:root {
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Cascadia Code", "JetBrains Mono", Menlo, Consolas, monospace;

  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-2: #f0f2f4;
  --inset: #f8f9fa;
  --border: #e3e6ea;
  --border-strong: #cfd4da;
  --text: #1b1f24;
  --text-2: #57606a;
  --text-3: #848d97;

  --accent: #2563eb;
  --accent-strong: #1d4ed8;
  --accent-soft: rgba(37, 99, 235, 0.08);
  --on-accent: #ffffff;

  --ok: #178344;
  --ok-soft: rgba(23, 131, 68, 0.1);
  --warn: #b45309;
  --warn-soft: rgba(180, 83, 9, 0.1);
  --danger: #c2323b;
  --danger-soft: rgba(194, 50, 59, 0.09);
  --info: #2563eb;
  --info-soft: rgba(37, 99, 235, 0.09);

  --shadow-1: 0 1px 2px rgba(27, 31, 36, 0.06);
  --shadow-2: 0 4px 16px rgba(27, 31, 36, 0.1);

  --radius: 10px;
  --radius-sm: 6px;
  --sidebar-w: 232px;
  --ease: cubic-bezier(0.25, 0.1, 0.25, 1);
}

[data-theme="dark"] {
  --bg: #0e1116;
  --surface: #161b22;
  --surface-2: #1c2129;
  --inset: #10141a;
  --border: #262c35;
  --border-strong: #39414d;
  --text: #e7ecf1;
  --text-2: #98a3af;
  --text-3: #6b7683;

  --accent: #4d8bf5;
  --accent-strong: #6ba1ff;
  --accent-soft: rgba(77, 139, 245, 0.12);
  --on-accent: #0b1220;

  --ok: #3fbf6f;
  --ok-soft: rgba(63, 191, 111, 0.13);
  --warn: #d9a13c;
  --warn-soft: rgba(217, 161, 60, 0.13);
  --danger: #e5605f;
  --danger-soft: rgba(229, 96, 95, 0.13);
  --info: #4d8bf5;
  --info-soft: rgba(77, 139, 245, 0.13);

  --shadow-1: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-2: 0 6px 20px rgba(0, 0, 0, 0.45);
}

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

html {
  -webkit-text-size-adjust: 100%;
}

[hidden] { display: none !important; }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  font-size: 14px;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.25s var(--ease), color 0.25s var(--ease);
}

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-3); }

.icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.app {
  display: flex;
  min-height: 100vh;
}

/* ---------- Sidebar ---------- */

.sidebar {
  width: var(--sidebar-w);
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 18px 12px 14px;
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 60;
  transition: transform 0.25s var(--ease), width 0.25s var(--ease),
    background-color 0.25s var(--ease);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 2px 8px 16px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 14px;
}

.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--accent);
  color: var(--on-accent);
  display: grid;
  place-items: center;
}

.brand-mark .icon { width: 17px; height: 17px; stroke-width: 2; }

.brand h1 {
  font-size: 0.92rem;
  font-weight: 650;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.brand .brand-sub {
  font-size: 0.68rem;
  color: var(--text-3);
  display: block;
}

.brand-text { min-width: 0; }

.sidebar-toggle {
  margin-left: auto;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 0;
  border-radius: var(--radius-sm);
  background: none;
  color: var(--text-3);
  cursor: pointer;
  flex-shrink: 0;
  transition: background-color 0.15s var(--ease), color 0.15s var(--ease);
}

.sidebar-toggle:hover { background: var(--surface-2); color: var(--text); }

/* Collapsed icon rail (desktop only; the drawer takes over below 1024px) */
@media (min-width: 1025px) {
  [data-sidebar="rail"] { --sidebar-w: 64px; }

  [data-sidebar="rail"] .brand {
    flex-direction: column;
    gap: 10px;
    padding-left: 0;
    padding-right: 0;
  }

  [data-sidebar="rail"] .brand-text { display: none; }
  [data-sidebar="rail"] .sidebar-toggle { margin-left: 0; }
  [data-sidebar="rail"] .nav-label { display: none; }

  [data-sidebar="rail"] .nav-item {
    justify-content: center;
    padding-left: 0;
    padding-right: 0;
  }

  [data-sidebar="rail"] .nav-item span { display: none; }
  [data-sidebar="rail"] .service-status { display: none; }
  [data-sidebar="rail"] .theme-toggle span { display: none; }
}

