/* AP Tags - Design System
   Theme: Industrial Precision */

/* ============================================================
   CSS Custom Properties
   ============================================================ */
:root {
    --sidebar-bg: #121E35;
    --sidebar-width: 240px;
    --primary: #1C4B82;
    --primary-light: #2563a8;
    --bg: #F4F3EF;
    --card-bg: #FFFFFF;
    --accent: #C87D1B;
    --text: #1A1F2E;
    --text-secondary: #6B7280;
    --border: #E2DDD6;
    --success: #2D8A4E;
    --danger: #C0392B;
    --info: #1C4B82;
    --font-sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'IBM Plex Mono', 'Courier New', monospace;
    --radius: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-lg: 0 4px 12px rgba(0,0,0,0.1);
}

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

html, body {
    height: 100%;
    font-family: var(--font-sans);
    font-size: 14px;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

/* ============================================================
   Sidebar
   ============================================================ */
#sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--sidebar-bg);
    color: #fff;
    display: flex;
    flex-direction: column;
    z-index: 100;
}

.sidebar-header {
    padding: 20px 16px 16px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.sidebar-title {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.3px;
}

.sidebar-plant {
    margin-top: 4px;
}

.sidebar-plant .form-label {
    color: rgba(255,255,255,0.5);
    font-size: 10px;
    letter-spacing: 1.2px;
    margin-bottom: 4px;
    display: block;
}

.plant-select {
    width: 100%;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    color: #fff;
    padding: 6px 8px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 12px;
    cursor: pointer;
    outline: none;
}

.plant-select:focus {
    border-color: var(--primary-light);
}

.plant-select option {
    background: var(--sidebar-bg);
    color: #fff;
}

/* Sidebar Nav */
.sidebar-nav {
    flex: 1;
    padding: 12px 8px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 6px;
    color: rgba(255,255,255,0.65);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.15s;
}

.nav-item:hover {
    background: rgba(255,255,255,0.06);
    color: rgba(255,255,255,0.9);
}

.nav-item.active {
    background: var(--primary);
    color: #fff;
}

.nav-item svg {
    flex-shrink: 0;
}

.sidebar-footer {
    padding: 12px 16px;
    border-top: 1px solid rgba(255,255,255,0.08);
}

.sidebar-version {
    font-size: 11px;
    color: rgba(255,255,255,0.3);
}

/* ============================================================
   Main Content
   ============================================================ */
#main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    padding: 24px 32px;
}

/* ============================================================
   Page Header
   ============================================================ */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.page-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.3px;
}

.page-actions {
    display: flex;
    gap: 8px;
}

/* ============================================================
   Cards
   ============================================================ */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
}

.card-body {
    padding: 20px;
}

.card-body-compact {
    padding: 12px 20px;
}

/* ============================================================
   Stat Cards (Dashboard)
   ============================================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px;
}

.stat-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.stat-value {
    font-family: var(--font-mono);
    font-size: 28px;
    font-weight: 600;
    color: var(--text);
}

.stat-value.currency::before {
    content: '$';
    font-size: 18px;
    color: var(--text-secondary);
    margin-right: 2px;
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    font-family: var(--font-sans);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
    line-height: 1.4;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--primary-light);
}

.btn-success {
    background: var(--success);
    color: #fff;
}

.btn-success:hover:not(:disabled) {
    background: #248a42;
}

.btn-danger {
    background: var(--danger);
    color: #fff;
}

.btn-danger:hover:not(:disabled) {
    background: #a93226;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
}

.btn-outline:hover:not(:disabled) {
    background: var(--bg);
    border-color: #c5c0b8;
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    padding: 6px 10px;
}

.btn-ghost:hover {
    background: rgba(0,0,0,0.04);
    color: var(--text);
}

.btn-sm {
    padding: 5px 10px;
    font-size: 12px;
}

/* ============================================================
   Form Elements
   ============================================================ */
.form-label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-family: var(--font-sans);
    font-size: 14px;
    color: var(--text);
    background: var(--card-bg);
    transition: border-color 0.15s;
    outline: none;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(28,75,130,0.08);
}

.form-input.mono, .form-select.mono {
    font-family: var(--font-mono);
}

.form-input.amount {
    text-align: right;
    font-family: var(--font-mono);
}

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

.form-group {
    margin-bottom: 16px;
}

.form-row {
    display: grid;
    gap: 16px;
}

.form-row-2 { grid-template-columns: 1fr 1fr; }
.form-row-3 { grid-template-columns: 1fr 1fr 1fr; }
.form-row-4 { grid-template-columns: 1fr 1fr 1fr 1fr; }

.form-hint {
    font-size: 11px;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* Checkbox */
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--primary);
}

/* ============================================================
   Tables
   ============================================================ */
.table-wrapper {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

table th {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    text-align: left;
    padding: 10px 12px;
    border-bottom: 2px solid var(--border);
    white-space: nowrap;
}

table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
    vertical-align: middle;
}

table tr:hover {
    background: rgba(0,0,0,0.015);
}

table .mono {
    font-family: var(--font-mono);
    font-size: 12px;
}

table .amount {
    text-align: right;
    font-family: var(--font-mono);
    font-weight: 500;
}

