/* OMS Design System - Professional Industrial Slate Theme */
:root {
    --sidebar-w: 280px;
    --sidebar-w-collapsed: 0px;
    --topbar-h: 56px;
    --bg: #0f172a;
    --surface: #1e293b;
    --surface2: #253248;
    --surface3: #334155;
    --border: #2d3f57;
    --text: #e2e8f0;
    --text-muted: #94a3b8;
    --text-dim: #64748b;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #06b6d4;
    --radius: 8px;

    --shadow: 0 4px 24px rgba(0,0,0,0.35);
}

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

html {
    font-size: 14px;
}

body.oms-body {
    font-family: 'Inter', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    overflow-x: hidden;
}

/* ── SIDEBAR ──────────────────────────────────────────────────────────────── */
.oms-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-w);
    height: 100vh;
    background: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
    border-right: 1px solid var(--border);
    transition: transform 0.3s ease, width 0.3s ease;
    z-index: 1000;
    overflow-y: auto;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
}

    .oms-sidebar.collapsed {
        transform: translateX(calc(-1 * var(--sidebar-w)));
    }

    .oms-sidebar.mobile-open {
        transform: translateX(0);
    }

    /* Sidebar Scrollbar */
    .oms-sidebar::-webkit-scrollbar {
        width: 4px;
    }

    .oms-sidebar::-webkit-scrollbar-track {
        background: #1e293b;
    }

    .oms-sidebar::-webkit-scrollbar-thumb {
        background: #475569;
        border-radius: 4px;
    }

/* Sidebar Brand */
.sidebar-brand {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.brand-icon {
    font-size: 24px;
    color: var(--accent);
}

.brand-text {
    font-size: 20px;
    font-weight: 700;
    color: white;
    margin-left: 8px;
}

.sidebar-toggle-btn {
    background: none;
    border: none;
    color: #94a3b8;
    cursor: pointer;
    font-size: 16px;
    padding: 8px;
    border-radius: 8px;
    transition: all 0.2s;
}

    .sidebar-toggle-btn:hover {
        background: #334155;
        color: white;
    }

/* Sidebar User */
.sidebar-user {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.user-avatar {
    width: 40px;
    height: 40px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: white;
    flex-shrink: 0;
}

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

.user-name {
    font-weight: 600;
    color: white;
    font-size: 14px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-role span {
    font-size: 11px;
    color: #94a3b8;
}

.online-dot {
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    box-shadow: 0 0 0 2px #1e293b;
    flex-shrink: 0;
}

/* Sidebar Navigation */
.sidebar-nav {
    list-style: none;
    padding: 16px 0;
    margin: 0;
    flex: 1;
}

.nav-section-label {
    padding: 8px 20px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    color: #64748b;
    letter-spacing: 0.5px;
}

.nav-item {
    margin: 2px 8px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 8px;
    color: #94a3b8;
    text-decoration: none;
    transition: all 0.2s;
}

    .nav-link:hover {
        background: #334155;
        color: white;
    }

.nav-item.active .nav-link {
    background: var(--accent);
    color: white;
}

.nav-link i {
    width: 20px;
    font-size: 16px;
}

.nav-link span {
    font-size: 13px;
    font-weight: 500;
}

/* Sidebar Footer */
.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid #2d3f57;
    margin-top: auto;
    flex-shrink: 0;
}

.btn-logout {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    background: none;
    border: none;
    border-radius: 8px;
    color: #ef4444;
    cursor: pointer;
    transition: all 0.2s;
}

    .btn-logout:hover {
        background: #334155;
    }

/* ── MAIN CONTENT ─────────────────────────────────────────────────────────── */
.oms-main {
    margin-left: var(--sidebar-w);
    transition: margin-left 0.3s ease;
    min-height: 100vh;
    background: var(--bg);
}

/* Topbar */
.oms-topbar {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 12px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 99;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: #94a3b8;
    font-size: 20px;
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: all 0.2s;
}

    .mobile-toggle:hover {
        background: #334155;
        color: white;
    }

.topbar-breadcrumb {
    color: #94a3b8;
    font-size: 14px;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.pwa-install-btn {
    background: var(--accent);
    color: white;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 12px;
    cursor: pointer;
    transition: background 0.2s;
}

    .pwa-install-btn:hover {
        background: #2563eb;
    }

.online-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--success);
    background: rgba(16, 185, 129, 0.1);
    padding: 6px 12px;
    border-radius: 20px;
}

    .online-status.offline {
        color: var(--danger);
        background: rgba(239, 68, 68, 0.1);
    }

/* Content Area */
.oms-content {
    padding: 24px;
}

/* ── PAGE HEADER ─────────────────────────────────────────────────────────── */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 16px;
}

.page-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text);
}

.page-subtitle {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ── CARDS ───────────────────────────────────────────────────────────────── */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 24px;
    overflow: hidden;
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
}

.card-body {
    padding: 20px;
}

.card-footer {
    padding: 12px 20px;
    border-top: 1px solid var(--border);
    background: rgba(0, 0, 0, 0.2);
}

