/* ===== Design tokens ===== */
:root, [data-theme="light"] {
  --color-bg: #f4f6f9;
  --color-surface: #ffffff;
  --color-surface-2: #f9fafc;
  --color-surface-offset: #eef1f6;
  --color-surface-offset-2: #e6eaf1;
  --color-divider: #e2e6ee;
  --color-border: #d3d9e3;

  --color-text: #16202e;
  --color-text-muted: #5b6577;
  --color-text-faint: #9aa4b4;
  --color-text-inverse: #f7f9fc;

  --color-primary: #0f5da3;
  --color-primary-hover: #0b4a83;
  --color-primary-active: #083a68;
  --color-primary-highlight: #d5e6f5;

  --color-warning: #b3651a;
  --color-warning-highlight: #f1ddc4;
  --color-error: #ac2c4f;
  --color-error-highlight: #f0d2dc;
  --color-success: #2f8f4e;
  --color-success-highlight: #d3ecda;

  --line-t10: #0f5da3;
  --line-b812: #e07a1f;
  --line-z309: #2f8f4e;
  --line-z311: #7a4fb0;
  --line-z405: #c23b5a;

  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.25rem;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px rgba(20, 30, 50, 0.06);
  --shadow-md: 0 6px 20px rgba(20, 30, 50, 0.09);
  --shadow-lg: 0 16px 40px rgba(20, 30, 50, 0.14);

  --transition-interactive: 160ms cubic-bezier(0.16, 1, 0.3, 1);

  --font-display: 'Space Grotesk', 'Helvetica Neue', sans-serif;
  --font-body: 'IBM Plex Sans', 'Helvetica Neue', sans-serif;
  --font-mono: 'IBM Plex Mono', 'SFMono-Regular', Menlo, monospace;

  --text-xs: clamp(0.75rem, 0.72rem + 0.15vw, 0.8125rem);
  --text-sm: clamp(0.875rem, 0.83rem + 0.2vw, 0.9375rem);
  --text-base: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
  --text-lg: clamp(1.125rem, 1.02rem + 0.5vw, 1.375rem);
  --text-xl: clamp(1.4rem, 1.15rem + 1.1vw, 2rem);
  --text-2xl: clamp(1.9rem, 1.3rem + 2.2vw, 3.2rem);
  --text-3xl: clamp(2.4rem, 1.2rem + 3.6vw, 4.5rem);

  --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem; --space-4: 1rem;
  --space-5: 1.25rem; --space-6: 1.5rem; --space-8: 2rem; --space-10: 2.5rem;
  --space-12: 3rem; --space-16: 4rem; --space-20: 5rem; --space-24: 6rem; --space-32: 8rem;

  --content-default: 1180px;
}

[data-theme="dark"] {
  --color-bg: #0f1520;
  --color-surface: #151d2b;
  --color-surface-2: #182131;
  --color-surface-offset: #1b2434;
  --color-surface-offset-2: #202a3c;
  --color-divider: #263048;
  --color-border: #2c3750;

  --color-text: #dde3ee;
  --color-text-muted: #8e98ac;
  --color-text-faint: #616d84;
  --color-text-inverse: #131a26;

  --color-primary: #4f9bdb;
  --color-primary-hover: #75b3e6;
  --color-primary-active: #9bc9ee;
  --color-primary-highlight: #1e3550;

  --color-warning: #e0a15b;
  --color-warning-highlight: #3d3120;
  --color-error: #e07793;
  --color-error-highlight: #3a2530;
  --color-success: #6fc98c;
  --color-success-highlight: #1f3626;

  --line-t10: #5b9fe0;
  --line-b812: #f0a05a;
  --line-z309: #6fc98c;
  --line-z311: #b48ce3;
  --line-z405: #e58aa2;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.45);
}

/* ===== Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: none; scroll-behavior: smooth; scroll-padding-top: 84px; -webkit-tap-highlight-color: transparent; }
body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  transition: background var(--transition-interactive), color var(--transition-interactive);
  overflow-x: hidden;
  padding-bottom: env(safe-area-inset-bottom);
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}
img, svg, canvas { display: block; max-width: 100%; }
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.12; text-wrap: balance; letter-spacing: -0.01em; }
p, li { text-wrap: pretty; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; border-radius: var(--radius-sm); }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: none; }
table { border-collapse: collapse; width: 100%; }
.container { max-width: var(--content-default); margin-inline: auto; padding-inline: var(--space-6); }
@media (max-width: 420px) { .container { padding-inline: var(--space-4); } }
.scroll-hint { display: none; }
@media (max-width: 640px) {
  .scroll-hint { display: flex; align-items: center; gap: var(--space-2); font-size: var(--text-xs); color: var(--color-text-faint); margin-bottom: var(--space-3); }
  .scroll-hint svg { width: 14px; height: 14px; flex-shrink: 0; }
}
.mono { font-family: var(--font-mono); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