/* ============================================================
   Badges
   ============================================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 99px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.badge-pending {
    background: #FEF3C7;
    color: #92400E;
}

.badge-printed {
    background: #DBEAFE;
    color: #1E40AF;
}

.badge-posted {
    background: #D1FAE5;
    color: #065F46;
}

/* ============================================================
   GL Chips
   ============================================================ */
.gl-chip {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 4px;
    background: #DBEAFE;
    color: #1E40AF;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 500;
    margin: 1px 2px;
}

/* ============================================================
   Status Dots (Dashboard Activity)
   ============================================================ */
.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.status-dot-pending { background: var(--accent); }
.status-dot-printed { background: var(--primary); }
.status-dot-posted { background: var(--success); }

/* ============================================================
   Upload Zone
   ============================================================ */
.upload-zone {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 32px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    background: var(--card-bg);
}

.upload-zone:hover, .upload-zone.dragover {
    border-color: var(--primary);
    background: rgba(28,75,130,0.03);
}

.upload-zone.loading {
    border-color: var(--primary);
    pointer-events: none;
}

.upload-icon {
    width: 40px;
    height: 40px;
    margin: 0 auto 12px;
    color: var(--text-secondary);
}

.upload-text {
    font-size: 14px;
    color: var(--text);
    margin-bottom: 4px;
}

.upload-hint {
    font-size: 12px;
    color: var(--text-secondary);
}

/* Extraction Summary Box */
.extraction-box {
    background: #EFF6FF;
    border: 1px solid #BFDBFE;
    border-radius: var(--radius);
    padding: 12px 16px;
    margin-bottom: 16px;
}

.extraction-box-header {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--primary);
    margin-bottom: 8px;
}

.extraction-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.extraction-item-label {
    font-size: 10px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.extraction-item-value {
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 500;
}

/* ============================================================
   Vendor Match Box
   ============================================================ */
.vendor-match-box {
    background: #F0FDF4;
    border: 1px solid #BBF7D0;
    border-radius: 6px;
    padding: 8px 12px;
    margin-top: 8px;
    font-size: 12px;
    color: #166534;
    display: flex;
    align-items: center;
    gap: 6px;
}

/* ============================================================
   GL Allocations Editor
   ============================================================ */
.gl-editor-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.gl-from-vendor {
    font-size: 11px;
    color: var(--primary);
    font-weight: 500;
}

.gl-row {
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    gap: 8px;
    margin-bottom: 6px;
    align-items: center;
}

.gl-row-header {
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    gap: 8px;
    margin-bottom: 4px;
    padding: 0 0 4px;
    border-bottom: 1px solid var(--border);
}

.gl-row-header span {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
}

.gl-row-header span:nth-child(2) {
    text-align: right;
}

.btn-delete-gl {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
    font-size: 16px;
    line-height: 1;
    border-radius: 4px;
    transition: all 0.15s;
}

.btn-delete-gl:hover {
    background: #FEE2E2;
    color: var(--danger);
}

/* Balance Indicator */
.balance-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 12px;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    font-family: var(--font-mono);
}

.balance-bar.balanced {
    background: #F0FDF4;
    color: var(--success);
}

.balance-bar.unbalanced {
    background: #FEF2F2;
    color: var(--danger);
}

/* ============================================================
   Tag Preview (Right Column)
   ============================================================ */
.tag-preview-card {
    position: sticky;
    top: 24px;
}

.tag-preview {
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
    overflow: hidden;
    font-size: 11px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.tag-preview .tag-header {
    background: #1A1A1A;
    color: #fff;
    padding: 6px 10px;
    font-weight: 700;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tag-preview .tag-row {
    display: grid;
    grid-template-columns: auto 1fr auto 1fr;
    gap: 4px 8px;
    padding: 5px 10px;
    border-bottom: 1px solid #eee;
    align-items: center;
}

.tag-preview .tag-label {
    font-size: 9px;
    font-weight: 600;
    text-transform: uppercase;
    color: #888;
    letter-spacing: 0.5px;
}

.tag-preview .tag-value {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
}

.tag-preview .tag-gl-header {
    display: grid;
    grid-template-columns: 1fr 1fr;
    padding: 4px 10px;
    background: #f5f5f5;
    border-top: 2px solid #333;
    border-bottom: 1px solid #ddd;
    font-size: 9px;
    font-weight: 600;
    text-transform: uppercase;
    color: #666;
    letter-spacing: 0.5px;
}

.tag-preview .tag-gl-header span:last-child {
    text-align: right;
}

.tag-preview .tag-gl-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    padding: 3px 10px;
    border-bottom: 1px solid #f0f0f0;
    font-family: var(--font-mono);
    font-size: 11px;
}

.tag-preview .tag-gl-row span:last-child {
    text-align: right;
}

.tag-preview .tag-footer {
    border-top: 2px solid #333;
}

.tag-preview .tag-footer-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    padding: 4px 10px;
    border-bottom: 1px solid #eee;
    font-size: 10px;
}

