/* =====================================================================
   SupplySphere App — design system (v2)
   Calm, dense, enterprise UI for procurement teams and developers.
   Tokens → base → shell → components → utilities. Light + dark themes.
   ===================================================================== */

:root {
    --ss-font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    --ss-font-display: "Plus Jakarta Sans", var(--ss-font);
    --ss-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

    /* Neutrals (slate) */
    --ss-bg: #f6f7f9;
    --ss-surface: #ffffff;
    --ss-surface-2: #f9fafb;
    --ss-surface-3: #f1f3f6;
    --ss-border: #e4e7ec;
    --ss-border-strong: #d0d5dd;
    --ss-text: #101828;
    --ss-text-2: #475467;
    --ss-text-3: #667085;
    --ss-text-inverse: #ffffff;

    /* Brand — deep industrial blue + safety amber accent */
    --ss-brand: #1d4ed8;
    --ss-brand-hover: #1e40af;
    --ss-brand-soft: #eef2ff;
    --ss-brand-ring: rgba(29, 78, 216, .28);
    --ss-accent: #f59e0b;
    --ss-accent-soft: #fff7e6;

    /* Status */
    --ss-success: #067647; --ss-success-soft: #ecfdf3;
    --ss-warning: #b54708; --ss-warning-soft: #fffaeb;
    --ss-danger: #b42318;  --ss-danger-soft: #fef3f2;
    --ss-info: #175cd3;    --ss-info-soft: #eff8ff;

    --ss-sidebar-bg: #0b1324;
    --ss-sidebar-text: #c6cfdd;
    --ss-sidebar-muted: #7d8aa3;
    --ss-sidebar-active: #ffffff;
    --ss-sidebar-active-bg: rgba(255, 255, 255, .08);

    --ss-radius-sm: 6px;
    --ss-radius: 10px;
    --ss-radius-lg: 14px;
    --ss-shadow-sm: 0 1px 2px rgba(16, 24, 40, .06);
    --ss-shadow: 0 1px 3px rgba(16, 24, 40, .08), 0 1px 2px rgba(16, 24, 40, .04);
    --ss-shadow-lg: 0 12px 32px -8px rgba(16, 24, 40, .18);

    --ss-sidebar-w: 248px;
    --ss-topbar-h: 60px;
    color-scheme: light;
}

:root[data-theme="dark"] {
    --ss-bg: #0b0f17;
    --ss-surface: #121826;
    --ss-surface-2: #161d2d;
    --ss-surface-3: #1c2436;
    --ss-border: #263043;
    --ss-border-strong: #33405a;
    --ss-text: #eef2f8;
    --ss-text-2: #b6c0d1;
    --ss-text-3: #8794ab;
    --ss-brand: #5b8cff;
    --ss-brand-hover: #7aa2ff;
    --ss-brand-soft: rgba(91, 140, 255, .14);
    --ss-brand-ring: rgba(91, 140, 255, .35);
    --ss-accent-soft: rgba(245, 158, 11, .14);
    --ss-success: #47cd89; --ss-success-soft: rgba(71, 205, 137, .12);
    --ss-warning: #fdb022; --ss-warning-soft: rgba(253, 176, 34, .12);
    --ss-danger: #f97066;  --ss-danger-soft: rgba(249, 112, 102, .12);
    --ss-info: #84caff;    --ss-info-soft: rgba(132, 202, 255, .12);
    --ss-sidebar-bg: #070b12;
    --ss-shadow: 0 1px 3px rgba(0, 0, 0, .4);
    --ss-shadow-lg: 0 12px 32px -8px rgba(0, 0, 0, .6);
    color-scheme: dark;
}

/* ── Base ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body.ss-app {
    margin: 0;
    font-family: var(--ss-font);
    font-size: 14px;
    line-height: 1.5;
    color: var(--ss-text);
    background: var(--ss-bg);
    -webkit-font-smoothing: antialiased;
}
.ss-app a { color: var(--ss-brand); text-decoration: none; }
.ss-app a:hover { text-decoration: underline; }
.ss-app h1, .ss-app h2, .ss-app h3, .ss-app h4 { font-family: var(--ss-font-display); color: var(--ss-text); margin: 0; letter-spacing: -.01em; }
.ss-app h1 { font-size: 22px; font-weight: 700; }
.ss-app h2 { font-size: 16px; font-weight: 650; }
.ss-app h3 { font-size: 14px; font-weight: 650; }
.ss-app p { margin: 0; }
.ss-app code, .ss-app pre, .ss-app kbd { font-family: var(--ss-mono); font-size: 12.5px; }
.ss-app :focus-visible { outline: 2px solid var(--ss-brand); outline-offset: 2px; border-radius: 4px; }
.ss-skip { position: absolute; left: -9999px; }
.ss-skip:focus { left: 12px; top: 12px; z-index: 100; background: var(--ss-surface); padding: 8px 12px; border-radius: var(--ss-radius-sm); }

