/* ── Design tokens ──────────────────────────────────────────────────────────── */
:root {
    --sf-nav-width: 240px;
    --sf-nav-bg: #1A2035;
    --sf-nav-text: rgba(255, 255, 255, 0.75);
    --sf-nav-section: rgba(255, 255, 255, 0.35);
    --sf-nav-hover-bg: rgba(255, 255, 255, 0.07);
    --sf-nav-active-bg: rgba(255, 255, 255, 0.12);
    --sf-page-bg: #F0F2F5;
    --sf-card-bg: #ffffff;
    --sf-border: #E8EAED;
    --sf-text: #1A1F2E;
    --sf-text-muted: #8A94A6;
    --sf-primary: #4361EE;
    --sf-primary-hover: #3451D1;
    --sf-danger: #E63946;
    --sf-success: #2DC653;
    --sf-warning: #F59E0B;
    --sf-shadow: 0 2px 12px rgba(0, 0, 0, 0.06), 0 1px 3px rgba(0, 0, 0, 0.04);
    --sf-radius: 10px;
}

/* ── Base ───────────────────────────────────────────────────────────────────── */
html, body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 14px;
    color: var(--sf-text);
    background: var(--sf-page-bg);
    height: 100%;
    margin: 0;
    -webkit-font-smoothing: antialiased;
}

a, .btn-link { color: var(--sf-primary); }

h1, h2, h3, h4, h5 { color: var(--sf-text); font-weight: 700; letter-spacing: -0.01em; }

/* Bootstrap card overrides — used on Dashboard and other pages */
.card {
    border-radius: var(--sf-radius) !important;
    border: 1px solid var(--sf-border) !important;
    box-shadow: var(--sf-shadow) !important;
    transition: box-shadow 0.2s, transform 0.2s;
}
.card:hover {
    box-shadow: 0 4px 20px rgba(0,0,0,0.09), 0 1px 4px rgba(0,0,0,0.05) !important;
}
.card-body { padding: 20px 22px; }
.card-subtitle { font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; }

.border-warning { border-color: var(--sf-warning) !important; }

/* ── Sidebar nav (global — NavLink components don't receive scoped CSS attrs) ── */
.sf-nav-brand {
    padding: 20px 18px 18px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    flex-shrink: 0;
    overflow: hidden;
    transition: padding 0.22s ease;
}

.sf-brand-link {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.sf-brand-logo {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--sf-primary) 0%, #6B8AFF 100%);
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.6875rem;
    font-weight: 800;
    color: white;
    flex-shrink: 0;
    box-shadow: 0 4px 10px rgba(67, 97, 238, 0.4);
}

.sf-brand-name {
    font-size: 1.0625rem;
    font-weight: 700;
    color: white;
    letter-spacing: -0.01em;
    white-space: nowrap;
    transition: opacity 0.18s ease, width 0.22s ease;
    overflow: hidden;
}

.sf-nav {
    padding: 10px 0 20px;
    overflow-y: auto;
    overflow-x: hidden;
    flex: 1;
}

.sf-nav-section-label {
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.35);
    padding: 18px 18px 6px;
    user-select: none;
    white-space: nowrap;
    overflow: hidden;
    transition: opacity 0.18s ease, height 0.22s ease, padding 0.22s ease;
}

.sf-nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 14px;
    color: rgba(255, 255, 255, 0.68);
    text-decoration: none;
    font-size: 0.875rem;
    transition: background 0.15s, color 0.15s, padding 0.22s, justify-content 0.22s;
    white-space: nowrap;
    overflow: hidden;
    line-height: 1.4;
    margin: 1px 8px;
    border-radius: 6px;
}

.sf-nav-link:hover {
    background: rgba(255, 255, 255, 0.07);
    color: rgba(255, 255, 255, 0.92);
    text-decoration: none;
}

.sf-nav-link.active {
    background: rgba(67, 97, 238, 0.3);
    color: white;
    font-weight: 600;
    box-shadow: inset 3px 0 0 var(--sf-primary);
}

