/* TinkerStore - Modern ERP UI */
:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-light: #eff6ff;
    --success: #16a34a;
    --success-light: #f0fdf4;
    --warning: #ca8a04;
    --warning-light: #fefce8;
    --danger: #dc2626;
    --danger-light: #fef2f2;
    --grey: #6b7280;
    --grey-light: #f3f4f6;
    --border: #e5e7eb;
    --text: #111827;
    --text-muted: #6b7280;
    --sidebar-width: 240px;
    --radius: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
    --shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);
}

* { box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: #f9fafb;
    color: var(--text);
    margin: 0;
    font-size: 14px;
    line-height: 1.5;
}

/* Layout */
.app-wrapper { display: flex; min-height: 100vh; }

.sidebar {
    width: var(--sidebar-width);
    background: #fff;
    border-right: 1px solid var(--border);
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 100;
    display: flex;
    flex-direction: column;
    transition: transform .2s;
}

.sidebar-brand {
    padding: 20px 20px 16px;
    border-bottom: 1px solid var(--border);
}
.sidebar-brand h1 {
    font-size: 18px;
    font-weight: 700;
    margin: 0;
    color: var(--primary);
}
.sidebar-brand span { font-size: 11px; color: var(--text-muted); }

.sidebar-nav { flex: 1; padding: 12px 8px; overflow-y: auto; }
.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-radius: var(--radius);
    color: var(--text-muted);
    text-decoration: none;
    font-size: 13.5px;
    font-weight: 500;
    margin-bottom: 2px;
    transition: all .15s;
}
.sidebar-nav a:hover { background: var(--grey-light); color: var(--text); }
.sidebar-nav a.active { background: var(--primary-light); color: var(--primary); }
.sidebar-nav a i { font-size: 16px; width: 20px; text-align: center; }

.sidebar-footer {
    padding: 12px 16px;
    border-top: 1px solid var(--border);
    font-size: 12px;
    color: var(--text-muted);
}

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.topbar {
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 12px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    position: sticky;
    top: 0;
    z-index: 50;
}

.search-box {
    flex: 1;
    max-width: 400px;
    position: relative;
}
.search-box input {
    width: 100%;
    padding: 8px 12px 8px 36px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 13px;
    background: var(--grey-light);
    outline: none;
    transition: border-color .15s;
}
.search-box input:focus { border-color: var(--primary); background: #fff; }
.search-box i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 14px;
}
.search-results {
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    max-height: 320px;
    overflow-y: auto;
    display: none;
    z-index: 200;
}
.search-results.show { display: block; }
.search-result-item {
    display: block;
    padding: 10px 14px;
    text-decoration: none;
    color: var(--text);
    border-bottom: 1px solid var(--border);
}
.search-result-item:hover { background: var(--grey-light); }
.search-result-item .type { font-size: 11px; color: var(--primary); font-weight: 600; text-transform: uppercase; }
.search-result-item .title { font-weight: 500; }
.search-result-item .subtitle { font-size: 12px; color: var(--text-muted); }

.page-content { padding: 24px; flex: 1; }

/* Cards */
.card {
    background: #fff;
    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;
    gap: 12px;
}
.card-header h2 { margin: 0; font-size: 16px; font-weight: 600; }
.card-body { padding: 20px; }

/* Stat cards */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}
.stat-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px 20px;
    box-shadow: var(--shadow);
}
.stat-card .label { font-size: 12px; color: var(--text-muted); font-weight: 500; text-transform: uppercase; letter-spacing: .03em; margin-bottom: 6px; }
.stat-card .value { font-size: 22px; font-weight: 700; }
.stat-card .value.text-success { color: var(--success); }
.stat-card .value.text-danger { color: var(--danger); }
.stat-card .value.text-warning { color: var(--warning); }
.stat-card .value.text-primary { color: var(--primary); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 500;
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: all .15s;
    line-height: 1.4;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #15803d; color: #fff; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-warning:hover { background: #a16207; color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #b91c1c; color: #fff; }
.btn-secondary { background: var(--grey-light); color: var(--text); border-color: var(--border); }
.btn-secondary:hover { background: var(--border); color: var(--text); }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-outline-primary { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline-primary:hover { background: var(--primary-light); }

/* Tables */
.table-responsive { overflow-x: auto; }
table.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}
table.data-table th {
    text-align: left;
    padding: 10px 14px;
    font-weight: 600;
    color: var(--text-muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: .03em;
    border-bottom: 1px solid var(--border);
    background: var(--grey-light);
    white-space: nowrap;
}
table.data-table td {
    padding: 11px 14px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}
table.data-table tr:hover td { background: #fafafa; }