/* ===== Header ===== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-divider);
  padding-top: env(safe-area-inset-top);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); padding-block: var(--space-3); }
.brand { display: flex; align-items: center; gap: var(--space-2); font-family: var(--font-display); font-weight: 600; font-size: var(--text-base); }
.brand svg { width: 28px; height: 28px; color: var(--color-primary); flex-shrink: 0; }
.nav-links { display: flex; gap: var(--space-5); list-style: none; flex-wrap: wrap; }
.nav-links a { font-size: var(--text-sm); font-weight: 500; color: var(--color-text-muted); text-decoration: none; transition: color var(--transition-interactive); }
.header-actions { display: flex; align-items: center; gap: var(--space-2); flex-shrink: 0; }
.theme-toggle, .nav-toggle { display: flex; align-items: center; justify-content: center; width: 44px; height: 44px; border-radius: var(--radius-full); background: var(--color-surface-offset); border: 1px solid var(--color-border); color: var(--color-text); flex-shrink: 0; transition: background var(--transition-interactive), transform var(--transition-interactive); }
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle:active, .nav-toggle:active { transform: scale(0.92); }
.nav-toggle { display: none; }
.nav-toggle svg { width: 20px; height: 20px; }
.nav-toggle .icon-close { display: none; }
.nav-toggle[aria-expanded="true"] .icon-menu { display: none; }
.nav-toggle[aria-expanded="true"] .icon-close { display: block; }
.mobile-nav { display: none; }
@media (hover: hover) and (pointer: fine) {
  .nav-links a:hover { color: var(--color-primary); }
  .theme-toggle:hover, .nav-toggle:hover { background: var(--color-surface-offset-2); }
}
@media (max-width: 780px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .mobile-nav {
    display: grid; grid-template-rows: 0fr; transition: grid-template-rows 240ms cubic-bezier(0.16, 1, 0.3, 1);
    border-top: 0 solid var(--color-divider); background: var(--color-bg);
  }
  .mobile-nav.is-open { grid-template-rows: 1fr; border-top-width: 1px; }
  .mobile-nav > ul { min-height: 0; overflow: hidden; list-style: none; padding-inline: var(--space-6); }
  .mobile-nav li { border-bottom: 1px solid var(--color-divider); }
  .mobile-nav li:last-child { border-bottom: none; }
  .mobile-nav a { display: flex; align-items: center; min-height: 52px; font-size: var(--text-base); font-weight: 500; color: var(--color-text); text-decoration: none; }
  .mobile-nav a:active { color: var(--color-primary); }
}

/* ===== Hero ===== */
.hero { padding-block: clamp(var(--space-12), 8vw, var(--space-24)) clamp(var(--space-8), 5vw, var(--space-16)); }
.hero-eyebrow { display: inline-flex; align-items: center; gap: var(--space-2); font-size: var(--text-xs); font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-primary); background: var(--color-primary-highlight); padding: var(--space-2) var(--space-3); border-radius: var(--radius-full); margin-bottom: var(--space-5); }
.hero h1 { font-size: var(--text-2xl); max-width: 18ch; margin-bottom: var(--space-5); }
.hero p.lead { font-size: var(--text-lg); color: var(--color-text-muted); max-width: 62ch; margin-bottom: var(--space-8); }
.hero-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: var(--space-4); max-width: 900px; }
.stat-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-5); box-shadow: var(--shadow-sm); }
.stat-card .num { font-family: var(--font-display); font-size: var(--text-xl); color: var(--color-primary); }
.stat-card .label { font-size: var(--text-xs); color: var(--color-text-muted); margin-top: var(--space-1); }

.alert-banner { display: flex; gap: var(--space-3); align-items: flex-start; background: var(--color-warning-highlight); border: 1px solid color-mix(in oklab, var(--color-warning) 40%, transparent); border-radius: var(--radius-lg); padding: var(--space-5); margin-top: var(--space-8); max-width: 900px; }
.alert-banner svg { width: 22px; height: 22px; flex-shrink: 0; color: var(--color-warning); margin-top: 2px; }
.alert-banner strong { display: block; margin-bottom: var(--space-1); font-size: var(--text-sm); }
.alert-banner p { font-size: var(--text-sm); color: var(--color-text-muted); }