/* ── Shell ────────────────────────────────────────────────────────── */
.ss-shell { display: grid; grid-template-columns: var(--ss-sidebar-w) 1fr; min-height: 100vh; }

.ss-sidebar {
    position: sticky; top: 0; height: 100vh;
    display: flex; flex-direction: column;
    background: var(--ss-sidebar-bg); color: var(--ss-sidebar-text);
    padding: 16px 12px; overflow-y: auto;
}
.ss-brand { display: flex; align-items: center; gap: 10px; padding: 6px 8px 18px; color: #fff !important; text-decoration: none !important; }
.ss-brand-mark, .ss-logo-mark { width: 32px; height: 32px; border-radius: 9px; flex-shrink: 0; display: block; }
.ss-logo-mark { box-shadow: 0 4px 12px -4px rgba(29, 78, 216, .55); }
.ss-wordmark { font-family: var(--ss-font-display); font-weight: 800; letter-spacing: -.025em; white-space: nowrap; }
.ss-wordmark > span { color: var(--ss-brand); }
.ss-sidebar .ss-wordmark > span, .ss-site-hero .ss-wordmark > span, .ss-cta .ss-wordmark > span { color: #93b4ff; }
.ss-brand-name { font-family: var(--ss-font-display); font-weight: 750; font-size: 16px; letter-spacing: -.02em; }
.ss-brand-tag { font-size: 10px; color: var(--ss-sidebar-muted); text-transform: uppercase; letter-spacing: .08em; display: block; }

.ss-nav-group { margin-top: 14px; }
.ss-nav-label { font-size: 10.5px; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; color: var(--ss-sidebar-muted); padding: 0 10px 6px; }
.ss-nav a {
    display: flex; align-items: center; gap: 10px; padding: 7px 10px; margin: 1px 0;
    border-radius: 8px; color: var(--ss-sidebar-text); font-weight: 500; font-size: 13.5px; text-decoration: none !important;
}
.ss-nav a i { width: 18px; text-align: center; font-size: 13px; color: var(--ss-sidebar-muted); }
.ss-nav a:hover { background: rgba(255, 255, 255, .05); color: #fff; }
.ss-nav a[aria-current="page"] { background: var(--ss-sidebar-active-bg); color: var(--ss-sidebar-active); }
.ss-nav a[aria-current="page"] i { color: #8fb0ff; }
.ss-nav .ss-ext { margin-left: auto; font-size: 10px; opacity: .6; }
.ss-sidebar-foot { margin-top: auto; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.07); display: grid; gap: 4px; }
.ss-user { display: flex; align-items: center; gap: 10px; padding: 8px 10px; }
.ss-avatar { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; background: #1e293b; color: #cbd5e1; font-weight: 700; font-size: 12px; flex-shrink: 0; }
.ss-user-name { color: #fff; font-weight: 600; font-size: 13px; line-height: 1.2; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 150px; }
.ss-user-mail { color: var(--ss-sidebar-muted); font-size: 11.5px; }

.ss-main { min-width: 0; display: flex; flex-direction: column; }
.ss-topbar {
    position: sticky; top: 0; z-index: 20; height: var(--ss-topbar-h);
    display: flex; align-items: center; gap: 16px; padding: 0 28px;
    background: color-mix(in srgb, var(--ss-bg) 88%, transparent);
    backdrop-filter: saturate(1.4) blur(8px);
    border-bottom: 1px solid var(--ss-border);
}
.ss-menu-btn { display: none; }
.ss-search { position: relative; flex: 1; max-width: 520px; }
.ss-search input {
    width: 100%; height: 36px; padding: 0 64px 0 36px; border-radius: 9px;
    border: 1px solid var(--ss-border); background: var(--ss-surface); color: var(--ss-text); font: inherit;
}
.ss-search input:focus { outline: none; border-color: var(--ss-brand); box-shadow: 0 0 0 3px var(--ss-brand-ring); }
.ss-search > i { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--ss-text-3); font-size: 13px; }
.ss-search kbd { position: absolute; right: 8px; top: 50%; transform: translateY(-50%); }
.ss-topbar-actions { margin-left: auto; display: flex; align-items: center; gap: 8px; }

