/* Reset & Base */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-body);
    color: var(--text-main);
    font-size: 0.95rem;
    line-height: 1.5;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-hover);
}

ul {
    list-style: none;
}

/* Layout Wrapper */
.layout-wrapper {
    display: flex;
    min-height: 100vh;
    /* overflow-x: hidden; Removed to fix sticky topbar */
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 1000;
    transition: width var(--transition-fast);
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    height: var(--topbar-height);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 1rem;
    border-bottom: 1px solid var(--border-light);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
}

.sidebar-logo-img {
    height: 32px;
    width: auto;
    max-width: 165px;
    object-fit: contain;
}

.sidebar-logo-badge {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--primary-color);
    background-color: var(--primary-light);
    padding: 0.2rem 0.5rem;
    border-radius: 0.375rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.sidebar-menu {
    flex: 1;
    overflow-y: auto;
    padding: 0.5rem 0;
}

.menu-inner {
    padding-left: 0;
    margin-bottom: 0;
    list-style: none;
}

.menu-header {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--text-muted);
    padding: 1rem 1.25rem 0.5rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.menu-item {
    position: relative;
}

.menu-link {
    display: flex;
    align-items: center;
    padding: 0.75rem 1.25rem;
    color: var(--text-main);
    font-weight: 500;
    cursor: pointer;
    border-left: 3px solid transparent;
}

.menu-link:hover, .menu-item.active > .menu-link {
    background-color: var(--primary-light);
    color: var(--primary-color);
    border-left-color: var(--primary-color);
}

.menu-icon {
    margin-right: 0.75rem;
    font-size: 1.2rem;
    width: 1.5rem;
    text-align: center;
}

.menu-arrow {
    margin-left: auto;
    transition: transform var(--transition-fast);
}

.menu-item.open > .menu-link .menu-arrow {
    transform: rotate(90deg);
}

.menu-sub {
    display: none;
    background-color: #fafafa;
    padding-left: 0;
}

.menu-item.open > .menu-sub {
    display: block;
}

.menu-sub .menu-link {
    padding-left: 2.5rem;
    padding-right: 1rem;
    font-size: 0.9rem;
}

.menu-sub-header {
    font-size: 0.7rem;
    text-transform: uppercase;
    color: var(--text-muted);
    padding: 0.75rem 1.25rem 0.25rem 2rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    opacity: 0.75;
}

/* Main Content */
.layout-page {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    transition: margin-left var(--transition-fast);
    min-width: 0; /* Allow flex item to shrink below content size */
    width: 100%; /* Ensure it takes width */
}

.sidebar-logo-icon {
    display: none;
    height: 32px;
    width: auto;
}

/* Sidebar Collapsed (Compact Mode) */
body.sidebar-collapsed .sidebar {
    width: 72px;
}

body.sidebar-collapsed .layout-page {
    margin-left: 72px;
}

body.sidebar-collapsed .sidebar .sidebar-header {
    justify-content: center !important;
    padding: 0 !important;
}

body.sidebar-collapsed .sidebar .sidebar-logo-badge,
body.sidebar-collapsed .sidebar .sidebar-logo-img,
body.sidebar-collapsed .sidebar .hamburger-menu {
    display: none !important;
}

body.sidebar-collapsed .sidebar .sidebar-logo-icon {
    display: block !important;
    height: 32px;
    width: auto;
    margin: 0 auto;
}

body.sidebar-collapsed .sidebar .menu-sub-header,
body.sidebar-collapsed .sidebar .text-truncate,
body.sidebar-collapsed .sidebar .menu-arrow {
    display: none !important;
}

body.sidebar-collapsed .sidebar .menu-link {
    justify-content: center;
    padding: 0.75rem 0;
}

body.sidebar-collapsed .sidebar .menu-icon {
    margin-right: 0;
    font-size: 1.35rem;
}

body.sidebar-collapsed .sidebar .menu-sub {
    display: none !important;
}

/* Hover Expansion for Collapsed Sidebar */
body.sidebar-collapsed .sidebar:hover {
    width: var(--sidebar-width);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    z-index: 1050;
}

body.sidebar-collapsed .sidebar:hover .sidebar-header {
    justify-content: center !important;
    padding: 0 1rem !important;
}

body.sidebar-collapsed .sidebar:hover .sidebar-logo-badge {
    display: inline-block !important;
}

body.sidebar-collapsed .sidebar:hover .sidebar-logo-img {
    display: block !important;
    max-width: 165px;
}

