/* ==========================================================================
   Modern Dashboard Stylesheet (v2)
   ========================================================================== */

/* -------------------------------------------------------------------------- */
/* 1. CSS Variables (Custom Properties) for easy theme management           */
/* -------------------------------------------------------------------------- */
:root {
    /* Colors */
    --primary-color: #4A90E2;
    --primary-color-dark: #3a75c4;
    --primary-bg-light: #eef5fc;
    --secondary-color: #6c757d;
    --secondary-color-dark: #5a6268;
    --sidebar-bg: #1e293b;
    --sidebar-header-bg: #131a25;
    --background-color: #f1f5f9;
    --card-bg: #ffffff;
    --text-color: #334155;
    --text-light: #e2e8f0;
    --text-muted: #94a3b8;
    --border-color: #e2e8f0;
    --shadow-color: rgba(149, 157, 165, 0.1);
    --table-header-bg: #f8fafc;
    --table-hover-bg: #f8fafc;

    --success-color: #16a34a;
    --success-bg: #f0fdf4;
    --warning-color: #f59e0b;
    --warning-bg: #fffbeb;
    --danger-color: #e11d48;
    --danger-bg: #fef1f2;
    --info-color: #3b82f6;
    --info-bg: #eff6ff;


    /* Typography */
    --font-family-primary: 'Inter', sans-serif;
    --font-family-secondary: 'Cairo', sans-serif; /* For Arabic/Kurdish */

    /* Spacing */
    --spacing-xs: 0.25rem; /* 4px */
    --spacing-sm: 0.5rem;  /* 8px */
    --spacing-md: 1rem;    /* 16px */
    --spacing-lg: 1.5rem;  /* 24px */
    --spacing-xl: 2rem;    /* 32px */

    /* Borders & Shadows */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
    --box-shadow: 0 8px 24px var(--shadow-color);

    /* Transitions */
    --transition-speed: 0.2s;
}

/* --- Dark Mode Theme --- */
[data-theme="dark"] {
    --primary-color: #5d9eff; /* A slightly brighter blue for dark backgrounds */
    --primary-bg-light: #2a3a50;
    --sidebar-bg: #111827;
    --sidebar-header-bg: #0d121c;
    --background-color: #0f172a; /* Main background */
    --card-bg: #1e293b; /* Card background */
    --text-color: #e2e8f0; /* Light text */
    --text-light: #e2e8f0;
    --text-muted: #94a3b8;
    --border-color: #334155; /* Darker border */
    --shadow-color: rgba(0, 0, 0, 0.2);
    --table-header-bg: #131a25;
    --table-hover-bg: #334155;
    
    --success-bg: #143622;
    --warning-bg: #422c09;
    --danger-bg: #4c111b;
    --info-bg: #1c2b4c;
}

/* --- Theme Toggle Switch --- */
.theme-switcher {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
}
.theme-switcher .switch {
    position: relative;
    display: inline-block;
    width: 40px;
    height: 22px;
}
.theme-switcher .switch input {
    opacity: 0;
    width: 0;
    height: 0;
}
.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #4b5563;
    transition: .4s;
    border-radius: 22px;
}
.slider:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}
input:checked + .slider {
    background-color: var(--primary-color);
}
input:checked + .slider:before {
    transform: translateX(18px);
}

/* -------------------------------------------------------------------------- */
/* 2. Global Styles & Resets                                                */
/* -------------------------------------------------------------------------- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family-primary);
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: var(--primary-color);
}
/* Accessibility helper class */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}
/* -------------------------------------------------------------------------- */
/* 3. Main Layout: Dashboard Container (CSS Grid)                           */
/* -------------------------------------------------------------------------- */
.dashboard-container {
    display: grid;
    grid-template-columns: 260px 1fr;
    grid-template-rows: 100vh;
    grid-template-areas: "sidebar main";
}

/* Remove padding from the main scrollable area */
.main-content {
    grid-area: main;
    overflow-y: auto;
    overflow-x: auto;
    padding: 0; /* This was var(--spacing-lg) */
    background-color: var(--background-color);
}

/* Add padding to the content section itself */
.content-area {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    padding: var(--spacing-lg); /* Padding moved here */
}

