

    .empty-subtext {
        color: #555;
        font-size: 11px;
    }