body.sidebar-collapsed .sidebar:hover .sidebar-logo-icon {
    display: none !important;
}

body.sidebar-collapsed .sidebar:hover .hamburger-menu {
    display: flex !important;
}

body.sidebar-collapsed .sidebar:hover .menu-sub-header,
body.sidebar-collapsed .sidebar:hover .text-truncate,
body.sidebar-collapsed .sidebar:hover .menu-arrow {
    display: block !important;
}

body.sidebar-collapsed .sidebar:hover .menu-link {
    justify-content: flex-start;
    padding: 0.75rem 1.25rem;
}

body.sidebar-collapsed .sidebar:hover .menu-icon {
    margin-right: 0.75rem;
    font-size: 1.2rem;
}

body.sidebar-collapsed .sidebar:hover .menu-item.open > .menu-sub {
    display: block !important;
}

/* Sidebar Footer (Bottom Collapse Toggle) */
.sidebar-footer {
    padding: 0.75rem 1.25rem;
    border-top: 1px solid var(--border-light);
    background-color: var(--bg-sidebar);
    cursor: pointer;
    margin-top: auto;
    transition: padding var(--transition-fast);
}

.sidebar-collapse-btn {
    display: flex;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.sidebar-collapse-btn:hover {
    color: var(--primary-color);
}

.sidebar-collapse-btn .collapse-icon {
    font-size: 1.35rem;
    transition: transform var(--transition-fast);
}

.sidebar-footer .collapse-text-expand {
    display: none !important;
}

.sidebar-footer .collapse-text-collapse {
    display: inline-block;
}

/* Collapsed Sidebar Footer */
body.sidebar-collapsed .sidebar .sidebar-footer {
    padding: 0.75rem 0;
    display: flex;
    justify-content: center;
}

body.sidebar-collapsed .sidebar .sidebar-collapse-btn {
    justify-content: center;
}

body.sidebar-collapsed .sidebar .sidebar-collapse-btn .collapse-text-collapse,
body.sidebar-collapsed .sidebar .sidebar-collapse-btn .collapse-text-expand {
    display: none !important;
}

body.sidebar-collapsed .sidebar .sidebar-collapse-btn .collapse-icon {
    transform: rotate(180deg);
}

/* Hover Expansion for Collapsed Sidebar Footer */
body.sidebar-collapsed .sidebar:hover .sidebar-footer {
    padding: 0.75rem 1.25rem;
    justify-content: flex-start;
}

body.sidebar-collapsed .sidebar:hover .sidebar-collapse-btn {
    justify-content: flex-start;
}

body.sidebar-collapsed .sidebar:hover .sidebar-collapse-btn .collapse-text-collapse {
    display: none !important;
}

body.sidebar-collapsed .sidebar:hover .sidebar-collapse-btn .collapse-text-expand {
    display: inline-block !important;
}

body.sidebar-collapsed .sidebar:hover .sidebar-collapse-btn .collapse-icon {
    transform: rotate(180deg);
}

/* Topbar */
.topbar {
    height: var(--topbar-height);
    background-color: var(--bg-topbar);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    position: sticky;
    top: 0;
    z-index: 900;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.search-bar {
    display: flex;
    align-items: center;
    background-color: var(--bg-body);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 0.2rem 1rem;
    width: 300px;
    transition: all var(--transition-fast);
}

.search-bar:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(67, 94, 190, 0.15);
    background-color: white;
}

.search-bar input:not([type="checkbox"]):not([type="radio"]) {
    border: none;
    background: transparent;
    padding: 0.3rem 0;
    width: 100%;
    outline: none;
    color: var(--text-main);
    font-size: 0.9rem;
}

/* Product Search Autocomplete Results */
.product-search-results-container:not(:empty) {
    z-index: 2000; /* Higher than Bootstrap Modals (1055) and Topbar (900) */
    max-height: 400px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    background-color: white;
}

.product-search-results-container:empty {
    display: none;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    overflow: hidden;
    background-color: var(--primary-light);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.user-info {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-weight: 600;
    font-size: 0.9rem;
}

.user-role {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Content Wrapper */
.content-wrapper {
    padding: 1.5rem;
    flex: 1;
}

/* Cards */
.card {
    background-color: var(--bg-card);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    padding: var(--card-padding);
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-color);
}

/* .card-header removed to allow Bootstrap utilities to control layout */

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-main);
}

/* Utilities */
.text-primary { color: var(--primary-color) !important; }
.text-success { color: var(--success-color) !important; }
.text-danger { color: var(--danger-color) !important; }
.text-muted { color: var(--text-muted) !important; }