/* -------------------------------------------------------------------------- */
/* 4. Sidebar Navigation                                                    */
/* -------------------------------------------------------------------------- */
.sidebar {
    grid-area: sidebar;
    background-color: var(--sidebar-bg);
    color: var(--text-light);
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border-color);
    height: 100vh;
    position: sticky;
    top: 0; 
}

.sidebar-header {
    padding: var(--spacing-lg);
    background-color: var(--sidebar-header-bg);
    border-bottom: 1px solid var(--sidebar-bg);
}

.sidebar-header h3 {
    color: var(--text-light);
    font-size: 1.1rem;
    text-align: center;
}

.sidebar-nav {
    flex-grow: 1;
    padding: var(--spacing-md) 0;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: 0.6rem var(--spacing-lg); /* Reduced from 0.8rem */
    font-size: 0.9rem;                 /* New smaller font size */
    color: var(--text-muted);
    font-weight: 500;
    transition: all var(--transition-speed) ease;
    border-left: 3px solid transparent;
}

.sidebar-nav a:hover {
    background-color: var(--sidebar-header-bg);
    color: var(--text-light);
}

.sidebar-nav a.active {
    background-color: var(--sidebar-header-bg);
    color: var(--text-light);
    border-left-color: var(--primary-color);
}

.sidebar-nav a svg {
    width: 18px;  /* Reduced from 20px */
    height: 18px; /* Reduced from 20px */
    stroke-width: 2;
}

.sidebar-footer {
    padding: var(--spacing-lg);
    margin-top: auto;
    border-top: 1px solid var(--sidebar-header-bg);
    font-size: 0.85rem;
    color: var(--text-muted);
}

.sidebar-footer p {
    margin-bottom: var(--spacing-md);
}

.sidebar-footer strong {
    color: var(--text-light);
}

/* -------------------------------------------------------------------------- */
/* 5. Generic Components (Buttons, Forms, Cards, etc.)                      */
/* -------------------------------------------------------------------------- */
.main-header {
    margin-bottom: var(--spacing-lg);
}

.main-header h1 {
    font-size: 1.8rem;
    color: var(--text-color);
}

/* --- Buttons --- */
.btn-primary {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: background-color var(--transition-speed) ease;
}
.btn-primary:hover {
    background-color: var(--primary-color-dark);
}

.btn-primary-small {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.9rem;
    background-color: var(--primary-color);
    color: white;
    border-radius: var(--border-radius-md);
    font-weight: 500;
    transition: background-color var(--transition-speed) ease;
    border: none;
    cursor: pointer;
}
.btn-primary-small:hover {
    background-color: var(--primary-color-dark);
}

.btn-secondary-small {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.9rem;
    background-color: var(--card-bg);
    color: var(--text-color);
    border-radius: var(--border-radius-md);
    font-weight: 500;
    transition: all var(--transition-speed) ease;
    border: 1px solid var(--border-color);
    cursor: pointer;
}
.btn-secondary-small:hover {
    background-color: var(--background-color);
    border-color: #cbd5e1;
}

.btn-logout {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: background-color var(--transition-speed) ease;
}

.btn-logout:hover {
    background-color: var(--primary-color-dark);
}

/* --- Form Elements --- */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    font-size: 0.9rem;
}

.form-group input[type="text"],
.form-group input[type="date"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    background-color: var(--card-bg);
    color: var(--text-color);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input[type="text"]:focus,
.form-group input[type="date"]:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.2);
}

textarea {
    resize: vertical;
}
/* --- A new generic secondary button --- */
.btn-secondary {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: var(--card-bg);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
}
.btn-secondary:hover {
    background-color: var(--background-color);
    border-color: #cbd5e1;
}

/* --- Form Validation & Read-only States --- */
.invalid-feedback {
    display: none; /* Hidden by default */
    width: 100%;
    margin-top: .25rem;
    font-size: .875em;
    color: var(--danger-color);
}

/* Style for inputs that fail validation (you would add this class with JS) */
.is-invalid {
    border-color: var(--danger-color);
}
.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(225, 29, 72, 0.2);
}
.is-invalid ~ .invalid-feedback {
    display: block; /* Show the message */
}