/* ── Nav icon & text ──────────────────────────────────────────────────────── */
.sf-nav-icon {
    font-size: 1rem;
    width: 18px;
    text-align: center;
    flex-shrink: 0;
    line-height: 1;
    opacity: 0.85;
}

.sf-nav-link.active .sf-nav-icon { opacity: 1; }

.sf-nav-text {
    transition: opacity 0.18s ease;
    white-space: nowrap;
    overflow: hidden;
}

/* ── Collapsed sidebar overrides ─────────────────────────────────────────── */
.sf-sidebar--collapsed .sf-nav-brand {
    padding: 20px 16px 18px;
}

.sf-sidebar--collapsed .sf-brand-name {
    opacity: 0;
    width: 0;
}

.sf-sidebar--collapsed .sf-nav-section-label {
    opacity: 0;
    height: 0;
    padding-top: 0;
    padding-bottom: 0;
}

.sf-sidebar--collapsed .sf-nav-link {
    justify-content: center;
    padding: 10px 0;
    margin: 1px 8px;
    gap: 0;
}

.sf-sidebar--collapsed .sf-nav-text {
    opacity: 0;
    width: 0;
    overflow: hidden;
}

.sf-sidebar--collapsed .sf-nav-icon {
    width: auto;
    font-size: 1.15rem;
    opacity: 0.85;
}

/* ── Page header ─────────────────────────────────────────────────────────────── */
.sf-page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 22px;
}

.sf-page-title {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--sf-text);
    margin: 0;
    letter-spacing: -0.01em;
}

/* ── Buttons ────────────────────────────────────────────────────────────────── */
.btn {
    border-radius: 7px;
    font-weight: 500;
    font-size: 0.875rem;
    transition: all 0.15s;
}

.btn-primary {
    background-color: var(--sf-primary);
    border-color: var(--sf-primary);
    font-weight: 600;
}

.btn-primary:hover, .btn-primary:focus {
    background-color: var(--sf-primary-hover);
    border-color: var(--sf-primary-hover);
    box-shadow: 0 4px 12px rgba(67, 97, 238, 0.3);
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus,
.form-control:focus, .form-check-input:focus {
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
}

.form-control, .form-select {
    border-radius: 7px;
    border-color: var(--sf-border);
    font-size: 0.875rem;
}

.form-control:focus, .form-select:focus {
    border-color: var(--sf-primary);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.15);
}

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

.sf-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 13px 20px;
    border-bottom: 1px solid var(--sf-border);
    background: #F8F9FB;
    min-height: 52px;
}

.sf-card-header h5 {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--sf-text);
    margin: 0;
}

/* ── Tables ─────────────────────────────────────────────────────────────────── */
.sf-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--sf-card-bg);
}

.sf-table thead th {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--sf-text-muted);
    padding: 12px 16px;
    border-bottom: 1px solid var(--sf-border);
    white-space: nowrap;
    background: #F8F9FB;
}

.sf-table tbody td {
    padding: 11px 16px;
    border-bottom: 1px solid var(--sf-border);
    color: var(--sf-text);
    font-size: 0.875rem;
    vertical-align: middle;
}

.sf-table tbody tr:last-child td { border-bottom: none; }
.sf-table tbody tr:hover td { background: #F8F9FB; }
.sf-table td.col-actions { text-align: right; white-space: nowrap; }

.sf-table tfoot td {
    padding: 11px 16px;
    border-top: 2px solid var(--sf-border);
    font-size: 0.875rem;
    color: var(--sf-text);
    background: #F8F9FB;
}