.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all var(--transition-fast);
}

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

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

/* Badges */
.badge {
    padding: 0.5em 0.8em;
    border-radius: 0.25rem;
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
}

.bg-label-primary { background-color: rgba(67, 94, 190, 0.15); color: var(--primary-color); }
.bg-label-secondary { background-color: rgba(136, 136, 136, 0.15); color: var(--secondary-color); }
.bg-label-success { background-color: rgba(25, 135, 84, 0.15); color: var(--success-color); }
.bg-label-danger { background-color: rgba(220, 53, 69, 0.15); color: var(--danger-color); }
.bg-label-warning { background-color: rgba(255, 193, 7, 0.15); color: #856404; }
.bg-label-info { background-color: rgba(13, 202, 240, 0.15); color: #055160; }

/* Mobile Responsive */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .layout-page {
        margin-left: 0;
    }
    
    .sidebar.show {
        transform: translateX(0);
        box-shadow: 0 0 15px rgba(0,0,0,0.2);
    }
    
    /* Layout Adjustments */
    .content-wrapper {
        padding: 0.75rem;
    }
    
    .card {
        padding: 1rem;
        margin-bottom: 1rem;
    }
    
    /* Topbar Adjustments */
    .topbar {
        padding: 0 0.75rem;
    }
    
    .search-bar {
        width: auto;
        flex: 1;
        margin: 0 0.5rem;
        min-width: 0; /* Allow flex item to shrink below content size */
        padding: 0.2rem 0.8rem;
    }
    
    .topbar-right {
        gap: 0.5rem;
    }
    
    .user-name, .user-role {
        display: none; /* Hide text on mobile, show avatar only */
    }

    /* Scrollable Tabs on Mobile */
    .nav-tabs {
        flex-wrap: nowrap;
        overflow-x: auto;
        white-space: nowrap;
        overflow-y: hidden;
        -webkit-overflow-scrolling: touch;
    }
    .nav-tabs .nav-link {
        border: none;
        border-bottom: 2px solid transparent;
    }
    .nav-tabs .nav-link.active {
        border-bottom-color: var(--primary-color);
    }

    /* Header Actions Mobile Layout */
    .header-actions-wrapper {
        flex-direction: column;
        align-items: flex-start !important;
        gap: 0.75rem !important;
    }
    .header-actions-wrapper > div {
        /* Buttons container */
        display: flex;
        gap: 0.5rem;
        flex-wrap: wrap;
    }
}

/* Form Labels */
.form-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    font-weight: 700;
    color: #888888 !important;
    margin-bottom: 0.4rem;
    display: block;
}

.form-control, .form-select {
    font-weight: 500;
    color: var(--text-main);
    background-color: #fcfcfc;
    border-color: #e0e0e0;
}

.form-control:focus, .form-select:focus {
    background-color: #fff;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(67, 94, 190, 0.15);
}

/* Tab Content Spacing */
.nav-align-top .tab-content {
    margin-top: 1.5rem;
}

.nav-tabs {
    border-bottom: 2px solid var(--border-color);
}

/* Placeholder Text Styling */
::placeholder {
    color: #b0b0b0 !important;
    opacity: 1;
}

:-ms-input-placeholder {
    color: #b0b0b0 !important;
}

::-ms-input-placeholder {
    color: #b0b0b0 !important;
}

/* Workflow Next Step Button */
#workflow-next-step-btn {
    border-color: var(--primary-color) !important;
    color: var(--primary-color) !important;
}

#workflow-next-step-btn i {
    color: var(--primary-color) !important;
}

#workflow-next-step-btn:hover,
#workflow-next-step-btn:hover i,
#workflow-next-step-btn:active,
#workflow-next-step-btn:active i,
#workflow-next-step-btn:focus,
#workflow-next-step-btn:focus i,
#workflow-next-step-btn.show,
#workflow-next-step-btn.show i {
    color: white !important;
}

/* Material Design Outlined Input Style */
.form-label {
    position: relative;
    font-weight: 600;
    font-size: 0.875rem;
    color: #666;
    margin-bottom: 0;
    padding: 0 0.5rem;
    background: white;
    display: inline-block;
    margin-left: 0.75rem;
    z-index: 10;
    transform: translateY(0.6rem);
}

.input-group {
    position: relative;
}

.form-control,
.form-select,
textarea.form-control {
    border: 2px solid #d0d0d0;
    border-radius: 8px;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: border-color 0.2s ease;
}

.form-control:focus,
.form-select:focus,
textarea.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: none;
}