/* Style for read-only inputs, replacing the JS inline style */
input:read-only {
    background-color: #e9ecef; /* A light grey */
    cursor: not-allowed;
}
/* --- Alert Box Styles --- */
.alert {
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    border: 1px solid transparent;
    border-radius: var(--border-radius-md);
    text-align: left;
}

.alert-danger {
    color: var(--danger-color);
    background-color: var(--danger-bg);
    border-color: var(--danger-color);
}
/* -------------------------------------------------------------------------- */
/* 6. Page-Specific: Forms (Add/Edit Equipment)                             */
/* -------------------------------------------------------------------------- */

.form-container {
    background-color: var(--card-bg);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow);
    max-width: 800px; /* Or your preferred max width */
    margin: 0 auto; /* Center the form on the page */
}

.form-row {
    display: grid;
    grid-template-columns: 1fr; /* Default to a single column on mobile */
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

/* Create two columns on screens wider than 768px */
@media (min-width: 768px) {
    .form-row {
        grid-template-columns: 1fr 1fr;
    }
}

.form-group-checkbox {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin: var(--spacing-lg) 0;
}
.form-group-checkbox input[type="checkbox"] {
    width: 1.25em;
    height: 1.25em;
    cursor: pointer;
}
.form-group-checkbox label {
    margin-bottom: 0; /* Override default form-group label margin */
    cursor: pointer;
    font-weight: 500;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}
/* -------------------------------------------------------------------------- */
/* 6. Page-Specific: Dashboard                                              */
/* -------------------------------------------------------------------------- */

/* --- Stats Cards --- */
.stats-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.card {
    background-color: var(--card-bg);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow);
    transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 28px var(--shadow-color);
}

.card h4 {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
}

.card p {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-color);
}

.card.card-defective p { color: var(--danger-color); }
.card.card-sold p { color: var(--success-color); }

/* --- Charts --- */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-lg);
}

.chart-container {
    background-color: var(--card-bg);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow);
    min-height: 400px;
    display: flex;
    flex-direction: column;
}

.chart-container h3 {
    margin-bottom: var(--spacing-md);
    text-align: center;
    font-size: 1.1rem;
}

.chart-container canvas {
    max-height: 350px;
}

/* -------------------------------------------------------------------------- */
/* 7. Page-Specific: Inventory                                              */
/* -------------------------------------------------------------------------- */

/* --- Filter Form --- */
.filter-form {
    background-color: var(--card-bg);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--spacing-xl);
    border: 1px solid var(--border-color);
}

.filter-inputs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.filter-inputs input,
.filter-inputs select {
    width: 100%;
    padding: var(--spacing-sm);
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
}

.filter-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.filter-group label {
    font-weight: 500;
    font-size: 0.9rem;
}

.radio-group {
    display: flex;
    gap: var(--spacing-md);
}

.radio-group label {
    font-weight: 400;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    cursor: pointer;
}

.filter-actions {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    border-top: 1px solid var(--border-color);
    padding-top: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.clear-search {
    color: var(--secondary-color);
    font-size: 0.9rem;
    font-weight: 500;
}
.clear-search:hover {
    text-decoration: underline;
}
/* Add top margin to card titles */
.card > h3 {
    margin-bottom: var(--spacing-md);
}

/* Remove internal padding/shadows from tables inside cards */
.card .table-container {
    box-shadow: none;
    padding: 0;
    border-radius: 0;
    border-top: 1px solid var(--border-color);
}

.card .table-container table thead th:first-child {
    padding-left: 0;
}
.card .table-container table tbody td:first-child {
    padding-left: 0;
}
/* --- Table Styles --- */
.table-container {
    background-color: var(--card-bg);
    padding: 0;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow);
    overflow: hidden;
}

.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}
.table-header h3 {
    font-size: 1.2rem;
}
.table-header-actions {
    display: flex;
    gap: var(--spacing-sm);
}
/* Style for filter forms placed directly inside a table-container */
.table-container > .filter-form {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    display: flex; /* Overrides the default display to ensure proper layout */
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-md);
}