.sf-summary-table { width: 100%; border-collapse: collapse; }
.sf-summary-table tr td { padding: 8px 0; font-size: 0.875rem; color: var(--sf-text); }
.sf-summary-table tr td:last-child { text-align: right; font-variant-numeric: tabular-nums; }
.sf-summary-table .sf-summary-muted td { color: var(--sf-text-muted); }
.sf-summary-table .sf-summary-subtotal td { font-weight: 600; border-top: 1px solid var(--sf-border); padding-top: 10px; }
.sf-summary-table .sf-summary-total td { font-weight: 700; border-top: 2px solid var(--sf-border); padding-top: 10px; font-size: 1rem; }
.sf-summary-table .sf-summary-grand td { font-weight: 700; border-top: 2px solid var(--sf-primary); padding-top: 12px; padding-bottom: 4px; font-size: 1.125rem; color: var(--sf-primary); }

/* ── Alerts ──────────────────────────────────────────────────────────────────── */
.sf-alert-error {
    background: #FFF5F5;
    border: 1px solid #FED7D7;
    border-radius: 8px;
    color: #C53030;
    padding: 11px 16px;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 16px;
}

.sf-alert-success {
    background: #F0FFF4;
    border: 1px solid #9AE6B4;
    border-radius: 8px;
    color: #276749;
    padding: 11px 16px;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 16px;
}

/* ── Badges ──────────────────────────────────────────────────────────────────── */
.sf-badge {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 600;
    padding: 3px 9px;
    border-radius: 20px;
}

.sf-badge-yes     { background: #DCFCE7; color: #166534; }
.sf-badge-no      { background: #F1F5F9; color: #64748B; }
.sf-badge-neutral { background: #EEF2FF; color: #4338CA; }
.sf-badge-warning { background: #FEF9C3; color: #854D0E; }
.sf-badge-info    { background: #DBEAFE; color: #1D4ED8; }
.sf-badge-lg      { font-size: 0.8125rem; padding: 5px 14px; }

/* ── Form section headers ────────────────────────────────────────────────────── */
.sf-form-section-header {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #6B778C;
    border-bottom: 1px solid #DFE1E6;
    padding-bottom: 6px;
    margin-bottom: 14px;
}

/* ── Drawer tabs ─────────────────────────────────────────────────────────────── */
.sf-tab-bar {
    display: flex;
    border-bottom: 2px solid var(--sf-border);
    margin-bottom: 20px;
}
.sf-tab {
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    padding: 8px 16px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--sf-text-muted);
    cursor: pointer;
    transition: color 0.15s;
}
.sf-tab:hover { color: var(--sf-text); }
.sf-tab.active { color: var(--sf-primary); border-bottom-color: var(--sf-primary); font-weight: 600; }
.sf-tab-content { padding-top: 4px; }

/* ── Collapsible sections ────────────────────────────────────────────────────── */
.sf-collapsible-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    background: none;
    border: none;
    border-bottom: 1px solid #DFE1E6;
    padding: 0 0 6px 0;
    margin-bottom: 14px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #6B778C;
    cursor: pointer;
    text-align: left;
}
.sf-collapsible-header:hover { color: #172B4D; }
.sf-collapsible-caret {
    font-size: 1rem;
    line-height: 1;
    transform: rotate(90deg);
    transition: transform 0.15s ease;
    display: inline-block;
}
.sf-collapsible-caret.open { transform: rotate(270deg); }
.sf-collapsible-body { margin-bottom: 4px; }

/* ── Contact cards (customer admin) ─────────────────────────────────────────── */
.sf-contact-card {
    border: 1px solid #DFE1E6;
    border-radius: 6px;
    padding: 12px;
    margin-bottom: 12px;
    background: #FAFBFC;
}
.sf-contact-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    font-size: 0.8125rem;
    margin-bottom: 10px;
}

/* ── Multi-select checklist ──────────────────────────────────────────────────── */
.sf-multiselect-list {
    border: 1px solid #DFE1E6;
    border-radius: 4px;
    max-height: 180px;
    overflow-y: auto;
    padding: 8px 12px;
    background: #fff;
}
.sf-multiselect-list .form-check {
    margin-bottom: 4px;
}
.sf-multiselect-count {
    font-size: 0.75rem;
    font-weight: 400;
    color: #6B778C;
}

