:root {
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --bg-body: #f3f4f6;
    --bg-card: #ffffff;
    --text-main: #111827;
    --text-muted: #6b7280;
    --border: #e5e7eb;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --radius: 0.75rem;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-body);
    color: var(--text-main);
    line-height: 1.5;
    padding: 2rem;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.header {
    margin-bottom: 2rem;
}

.header h1 {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: -0.025em;
}

.header p {
    color: var(--text-muted);
}

/* Table Card */
.table-container {
    background: var(--bg-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    border: 1px solid var(--border);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.data-table thead {
    background-color: #f9fafb;
    border-bottom: 1px solid var(--border);
}

.data-table th {
    padding: 1rem 1.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.05em;
}

.data-table td {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

.data-table tr:last-child td {
    border-bottom: none;
}

.data-table tr:hover {
    background-color: #f9fafb;
}

/* Typography */
.item-name {
    font-weight: 600;
    color: var(--text-main);
}

.item-sub {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
}

.system-qty {
    background-color: #e0e7ff;
    color: #4338ca;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    gap: 0.5rem;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
}

.btn-success {
    background-color: #059669;
    color: white;
}

.btn-success:hover {
    background-color: #047857;
}

.btn-block {
    width: 100%;
    padding: 0.75rem;
    font-size: 1rem;
}

/* Modal */
.modal {
    display: none; 
    position: fixed; 
    z-index: 50; 
    left: 0;
    top: 0;
    width: 100%; 
    height: 100%; 
    overflow: auto; 
    background-color: rgba(17, 24, 39, 0.6); 
    backdrop-filter: blur(4px);
    align-items: center;
    justify-content: center;
}

.modal.show {
    display: flex;
    animation: fadeIn 0.2s ease-out;
}

.modal-content {
    background-color: #fff;
    margin: auto;
    padding: 2rem;
    border-radius: 1rem;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    position: relative;
    animation: slideUp 0.3s ease-out;
}

.close-modal {
    color: #9ca3af;
    float: right;
    font-size: 1.5rem;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.2s;
}

.close-modal:hover {
    color: #111827;
}

.modal-header {
    margin-bottom: 1.5rem;
}

.modal-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
}

.modal-subtitle {
    font-size: 1rem;
    color: var(--primary);
    font-weight: 500;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

.form-group input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: border-color 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.difference-display {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-muted);
}

.diff-positive { color: #059669; }
.diff-negative { color: #dc2626; }

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* Controls & Filter */
.controls-container {
    margin-bottom: 1.5rem;
}

.filter-form {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.input-group {
    position: relative;
    flex: 1;
    min-width: 250px;
}

.search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

.input-group input,
.input-group select {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.5rem; /* space for icon */
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.875rem;
    background-color: var(--bg-card);
    transition: all 0.2s;
    appearance: none; /* remove default arrow for select if desired, but keeping standard is safer */
}

/* Custom Select Arrow adjustment if appearance is none, or just let default be for now */

.input-group input:focus,
.input-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.badge-rak {
    background-color: #f3f4f6;
    color: #374151;
    border: 1px solid #e5e7eb;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-top: 2rem;
    padding-bottom: 2rem;
}

.btn-page {
    text-decoration: none;
    color: var(--text-main);
    background: white;
    padding: 0.5rem 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s;
}

.btn-page:hover {
    background: #f3f4f6;
    border-color: #d1d5db;
}

.page-info {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Responsive Card View */
@media (max-width: 768px) {
    body {
        padding: 1rem;
    }

    .header h1 {
        font-size: 1.5rem;
    }

    /* Hide standard headers */
    .data-table thead {
        display: none;
    }

    .data-table, .data-table tbody, .data-table tr, .data-table td {
        display: block;
        border: none;
    }

    .data-table tr {
        margin-bottom: 1rem;
        background: var(--bg-card);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        padding: 1rem;
        box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    }
    
    .data-table td {
        padding: 0.5rem 0;
        display: flex;
        justify-content: space-between;
        align-items: center;
        text-align: right;
        border-bottom: 1px solid #f3f4f6;
    }

    .data-table td:last-child {
        border-bottom: none;
        padding-top: 1rem;
        justify-content: center; /* Center the button */
    }

    /* Add Label via data-label with pseudo-element */
    .data-table td::before {
        content: attr(data-label);
        font-weight: 600;
        font-size: 0.875rem;
        color: var(--text-muted);
        text-transform: uppercase;
        margin-right: 1rem;
        text-align: left;
    }

    .btn-opname {
        width: 100%;
    }
    
    /* Adjust specific cells for Mobile */
    .item-name {
        text-align: right;
    }
}

/* Audited Status Styles */
.badge-success {
    background-color: #10b981;
    color: white;
    font-size: 0.7rem;
    padding: 0.15rem 0.5rem;
    margin-left: 0.5rem;
    vertical-align: middle;
}

.row-audited {
    background-color: rgba(16, 185, 129, 0.05) !important;
}

.btn-secondary {
    background-color: #6b7280;
    color: white;
}

.btn-secondary:hover {
    background-color: #4b5563;
}

/* Dashboard Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-card);
    padding: 1.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 1.25rem;
    border: 1px solid var(--border);
}

.stat-icon {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.icon-blue { background: #e0e7ff; color: #4338ca; }
.icon-green { background: #d1fae5; color: #059669; }
.icon-orange { background: #ffedd5; color: #c2410c; }

.stat-info h3 {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.stat-value {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1;
}

/* Dashboard Content Split */
.dashboard-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 1.5rem;
}

@media (max-width: 900px) {
    .dashboard-content {
        grid-template-columns: 1fr;
    }
}

.chart-section, .activity-section {
    background: var(--bg-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
}

.card-header {
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
    padding-bottom: 1rem;
}

.card-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
}

.chart-container {
    height: 250px;
    position: relative;
    margin-bottom: 1rem;
}

.chart-legend {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: auto;
}

.legend-item {
    display: flex;
    align-items: center;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 0.5rem;
}

.dot-green { background-color: #10b981; }
.dot-orange { background-color: #f97316; }

/* Header Flex */
.header-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.text-sm { font-size: 0.75rem; }
.text-success { color: #10b981; }
.text-danger { color: #ef4444; }
.text-muted { color: #9ca3af; }
.font-bold { font-weight: 600; }

.activity-table td {
    padding: 0.75rem 0.5rem;
}


/* Form Group Select Styling */
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    font-size: 1rem;
    background-color: var(--bg-card);
    transition: border-color 0.2s;
    appearance: none; /* Uniform look */
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.5rem center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: 2.5rem;
}

.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}