.table-container > .filter-form .filter-inputs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-md);
    flex-grow: 1; /* Allows inputs to take available space */
}

/* Make the main search input larger than other filters */
.table-container > .filter-form .main-search {
    grid-column: 1 / -1; /* Make it span the full width on smaller layouts */
}

@media (min-width: 768px) {
    .table-container > .filter-form .main-search {
       grid-column: span 2; /* Make it twice as wide as other filters on desktop */
    }
}

.table-wrapper {
    overflow-x: auto; /* Makes table scrollable on small screens */
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

th {
    padding: var(--spacing-md);
    text-align: left;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
    background-color: var(--table-header-bg);
    border-bottom: 1px solid var(--border-color);
}

tbody tr {
    border-bottom: 1px solid var(--border-color);
    transition: background-color var(--transition-speed) ease;
}

tbody tr:last-child {
    border-bottom: none;
}

tbody tr:hover {
    background-color: var(--table-hover-bg);
}

td {
    padding: var(--spacing-md);
    color: var(--text-color);
    vertical-align: middle;
}

td strong {
    font-weight: 600;
    color: var(--text-color);
}

/* --- Table Cell Specifics --- */
.remark-cell {
    cursor: help;
    text-decoration: dotted underline var(--text-muted);
    text-decoration-thickness: 1px;
}

.status-badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: var(--border-radius-lg);
    line-height: 1.4;
}

.status-in-warehouse { background-color: var(--info-bg); color: var(--info-color); }
.action-rejected { background-color: var(--danger-bg); color: var(--danger-color); }
.status-defective { background-color: var(--danger-bg); color: var(--danger-color); }
.reason-pending { background-color: var(--warning-bg); color: var(--warning-color); }

.ready-yes, .ready-no { font-weight: 600; }
.ready-yes { color: var(--success-color); }
.ready-no { color: var(--danger-color); }

.actions-cell {
    white-space: nowrap;
}

.action-btn {
    display: inline-block;
    padding: 0.3rem 0.6rem;
    margin: 0 var(--spacing-xs);
    border-radius: var(--border-radius-sm);
    border: 1px solid transparent;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    background: none;
    color: var(--secondary-color);
    transition: all var(--transition-speed) ease;
}
.action-btn:hover {
    background-color: var(--background-color);
    border-color: var(--border-color);
    color: var(--text-color);
}
.action-btn.edit:hover { color: var(--primary-color); }
.action-btn.info:hover { color: var(--info-color); }
.action-btn.delete:hover { color: var(--danger-color); }

.actions-cell form {
    display: inline-block !important;
}


/* --- Pagination --- */
.pagination {
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.9rem;
    border-top: 1px solid var(--border-color);
}

.pagination a {
    padding: var(--spacing-sm) 0.75rem;
    border-radius: var(--border-radius-md);
    color: var(--text-color);
    transition: all var(--transition-speed) ease;
}
.pagination a:hover {
    background-color: var(--background-color);
}
.pagination a.active {
    background-color: var(--primary-color);
    color: white;
    font-weight: 600;
}
/* --- Styles for <details> and <summary> in tables --- */
td details {
    font-size: 0.9em;
}

td summary {
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--primary-color);
    font-weight: 500;
    list-style: none; /* Hide default arrow */
    transition: color 0.2s ease;
}

td summary:hover {
    color: var(--primary-color-dark);
}

td summary::-webkit-details-marker {
    display: none; /* Hide default arrow for Chrome/Safari */
}

/* Custom Arrow Icon */
td summary::before {
    content: '';
    display: block;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 5px 0 5px 8px; /* Creates a triangle pointing right */
    border-color: transparent transparent transparent var(--primary-color);
    transition: transform 0.2s ease;
}

/* Rotate arrow when dropdown is open */
td details[open] > summary::before {
    transform: rotate(90deg);
}

td details ul {
    list-style: none;
    margin-top: var(--spacing-md);
    padding-left: var(--spacing-md);
    border-left: 2px solid var(--border-color);
}

td details li {
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-muted);
}
/* Style for table cells that span multiple columns (used for empty states) */
td[colspan] {
    text-align: center;
    color: var(--text-muted);
    padding: var(--spacing-xl) 0;
    font-style: italic;
}
/* -------------------------------------------------------------------------- */
/* 8. Page-Specific: Transfer & Point of Sale (POS) Interface               */
/* -------------------------------------------------------------------------- */