/* Badges */
.badge {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
}
.badge-success { background: var(--success-light); color: var(--success); }
.badge-danger { background: var(--danger-light); color: var(--danger); }
.badge-warning { background: var(--warning-light); color: var(--warning); }
.badge-primary { background: var(--primary-light); color: var(--primary); }

/* Forms */
.form-group { margin-bottom: 16px; }
.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 5px;
    color: var(--text);
}
.form-control {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 13px;
    outline: none;
    transition: border-color .15s;
    background: #fff;
}
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,.1); }
select.form-control { cursor: pointer; }
.form-row { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; }
.form-hint { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

/* Page header */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    gap: 12px;
    flex-wrap: wrap;
}
.page-header h1 { font-size: 22px; font-weight: 700; margin: 0; }
.page-header .actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* Filters bar */
.filters-bar {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 16px;
}
.filters-bar .form-control { width: auto; min-width: 160px; }

/* Toast */
.toast-container {
    position: fixed;
    top: 16px;
    right: 16px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.toast {
    padding: 12px 18px;
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 500;
    box-shadow: var(--shadow-md);
    animation: slideIn .3s ease;
    min-width: 280px;
}
.toast-success { background: var(--success); color: #fff; }
.toast-error { background: var(--danger); color: #fff; }
.toast-warning { background: var(--warning); color: #fff; }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* Login */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--grey-light);
}
.login-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    padding: 40px;
    width: 100%;
    max-width: 400px;
    border: 1px solid var(--border);
}
.login-card h1 { text-align: center; color: var(--primary); font-size: 24px; margin-bottom: 4px; }
.login-card p { text-align: center; color: var(--text-muted); margin-bottom: 28px; font-size: 13px; }

/* Quick actions */
.quick-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 24px; }

/* Kit builder rows */
.dynamic-rows .row-item {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 40px;
    gap: 10px;
    align-items: end;
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
}
.dynamic-rows .row-item:last-child { border-bottom: none; }

/* Cost summary */
.cost-summary {
    background: var(--primary-light);
    border: 1px solid #bfdbfe;
    border-radius: var(--radius);
    padding: 16px 20px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 12px;
}
.cost-summary .item .label { font-size: 11px; color: var(--text-muted); text-transform: uppercase; }
.cost-summary .item .val { font-size: 18px; font-weight: 700; }

/* Pagination */
.pagination .page-link {
    border-radius: var(--radius) !important;
    font-size: 13px;
    color: var(--text);
    border-color: var(--border);
}
.pagination .page-item.active .page-link { background: var(--primary); border-color: var(--primary); }

/* Mobile */
.menu-toggle { display: none; background: none; border: none; font-size: 20px; cursor: pointer; color: var(--text); }

@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .main-content { margin-left: 0; }
    .menu-toggle { display: block; }
    .stat-grid { grid-template-columns: repeat(2, 1fr); }
    .dynamic-rows .row-item { grid-template-columns: 1fr; }
    .page-content { padding: 16px; }
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 48px 20px;
    color: var(--text-muted);
}
.empty-state i { font-size: 40px; margin-bottom: 12px; display: block; }

/* Stock indicator */
.stock-low { color: var(--danger); font-weight: 600; }
.stock-ok { color: var(--success); }

/* Activity list */
.activity-list { list-style: none; padding: 0; margin: 0; }
.activity-list li {
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
    display: flex;
    justify-content: space-between;
    gap: 12px;
}
.activity-list li:last-child { border-bottom: none; }
.activity-list .time { color: var(--text-muted); font-size: 12px; white-space: nowrap; }

/* Report links grid */
.report-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
}
.report-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    text-decoration: none;
    color: var(--text);
    transition: all .15s;
    box-shadow: var(--shadow);
}
.report-card:hover { border-color: var(--primary); box-shadow: var(--shadow-md); color: var(--text); }
.report-card i { font-size: 24px; color: var(--primary); margin-bottom: 10px; display: block; }
.report-card h3 { font-size: 15px; margin: 0 0 4px; }
.report-card p { font-size: 12px; color: var(--text-muted); margin: 0; }

/* Settings tabs */
.settings-nav { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }
.settings-nav a {
    padding: 8px 16px;
    border-radius: var(--radius);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-muted);
    border: 1px solid var(--border);
    background: #fff;
}
.settings-nav a:hover, .settings-nav a.active { background: var(--primary-light); color: var(--primary); border-color: var(--primary); }

.text-end { text-align: right; }
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-primary { color: var(--primary); }
.fw-bold { font-weight: 700; }
.mb-0 { margin-bottom: 0; }
.mb-3 { margin-bottom: 16px; }
.mt-3 { margin-top: 16px; }
.gap-2 { gap: 8px; }
.d-flex { display: flex; }
.align-items-center { align-items: center; }