.nav-group { margin-bottom: 16px; }

.nav-label {
  font-size: 0.66rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-3);
  padding: 0 10px;
  margin-bottom: 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 7px 10px;
  border: 0;
  border-radius: var(--radius-sm);
  background: none;
  color: var(--text-2);
  font-family: inherit;
  font-size: 0.84rem;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  transition: background-color 0.15s var(--ease), color 0.15s var(--ease);
}

.nav-item + .nav-item { margin-top: 1px; }

.nav-item:hover { background: var(--surface-2); color: var(--text); }

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

.sidebar-foot {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.service-status {
  padding: 10px 12px;
  background: var(--inset);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.status-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.74rem;
  color: var(--text-2);
}

.status-value {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-3);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--border-strong);
  transition: background-color 0.2s var(--ease);
}

.status-dot.online { background: var(--ok); }
.status-dot.offline { background: var(--danger); }

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: none;
  color: var(--text-2);
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.15s var(--ease), color 0.15s var(--ease);
}

.theme-toggle:hover { background: var(--surface-2); color: var(--text); }

.theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

/* ---------- Topbar (mobile) ---------- */

.topbar {
  display: none;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}

.menu-btn {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: none;
  color: var(--text-2);
  cursor: pointer;
}

.topbar-title {
  font-size: 0.9rem;
  font-weight: 600;
}

.scrim {
  position: fixed;
  inset: 0;
  background: rgba(15, 18, 22, 0.45);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s var(--ease);
  z-index: 55;
}

body.nav-open .scrim { opacity: 1; pointer-events: auto; }

/* ---------- Main ---------- */

.main {
  flex: 1;
  margin-left: var(--sidebar-w);
  padding: 28px 32px 48px;
  min-width: 0;
  transition: margin-left 0.25s var(--ease);
}

.page { display: none; }

.page.active {
  display: block;
  animation: page-in 0.22s var(--ease);
}

@keyframes page-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

.page-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
}

.page-head h2 {
  font-size: 1.3rem;
  font-weight: 650;
  letter-spacing: -0.015em;
}

.page-head .lede {
  font-size: 0.82rem;
  color: var(--text-2);
  margin-top: 3px;
}

/* ---------- Panels ---------- */

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-1);
  transition: background-color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.panel-head h3 {
  font-size: 0.88rem;
  font-weight: 600;
}

.panel-head .meta {
  font-size: 0.74rem;
  color: var(--text-3);
}

/* ---------- Metric cards ---------- */

.metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.metric {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  box-shadow: var(--shadow-1);
  display: flex;
  align-items: center;
  gap: 14px;
  transition: border-color 0.15s var(--ease);
}

.metric:hover { border-color: var(--border-strong); }

.metric-icon {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  display: grid;
  place-items: center;
  background: var(--accent-soft);
  color: var(--accent);
}

.metric-icon.ok { background: var(--ok-soft); color: var(--ok); }
.metric-icon.warn { background: var(--warn-soft); color: var(--warn); }
.metric-icon.danger { background: var(--danger-soft); color: var(--danger); }

.metric-value {
  font-size: 1.45rem;
  font-weight: 650;
  letter-spacing: -0.02em;
  line-height: 1.15;
  font-variant-numeric: tabular-nums;
}

.metric-label {
  font-size: 0.74rem;
  color: var(--text-2);
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 7px 14px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 550;
  cursor: pointer;
  transition: background-color 0.15s var(--ease), border-color 0.15s var(--ease),
    color 0.15s var(--ease), box-shadow 0.15s var(--ease);
  user-select: none;
}

.btn:disabled { opacity: 0.55; cursor: default; }

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

.btn-primary:not(:disabled):hover {
  background: var(--accent-strong);
  box-shadow: var(--shadow-1);
}

.btn-secondary {
  background: var(--surface);
  border-color: var(--border);
  color: var(--text-2);
}

.btn-secondary:not(:disabled):hover {
  border-color: var(--border-strong);
  color: var(--text);
}

.btn .icon { width: 14px; height: 14px; }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

/* ---------- Inputs ---------- */

.field-inline {
  display: flex;
  align-items: center;
  gap: 8px;
}

.field-inline label {
  font-size: 0.74rem;
  color: var(--text-3);
}

.text-input {
  background: var(--inset);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  transition: border-color 0.15s var(--ease);
}