/* Adjust spacing for labels */
.mb-3 .form-label {
    margin-bottom: -0.5rem;
}

/* Line Item Description Rows */
.description-row {
    transition: all 0.3s ease;
}

.description-row td {
    padding: 0 !important;
}

.description-row.show td {
    padding: 0.5rem !important;
}

.description-row textarea {
    min-height: 80px;
    resize: vertical;
}

.toggle-description-btn {
    transition: transform 0.2s ease;
}

.toggle-description-btn[aria-expanded="true"] {
    transform: rotate(180deg);
}


/* Spacing and Alignment Fixes */
.form-label-static {
    transform: none !important;
    margin-bottom: 0.5rem !important;
    margin-left: 0 !important;
    padding-left: 0 !important;
    display: block !important;
    position: static !important;
    background: transparent !important;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: #888888 !important;
}

.form-check-inline {
    margin-right: 1.5rem !important;
    display: inline-flex !important;
    align-items: center;
}

.form-check-input {
    cursor: pointer;
    margin-top: 0 !important; /* Reset margin that might cause misalignment */
}

.form-check-label {
    cursor: pointer;
    padding-left: 0.5rem; /* Better spacing between radio/checkbox and text */
    font-weight: 500;
}

/* Inactive product row styling */
.product-inactive {
    opacity: 0.55;
    transition: opacity var(--transition-fast);
}

.product-inactive:hover {
    opacity: 0.85;
}

/* ──────────────────────────────────────────────────────────────────────
   Custom ERP Form Enhancements: Required styling & validation outline
   ────────────────────────────────────────────────────────────────────── */

/* Soft left-border accent for required inputs */
input[required], select[required], textarea[required],
.form-control[required], .form-select[required] {
    border-left: 3px solid rgba(67, 94, 190, 0.4) !important; /* Soft Primary color */
}

/* Ensure focus overrides border-left cleanly */
input[required]:focus, select[required]:focus, textarea[required]:focus,
.form-control[required]:focus, .form-select[required]:focus {
    border-left-color: var(--primary-color) !important;
}

/* Soft required indicators on labels */
.required-indicator {
    color: var(--danger-color);
    font-weight: bold;
    font-size: 1.1em;
    vertical-align: middle;
}

/* Inline validation feedback classes */
.is-valid-custom {
    border-color: var(--success-color) !important;
    box-shadow: 0 0 0 0.2rem rgba(25, 135, 84, 0.15) !important;
}

.is-invalid-custom {
    border-color: var(--danger-color) !important;
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.15) !important;
}

/* Document Header visual paper rendering styling */
.paper-document-header {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-top: 5px solid var(--primary-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.3s ease;
    position: relative;
    padding: 1.75rem;
    color: var(--text-main);
}

.paper-document-header:hover {
    box-shadow: var(--shadow-md);
}

.paper-section-title {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-light);
    padding-bottom: 0.25rem;
    margin-bottom: 0.75rem;
}

.edit-paper-btn {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    z-index: 10;
}

@media (min-width: 768px) {
    .paper-document-header h3 {
        margin-top: 2.5rem;
        margin-bottom: 1.5rem !important;
    }
}

/* Positions row views */
.line-row.row-view-mode td {
    background-color: #fafbfe;
    vertical-align: middle;
}

.line-row.row-edit-mode td {
    background-color: #ffffff;
    vertical-align: middle;
}

/* View vs Edit mode toggles for inputs and spans in table cells */
.line-row.row-view-mode .edit-control {
    display: none !important;
}
.line-row.row-view-mode .view-control {
    display: block !important;
}
.line-row.row-view-mode .edit-row-btn {
    display: inline-block !important;
}
.line-row.row-view-mode .save-row-btn {
    display: none !important;
}

.line-row.row-edit-mode .edit-control {
    display: block !important;
}
.line-row.row-edit-mode .view-control {
    display: none !important;
}
.line-row.row-edit-mode .edit-row-btn {
    display: none !important;
}
.line-row.row-edit-mode .save-row-btn {
    display: inline-block !important;
}

/* Border styling for side column inside paper letterhead */
@media (min-width: 768px) {
    .border-start-md {
        border-left: 1px solid var(--border-light) !important;
    }
}

/* Document Footer visual paper rendering styling */
.paper-document-footer {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-top: 5px solid var(--primary-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.3s ease;
    padding: 1.75rem;
    color: var(--text-main);
}

.paper-document-footer:hover {
    box-shadow: var(--shadow-md);
}