/* --- Main Layout for POS & Transfer Pages --- */
.pos-main {
    display: flex;
    flex-direction: row;
    gap: var(--spacing-lg);
    align-items: flex-start;
}

.product-grid {
    flex: 2.5; /* Adjusted flex value */
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: var(--spacing-md);
    align-content: start;
}

.cart-panel {
    flex: 1;
    min-width: 320px;
    background: var(--card-bg);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow);
    border: 1px solid var(--border-color);
    position: sticky;
    top: var(--spacing-lg);
}

.cart-panel h3 {
    margin-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: var(--spacing-md);
}

/* --- Shared Product Card Style --- */
.product-card-pos {
    background: var(--card-bg);
    border-radius: var(--border-radius-md);
    text-align: center;
    padding: var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.product-card-pos:hover {
    transform: translateY(-4px);
    box-shadow: var(--box-shadow);
    border-color: var(--primary-color);
}

.product-card-pos.in-cart { /* Used by Transfer Page */
    background-color: var(--primary-bg-light);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px var(--primary-color);
}

.product-card-pos h4 {
    margin: var(--spacing-sm) 0;
    font-size: 0.9em;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--text-color);
}

.product-card-pos p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.8em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.product-card-pos p strong { /* For the price on POS page */
    color: var(--success-color);
    font-weight: 700;
    font-size: 1.2em;
}

/* --- Cart Item List --- */
.cart-items {
    max-height: 350px;
    overflow-y: auto;
    margin: var(--spacing-md) 0;
    padding-right: var(--spacing-sm); /* for scrollbar */
}

/* --- Specific Cart Item Styles (Transfer vs. POS) --- */

/* Transfer Page Cart Item */
#transferForm .cart-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
}

/* Point of Sale Page Cart Item */
#saleForm .cart-item {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--spacing-md);
    align-items: center;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--border-color);
}

#saleForm .cart-item strong { font-size: 0.9rem; }
#saleForm .cart-item small { font-size: 0.8rem; color: var(--text-muted); }

.cart-item-details {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.cart-item-details input {
    width: 65px;
    text-align: center;
    padding: var(--spacing-xs);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
}

/* --- Shared Remove Button --- */
.btn-remove-item {
    background: none;
    border: none;
    color: var(--danger-color);
    cursor: pointer;
    font-size: 1.5rem;
    line-height: 1;
    padding: 0 var(--spacing-sm);
    transition: transform 0.2s ease;
}
.btn-remove-item:hover {
    transform: scale(1.2);
}


/* --- POS Page Cart Summary (Refined) --- */
#cart-summary {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.cart-total {
    display: flex;
    justify-content: space-between;
    font-size: 1em;
    font-weight: 600;
    color: var(--text-muted);
}
.cart-total span:last-child {
    color: var(--text-color);
    font-weight: 700;
}

.grand-total {
    font-size: 1.5em;
    color: var(--primary-color);
    padding-top: var(--spacing-sm);
    border-top: 1px dashed var(--border-color);
}
.grand-total span:last-child {
    color: var(--primary-color);
}
/* --- UX Enhancements --- */

/* Add focus outline to cart inputs */
.cart-item-details input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px var(--primary-bg-light);
}

/* Better "In Cart" indicator for product cards */
.product-card-pos.in-cart {
    border-color: var(--primary-color);
    background-color: var(--primary-bg-light);
}

.product-card-pos.in-cart::after {
    content: '✔';
    position: absolute;
    top: 5px;
    right: 8px;
    background-color: var(--primary-color);
    color: white;
    font-size: 0.8rem;
    font-weight: bold;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

/* -------------------------------------------------------------------------- */
/* 8. Modals (Popups)                                                       */
/* -------------------------------------------------------------------------- */
.modal {
    visibility: hidden;
    opacity: 0;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(30, 41, 59, 0.5); /* sidebar-bg with opacity */
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity var(--transition-speed) ease, visibility var(--transition-speed) ease;
}