/* ===== Sections ===== */
section { padding-block: clamp(var(--space-12), 6vw, var(--space-20)); }
section + section { border-top: 1px solid var(--color-divider); }
.section-head { margin-bottom: var(--space-8); max-width: 70ch; }
.section-kicker { font-size: var(--text-xs); font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-primary); margin-bottom: var(--space-2); }
.section-head h2 { font-size: var(--text-xl); margin-bottom: var(--space-3); }
.section-head p { color: var(--color-text-muted); font-size: var(--text-base); }

/* ===== Map ===== */
.map-wrap { display: grid; grid-template-columns: 1fr 300px; gap: var(--space-5); align-items: stretch; }
#map { width: 100%; height: 560px; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--color-border); box-shadow: var(--shadow-md); }
.map-legend { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-5); display: flex; flex-direction: column; gap: var(--space-3); box-shadow: var(--shadow-sm); }
.map-legend h3 { font-size: var(--text-sm); text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-text-muted); margin-bottom: var(--space-1); }
.legend-item { display: flex; align-items: center; gap: var(--space-3); min-height: 44px; padding: var(--space-2) var(--space-3); border-radius: var(--radius-md); cursor: pointer; border: 1px solid transparent; transition: background var(--transition-interactive); }
.legend-item:active { background: var(--color-surface-offset-2); }
.legend-item input { accent-color: var(--color-primary); width: 18px; height: 18px; flex-shrink: 0; }
.legend-swatch { width: 14px; height: 14px; border-radius: var(--radius-full); flex-shrink: 0; }
.legend-item .li-text { display: flex; flex-direction: column; }
.legend-item .li-code { font-weight: 600; font-size: var(--text-sm); }
.legend-item .li-gestore { font-size: var(--text-xs); color: var(--color-text-faint); }
.map-hint { font-size: var(--text-xs); color: var(--color-text-faint); margin-top: var(--space-2); }
@media (max-width: 900px) { .map-wrap { grid-template-columns: 1fr; } #map { height: 420px; } }
@media (max-width: 640px) { .calc-controls .swap-btn { align-self: center; margin-inline: auto; transform: rotate(90deg); } }
@media (hover: hover) and (pointer: fine) {
  .calc-controls .swap-btn:hover { transform: rotate(270deg); }
  .legend-item:hover { background: var(--color-surface-offset); }
}

.maplibregl-popup-content { background: var(--color-surface) !important; color: var(--color-text) !important; border-radius: var(--radius-md) !important; box-shadow: var(--shadow-md) !important; font-family: var(--font-body); padding: var(--space-3) var(--space-4) !important; }
.popup-title { font-weight: 600; font-size: var(--text-sm); margin-bottom: var(--space-1); }
.popup-sub { font-size: var(--text-xs); color: var(--color-text-muted); }

/* ===== Lines table ===== */
.lines-grid { display: flex; flex-direction: column; gap: var(--space-4); }
.line-card { display: grid; grid-template-columns: 6px 1fr; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); }
.line-card .bar { background: var(--line-color, var(--color-primary)); }
.line-card .body { padding: var(--space-5) var(--space-6); display: flex; flex-direction: column; gap: var(--space-2); }
.line-card .top-row { display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap; }
.line-code { font-family: var(--font-mono); font-weight: 700; font-size: var(--text-base); padding: var(--space-1) var(--space-3); border-radius: var(--radius-sm); color: #fff; background: var(--line-color, var(--color-primary)); }
.line-gestore { font-size: var(--text-xs); color: var(--color-text-faint); text-transform: uppercase; letter-spacing: 0.04em; }
.line-name { font-weight: 600; font-size: var(--text-base); }
.line-route { font-size: var(--text-sm); color: var(--color-text-muted); }
.line-meta { display: flex; flex-wrap: wrap; gap: var(--space-4); margin-top: var(--space-2); font-size: var(--text-xs); }
.line-meta .tag { display: flex; align-items: center; gap: var(--space-1); color: var(--color-text-muted); }
.line-meta svg { width: 14px; height: 14px; }
.line-note { font-size: var(--text-sm); color: var(--color-text-muted); border-top: 1px dashed var(--color-divider); padding-top: var(--space-3); margin-top: var(--space-1); }