/* Stat Cards */
.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    transition: all 0.2s ease;
    cursor: pointer;
}

    .stat-card:hover {
        transform: translateY(-2px);
        border-color: var(--accent);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    }

.stat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

    .stat-icon.primary {
        background: rgba(59, 130, 246, 0.15);
        color: var(--accent);
    }

    .stat-icon.warning {
        background: rgba(245, 158, 11, 0.15);
        color: var(--warning);
    }

    .stat-icon.success {
        background: rgba(16, 185, 129, 0.15);
        color: var(--success);
    }

    .stat-icon.info {
        background: rgba(6, 182, 212, 0.15);
        color: var(--info);
    }

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1.2;
}

.stat-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* Action Cards */
.action-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.action-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    transition: all 0.2s ease;
    cursor: pointer;
}

    .action-card:hover {
        background: var(--surface2);
        transform: translateY(-2px);
        border-color: var(--accent);
    }

.action-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

    .action-icon i {
        font-size: 1.5rem;
        color: white;
    }

.action-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

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

/* Quick Stats */
.quick-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.quick-stat {
    background: var(--surface2);
    border-radius: var(--radius);
    padding: 0.75rem 1.25rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

    .quick-stat:hover {
        background: var(--surface);
        transform: translateY(-2px);
        border: 1px solid var(--accent);
    }

.quick-stat-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    color: var(--text-muted);
}

.quick-stat-value {
    font-size: 1.25rem;
    font-weight: 600;
}

/* ── TABLES ──────────────────────────────────────────────────────────────── */
.table-wrapper {
    overflow-x: auto;
}

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

    .oms-table th {
        padding: 12px 16px;
        text-align: left;
        background: var(--surface2);
        font-weight: 600;
        font-size: 0.75rem;
        text-transform: uppercase;
        letter-spacing: 0.5px;
        color: var(--text-muted);
        border-bottom: 1px solid var(--border);
    }

    .oms-table td {
        padding: 12px 16px;
        border-bottom: 1px solid var(--border);
        vertical-align: middle;
    }

    .oms-table tr:hover td {
        background: rgba(59, 130, 246, 0.05);
    }

/* ── BADGES ──────────────────────────────────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 600;
}

.badge-primary {
    background: rgba(59, 130, 246, 0.15);
    color: #60a5fa;
}

.badge-success {
    background: rgba(16, 185, 129, 0.15);
    color: #34d399;
}

.badge-warning {
    background: rgba(245, 158, 11, 0.15);
    color: #fbbf24;
}

.badge-danger {
    background: rgba(239, 68, 68, 0.15);
    color: #f87171;
}

.badge-info {
    background: rgba(6, 182, 212, 0.15);
    color: #22d3ee;
}

/* Priority Badges */
.priority-urgent {
    background: rgba(239, 68, 68, 0.2);
    color: #f87171;
}

.priority-high {
    background: rgba(245, 158, 11, 0.2);
    color: #fbbf24;
}

.priority-mid {
    background: rgba(6, 182, 212, 0.2);
    color: #22d3ee;
}

.priority-low {
    background: rgba(100, 116, 139, 0.2);
    color: var(--text-muted);
}

/* Status Badges */
.status-registered {
    background: rgba(100, 116, 139, 0.2);
    color: #94a3b8;
}

.status-confirmed {
    background: rgba(59, 130, 246, 0.2);
    color: #60a5fa;
}

.status-productionin {
    background: rgba(245, 158, 11, 0.2);
    color: #fbbf24;
}

.status-productioncomplete {
    background: rgba(16, 185, 129, 0.2);
    color: #34d399;
}

.status-dispatch {
    background: rgba(168, 85, 247, 0.2);
    color: #c084fc;
}

.status-delivered {
    background: rgba(16, 185, 129, 0.2);
    color: #34d399;
}

/* ── FORMS ───────────────────────────────────────────────────────────────── */
.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-control,
select.form-control,
textarea.form-control {
    width: 100%;
    padding: 10px 12px;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 13px;
    font-family: inherit;
    transition: all 0.2s;
}

    .form-control:focus,
    select.form-control:focus,
    textarea.form-control:focus {
        outline: none;
        border-color: var(--accent);
        box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
    }

    .form-control::placeholder {
        color: var(--text-dim);
    }

select.form-control {
    cursor: pointer;
}

.form-control.is-invalid {
    border-color: var(--danger);
}

.invalid-feedback {
    font-size: 11px;
    color: var(--danger);
    margin-top: 4px;
}

/* Form Rows */
.form-row {
    display: grid;
    gap: 16px;
    margin-bottom: 16px;
}

    .form-row.cols-2 {
        grid-template-columns: repeat(2, 1fr);
    }

    .form-row.cols-3 {
        grid-template-columns: repeat(3, 1fr);
    }

    .form-row.cols-4 {
        grid-template-columns: repeat(4, 1fr);
    }

/* ── BUTTONS ─────────────────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
    text-decoration: none;
    font-family: inherit;
}