.modal.show {
    visibility: visible;
    opacity: 1;
}

.modal-content {
    background-color: var(--card-bg);
    margin: auto;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    width: 90%;
    max-width: 500px;
    position: relative;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transform: scale(0.95);
    transition: transform var(--transition-speed) ease;
}

.modal.show .modal-content {
    transform: scale(1);
}

.modal-content h3 {
    margin-bottom: var(--spacing-lg);
    font-size: 1.5rem;
}

.close-button {
    color: var(--text-muted);
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-lg);
    font-size: 28px;
    font-weight: bold;
    line-height: 1;
    cursor: pointer;
    transition: color var(--transition-speed) ease;
}

.close-button:hover,
.close-button:focus {
    color: var(--text-color);
}


/* -------------------------------------------------------------------------- */
/* 9. Responsive Design (Media Queries)                                     */
/* -------------------------------------------------------------------------- */

/* Tablet & Smaller Desktops */
@media (max-width: 1200px) {
    .dashboard-grid {
        grid-template-columns: 1fr; /* Stack charts on smaller screens */
    }
}
@media (max-width: 992px) {
    .pos-main {
        flex-direction: column;
    }
    .cart-panel {
        position: static;
        width: 100%;
    }
}

/* Mobile Devices */
@media (max-width: 768px) {
    .dashboard-container {
        grid-template-columns: 1fr;
        grid-template-areas: "main";
    }

    /* On mobile, the sidebar is hidden. 
       You would need JavaScript to add a "hamburger" button 
       to toggle its visibility.
    */
    .sidebar {
        display: none; 
    }

    .main-content {
        padding: var(--spacing-md);
    }

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

    .stats-cards, .filter-form, .content-area {
        gap: var(--spacing-md);
        margin-bottom: var(--spacing-md);
        
    }
    
    .card p {
        font-size: 2rem;
    }
    
    .table-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
    
    .pagination {
        justify-content: center;
    }
}
/* -------------------------------------------------------------------------- */
/* 8. Page-Specific: Transfer / POS Interface                               */
/* -------------------------------------------------------------------------- */
.pos-main {
    display: flex;
    flex-direction: row;
    gap: var(--spacing-lg);
    align-items: flex-start;
}
.product-grid {
    flex: 3;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-md);
    align-content: start;
}
.cart-panel {
    flex: 1;
    min-width: 300px;
    background: var(--card-bg);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow);
    position: sticky;
    top: var(--spacing-lg);
}
.cart-panel h3 {
    margin-bottom: var(--spacing-md);
}
.product-card-pos {
    background: var(--card-bg);
    border-radius: var(--border-radius-md);
    text-align: center;
    padding: var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}
.product-card-pos:hover {
    transform: translateY(-4px);
    box-shadow: var(--box-shadow);
    border-color: var(--primary-color);
}
.product-card-pos.in-cart {
    background-color: var(--primary-bg-light);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px var(--primary-color);
}
.product-card-pos h4 {
    margin: var(--spacing-sm) 0;
    font-size: 0.95em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--text-color);
}
.product-card-pos p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.8em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.product-card-pos .city {
    font-weight: bold;
    color: var(--secondary-color);
    font-size: 0.85em;
}

.cart-items {
    max-height: 400px;
    overflow-y: auto;
    margin: var(--spacing-md) 0;
    padding-right: var(--spacing-sm); /* for scrollbar */
}
.cart-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
}
.cart-item div small {
    color: var(--text-muted);
    font-size: 0.85em;
}
.btn-remove-item {
    background: none;
    border: none;
    color: var(--danger-color);
    cursor: pointer;
    font-size: 1.5rem;
    line-height: 1;
    padding: 0 var(--spacing-sm);
    transition: transform 0.2s ease;
}
.btn-remove-item:hover {
    transform: scale(1.2);
}

.filter-inputs-container {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    flex-grow: 1;
}
/* -------------------------------------------------------------------------- */
/* 11. Page-Specific: Settings & Tabs                                       */
/* -------------------------------------------------------------------------- */

