/* ============================================================
   Tirreno Bus — Design System condiviso
   ============================================================ */
/* V05-bis: fallback metric-matched (fontTools vs Arial/Georgia di sistema):
   con fonts.css async il primo paint usa queste metriche → swap senza CLS. */
@font-face{font-family:'DM Sans Fallback';src:local('Arial');
  size-adjust:103.53%;ascent-override:95.82%;descent-override:29.94%;line-gap-override:0%}
@font-face{font-family:'DM Serif Display Fallback';src:local('Georgia');
  size-adjust:100.47%;ascent-override:103.11%;descent-override:33.34%;line-gap-override:0%}
:root{
  --tb-sea:#0a4f6e;--tb-sea-700:#08405a;--tb-sea-light:#1a7fa0;--tb-sea-pale:#e8f4f8;
  --tb-sand:#f5efe6;--tb-sand-dark:#d4b896;
  --tb-accent:#e8622a;--tb-accent-pale:#fdf0eb;
  --tb-green:#2d7a4f;--tb-green-pale:#e8f5ee;
  --tb-warn:#b26a00;--tb-warn-pale:#fff4e0;--tb-warn-border:#e0a85a;
  --tb-text:#1a1a2e;--tb-muted:#5a6472;--tb-white:#ffffff;--tb-border:rgba(10,79,110,.15);
  --tb-font:'DM Sans','DM Sans Fallback',system-ui,-apple-system,'Segoe UI',sans-serif;
  --tb-serif:'DM Serif Display','DM Serif Display Fallback',Georgia,serif;
  --tb-radius:12px;--tb-radius-sm:8px;
  --tb-shadow-sm:0 1px 3px rgba(10,79,110,.08);--tb-shadow:0 4px 24px rgba(10,79,110,.12);
  --tb-header-h:132px;
  --sea:var(--tb-sea);--sea-light:var(--tb-sea-light);--sea-pale:var(--tb-sea-pale);
  --sand:var(--tb-sand);--sand-dark:var(--tb-sand-dark);--text:var(--tb-text);
  --text-muted:var(--tb-muted);--white:var(--tb-white);--accent:var(--tb-accent);
  --accent-light:var(--tb-accent-pale);--green:var(--tb-green);--green-light:var(--tb-green-pale);
  --muted:var(--tb-muted);--border:var(--tb-border);--shadow:var(--tb-shadow);--radius:var(--tb-radius);
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{font-family:var(--tb-font);color:var(--tb-text);background:var(--tb-sand);line-height:1.55;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,svg{display:block;max-width:100%}
a{color:var(--tb-sea)}
:focus-visible{outline:3px solid var(--tb-sea-light);outline-offset:2px;border-radius:3px}
.tb-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}}
.tb-wrap{max-width:780px;margin:0 auto;padding:24px 16px 72px}
.tb-wrap--wide{max-width:880px}
h1,.tb-h1{font-family:var(--tb-serif);font-weight:400;color:var(--tb-sea);line-height:1.15}
.tb-wrap h1{font-size:clamp(26px,6vw,32px);margin:18px 0 6px}
.tb-wrap h2{font-size:20px;font-weight:600;color:var(--tb-sea);margin:28px 0 8px;font-family:var(--tb-font)}
.tb-wrap p{margin:10px 0;font-size:16px}
.tb-wrap ul,.tb-wrap ol{margin:10px 0 10px 22px}
.tb-wrap li{margin:5px 0}
.tb-sub{color:var(--tb-muted);font-size:15px;margin-bottom:18px}
.tb-intro{font-size:16px;margin:16px 0}
.tb-placeholder{background:var(--tb-accent-pale);color:var(--tb-accent);padding:1px 6px;border-radius:4px;font-size:13px}
.tb-header{position:sticky;top:0;z-index:1000;background:var(--tb-sea);color:#fff;height:var(--tb-header-h);display:flex;align-items:center;justify-content:space-between;padding:0 20px;gap:14px}
.tb-brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:#fff;min-width:0}
.tb-brand img{height:144px;width:auto;display:block}
.tb-brand-name{font-family:var(--tb-serif);font-size:19px;line-height:1;letter-spacing:-.2px}
.tb-nav{display:flex;align-items:center;gap:20px;font-size:14px}
.tb-nav a{color:rgba(255,255,255,.82);text-decoration:none;padding:4px 0;font-weight:600;transition:color .15s}
.tb-nav a:hover{color:#fff}
.tb-nav a[aria-current]{color:#fff;position:relative}
.tb-nav a[aria-current]::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2.5px;background:repeating-linear-gradient(90deg,var(--tb-accent) 0 5px,transparent 5px 9px)}
@media (max-width:640px){.tb-header{padding:0 14px;height:108px}.tb-brand img{height:115px}.tb-nav{display:none}.tb-hamburger{display:flex}}
.tb-breadcrumb{font-size:13px;color:var(--tb-muted);margin:14px 0 2px;line-height:1.7}
.tb-breadcrumb a{color:var(--tb-sea);text-decoration:none}
.tb-breadcrumb a:hover{text-decoration:underline}
.tb-breadcrumb .sep{opacity:.45;margin:0 2px}
.tb-breadcrumb [aria-current]{color:var(--tb-text)}
