:root {
    --sh-radius:        14px;
    --sh-radius-sm:     8px;
    --sh-radius-pill:   999px;
    --sh-border:        1px solid #e8eaed;
    --sh-shadow:        0 1px 4px rgba(15,23,42,.05);
    --sh-surface:       #ffffff;
    --sh-bg:            #f5f6f8;
    --sh-muted:         #6b7280;
    --sh-label:         #374151;
    --sh-heading:       #111827;

    --sh-red:           #dc2626;
    --sh-red-bg:        #fef2f2;
    --sh-red-text:      #991b1b;
    --sh-amber:         #d97706;
    --sh-amber-bg:      #fffbeb;
    --sh-amber-text:    #92400e;
    --sh-blue:          #2563eb;
    --sh-blue-bg:       #eff6ff;
    --sh-blue-text:     #1e40af;
    --sh-violet:        #7c3aed;
    --sh-violet-bg:     #f5f3ff;
    --sh-violet-text:   #4c1d95;
    --sh-green:         #059669;
    --sh-green-bg:      #ecfdf5;
    --sh-green-text:    #065f46;
}

.sh-page-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 28px;
    padding-bottom: 20px;
    border-bottom: var(--sh-border);
}
.sh-page-head h1 {
    margin: 0 0 4px;
    font-size: 22px;
    font-weight: 600;
    color: var(--sh-heading);
    letter-spacing: -0.3px;
}
.sh-page-head p {
    margin: 0;
    font-size: 13.5px;
    color: var(--sh-muted);
    max-width: 520px;
    line-height: 1.55;
}

/* ── Stat cards ───────────────────────────────────── */
.sh-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin-bottom: 24px;
}
.sh-stat {
    background: var(--sh-surface);
    border: var(--sh-border);
    border-top: 3px solid transparent;
    border-radius: var(--sh-radius);
    padding: 20px 20px 18px;
    box-shadow: var(--sh-shadow);
    transition: box-shadow .15s;
}
.sh-stat:hover { box-shadow: 0 4px 12px rgba(15,23,42,.08); }
.sh-stat.red    { border-top-color: var(--sh-red); }
.sh-stat.amber  { border-top-color: var(--sh-amber); }
.sh-stat.blue   { border-top-color: var(--sh-blue); }
.sh-stat.violet { border-top-color: var(--sh-violet); }

.sh-stat-eyebrow {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .07em;
    text-transform: uppercase;
    margin-bottom: 10px;
    display: block;
}
.sh-stat.red    .sh-stat-eyebrow { color: var(--sh-red); }
.sh-stat.amber  .sh-stat-eyebrow { color: var(--sh-amber); }
.sh-stat.blue   .sh-stat-eyebrow { color: var(--sh-blue); }
.sh-stat.violet .sh-stat-eyebrow { color: var(--sh-violet); }

.sh-stat-value {
    font-size: 36px;
    font-weight: 700;
    line-height: 1;
    color: var(--sh-heading);
    margin-bottom: 8px;
    letter-spacing: -1px;
}
.sh-stat-desc {
    font-size: 12.5px;
    color: var(--sh-muted);
    line-height: 1.45;
    margin: 0;
}

/* ── Toolbar ──────────────────────────────────────── */
.sh-toolbar {
    background: var(--sh-surface);
    border: var(--sh-border);
    border-radius: var(--sh-radius);
    padding: 18px 22px;
    margin-bottom: 20px;
    box-shadow: var(--sh-shadow);
    display: flex;
    align-items: flex-start;
    gap: 32px;
    flex-wrap: wrap;
}
.sh-toolbar-group { flex: 1; min-width: 220px; }
.sh-toolbar label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--sh-label);
    margin-bottom: 6px;
    letter-spacing: .02em;
}
.sh-toolbar .form-control {
    font-size: 13.5px;
    border-color: #d1d5db;
    border-radius: var(--sh-radius-sm);
    height: 36px;
    color: var(--sh-heading);
}
.sh-toolbar .form-control:focus { border-color: var(--sh-blue); box-shadow: 0 0 0 3px rgba(37,99,235,.12); }

.sh-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 9px;
    border-radius: var(--sh-radius-pill);
    font-size: 11.5px;
    font-weight: 600;
    white-space: nowrap;
    line-height: 1.6;
}
.sh-chip.danger  { background: var(--sh-red-bg);    color: var(--sh-red-text); }
.sh-chip.warning { background: var(--sh-amber-bg);  color: var(--sh-amber-text); }
.sh-chip.info    { background: var(--sh-blue-bg);   color: var(--sh-blue-text); }
.sh-chip.success { background: var(--sh-green-bg);  color: var(--sh-green-text); }
.sh-chip.violet  { background: var(--sh-violet-bg); color: var(--sh-violet-text); }

.sh-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
}

.sh-panel {
    background: var(--sh-surface);
    border: var(--sh-border);
    border-radius: var(--sh-radius);
    margin-bottom: 20px;
    overflow: hidden;
    box-shadow: var(--sh-shadow);
}
.sh-panel-head {
    padding: 18px 22px;
    border-bottom: var(--sh-border);
    background: var(--sh-bg);
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}
.sh-panel-head-copy { flex: 1; min-width: 0; }
.sh-panel-head h4 {
    margin: 0 0 4px;
    font-size: 14.5px;
    font-weight: 600;
    color: var(--sh-heading);
}
.sh-panel-head p {
    margin: 0;
    font-size: 13px;
    color: var(--sh-muted);
    line-height: 1.5;
}
.sh-panel-head-action { padding-top: 2px; }
.sh-panel-body { padding: 0; }