.tabs-container {
    width: 100%;
}

.tab-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: var(--spacing-sm);
}

.tab-button {
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    background: none;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-muted);
    border-bottom: 3px solid transparent;
    transition: all var(--transition-speed) ease;
    margin-bottom: -2px; /* Align with the container's bottom border */
}

.tab-button:hover {
    background-color: var(--background-color);
    color: var(--text-color);
}

.tab-button.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    overflow: hidden;
    max-height: 0; /* Hidden by default, height is controlled by JS */
    transition: max-height 0.5s ease-in-out;
}

.tab-content.active {
    /* max-height is set by the JavaScript to create a smooth expand effect */
    padding-top: var(--spacing-sm);
}
/* --- Styles for content within Settings tabs --- */

.settings-card {
    margin-bottom: var(--spacing-lg);
}

/* A more compact table for lists */
.table-container-condensed {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    overflow: hidden;
}

.table-container-condensed table td,
.table-container-condensed table th {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.9rem;
}

/* Style for the small forms inside table cells */
.role-form select {
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    width: 100%;
    min-width: 100px;
}

/* Style for the inline form to add new types/cities */
.add-type-form {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    background-color: #f8fafc;
}

.add-type-form input[type="text"] {
    flex-grow: 1;
    border: 1px solid var(--border-color);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-md);
}

/* Ensure the 'Add User' form with the .form-row class looks good */
.settings-card > form.form-row {
    padding: var(--spacing-md);
}

.settings-card > form.form-row .form-actions {
    border-top: none;
    padding: 0;
    margin: 0;
}
/* -------------------------------------------------------------------------- */
/* 12. Standalone Pages (Login, Register)                                   */
/* -------------------------------------------------------------------------- */

/* Full-screen container to center the content */
.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    width: 100%;
    background-color: var(--background-color);
    padding: var(--spacing-lg);
}

/* The white box in the middle */
.login-box {
    background-color: var(--card-bg);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow);
    width: 100%;
    max-width: 420px; /* Controls the maximum width of the login box */
    text-align: center;
}

.login-box h2 {
    font-size: 1.8rem;
    color: var(--text-color);
    margin-bottom: var(--spacing-sm);
}

.login-box p {
    color: var(--text-muted);
    margin-bottom: var(--spacing-xl);
}

/* We want the form elements to be left-aligned inside the centered box */
.login-box .form-group {
    text-align: left;
    margin-bottom: var(--spacing-lg);
}

/* Make the primary button full-width inside the login box */
.login-box .btn-primary {
    width: 100%;
}

.login-box .small-text {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: var(--spacing-lg);
}
.login-box .small-text a {
    font-weight: 600;
    color: var(--primary-color);
}
/* --- Password Field with Show/Hide Toggle --- */

.password-wrapper {
    position: relative;
}

.password-wrapper input {
    /* Add padding to the right to make space for the icon */
    padding-right: 40px !important; 
}

.password-toggle {
    position: absolute;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    height: 100%;
    padding: 0 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}
.password-toggle:hover {
    color: var(--text-color);
}

.invoice-container {
    max-width: 800px;
    margin: 20px auto;
    background: #ffffff;
    border-radius: 8px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.invoice-header {
    background-color: var(--primary-color);
    color: var(--text-light);
    padding: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.invoice-header h1 {
    margin: 0;
    font-size: 2.25rem;
    font-weight: 700;
}

.invoice-header .company-logo {
    font-size: 1.5rem;
    font-weight: bold;
}

.invoice-details {
    display: flex;
    justify-content: space-between;
    padding: 30px;
    border-bottom: 1px solid var(--border-color);
}

.invoice-details div {
    line-height: 1.6;
}

.invoice-details strong {
    color: var(--text-dark);
    font-weight: 600;
}

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

.invoice-table thead {
    background-color: #f3f4f6;
}

.invoice-table th {
    padding: 12px 20px;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.05em;
    color: var(--secondary-color);
}