/* ── Right Drawer ────────────────────────────────────────────────────────────── */
.drawer-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.45);
    z-index: 1040;
    animation: sfFadeIn 0.15s ease;
    backdrop-filter: blur(2px);
}

.drawer-panel {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 480px;
    max-width: 100vw;
    background: #fff;
    z-index: 1050;
    display: flex;
    flex-direction: column;
    box-shadow: -8px 0 32px rgba(0, 0, 0, 0.12);
    animation: sfSlideIn 0.2s ease;
}

.drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--sf-border);
    flex-shrink: 0;
    background: #FAFBFC;
}

.drawer-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--sf-text);
    letter-spacing: -0.01em;
}

.drawer-close {
    background: none;
    border: 1px solid transparent;
    font-size: 1rem;
    color: var(--sf-text-muted);
    cursor: pointer;
    padding: 5px 9px;
    line-height: 1;
    border-radius: 6px;
    transition: all 0.15s;
}

.drawer-close:hover { background: var(--sf-border); border-color: var(--sf-border); color: var(--sf-text); }

.drawer-body {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
}

.drawer-actions {
    display: flex;
    gap: 8px;
    padding-top: 20px;
    margin-top: 8px;
    border-top: 1px solid var(--sf-border);
}

@keyframes sfFadeIn  { from { opacity: 0 } to { opacity: 1 } }
@keyframes sfSlideIn { from { transform: translateX(100%) } to { transform: translateX(0) } }

/* ── Form fields inside drawer ───────────────────────────────────────────────── */
.drawer-body .form-label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--sf-text-muted);
    margin-bottom: 4px;
}

.drawer-body .form-control,
.drawer-body .form-select {
    border-color: var(--sf-border);
    border-radius: 3px;
    font-size: 0.875rem;
    color: var(--sf-text);
}

.drawer-body .form-control:focus,
.drawer-body .form-select:focus {
    border-color: var(--sf-primary);
    box-shadow: 0 0 0 2px rgba(0, 82, 204, 0.2);
}

/* ── Inner tables in drawer (plate items, guide items, etc.) ─────────────────── */
.drawer-body .inner-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8125rem;
    margin-top: 4px;
}

.drawer-body .inner-table th {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--sf-text-muted);
    padding: 6px 8px;
    border-bottom: 1px solid var(--sf-border);
    background: #FAFBFC;
}

.drawer-body .inner-table td {
    padding: 5px 8px;
    border-bottom: 1px solid var(--sf-border);
    vertical-align: middle;
}

.drawer-body .inner-table .form-control,
.drawer-body .inner-table .form-select { padding: 3px 8px; }

/* Compact tube-association grid nested inside the profiles inner-table */
.tube-assoc-grid {
    border-collapse: collapse;
    font-size: 0.8125rem;
    width: 100%;
}

.tube-assoc-grid th {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--sf-text-muted);
    padding: 2px 8px 4px;
    border-bottom: 1px solid var(--sf-border);
    white-space: nowrap;
}

.tube-assoc-grid td {
    padding: 3px 8px;
    vertical-align: middle;
    white-space: nowrap;
}

.tube-assoc-grid td:first-child { width: 24px; padding-right: 4px; }
.tube-assoc-grid td:nth-child(2) { min-width: 90px; }

.tube-row-unselected td { color: var(--sf-text-muted); }
.tube-row-unselected input[type="number"] { opacity: 0.4; }

.tube-toggle-btn {
    font-size: 0.8125rem;
    padding: 2px 10px;
    color: var(--sf-text-muted);
    border-color: var(--sf-border);
    white-space: nowrap;
}

.tube-toggle-btn:hover { color: #172B4D; border-color: #8993A4; }
.tube-toggle-chevron { font-style: normal; margin-right: 4px; }