.ss-content { padding: 28px; max-width: 1360px; width: 100%; margin: 0 auto; }
.ss-page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 22px; flex-wrap: wrap; }
.ss-page-head p { color: var(--ss-text-2); margin-top: 4px; max-width: 760px; }
.ss-crumbs { font-size: 12.5px; color: var(--ss-text-3); margin-bottom: 6px; display: flex; gap: 6px; align-items: center; }
.ss-crumbs a { color: var(--ss-text-3); }

/* ── Components ───────────────────────────────────────────────────── */
.ss-card { background: var(--ss-surface); border: 1px solid var(--ss-border); border-radius: var(--ss-radius-lg); box-shadow: var(--ss-shadow-sm); }
.ss-card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 16px 20px; border-bottom: 1px solid var(--ss-border); }
.ss-card-head p { color: var(--ss-text-3); font-size: 12.5px; margin-top: 2px; }
.ss-card-body { padding: 20px; }
.ss-card-foot { padding: 12px 20px; border-top: 1px solid var(--ss-border); background: var(--ss-surface-2); border-radius: 0 0 var(--ss-radius-lg) var(--ss-radius-lg); }

.ss-grid { display: grid; gap: 16px; }
.ss-grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.ss-grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.ss-grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.ss-split { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 20px; align-items: start; }
.ss-split-left { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 20px; align-items: start; }
.ss-stack { display: grid; gap: 16px; }
.ss-split > *, .ss-split-left > *, .ss-stack > *, .ss-grid > * { min-width: 0; }

.ss-stat { padding: 18px 20px; }
.ss-stat-label { color: var(--ss-text-3); font-size: 12.5px; font-weight: 500; display: flex; align-items: center; gap: 8px; }
.ss-stat-value { font-family: var(--ss-font-display); font-size: 26px; font-weight: 750; margin-top: 6px; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.ss-stat-sub { color: var(--ss-text-3); font-size: 12px; margin-top: 2px; }
.ss-icon-chip { width: 28px; height: 28px; border-radius: 8px; display: inline-grid; place-items: center; background: var(--ss-brand-soft); color: var(--ss-brand); font-size: 12px; }

.ss-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    height: 36px; padding: 0 14px; border-radius: 9px; border: 1px solid transparent;
    font: 600 13.5px/1 var(--ss-font); cursor: pointer; white-space: nowrap; text-decoration: none !important;
    transition: background .15s, border-color .15s, box-shadow .15s;
}
.ss-btn-primary { background: var(--ss-brand); color: #fff !important; box-shadow: var(--ss-shadow-sm); }
.ss-btn-primary:hover { background: var(--ss-brand-hover); }
.ss-btn-secondary { background: var(--ss-surface); color: var(--ss-text) !important; border-color: var(--ss-border-strong); box-shadow: var(--ss-shadow-sm); }
.ss-btn-secondary:hover { background: var(--ss-surface-3); }
.ss-btn-ghost { background: transparent; color: var(--ss-text-2) !important; }
.ss-btn-ghost:hover { background: var(--ss-surface-3); }
.ss-btn-danger { background: var(--ss-surface); color: var(--ss-danger) !important; border-color: var(--ss-border-strong); }
.ss-btn-danger:hover { background: var(--ss-danger-soft); border-color: var(--ss-danger); }
.ss-btn-sm { height: 30px; padding: 0 10px; font-size: 12.5px; border-radius: 8px; }
.ss-btn-icon { width: 36px; padding: 0; }
.ss-btn[disabled] { opacity: .55; cursor: not-allowed; }