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

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

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

    .btn-success:hover {
        background: #059669;
    }

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

    .btn-danger:hover {
        background: #dc2626;
    }

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

    .btn-warning:hover {
        background: #d97706;
    }

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

    .btn-info:hover {
        background: #0891b2;
    }

.btn-secondary {
    background: var(--surface2);
    color: var(--text);
    border: 1px solid var(--border);
}

    .btn-secondary:hover {
        background: var(--surface3);
    }

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

.btn-icon {
    padding: 6px 10px;
}

/* ── ALERTS ──────────────────────────────────────────────────────────────── */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: slideDown 0.3s ease;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #34d399;
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #f87171;
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: #fbbf24;
}

.alert-info {
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.3);
    color: #22d3ee;
}

.alert-close {
    margin-left: auto;
    background: none;
    border: none;
    color: inherit;
    font-size: 18px;
    cursor: pointer;
    opacity: 0.7;
}

    .alert-close:hover {
        opacity: 1;
    }

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── ORDER FORM ──────────────────────────────────────────────────────────── */
.order-section {
    margin-bottom: 24px;
}

.order-items-table {
    width: 100%;
    border-collapse: collapse;
}

    .order-items-table th {
        padding: 10px 8px;
        font-size: 11px;
        font-weight: 600;
        color: var(--text-dim);
        text-transform: uppercase;
        background: rgba(15, 23, 42, 0.5);
        border-bottom: 1px solid var(--border);
    }

    .order-items-table td {
        padding: 6px 4px;
        border-bottom: 1px solid rgba(45, 63, 87, 0.4);
        vertical-align: middle;
    }

    .order-items-table input,
    .order-items-table select {
        width: 100%;
        padding: 6px 8px;
        background: rgba(15, 23, 42, 0.5);
        border: 1px solid var(--border);
        border-radius: 4px;
        color: var(--text);
        font-size: 12px;
    }

        .order-items-table input:focus,
        .order-items-table select:focus {
            outline: none;
            border-color: var(--accent);
        }

.price-display {
    font-weight: 700;
    color: var(--success);
}

/* ── MODAL ───────────────────────────────────────────────────────────────── */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 10000;
    align-items: center;
    justify-content: center;
}

    .modal.show {
        display: flex;
    }

.modal-dialog {
    background: var(--surface);
    border-radius: var(--radius);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    border: 1px solid var(--border);
}

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

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

.modal-body {
    padding: 20px;
}

.modal-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-muted);
}

/* ── RESPONSIVE ──────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
    .oms-sidebar {
        transform: translateX(calc(-1 * var(--sidebar-w)));
    }

        .oms-sidebar.mobile-open {
            transform: translateX(0);
        }

    .oms-main {
        margin-left: 0;
    }

    .mobile-toggle {
        display: block;
    }

    .oms-content {
        padding: 16px;
    }

    .topbar-breadcrumb {
        font-size: 12px;
    }

    .pwa-install-btn span {
        display: none;
    }

    .online-status span {
        display: none;
    }

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

    .dashboard-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .action-grid {
        grid-template-columns: 1fr;
    }

    .quick-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .dashboard-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .form-row.cols-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ── UTILITIES ───────────────────────────────────────────────────────────── */
.d-flex {
    display: flex;
}

.align-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

.gap-4 {
    gap: 4px;
}

.gap-8 {
    gap: 8px;
}

.gap-12 {
    gap: 12px;
}

.gap-16 {
    gap: 16px;
}

.mt-1 {
    margin-top: 4px;
}

.mt-2 {
    margin-top: 8px;
}

.mt-3 {
    margin-top: 16px;
}

.mb-1 {
    margin-bottom: 4px;
}

.mb-2 {
    margin-bottom: 8px;
}

.mb-3 {
    margin-bottom: 16px;
}

.mb-4 {
    margin-bottom: 24px;
}

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

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

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

.text-success {
    color: var(--success);
}

.text-danger {
    color: var(--danger);
}

.text-warning {
    color: var(--warning);
}

.text-accent {
    color: var(--accent);
}

.fw-bold {
    font-weight: 700;
}

.fw-600 {
    font-weight: 600;
}

.fs-11 {
    font-size: 11px;
}

.fs-12 {
    font-size: 12px;
}

.fs-14 {
    font-size: 14px;
}

.w-100 {
    width: 100%;
}

.cursor-pointer {
    cursor: pointer;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 5px;
    height: 5px;
}

::-webkit-scrollbar-track {
    background: var(--bg);
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

    ::-webkit-scrollbar-thumb:hover {
        background: var(--text-dim);
    }

/* Floating expand button */
#expandSidebarBtn {
    position: fixed;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: #3b82f6;
    color: white;
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    cursor: pointer;
    z-index: 1001;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
    transition: all 0.2s;
}

    #expandSidebarBtn:hover {
        background: #2563eb;
        transform: translateY(-50%) scale(1.05);
    }

/* For desktop when sidebar is collapsed */
@media (min-width: 769px) {
    .oms-sidebar.collapsed ~ #expandSidebarBtn,
    .oms-sidebar.collapsed + .oms-main + #expandSidebarBtn {
        display: flex;
    }
}