/* ── Pagination ──────────────────────────────────────────────────────────────── */
.sf-pagination {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 16px;
    border-top: 1px solid var(--sf-border);
    background: #F8F9FB;
    flex-wrap: wrap;
}

.sf-pagination-info {
    font-size: 0.8125rem;
    color: var(--sf-text-muted);
    flex: 1;
    white-space: nowrap;
}

.sf-pagination-controls {
    display: flex;
    align-items: center;
    gap: 2px;
}

.sf-page-btn {
    min-width: 32px;
    height: 32px;
    border: 1px solid var(--sf-border);
    background: white;
    border-radius: 6px;
    font-size: 0.8125rem;
    cursor: pointer;
    color: var(--sf-text);
    padding: 0 8px;
    line-height: 1;
    transition: all 0.15s;
}

.sf-page-btn:hover:not(:disabled):not(.active) { background: var(--sf-page-bg); border-color: #D0D5DD; }

.sf-page-btn.active {
    background: var(--sf-primary);
    border-color: var(--sf-primary);
    color: white;
    font-weight: 600;
    box-shadow: 0 2px 6px rgba(67, 97, 238, 0.3);
}

.sf-page-btn:disabled { opacity: 0.35; cursor: not-allowed; }

.sf-page-ellipsis {
    padding: 0 4px;
    color: var(--sf-text-muted);
    font-size: 0.875rem;
}

.sf-page-size-select {
    border: 1px solid var(--sf-border);
    border-radius: 3px;
    padding: 4px 8px;
    font-size: 0.8125rem;
    color: var(--sf-text);
    background: white;
    cursor: pointer;
}

/* ── Filter bar ──────────────────────────────────────────────────────────────── */
.sf-filter-bar {
    display: flex;
    gap: 8px;
    margin-bottom: 14px;
    align-items: center;
    flex-wrap: wrap;
}

.sf-filter-input {
    flex: 1;
    min-width: 180px;
    font-size: 0.875rem;
    height: 36px;
    border-color: var(--sf-border);
    border-radius: 7px;
    color: var(--sf-text);
}

.sf-filter-select {
    width: auto;
    min-width: 130px;
    font-size: 0.875rem;
    height: 36px;
    border-color: var(--sf-border);
    border-radius: 7px;
    color: var(--sf-text);
    background: white;
    cursor: pointer;
    padding: 0 10px;
}

/* ── State placeholders ──────────────────────────────────────────────────────── */
.sf-loading, .sf-empty {
    color: var(--sf-text-muted);
    text-align: center;
    padding: 40px 16px;
    font-size: 0.875rem;
}

/* ── Validation ──────────────────────────────────────────────────────────────── */
.valid.modified:not([type=checkbox]) { outline: 1px solid var(--sf-success); }
.invalid                             { outline: 1px solid var(--sf-danger);  }
.validation-message                  { color: var(--sf-danger); font-size: 0.8125rem; margin-top: 2px; }

/* ── Blazor infrastructure ───────────────────────────────────────────────────── */
#blazor-error-ui {
    color-scheme: light only;
    background: lightyellow;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 2000;
}

#blazor-error-ui .dismiss { cursor: pointer; position: absolute; right: 0.75rem; top: 0.5rem; }
.blazor-error-boundary { padding: 1rem 1rem 1rem 3.7rem; color: white; background: #b32121; border-radius: 4px; }
.blazor-error-boundary::after { content: "An error has occurred." }

