/* ===== MOBILE SPECIFIC ENHANCEMENTS ===== */

/* Summary Cards for Mobile */
.summary-card {
    border: 1px solid var(--border-color);
    background: var(--background-primary);
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.summary-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--gray-300);
}

.summary-card .summary-value {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.summary-card .summary-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

/* Mobile Expense Claim Cards */
.expense-claim-card {
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--primary-color);
    transition: all var(--transition-normal);
    background: var(--background-primary);
}

.expense-claim-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--gray-300);
    border-left-color: var(--primary-hover);
}

.expense-claim-card .card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Mobile Filter Improvements */
@media (max-width: 767.98px) {
    .container-fluid {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    /* Compact header */
    .page-header h2 {
        font-size: 1.5rem;
        margin-bottom: 0.5rem;
    }
    
    /* Summary cards spacing */
    .summary-card .card-body {
        padding: 0.75rem;
    }
    
    .summary-card .summary-value {
        font-size: 1.25rem;
    }
    
    .summary-card .summary-label {
        font-size: 0.7rem;
    }
    
    /* Filter form improvements */
    .card-body form .form-label {
        font-size: 0.875rem;
        font-weight: 500;
        margin-bottom: 0.25rem;
    }
    
    .form-control, .form-select {
        font-size: 0.875rem;
        padding: 0.5rem 0.75rem;
    }
    
    /* Mobile expense cards */
    .expense-claim-card {
        margin-bottom: 1rem;
    }
    
    .expense-claim-card .card-body {
        padding: 1rem;
    }
    
    .expense-claim-card .card-title {
        font-size: 0.95rem;
        line-height: 1.3;
    }
    
    /* Badge adjustments */
    .badge {
        font-size: 0.7rem;
        padding: 0.25rem 0.5rem;
    }
    
    /* Button group spacing */
    .btn-group .btn {
        padding: 0.375rem 0.5rem;
    }
    
    /* Empty state adjustments */
    .empty-state {
        padding: 2rem 1rem;
    }
    
    .empty-state i {
        font-size: 2.5rem;
        margin-bottom: 1rem;
    }
    
    .empty-state h4 {
        font-size: 1.25rem;
    }
    
    .empty-state p {
        font-size: 0.9rem;
    }
}

/* Extra small devices */
@media (max-width: 575.98px) {
    .container-fluid {
        padding-left: 0.75rem;
        padding-right: 0.75rem;
    }
    
    /* Even more compact summary cards */
    .summary-card .summary-value {
        font-size: 1.1rem;
    }
    
    .summary-card .summary-label {
        font-size: 0.65rem;
    }
    
    /* Tighter spacing for expense cards */
    .expense-claim-card .card-body {
        padding: 0.75rem;
    }
    
    .expense-claim-card .card-title {
        font-size: 0.9rem;
    }
    
    /* Smaller buttons */
    .btn-sm {
        padding: 0.25rem 0.4rem;
        font-size: 0.75rem;
    }
    
    /* Filter form stacking */
    .card-body form .row > div {
        margin-bottom: 0.75rem;
    }
}

/* Landscape phone optimization */
@media (max-width: 767.98px) and (orientation: landscape) {
    .summary-card .card-body {
        padding: 0.5rem;
    }
    
    .summary-card .summary-value {
        font-size: 1rem;
    }
    
    .summary-card .summary-label {
        font-size: 0.65rem;
    }
    
    .expense-claim-card .card-body {
        padding: 0.75rem;
    }
}

/* Touch-friendly improvements */
@media (hover: none) and (pointer: coarse) {
    .btn {
        min-height: 44px;
        min-width: 44px;
    }
    
    .form-control, .form-select {
        min-height: 44px;
    }
    
    .expense-claim-card {
        margin-bottom: 0.75rem;
    }
    
    .expense-claim-card:active {
        transform: scale(0.98);
    }
}

/* Loading states for mobile */
.mobile-loading {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 200px;
}

.mobile-loading .spinner-border {
    width: 2rem;
    height: 2rem;
}

/* Improved focus states for mobile */
@media (max-width: 767.98px) {
    .btn:focus,
    .form-control:focus,
    .form-select:focus {
        outline: 3px solid var(--primary-color);
        outline-offset: 2px;
    }
}

/* Status-specific card styling */
.expense-claim-card[data-status="Draft"] {
    border-left-color: var(--gray-400);
}

.expense-claim-card[data-status="Submitted"] {
    border-left-color: var(--warning-color);
}

.expense-claim-card[data-status="Approved"] {
    border-left-color: var(--success-color);
}

.expense-claim-card[data-status="Rejected"] {
    border-left-color: var(--danger-color);
}

.expense-claim-card[data-status="Paid"] {
    border-left-color: var(--info-color);
}