.invoice-table tbody tr {
    border-bottom: 1px solid var(--border-color);
}

.invoice-table tbody tr:last-child {
    border-bottom: none;
}

.invoice-table td {
    padding: 15px 20px;
    vertical-align: top;
}

.invoice-table .item-description {
    color: var(--secondary-color);
    font-size: 0.9rem;
}

.totals-section {
    padding: 20px 30px;
    text-align: right;
    background-color: #f9fafb;
}

.totals-table {
    width: 50%;
    margin-left: auto;
    border-collapse: collapse;
}

.totals-table td {
    padding: 8px;
    line-height: 1.6;
}

.totals-table .grand-total {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
}

.totals-table .grand-total-label {
     font-weight: 700;
}

.footer-actions {
    text-align: center;
    padding: 20px;
    margin-top: 20px;
}

.footer-actions button, .footer-actions a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    margin: 0 10px;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease-in-out;
}

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

.btn-print:hover {
    opacity: 0.9;
}

.btn-back {
    background-color: #e5e7eb;
    color: #374151;
}

.btn-back:hover {
    background-color: #d1d5db;
}

.text-right { text-align: right; }
.text-center { text-align: center; }

@media print {
    body { background-color: #fff; padding: 0; }
    .invoice-container { box-shadow: none; border-radius: 0; margin: 0; max-width: 100%;}
    .footer-actions { display: none; }
}
/* --- Site Footer --- */
.site-footer {
    text-align: center;
    padding: var(--spacing-md);
    margin-top: var(--spacing-lg);
    font-size: 0.85rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
}
/* --- Updated Stable (Sticky) Header --- */
.main-header {
    position: sticky;
    top: 0;
    z-index: 1020; /* Ensures it stays on top */

    /* Change 1: Match sidebar background color */
    background-color: var(--sidebar-bg); 
    
    /* Change 2: Adjust padding for a tighter look */
    padding: 1rem 1.5rem; 

    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
}

.main-header h1 {
    /* Change 3: Make header text light */
    color: var(--text-light); 
    
    /* Change 4: Remove margin to eliminate top space */
    margin: 0; 
    font-size: 1.25rem; /* Adjusted font size for the header bar */
}
/* --- Layout Adjustments for New Header --- */
.main-area-wrapper {
    grid-area: main;
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden; /* Prevent double scrollbars */
}

.main-content {
    flex-grow: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
}

.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0; /* Prevent header from shrinking */
}

/* --- User Profile Dropdown Styles --- */
.user-profile {
    position: relative;
}

.user-profile-button {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid transparent;
    color: var(--text-light);
    cursor: pointer;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-md);
    transition: background-color var(--transition-speed);
}

.user-profile-button:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.user-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
}

.user-profile-dropdown {
    display: none; /* Hidden by default */
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    background-color: var(--card-bg);
    border-radius: var(--border-radius-md);
    box-shadow: var(--box-shadow);
    overflow: hidden;
    width: 200px;
    z-index: 1100;
    border: 1px solid var(--border-color);
}

.user-profile-dropdown a {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-color);
    font-size: 0.9rem;
}

.user-profile-dropdown a:hover {
    background-color: var(--background-color);
}

.user-profile-dropdown .icon-sm {
    width: 16px;
    height: 16px;
    color: var(--text-muted);
}

.dropdown-divider {
    height: 1px;
    background-color: var(--border-color);
    margin: var(--spacing-sm) 0;
}
/* --- Styles for Header Actions (Timer & Profile) --- */
.header-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.session-timer-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
}

.session-timer-container .icon-sm {
    width: 16px;
    height: 16px;
    stroke-width: 2.5px;
}
/* --- Sidebar Toggle Feature --- */
.header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.sidebar-toggle {
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    padding: var(--spacing-xs);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-sm);
}
.sidebar-toggle:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* Add transition to the grid layout */
.dashboard-container {
    transition: grid-template-columns 0.3s ease-in-out;
}

/* Style for the collapsed state */
.dashboard-container.sidebar-collapsed {
    grid-template-columns: 0 1fr;
}

.dashboard-container.sidebar-collapsed .sidebar {
    margin-left: -260px; /* Hide sidebar off-screen */
}

.sidebar {
    transition: margin-left 0.3s ease-in-out;
}