/* ── Test Calculator — form utilities ───────────────────────────────────────── */
.sf-form-group { display: flex; flex-direction: column; gap: 4px; margin-bottom: 16px; }
.sf-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.sf-label { font-size: 0.8125rem; font-weight: 600; color: var(--sf-text-muted); text-transform: uppercase; letter-spacing: 0.03em; margin-bottom: 2px; display: block; }
.sf-label-optional { font-weight: 400; font-size: 0.75rem; }
.sf-value { font-size: 0.9375rem; color: var(--sf-text); }
.sf-mono { font-family: 'Consolas', 'Monaco', monospace; font-size: 0.875rem; letter-spacing: 0.02em; }
.sf-date { font-size: 0.8125rem; color: var(--sf-text-muted); white-space: nowrap; }
.sf-input, .sf-select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--sf-border);
    border-radius: 4px;
    font-size: 0.875rem;
    color: var(--sf-text);
    background: #fff;
    transition: border-color 0.15s;
}
.sf-input:focus, .sf-select:focus { outline: none; border-color: var(--sf-primary); box-shadow: 0 0 0 3px rgba(0,82,204,0.12); }
.sf-input:disabled, .sf-select:disabled { background: var(--sf-page-bg); color: var(--sf-text-muted); cursor: not-allowed; }

.sf-calc-inputs-row {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 16px;
    margin-bottom: 16px;
}

.sf-calc-inputs-row .sf-form-group { margin-bottom: 0; min-width: 120px; }
.sf-calc-inputs-row .sf-form-group-grow { flex: 1 1 180px; }

.sf-calc-radios-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 16px;
}
@media (max-width: 700px) {
    .sf-calc-radios-row { grid-template-columns: 1fr 1fr; }
    .sf-form-row { grid-template-columns: 1fr; }
    .sf-calc-inputs-row { flex-direction: column; }
    .sf-calc-inputs-row .sf-form-group-grow { flex: none; width: 100%; }
}
.sf-calc-radio-group { display: flex; flex-direction: column; gap: 4px; }
.sf-radio-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8125rem;
    color: var(--sf-text);
    cursor: pointer;
    user-select: none;
}
.sf-radio-label input[type="radio"] { accent-color: var(--sf-primary); cursor: pointer; }

.sf-form-actions { display: flex; gap: 12px; align-items: center; margin-top: 4px; }
.sf-btn {
    padding: 8px 20px;
    border-radius: 4px;
    font-size: 0.875rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: background 0.15s, opacity 0.15s;
}
.sf-btn:disabled { opacity: 0.6; cursor: not-allowed; }
.sf-btn-primary { background: var(--sf-primary); color: #fff; }
.sf-btn-primary:hover:not(:disabled) { background: #0747A6; }
.sf-btn-ghost { background: transparent; color: var(--sf-primary); border: 1px solid var(--sf-border); }
.sf-btn-ghost:hover:not(:disabled) { background: var(--sf-page-bg); }
.sf-alert { padding: 10px 14px; border-radius: 4px; font-size: 0.875rem; margin-bottom: 16px; }
.sf-alert-error { background: #FFF5F5; border: 1px solid #FED7D7; color: #C53030; }
.sf-empty-state { padding: 24px; text-align: center; color: var(--sf-text-muted); font-size: 0.9rem; }

/* ── Test Calculator ─────────────────────────────────────────────────────────── */
.sf-calc-layout {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.sf-calc-form-panel {
    background: var(--sf-card-bg);
    border-radius: 6px;
    box-shadow: var(--sf-shadow);
    padding: 24px;
}

.sf-calc-results-panel {
    background: var(--sf-card-bg);
    border-radius: 6px;
    box-shadow: var(--sf-shadow);
    padding: 24px;
}

.sf-section-title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--sf-text-muted);
    margin-bottom: 16px;
}

.sf-calc-tubes { display: flex; flex-direction: column; gap: 16px; }

.sf-calc-tube-card {
    border: 1px solid var(--sf-border);
    border-radius: 6px;
    overflow: hidden;
}
.sf-calc-tube-selected { border-color: var(--sf-success); }

/* Compact calc result cards used inside the quote item drawer */
.sf-calc-item-card {
    border: 2px solid var(--sf-border);
    border-radius: var(--sf-radius);
    margin-bottom: 8px;
    overflow: hidden;
    transition: border-color 0.15s;
}
.sf-calc-item-card:hover { border-color: var(--sf-primary); }
.sf-calc-item-auto  { border-color: #86EFAC; }
.sf-calc-item-picked { border-color: var(--sf-primary) !important; }

