/* Mobile Rank Optimization */
@media (max-width: 768px) {

    /* ========================================
       Header Controls (Filter Bar)
       ======================================== */
    .modal-content.modal-large .modal-header {
        padding: 12px 16px !important;
        display: block !important;
        position: relative !important;
    }

    .rank-header-controls {
        display: grid !important;
        grid-template-columns: 1fr 1fr !important;
        gap: 10px !important;
        width: 100% !important;
        margin-top: 0 !important;
        padding-right: 0 !important;
    }

    /* Title */
    .rank-header-controls h2 {
        grid-column: 1 / -1 !important;
        font-size: 18px !important;
        margin-bottom: 8px !important;
        text-align: left !important;
        padding-right: 40px !important;
        /* Space for close button */
    }

    /* Close Button */
    .modal-header .modal-close {
        position: absolute !important;
        top: 10px !important;
        right: 12px !important;
        width: 32px !important;
        height: 32px !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        background: rgba(255, 255, 255, 0.1) !important;
        border-radius: 50% !important;
        z-index: 20 !important;
        font-size: 20px !important;
    }

    /* Inputs and Selects */
    .rank-header-controls select,
    .rank-header-controls input {
        width: 100% !important;
        margin: 0 !important;
        height: 40px !important;
        /* Taller for touch */
        font-size: 14px !important;
        border-radius: 8px !important;
    }

    /* Grid Placement */
    #rankViewType {
        grid-column: 1 / 2 !important;
    }

    #rankExamSelect {
        grid-column: 2 / 3 !important;
    }

    #rankFilterName {
        grid-column: 1 / 2 !important;
    }

    #rankFilterClass {
        grid-column: 2 / 3 !important;
    }

    #rankFilterType {
        grid-column: 1 / 2 !important;
    }

    #rankAIAnalysisBtn {
        grid-column: 2 / 3 !important;
        width: 100% !important;
        margin: 0 !important;
        height: 40px !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        font-size: 14px !important;
    }

    /* ========================================
       Table Layout & Styling
       ======================================== */
    .large-table-container {
        max-height: calc(80vh - 220px) !important;
        /* Adjust for taller header */
        margin-top: 10px !important;
        border-radius: 8px !important;
        border: 1px solid var(--border-color) !important;
    }

    /* Sticky Header */
    #bigRankTable thead th {
        position: sticky !important;
        top: 0 !important;
        z-index: 10 !important;
        background: var(--bg-card) !important;
        box-shadow: 0 1px 0 var(--border-color) !important;
        padding: 12px 4px !important;
        font-size: 13px !important;
        white-space: nowrap !important;
    }

    /* Table Cells */
    #bigRankTable td {
        padding: 12px 4px !important;
        font-size: 14px !important;
        border-bottom: 1px solid var(--border-color) !important;
    }

    /* Name Column */
    .student-name-cell {
        font-weight: 600 !important;
        font-size: 15px !important;
        color: var(--text-primary) !important;
    }

    /* Total Score Column (4th column in mobile view: Rank, Name, Class, Total, ClassRank, Expand) */
    #bigRankTable td:nth-child(4) {
        color: var(--primary-color) !important;
        font-weight: 700 !important;
        font-size: 16px !important;
    }

    /* Rank Column - Refined */
    #bigRankTable td:first-child {
        font-family: var(--font-family) !important;
        /* Use standard font */
        font-weight: 500 !important;
        /* Semi-bold instead of bold */
        color: #9ca3af !important;
        /* Lighter grey (muted) */
        text-align: center !important;
        font-size: 13px !important;
    }

    /* ========================================
       Detail View (Expanded)
       ======================================== */
    .rank-detail-row td {
        padding: 0 !important;
        border: none !important;
        background: var(--bg-tertiary) !important;
    }

    .subject-details {
        display: grid !important;
        grid-template-columns: repeat(3, 1fr) !important;
        gap: 8px !important;
        padding: 12px 16px !important;
        margin: 0 !important;
    }

    .subject-detail-item {
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        justify-content: center !important;
        background: var(--bg-card) !important;
        padding: 10px !important;
        border-radius: 8px !important;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05) !important;
        border: 1px solid var(--border-color) !important;
    }

    .subject-name {
        font-size: 12px !important;
        color: var(--text-muted) !important;
        margin-bottom: 4px !important;
    }

    .subject-score {
        font-size: 16px !important;
        font-weight: 700 !important;
        color: var(--text-primary) !important;
    }
}