/* ===== Calculator ===== */
.calc-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-6); box-shadow: var(--shadow-md); }
.calc-controls { display: flex; flex-wrap: wrap; gap: var(--space-4); align-items: end; margin-bottom: var(--space-6); }
.field { display: flex; flex-direction: column; gap: var(--space-2); min-width: 200px; }
.field label { font-size: var(--text-xs); font-weight: 600; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.04em; }
.field select, .field input[type=time] {
  font: inherit; font-size: var(--text-sm); padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md); border: 1px solid var(--color-border); background: var(--color-surface-2);
  color: var(--color-text); min-width: 220px; min-height: 44px;
}
.field select:focus, .field input:focus { border-color: var(--color-primary); }
@media (max-width: 640px) {
  .field { min-width: 0; }
  .field select, .field input[type=time] { font-size: 16px; min-width: 0; width: 100%; }
}
.calc-result { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: var(--space-4); }
.result-card { border-radius: var(--radius-lg); padding: var(--space-5); border: 1px solid var(--color-border); background: var(--color-surface-2); }
.result-card .dest { font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-text-muted); margin-bottom: var(--space-2); }
.result-card .time { font-family: var(--font-mono); font-size: var(--text-xl); font-weight: 700; }
.result-card .wait { display: inline-flex; align-items: center; gap: var(--space-1); font-size: var(--text-xs); font-weight: 600; padding: var(--space-1) var(--space-3); border-radius: var(--radius-full); margin-top: var(--space-3); }
.wait.good { background: var(--color-success-highlight); color: var(--color-success); }
.wait.ok { background: var(--color-warning-highlight); color: var(--color-warning); }
.wait.bad { background: var(--color-error-highlight); color: var(--color-error); }

/* ===== Route finder (Trova il bus giusto) ===== */
.swap-btn { display: flex; align-items: center; justify-content: center; width: 44px; height: 44px; border-radius: var(--radius-full); border: 1px solid var(--color-border); background: var(--color-surface-2); color: var(--color-text-muted); flex-shrink: 0; transition: background var(--transition-interactive), color var(--transition-interactive), transform var(--transition-interactive); }
.swap-btn:active { background: var(--color-primary-highlight); color: var(--color-primary); }
.swap-btn svg { width: 18px; height: 18px; }
@media (hover: hover) and (pointer: fine) {
  .swap-btn:hover { background: var(--color-primary-highlight); color: var(--color-primary); transform: rotate(180deg); }
}
.result-card.wide { grid-column: 1 / -1; }
.result-card.alt { border-style: dashed; background: var(--color-surface); }
.line-chip { display: inline-flex; align-items: center; font-family: var(--font-mono); font-weight: 700; font-size: var(--text-sm); padding: var(--space-1) var(--space-3); border-radius: var(--radius-sm); color: #fff; background: var(--chip-color, var(--color-primary)); margin: 0 var(--space-1) var(--space-1) 0; }
.route-lines { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-1); margin: var(--space-2) 0; }
.route-lines .arrow { color: var(--color-text-faint); margin: 0 var(--space-2); font-weight: 600; }
.route-freq { font-size: var(--text-sm); color: var(--color-text-muted); }
.route-note { font-size: var(--text-xs); color: var(--color-text-faint); margin-top: var(--space-2); border-top: 1px dashed var(--color-divider); padding-top: var(--space-2); }
.tag.warn { display: inline-flex; align-items: center; font-size: var(--text-xs); font-weight: 600; color: var(--color-warning); background: var(--color-warning-highlight); padding: 2px var(--space-2); border-radius: var(--radius-full); margin-left: var(--space-2); }

/* ===== Matrice combinazioni ===== */
.matrix-head { margin-top: var(--space-10); }
.matrix-table { min-width: 780px; }
.matrix-table th, .matrix-table td { text-align: center; white-space: nowrap; }
.matrix-table thead th:first-child { background: var(--color-surface); }
.matrix-table tbody th { text-align: left; font-size: var(--text-sm); font-weight: 600; color: var(--color-text); background: var(--color-surface-offset); position: sticky; left: 0; }
.matrix-table .cell-diag { color: var(--color-text-faint); background: var(--color-surface-offset); }
.matrix-table .cell-change { font-size: var(--text-xs); color: var(--color-text-muted); font-style: italic; }
.matrix-table .mx-star { color: var(--color-warning); font-weight: 700; margin-left: 2px; }
.matrix-table .line-chip { font-size: var(--text-xs); padding: 2px var(--space-2); margin: 1px; }