.sh-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}
.sh-table thead tr {
    border-bottom: var(--sh-border);
    background: var(--sh-bg);
}
.sh-table th {
    padding: 10px 14px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--sh-muted);
    white-space: nowrap;
    text-align: left;
}
.sh-table td {
    padding: 11px 14px;
    border-bottom: 1px solid #f0f1f3;
    vertical-align: middle;
    color: var(--sh-label);
}
.sh-table tbody tr:last-child td { border-bottom: none; }
.sh-table tbody tr:hover { background: #fafbfc; }
.sh-table tbody tr.row-mixed { background: #f5f9ff; }
.sh-table tbody tr.row-mixed:hover { background: #edf3fd; }
.sh-table tbody tr.row-repair { background: #fffaf9; }
.sh-table tbody tr.row-repair:hover { background: #fef4f0; }

.sh-product-name {
    font-weight: 600;
    color: var(--sh-heading);
    margin-bottom: 2px;
    font-size: 13px;
}
.sh-product-sub {
    font-size: 12px;
    color: var(--sh-muted);
}
.sh-num { font-weight: 600; font-size: 13px; white-space: nowrap; }
.sh-num.neg { color: var(--sh-red); }
.sh-num.pos { color: var(--sh-green); }
.sh-num.neu { color: var(--sh-muted); }

.sh-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    border-radius: var(--sh-radius-sm);
    font-size: 13px;
    font-weight: 500;
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: all .12s;
    white-space: nowrap;
    line-height: 1;
}
.sh-btn i { font-size: 14px; }
.sh-btn-primary {
    background: var(--sh-blue);
    color: #fff;
    border-color: var(--sh-blue);
}
.sh-btn-primary:hover { background: #1d4ed8; border-color: #1d4ed8; color: #fff; }
.sh-btn-danger {
    background: var(--sh-red);
    color: #fff;
    border-color: var(--sh-red);
}
.sh-btn-danger:hover { background: #b91c1c; color: #fff; }
.sh-btn-ghost {
    background: var(--sh-surface);
    color: var(--sh-label);
    border-color: #d1d5db;
}
.sh-btn-ghost:hover { background: var(--sh-bg); border-color: #9ca3af; }
.sh-btn-ghost-violet {
    background: var(--sh-surface);
    color: var(--sh-violet);
    border-color: #c4b5fd;
}
.sh-btn-ghost-violet:hover { background: var(--sh-violet-bg); }
.sh-btn-sm { padding: 5px 10px; font-size: 12px; }
.sh-btn[disabled] {
    opacity: .4;
    cursor: not-allowed;
    pointer-events: none;
}

.sh-filter-bar {
    background: var(--sh-surface);
    border: var(--sh-border);
    border-radius: var(--sh-radius);
    padding: 18px 22px;
    margin-bottom: 20px;
    box-shadow: var(--sh-shadow);
}
.sh-filter-row {
    display: flex;
    align-items: flex-end;
    gap: 16px;
    flex-wrap: wrap;
}
.sh-filter-row .form-group { margin-bottom: 0; flex: 1; min-width: 200px; }
.sh-filter-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--sh-label);
    margin-bottom: 6px;
    letter-spacing: .02em;
}

.sh-summary-strip {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    font-size: 13px;
    color: var(--sh-muted);
    margin-bottom: 20px;
    padding: 12px 18px;
    background: var(--sh-bg);
    border: var(--sh-border);
    border-radius: var(--sh-radius-sm);
}
.sh-summary-strip strong { color: var(--sh-heading); font-weight: 600; }
.sh-summary-sep { color: #d1d5db; }

.sh-empty {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 22px;
    font-size: 13.5px;
    color: var(--sh-green-text);
    background: var(--sh-green-bg);
    border: 1px solid #a7f3d0;
    border-radius: var(--sh-radius);
    margin-bottom: 20px;
}
.sh-empty i { font-size: 16px; }

.sh-notice {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 16px;
    font-size: 13px;
    color: var(--sh-amber-text);
    background: var(--sh-amber-bg);
    border: 1px solid #fde68a;
    border-radius: var(--sh-radius-sm);
    margin-bottom: 18px;
    line-height: 1.5;
}
.sh-notice i { font-size: 15px; flex-shrink: 0; margin-top: 1px; }

.sh-divider {
    border: none;
    border-top: var(--sh-border);
    margin: 32px 0 28px;
}

.sh-manual-section h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--sh-heading);
    margin: 0 0 4px;
}
.sh-manual-section > p {
    font-size: 13px;
    color: var(--sh-muted);
    margin: 0 0 18px;
}

.sh-search-wrap {
    position: relative;
}
.sh-search-wrap i {
    position: absolute;
    left: 11px;
    top: 50%;
    transform: translateY(-50%);
    color: #9ca3af;
    font-size: 15px;
    pointer-events: none;
}
.sh-search-wrap input {
    padding-left: 34px !important;
}

#processingModal .modal-header { border-bottom: var(--sh-border); }
#processingModal .modal-title { font-size: 15px; font-weight: 600; }
#processingModal .modal-body { font-size: 13.5px; color: var(--sh-muted); padding: 20px 24px; }