.tag-preview .tag-footer-row .tag-label {
    font-size: 9px;
}

.tag-preview-empty {
    padding: 40px 20px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 13px;
}

/* ============================================================
   Two-Column Invoice Layout
   ============================================================ */
.invoice-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 24px;
    align-items: start;
}

.invoice-form-col {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

@media (max-width: 960px) {
    .invoice-layout {
        grid-template-columns: 1fr;
    }
}

/* ============================================================
   Filter Bar (History)
   ============================================================ */
.filter-bar {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
    align-items: end;
}

.filter-bar .form-group {
    margin-bottom: 0;
}

.filter-bar .form-input,
.filter-bar .form-select {
    min-width: 140px;
}

.filter-bar .search-input {
    min-width: 240px;
}

/* ============================================================
   Pagination
   ============================================================ */
.pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    font-size: 13px;
    color: var(--text-secondary);
}

.pagination-buttons {
    display: flex;
    gap: 8px;
}

/* ============================================================
   Activity List (Dashboard)
   ============================================================ */
.activity-list {
    list-style: none;
}

.activity-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    transition: background 0.1s;
}

.activity-item:last-child {
    border-bottom: none;
}

.activity-item:hover {
    background: rgba(0,0,0,0.015);
    margin: 0 -20px;
    padding-left: 20px;
    padding-right: 20px;
}

.activity-info {
    flex: 1;
    min-width: 0;
}

.activity-vendor {
    font-weight: 600;
    font-size: 13px;
    margin-bottom: 2px;
}

.activity-meta {
    font-size: 11px;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.activity-amount {
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 14px;
    white-space: nowrap;
}

/* ============================================================
   Modal
   ============================================================ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(2px);
}

.modal-overlay.hidden {
    display: none;
}

.modal-container {
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    width: 90%;
    max-width: 600px;
    max-height: 85vh;
    overflow-y: auto;
    position: relative;
}

.modal-container.wide {
    max-width: 800px;
}

.modal-close {
    position: absolute;
    top: 12px;
    right: 16px;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-secondary);
    cursor: pointer;
    z-index: 1;
    line-height: 1;
    padding: 4px;
    border-radius: 4px;
}

.modal-close:hover {
    background: rgba(0,0,0,0.05);
    color: var(--text);
}

.modal-header {
    padding: 20px 24px 16px;
    border-bottom: 1px solid var(--border);
}

.modal-title {
    font-size: 18px;
    font-weight: 600;
}

.modal-body {
    padding: 20px 24px;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 8px;
    justify-content: flex-end;
}

/* ============================================================
   Toast
   ============================================================ */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    background: #1A1F2E;
    color: #fff;
    padding: 12px 20px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    animation: toast-in 0.3s ease;
    max-width: 360px;
}

.toast.toast-success {
    border-left: 4px solid var(--success);
}

.toast.toast-error {
    border-left: 4px solid var(--danger);
}

.toast.toast-info {
    border-left: 4px solid var(--info);
}

.toast.toast-out {
    animation: toast-out 0.3s ease forwards;
}

@keyframes toast-in {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes toast-out {
    from { transform: translateX(0); opacity: 1; }
    to { transform: translateX(100%); opacity: 0; }
}

/* ============================================================
   Loading Spinner
   ============================================================ */
.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-text {
    text-align: center;
    color: var(--text-secondary);
    font-size: 13px;
    margin-top: 8px;
}

/* ============================================================
   Empty State
   ============================================================ */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--text-secondary);
}

.empty-state-icon {
    font-size: 36px;
    margin-bottom: 12px;
    opacity: 0.4;
}

.empty-state-text {
    font-size: 14px;
    margin-bottom: 16px;
}

/* ============================================================
   Vendor Typeahead Dropdown
   ============================================================ */
.typeahead-wrapper {
    position: relative;
}

.typeahead-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 0 0 6px 6px;
    box-shadow: var(--shadow-lg);
    z-index: 50;
    max-height: 200px;
    overflow-y: auto;
}

.typeahead-item {
    padding: 8px 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
}

.typeahead-item:hover {
    background: #EFF6FF;
}

.typeahead-item .vendor-num {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-secondary);
}

/* ============================================================
   Confirmation Dialog
   ============================================================ */
.confirm-body {
    text-align: center;
    padding: 20px 0;
}

.confirm-body p {
    font-size: 14px;
    margin-bottom: 20px;
    color: var(--text-secondary);
}

.confirm-actions {
    display: flex;
    gap: 8px;
    justify-content: center;
}

/* ============================================================
   Utility Classes
   ============================================================ */
.hidden { display: none !important; }
.mono { font-family: var(--font-mono); }
.text-right { text-align: right; }
.text-center { text-align: center; }
.text-secondary { color: var(--text-secondary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.gap-8 { gap: 8px; }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-center { display: flex; align-items: center; }
.flex-1 { flex: 1; }
.nowrap { white-space: nowrap; }