.text-input:focus {
  outline: none;
  border-color: var(--accent);
}

.code-editor {
  width: 100%;
  min-height: 190px;
  padding: 14px;
  background: var(--inset);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.6;
  resize: vertical;
  transition: border-color 0.15s var(--ease);
  tab-size: 2;
}

.code-editor:focus {
  outline: none;
  border-color: var(--accent);
}

.code-editor::placeholder { color: var(--text-3); }

/* ---------- Score gauge ---------- */

.score-panel {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
}

.gauge {
  width: 148px;
  height: 148px;
  position: relative;
  flex-shrink: 0;
}

.gauge svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.gauge .track {
  fill: none;
  stroke: var(--surface-2);
  stroke-width: 9;
}

.gauge .fill {
  fill: none;
  stroke: var(--accent);
  stroke-width: 9;
  stroke-linecap: round;
  transition: stroke-dashoffset 0.9s var(--ease), stroke 0.3s var(--ease);
}

.gauge-text {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  text-align: center;
}

.gauge-value {
  font-size: 2rem;
  font-weight: 660;
  letter-spacing: -0.02em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.gauge-label {
  font-size: 0.64rem;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 5px;
}

.score-summary { flex: 1; min-width: 200px; }

.score-summary h3 { font-size: 0.92rem; font-weight: 600; margin-bottom: 4px; }

.score-summary p { font-size: 0.8rem; color: var(--text-2); max-width: 46ch; }

.severity-tally {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 12px;
}

/* ---------- Badges ---------- */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.66rem;
  font-weight: 650;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.badge.critical { background: var(--danger-soft); color: var(--danger); }
.badge.high { background: var(--warn-soft); color: var(--warn); }
.badge.medium { background: var(--info-soft); color: var(--info); }
.badge.low { background: var(--ok-soft); color: var(--ok); }
.badge.neutral { background: var(--surface-2); color: var(--text-2); }

/* ---------- Findings ---------- */

.finding-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.finding {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 13px 14px;
  background: var(--inset);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color 0.15s var(--ease);
}

.finding:hover { border-color: var(--border-strong); }

.finding-body { min-width: 0; }

.finding-body h4 {
  font-size: 0.84rem;
  font-weight: 600;
  margin-bottom: 2px;
}

.finding-body p {
  font-size: 0.78rem;
  color: var(--text-2);
}

.finding-resource {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  margin-top: 5px;
  word-break: break-all;
}

.finding-fix {
  display: flex;
  gap: 6px;
  align-items: baseline;
  font-size: 0.76rem;
  color: var(--ok);
  margin-top: 6px;
}

.finding-when {
  font-size: 0.7rem;
  color: var(--text-3);
  margin-top: 5px;
}

/* ---------- Code compare ---------- */

.code-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.code-pane {
  background: var(--inset);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  min-width: 0;
}

.code-pane-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-3);
}

.code-block {
  padding: 13px 14px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  line-height: 1.65;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 440px;
  overflow-y: auto;
  color: var(--text-2);
}

/* ---------- Pipeline steps ---------- */

.steps { display: flex; flex-direction: column; }

.step {
  display: flex;
  gap: 12px;
  position: relative;
  padding-bottom: 18px;
}

.step:last-child { padding-bottom: 0; }

.step::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 20px;
  bottom: 2px;
  width: 2px;
  background: var(--border);
}

.step:last-child::before { display: none; }

.step-dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid var(--border-strong);
  background: var(--surface);
  flex-shrink: 0;
  margin-top: 1px;
  display: grid;
  place-items: center;
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.step-dot .icon {
  width: 10px;
  height: 10px;
  stroke-width: 3;
  color: var(--on-accent);
  opacity: 0;
  transition: opacity 0.2s var(--ease);
}

.step.running .step-dot {
  border-color: var(--accent);
  animation: pulse 1.4s var(--ease) infinite;
}

.step.complete .step-dot {
  border-color: var(--ok);
  background: var(--ok);
}

.step.complete .step-dot .icon { opacity: 1; }

.step.error .step-dot {
  border-color: var(--danger);
  background: var(--danger);
}

.step.error .step-dot .icon { opacity: 1; }

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 var(--accent-soft); }
  50% { box-shadow: 0 0 0 6px var(--accent-soft); }
}

.step-msg { font-size: 0.82rem; color: var(--text); }
.step-note { font-size: 0.72rem; color: var(--text-3); margin-top: 1px; }