.sf-calc-item-header {
    padding: 10px 14px;
    cursor: pointer;
    background: #FAFBFC;
    user-select: none;
    transition: background 0.12s;
}
.sf-calc-item-header:hover { background: #F0F2F5; }
.sf-calc-item-auto  .sf-calc-item-header { background: #F0FDF4; }
.sf-calc-item-auto  .sf-calc-item-header:hover { background: #DCFCE7; }
.sf-calc-item-picked .sf-calc-item-header { background: #EEF2FF; }
.sf-calc-item-picked .sf-calc-item-header:hover { background: #E0E7FF; }

.sf-calc-item-body {
    padding: 14px;
    border-top: 1px solid var(--sf-border);
    background: #fff;
}

/* Key-value grid inside the expanded breakdown */
.sf-calc-item-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px 20px;
    margin-bottom: 14px;
}
.sf-calc-kv-label {
    display: block;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--sf-text-muted);
}
.sf-calc-kv-val {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--sf-text);
}

/* Component BOM table inside expanded card */
.sf-calc-bom-table {
    width: 100%;
    font-size: 0.8125rem;
    border-collapse: collapse;
    margin-bottom: 4px;
}
.sf-calc-bom-table th {
    background: #F8F9FB;
    font-weight: 600;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--sf-text-muted);
    padding: 5px 8px;
    border-bottom: 1px solid var(--sf-border);
}
.sf-calc-bom-table td {
    padding: 5px 8px;
    border-bottom: 1px solid #F0F2F5;
    color: var(--sf-text);
    vertical-align: middle;
}
.sf-calc-bom-table tfoot td {
    border-top: 2px solid var(--sf-border);
    border-bottom: none;
    padding-top: 7px;
    font-size: 0.875rem;
}

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

.sf-calc-tube-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--sf-page-bg);
    border-bottom: 1px solid var(--sf-border);
}
.sf-calc-tube-selected .sf-calc-tube-header { background: #E3FCEF; }
.sf-calc-tube-header-toggle { cursor: pointer; user-select: none; }
.sf-calc-tube-header-toggle:hover { background: #F4F5F7; }
.sf-calc-tube-selected .sf-calc-tube-header-toggle:hover { background: #CBFCE2; }

.sf-calc-tube-size { font-size: 1rem; font-weight: 600; color: var(--sf-text); }
.sf-calc-tube-cost { margin-left: auto; font-weight: 600; color: var(--sf-primary); }

.sf-calc-tube-body { padding: 16px; }

.sf-calc-cols {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 12px;
}

@media (max-width: 900px) {
    .sf-calc-cols { grid-template-columns: 1fr; }
}

.sf-calc-col {}
.sf-calc-section-label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--sf-text-muted);
    margin-bottom: 8px;
}

.sf-calc-dl {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 3px 12px;
    font-size: 0.8125rem;
    margin: 0;
}
.sf-calc-dl dt { color: var(--sf-text-muted); white-space: nowrap; }
.sf-calc-dl dd { margin: 0; color: var(--sf-text); font-weight: 500; }

.sf-calc-dl-inline { gap: 4px 16px; }

.sf-calc-total {
    margin-top: 12px;
    padding-top: 8px;
    border-top: 1px solid var(--sf-border);
    font-weight: 700;
    font-size: 0.9375rem;
    color: var(--sf-primary);
}

.sf-value-pass { color: var(--sf-success); }
.sf-value-fail { color: var(--sf-danger); }

/* Audit log */
.sf-calc-audit { margin-top: 24px; }
.sf-audit-body {
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.8rem;
    background: #1A1F2E;
    color: #CBD5E0;
    border-radius: 0 0 4px 4px;
    padding: 12px 16px;
    max-height: 400px;
    overflow-y: auto;
}
.sf-audit-line { padding: 1px 0; line-height: 1.5; }
.sf-audit-group { color: #90CDF4; font-weight: bold; margin-top: 4px; }
.sf-audit-ok    { color: #68D391; }
.sf-audit-warn  { color: #F6E05E; }
.sf-audit-error { color: #FC8181; }