.ss-badge { display: inline-flex; align-items: center; gap: 5px; height: 22px; padding: 0 8px; border-radius: 999px; font-size: 11.5px; font-weight: 600; background: var(--ss-surface-3); color: var(--ss-text-2); white-space: nowrap; }
.ss-badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; opacity: .8; }
.ss-badge.no-dot::before { display: none; }
.ss-badge-success { background: var(--ss-success-soft); color: var(--ss-success); }
.ss-badge-warning { background: var(--ss-warning-soft); color: var(--ss-warning); }
.ss-badge-danger { background: var(--ss-danger-soft); color: var(--ss-danger); }
.ss-badge-info { background: var(--ss-info-soft); color: var(--ss-info); }
.ss-badge-brand { background: var(--ss-brand-soft); color: var(--ss-brand); }
.ss-tag { display: inline-flex; align-items: center; height: 22px; padding: 0 8px; border-radius: 6px; font-size: 11.5px; font-weight: 500; background: var(--ss-surface-3); color: var(--ss-text-2); border: 1px solid var(--ss-border); }
.ss-tag-mono { font-family: var(--ss-mono); font-size: 11px; }

.ss-table-wrap { overflow-x: auto; }
.ss-table { width: 100%; border-collapse: separate; border-spacing: 0; }
.ss-table th { text-align: left; font-size: 11.5px; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; color: var(--ss-text-3); padding: 10px 16px; background: var(--ss-surface-2); border-bottom: 1px solid var(--ss-border); white-space: nowrap; }
.ss-table td { padding: 12px 16px; border-bottom: 1px solid var(--ss-border); vertical-align: top; }
.ss-table tbody tr:last-child td { border-bottom: 0; }
.ss-table tbody tr:hover td { background: var(--ss-surface-2); }
.ss-table .ss-primary-cell { font-weight: 600; color: var(--ss-text); }
.ss-table .ss-sub { color: var(--ss-text-3); font-size: 12.5px; }
.ss-table .num { text-align: right; font-variant-numeric: tabular-nums; }

.ss-field { display: grid; gap: 6px; }
.ss-field + .ss-field { margin-top: 14px; }
.ss-label { font-weight: 600; font-size: 13px; color: var(--ss-text); }
.ss-hint { font-size: 12px; color: var(--ss-text-3); }
.ss-input, .ss-select, .ss-textarea {
    width: 100%; min-height: 38px; padding: 8px 12px; border-radius: 9px;
    border: 1px solid var(--ss-border-strong); background: var(--ss-surface); color: var(--ss-text);
    font: inherit; transition: border-color .15s, box-shadow .15s;
}
.ss-textarea { min-height: 96px; resize: vertical; }
.ss-input:focus, .ss-select:focus, .ss-textarea:focus { outline: none; border-color: var(--ss-brand); box-shadow: 0 0 0 3px var(--ss-brand-ring); }
.ss-check { display: flex; gap: 10px; align-items: flex-start; padding: 10px 12px; border: 1px solid var(--ss-border); border-radius: 9px; cursor: pointer; }
.ss-check:hover { background: var(--ss-surface-2); }
.ss-check input { margin-top: 3px; accent-color: var(--ss-brand); }
.ss-check strong { display: block; font-size: 13px; }
.ss-check span { color: var(--ss-text-3); font-size: 12px; }
.ss-check-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.ss-form-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.ss-form-row .ss-field + .ss-field { margin-top: 0; }
.field-validation-error, .validation-summary-errors { color: var(--ss-danger); font-size: 12.5px; }
.validation-summary-errors ul { margin: 0; padding-left: 18px; }

.ss-alert { display: flex; gap: 12px; padding: 14px 16px; border-radius: var(--ss-radius); border: 1px solid; font-size: 13.5px; }
.ss-alert i { margin-top: 2px; }
.ss-alert-success { background: var(--ss-success-soft); border-color: color-mix(in srgb, var(--ss-success) 30%, transparent); color: var(--ss-success); }
.ss-alert-danger { background: var(--ss-danger-soft); border-color: color-mix(in srgb, var(--ss-danger) 30%, transparent); color: var(--ss-danger); }
.ss-alert-info { background: var(--ss-info-soft); border-color: color-mix(in srgb, var(--ss-info) 30%, transparent); color: var(--ss-info); }
.ss-alert-warning { background: var(--ss-warning-soft); border-color: color-mix(in srgb, var(--ss-warning) 30%, transparent); color: var(--ss-warning); }
.ss-alert .ss-alert-body { color: var(--ss-text); }