/* ---------- Upload zone ---------- */

.dropzone {
  border: 1.5px dashed var(--border-strong);
  border-radius: var(--radius);
  padding: 34px 20px;
  text-align: center;
  cursor: pointer;
  position: relative;
  color: var(--text-2);
  transition: border-color 0.15s var(--ease), background-color 0.15s var(--ease);
}

.dropzone:hover, .dropzone.dragover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.dropzone .icon {
  width: 26px;
  height: 26px;
  margin: 0 auto 10px;
  display: block;
  color: var(--text-3);
}

.dropzone-title { font-size: 0.86rem; font-weight: 550; color: var(--text); }
.dropzone-sub { font-size: 0.74rem; color: var(--text-3); margin-top: 2px; }

.dropzone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.preview {
  margin-top: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.preview img {
  max-height: 200px;
  max-width: 100%;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  object-fit: contain;
}

/* ---------- Search ---------- */

.search-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px 6px 14px;
  background: var(--inset);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color 0.15s var(--ease);
}

.search-bar:focus-within { border-color: var(--accent); }

.search-bar > .icon { color: var(--text-3); }

.search-bar input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--text);
  font-family: inherit;
  font-size: 0.84rem;
  min-width: 0;
}

.search-bar input::placeholder { color: var(--text-3); }

.result-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 14px;
}

.result {
  padding: 13px 14px;
  background: var(--inset);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color 0.15s var(--ease);
}

.result:hover { border-color: var(--border-strong); }

.result-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 4px;
}

.result-title { font-size: 0.82rem; font-weight: 600; }

.result p { font-size: 0.78rem; color: var(--text-2); }

.result-meta {
  font-size: 0.7rem;
  color: var(--text-3);
  font-family: var(--font-mono);
  margin-top: 6px;
}

/* ---------- Activity ---------- */

.activity-list { display: flex; flex-direction: column; }

.activity {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 2px;
}

.activity + .activity { border-top: 1px solid var(--border); }

.activity-icon {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  background: var(--surface-2);
  color: var(--text-2);
}

.activity-icon .icon { width: 14px; height: 14px; }

.activity-body { min-width: 0; flex: 1; }

.activity-title {
  font-size: 0.8rem;
  font-weight: 550;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.activity-sub { font-size: 0.72rem; color: var(--text-3); }

.activity-time {
  font-size: 0.7rem;
  color: var(--text-3);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

/* ---------- Empty state / loading ---------- */

.empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-3);
}

.empty .icon {
  width: 28px;
  height: 28px;
  margin: 0 auto 10px;
  display: block;
  color: var(--border-strong);
}

.empty h3 {
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-2);
  margin-bottom: 4px;
}

.empty p { font-size: 0.78rem; max-width: 380px; margin: 0 auto; }

.loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 32px;
  color: var(--text-3);
  font-size: 0.8rem;
}

.spinner {
  width: 22px;
  height: 22px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.spinner.sm {
  width: 13px;
  height: 13px;
  border-width: 2px;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Toasts ---------- */

.toasts {
  position: fixed;
  top: 16px;
  right: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 100;
  max-width: min(360px, calc(100vw - 32px));
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 11px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-2);
  font-size: 0.8rem;
  color: var(--text);
  animation: toast-in 0.25s var(--ease);
}

.toast.leaving {
  animation: toast-out 0.2s var(--ease) forwards;
}

@keyframes toast-in {
  from { opacity: 0; transform: translateX(12px); }
  to { opacity: 1; transform: none; }
}

@keyframes toast-out {
  to { opacity: 0; transform: translateX(12px); }
}

.toast .icon { margin-top: 2px; }
.toast.ok .icon { color: var(--ok); }
.toast.error .icon { color: var(--danger); }
.toast.info .icon { color: var(--accent); }

/* ---------- Responsive ---------- */

@media (max-width: 1024px) {
  .topbar { display: flex; }
  .sidebar { transform: translateX(-100%); box-shadow: none; }
  body.nav-open .sidebar { transform: none; box-shadow: var(--shadow-2); }
  .main { margin-left: 0; padding: 20px 16px 40px; }
  .code-compare { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .metrics { grid-template-columns: 1fr 1fr; }
  .page-head { flex-direction: column; }
  .score-panel { justify-content: center; text-align: center; }
  .score-summary p { margin: 0 auto; }
  .severity-tally { justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}