/* ===== Coincidenze table ===== */
.tabs { display: flex; gap: var(--space-2); margin-bottom: var(--space-5); flex-wrap: wrap; }
.tab-btn { min-height: 44px; padding: var(--space-2) var(--space-5); border-radius: var(--radius-full); border: 1px solid var(--color-border); background: var(--color-surface); font-size: var(--text-sm); font-weight: 600; color: var(--color-text-muted); transition: background var(--transition-interactive), color var(--transition-interactive); }
.tab-btn.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.tab-btn:active { transform: scale(0.97); }
.table-wrap {
  overflow-x: auto; -webkit-overflow-scrolling: touch; border: 1px solid var(--color-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm);
  background-color: var(--color-surface);
  background-image:
    linear-gradient(to right, var(--color-surface) 30%, transparent),
    linear-gradient(to right, transparent, var(--color-surface) 70%),
    linear-gradient(to right, color-mix(in oklab, var(--color-text) 18%, transparent), transparent),
    linear-gradient(to left, color-mix(in oklab, var(--color-text) 18%, transparent), transparent);
  background-position: left center, right center, left center, right center;
  background-repeat: no-repeat;
  background-size: 24px 100%, 24px 100%, 10px 100%, 10px 100%;
  background-attachment: local, local, scroll, scroll;
}
.coinc-table { min-width: 640px; }
.coinc-table th { text-align: left; font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.04em; color: var(--color-text-muted); padding: var(--space-3) var(--space-4); background: var(--color-surface-offset); border-bottom: 1px solid var(--color-border); position: sticky; top: 0; }
.coinc-table td { padding: var(--space-3) var(--space-4); font-size: var(--text-sm); border-bottom: 1px solid var(--color-divider); }
.coinc-table tr:last-child td { border-bottom: none; }
.coinc-table td.mono, .coinc-table .cell-time { font-family: var(--font-mono); }
.badge { display: inline-flex; align-items: center; padding: 2px var(--space-2); border-radius: var(--radius-sm); font-size: var(--text-xs); font-weight: 600; }
.badge.good { background: var(--color-success-highlight); color: var(--color-success); }
.badge.ok { background: var(--color-warning-highlight); color: var(--color-warning); }
.badge.bad { background: var(--color-error-highlight); color: var(--color-error); }

/* ===== Guide ===== */
.guide-steps { display: flex; flex-direction: column; gap: var(--space-5); counter-reset: step; }
.guide-step { display: grid; grid-template-columns: 44px 1fr; gap: var(--space-4); }
.guide-step .step-num { width: 44px; height: 44px; border-radius: var(--radius-full); background: var(--color-primary-highlight); color: var(--color-primary); display: flex; align-items: center; justify-content: center; font-family: var(--font-display); font-weight: 700; font-size: var(--text-base); }
.guide-step h3 { font-size: var(--text-base); margin-bottom: var(--space-1); }
.guide-step p { font-size: var(--text-sm); color: var(--color-text-muted); }

.tips-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: var(--space-4); margin-top: var(--space-8); }
.tip-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-5); }
.tip-card svg { width: 22px; height: 22px; color: var(--color-primary); margin-bottom: var(--space-3); }
.tip-card h4 { font-size: var(--text-sm); margin-bottom: var(--space-2); }
.tip-card p { font-size: var(--text-sm); color: var(--color-text-muted); }

/* ===== Critical routes ===== */
.critical-grid { display: flex; flex-direction: column; gap: var(--space-4); }
.critical-card { display: flex; gap: var(--space-4); background: var(--color-surface); border: 1px solid var(--color-border); border-left: 4px solid var(--color-error); border-radius: var(--radius-lg); padding: var(--space-5); }
.critical-card .icon { width: 38px; height: 38px; border-radius: var(--radius-full); background: var(--color-error-highlight); color: var(--color-error); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.critical-card .icon svg { width: 18px; height: 18px; }
.critical-card h4 { font-size: var(--text-base); margin-bottom: var(--space-2); }
.critical-card p { font-size: var(--text-sm); color: var(--color-text-muted); }
.critical-card .route-badge { font-family: var(--font-mono); font-size: var(--text-xs); background: var(--color-surface-offset); padding: 2px var(--space-2); border-radius: var(--radius-sm); margin-right: var(--space-2); }

/* ===== Sources ===== */
.sources-list { display: flex; flex-direction: column; gap: var(--space-3); }
.source-item { display: flex; justify-content: space-between; gap: var(--space-4); padding: var(--space-4); border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-surface); font-size: var(--text-sm); flex-wrap: wrap; }
.source-item a { color: var(--color-primary); text-decoration: none; word-break: break-all; }
.source-item a:hover { text-decoration: underline; }
.source-item .op { color: var(--color-text-faint); font-size: var(--text-xs); }

footer { padding-block: var(--space-10); text-align: center; color: var(--color-text-faint); font-size: var(--text-xs); }

/* Rimando al progetto gemello (edu.privix.org) */
.footer-twin { margin-top: var(--space-4); }
.footer-twin a { color: var(--color-primary); font-weight: 600; }