.ss-secret { display: flex; align-items: center; gap: 8px; padding: 10px 12px; border-radius: 9px; border: 1px dashed var(--ss-border-strong); background: var(--ss-surface-2); }
.ss-secret code { flex: 1; overflow-x: auto; white-space: nowrap; color: var(--ss-text); }

.ss-code { position: relative; background: #0d1321; color: #dbe4f3; border-radius: var(--ss-radius); padding: 14px 16px; overflow-x: auto; border: 1px solid #1d2638; }
.ss-code pre { margin: 0; white-space: pre; line-height: 1.6; }
.ss-code .ss-copy { position: absolute; top: 8px; right: 8px; background: rgba(255,255,255,.08); color: #dbe4f3 !important; border: 0; }
.ss-code .ss-copy:hover { background: rgba(255,255,255,.16); }
.ss-code .c { color: #7f8ea8; } .ss-code .k { color: #8fb0ff; } .ss-code .s { color: #9fe0b3; }

.ss-tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--ss-border); margin-bottom: 16px; overflow-x: auto; }
.ss-tabs a, .ss-tabs button { padding: 10px 12px; color: var(--ss-text-2); font-weight: 600; font-size: 13px; border: 0; background: none; border-bottom: 2px solid transparent; margin-bottom: -1px; cursor: pointer; white-space: nowrap; text-decoration: none !important; }
.ss-tabs a[aria-current="page"], .ss-tabs button[aria-selected="true"] { color: var(--ss-brand); border-bottom-color: var(--ss-brand); }
.ss-tab-count { margin-left: 6px; font-size: 11px; padding: 1px 6px; border-radius: 999px; background: var(--ss-surface-3); color: var(--ss-text-3); }

.ss-facet { display: grid; gap: 2px; }
.ss-facet a { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 6px 10px; border-radius: 7px; color: var(--ss-text-2); font-size: 13px; text-decoration: none !important; }
.ss-facet a:hover { background: var(--ss-surface-3); color: var(--ss-text); }
.ss-facet a[aria-current="true"] { background: var(--ss-brand-soft); color: var(--ss-brand); font-weight: 600; }
.ss-facet .ss-count { font-size: 11.5px; color: var(--ss-text-3); font-variant-numeric: tabular-nums; }
.ss-facet-title { font-size: 11.5px; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--ss-text-3); margin: 0 0 8px; }

.ss-cat-tile { display: flex; gap: 12px; align-items: flex-start; padding: 16px; border-radius: var(--ss-radius); border: 1px solid var(--ss-border); background: var(--ss-surface); color: var(--ss-text) !important; text-decoration: none !important; transition: border-color .15s, box-shadow .15s, transform .15s; }
.ss-cat-tile:hover { border-color: var(--ss-brand); box-shadow: var(--ss-shadow); transform: translateY(-1px); }
.ss-cat-tile strong { display: block; font-size: 13.5px; color: var(--ss-text); }
.ss-cat-tile > span:last-child > span { display: block; font-size: 12px; color: var(--ss-text-3); }

.ss-score { display: flex; align-items: center; gap: 10px; min-width: 140px; }
.ss-score-bar { flex: 1; height: 6px; border-radius: 99px; background: var(--ss-surface-3); overflow: hidden; }
.ss-score-bar > span { display: block; height: 100%; border-radius: 99px; background: var(--ss-brand); }
.ss-score-bar.hi > span { background: var(--ss-success); }
.ss-score-bar.mid > span { background: var(--ss-accent); }
.ss-score-num { font-weight: 700; font-variant-numeric: tabular-nums; min-width: 34px; text-align: right; }

.ss-reasons { margin: 6px 0 0; padding: 0; list-style: none; display: grid; gap: 2px; }
.ss-reasons li { color: var(--ss-text-2); font-size: 12.5px; display: flex; gap: 6px; }
.ss-reasons li::before { content: "✓"; color: var(--ss-success); font-weight: 700; }

.ss-empty { text-align: center; padding: 48px 20px; color: var(--ss-text-3); }
.ss-empty i { font-size: 28px; color: var(--ss-border-strong); margin-bottom: 12px; display: block; }
.ss-empty h3 { color: var(--ss-text); margin-bottom: 4px; }