/* Badges */
.sf-badge { display: inline-block; font-size: 0.7rem; font-weight: 600; padding: 2px 8px; border-radius: 10px; text-transform: uppercase; letter-spacing: 0.04em; }
.sf-badge-success { background: #E3FCEF; color: #006644; }
.sf-badge-warning { background: #FFFAE6; color: #974F0C; }

/* ── Checkbox list (multi-select replacement) ───────────────────────────────── */
.sf-checkbox-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
    max-height: 160px;
    overflow-y: auto;
    border: 1px solid var(--sf-border);
    border-radius: 4px;
    padding: 8px 10px;
    background: #fff;
}
.sf-checkbox-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8125rem;
    color: var(--sf-text);
    cursor: pointer;
    user-select: none;
}
.sf-checkbox-item input[type="checkbox"] { accent-color: var(--sf-primary); cursor: pointer; }

/* ── Wide drawer variant ─────────────────────────────────────────────────────── */
.drawer-panel-wide { width: 980px; }

/* ── Motor Platform admin sections ──────────────────────────────────────────── */
.mp-section {
    border: 1px solid var(--sf-border);
    border-radius: 6px;
    padding: 14px 16px;
    margin-bottom: 16px;
}
.mp-section-title {
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--sf-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}
.mp-section-help {
    font-size: 0.75rem;
    color: var(--sf-text-muted);
    margin-bottom: 10px;
}

/* ── Shutter breakdown modal ─────────────────────────────────────────────────── */
.sf-modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    z-index: 1050;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}
.sf-modal {
    background: var(--sf-card-bg);
    border-radius: var(--sf-radius);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.22);
    width: 100%;
    max-width: 680px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.sf-modal-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--sf-border);
    flex-shrink: 0;
}
.sf-modal-body {
    padding: 20px;
    overflow-y: auto;
    flex: 1 1 auto;
}
.sf-modal-footer {
    padding: 12px 20px;
    border-top: 1px solid var(--sf-border);
    display: flex;
    justify-content: flex-end;
    flex-shrink: 0;
}

/* ── Dashboard Stat Cards ────────────────────────────────────────────────────── */
.sf-stat-card {
    border-left: 4px solid var(--sf-border) !important;
}
.sf-stat-card--primary { border-left-color: var(--sf-primary) !important; }
.sf-stat-card--warning { border-left-color: var(--sf-warning) !important; }
.sf-stat-card--success { border-left-color: var(--sf-success) !important; }
.sf-stat-card--info    { border-left-color: #3A86FF !important; }
.sf-stat-card--muted   { border-left-color: var(--sf-border) !important; }

.sf-stat-icon {
    width: 48px; height: 48px;
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.35rem; flex-shrink: 0;
}
.sf-stat-icon--primary { background: rgba(67,97,238,0.10); color: var(--sf-primary); }
.sf-stat-icon--warning { background: rgba(245,158,11,0.10); color: var(--sf-warning); }
.sf-stat-icon--success { background: rgba(45,198,83,0.10);  color: var(--sf-success); }
.sf-stat-icon--info    { background: rgba(58,134,255,0.10); color: #3A86FF; }
.sf-stat-icon--muted   { background: #f3f4f6; color: #9CA3AF; }

.sf-stat-value {
    font-size: 2rem; font-weight: 700; line-height: 1.1;
    color: var(--sf-text);
}
.sf-stat-label {
    font-size: 0.76rem; color: var(--sf-text-muted);
    margin-top: 2px; white-space: nowrap;
}
.sf-stat-link {
    font-size: 0.76rem; color: var(--sf-primary);
    text-decoration: none; font-weight: 500;
}
.sf-stat-link:hover { text-decoration: underline; }