.ss-steps { counter-reset: step; display: grid; gap: 18px; }
.ss-step { display: grid; grid-template-columns: 32px 1fr; gap: 14px; }
.ss-step::before { counter-increment: step; content: counter(step); width: 28px; height: 28px; border-radius: 50%; background: var(--ss-brand-soft); color: var(--ss-brand); display: grid; place-items: center; font-weight: 700; font-size: 13px; }

.ss-pagination { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 16px; border-top: 1px solid var(--ss-border); font-size: 13px; color: var(--ss-text-3); }
.ss-pagination .ss-pages { display: flex; gap: 6px; }

.ss-dl { display: grid; grid-template-columns: 200px 1fr; margin: 0; }
.ss-dl dt, .ss-dl dd { padding: 10px 0; border-bottom: 1px solid var(--ss-border); margin: 0; }
.ss-dl dt { color: var(--ss-text-3); font-size: 12.5px; font-weight: 500; }
.ss-dl dd { font-weight: 500; word-break: break-word; }

.ss-hero { position: relative; overflow: hidden; padding: 26px 28px; border-radius: var(--ss-radius-lg); color: #fff; background:
    radial-gradient(900px 300px at 100% 0%, rgba(245, 158, 11, .22), transparent 60%),
    linear-gradient(135deg, #0b1324 0%, #13265a 55%, #1d4ed8 120%); }
.ss-hero h1, .ss-hero h2 { color: #fff; }
.ss-hero p { color: #c9d4ea; }
.ss-hero .ss-search { max-width: none; margin-top: 16px; }
.ss-hero .ss-search input { height: 46px; font-size: 15px; border-color: transparent; padding-left: 42px; }
.ss-hero .ss-search > i { left: 16px; }

.ss-kbd, kbd { display: inline-flex; align-items: center; height: 20px; padding: 0 6px; border-radius: 5px; border: 1px solid var(--ss-border-strong); background: var(--ss-surface-2); color: var(--ss-text-3); font-size: 11px; font-family: var(--ss-mono); }

.ss-toast { position: fixed; bottom: 20px; right: 20px; z-index: 200; background: #0d1321; color: #fff; padding: 10px 14px; border-radius: 9px; box-shadow: var(--ss-shadow-lg); font-size: 13px; opacity: 0; transform: translateY(8px); transition: all .2s; pointer-events: none; }
.ss-toast.show { opacity: 1; transform: none; }

/* Utilities */
.ss-muted { color: var(--ss-text-3); }
.ss-small { font-size: 12.5px; }
.ss-mono { font-family: var(--ss-mono); font-size: 12.5px; }
.ss-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.ss-between { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.ss-mt-1 { margin-top: 4px; } .ss-mt-2 { margin-top: 8px; } .ss-mt-3 { margin-top: 12px; } .ss-mt-4 { margin-top: 16px; } .ss-mt-6 { margin-top: 24px; }
.ss-w-full { width: 100%; }
.ss-truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 420px; display: inline-block; vertical-align: bottom; }
.ss-inline-form { display: inline; }
.ss-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* ── Responsive ───────────────────────────────────────────────────── */
@media (max-width: 1100px) {
    .ss-grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .ss-split { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
    .ss-shell { grid-template-columns: 1fr; }
    .ss-sidebar { position: fixed; left: 0; top: 0; z-index: 50; width: var(--ss-sidebar-w); transform: translateX(-100%); transition: transform .2s; }
    .ss-shell.nav-open .ss-sidebar { transform: none; box-shadow: var(--ss-shadow-lg); }
    .ss-shell.nav-open::after { content: ""; position: fixed; inset: 0; background: rgba(0,0,0,.4); z-index: 40; }
    .ss-menu-btn { display: inline-flex; }
    .ss-split-left { grid-template-columns: 1fr; }
    .ss-grid-3 { grid-template-columns: 1fr; }
    .ss-content { padding: 20px 16px; }
    .ss-topbar { padding: 0 16px; }
    .ss-search kbd { display: none; }
}
@media (max-width: 640px) {
    .ss-grid-2, .ss-grid-4, .ss-form-row, .ss-check-grid { grid-template-columns: 1fr; }
    .ss-dl { grid-template-columns: 1fr; }
    .ss-dl dt { border-bottom: 0; padding-bottom: 0; }
    .ss-hide-sm { display: none !important; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }

/* Brand selection colour */
::selection { background: rgba(29, 78, 216, .18); color: inherit; }