.tb-btn,.tb-btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--tb-font);font-size:15px;font-weight:600;padding:12px 20px;border-radius:9px;text-decoration:none;cursor:pointer;border:1.5px solid transparent;min-height:44px;transition:background .18s,border-color .18s,transform .12s}
.tb-btn{background:var(--tb-accent);color:#fff}
.tb-btn:hover{background:#d4571f}
.tb-btn:active{transform:translateY(1px)}
.tb-btn-ghost{background:#fff;color:var(--tb-sea);border-color:rgba(10,79,110,.3)}
.tb-btn-ghost:hover{background:var(--tb-sea-pale);border-color:var(--tb-sea)}
.tb-btn-row{display:flex;gap:12px;flex-wrap:wrap;margin:18px 0}
.tb-card{background:#fff;border:1px solid var(--tb-border);border-radius:var(--tb-radius);box-shadow:var(--tb-shadow-sm)}
.tb-list{list-style:none;margin:10px 0;padding:0;display:flex;flex-direction:column;gap:8px}
.tb-list li{margin:0}
.tb-list-item{display:flex;align-items:center;justify-content:space-between;gap:12px;background:#fff;border:1px solid var(--tb-border);border-radius:var(--tb-radius-sm);padding:13px 16px;min-height:44px;text-decoration:none;color:var(--tb-text);transition:border-color .15s,background .15s,transform .12s}
.tb-list-item:hover{border-color:var(--tb-sea-light);background:var(--tb-sea-pale);transform:translateX(2px)}
.tb-list-item .tb-li-main{display:flex;align-items:center;gap:12px;min-width:0}
.tb-list-item .tb-li-title{font-weight:600;color:var(--tb-sea);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tb-list-item .tb-li-meta{font-size:13px;color:var(--tb-muted);white-space:nowrap;flex-shrink:0}
.tb-li-icon{width:34px;height:34px;border-radius:9px;background:var(--tb-sea-pale);color:var(--tb-sea);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.tb-li-icon svg{width:16px;height:16px}
.tb-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px;margin-top:12px}
.tb-grid .tb-list-item{justify-content:flex-start}
.tb-table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--tb-radius);overflow:hidden;box-shadow:var(--tb-shadow-sm);margin:12px 0}
.tb-table th,.tb-table td{padding:11px 14px;text-align:left;font-size:14px;border-bottom:1px solid var(--tb-border)}
.tb-table th{background:var(--tb-sea);color:#fff;font-weight:600}
.tb-table tr:last-child td{border-bottom:none}
.tb-table .num{font-family:var(--tb-serif);font-size:17px}
.tb-badge{display:inline-block;font-size:12px;font-weight:600;padding:3px 9px;border-radius:20px;white-space:nowrap;line-height:1.4}
.tb-badge-green{background:var(--tb-green-pale);color:var(--tb-green)}
.tb-badge-orange{background:var(--tb-accent-pale);color:var(--tb-accent)}
.tb-badge-stima{background:var(--tb-warn-pale);color:var(--tb-warn);border:1px dashed var(--tb-warn-border)}
.tb-badge-pmr{background:var(--tb-green);color:#fff}
.tb-empty{background:var(--tb-sea-pale);border:1px solid rgba(10,79,110,.18);border-radius:var(--tb-radius);padding:24px 22px;text-align:center;margin:16px 0}
.tb-empty-icon{display:flex;justify-content:center;margin-bottom:10px;color:var(--tb-sea)}
.tb-empty-icon svg{width:34px;height:34px}
.tb-empty-title{font-weight:700;color:var(--tb-sea);font-size:16px}
.tb-empty p{font-size:13px;color:var(--tb-muted);margin:6px auto 14px;max-width:340px}
.tb-form label{display:block;margin:16px 0 0;font-weight:600;font-size:14px;color:var(--tb-text)}
.tb-form input,.tb-form select,.tb-form textarea{width:100%;padding:11px 12px;border:1.5px solid var(--tb-border);border-radius:var(--tb-radius-sm);font:inherit;font-weight:400;margin-top:5px;background:#fff;color:var(--tb-text);min-height:44px;transition:border-color .15s,box-shadow .15s}
.tb-form textarea{min-height:120px;resize:vertical;line-height:1.5}
.tb-form input:focus,.tb-form select:focus,.tb-form textarea:focus{outline:none;border-color:var(--tb-sea-light);box-shadow:0 0 0 3px var(--tb-sea-pale)}
.tb-form input[aria-invalid="true"],.tb-form textarea[aria-invalid="true"]{border-color:var(--tb-accent)}
.tb-form .tb-field-hint{font-size:13px;color:var(--tb-muted);margin-top:4px}
.tb-form .tb-field-error{font-size:13px;color:var(--tb-accent);font-weight:600;margin-top:4px}
.tb-hp{position:absolute;left:-5000px;height:0;overflow:hidden}
.tb-alert-ok{background:var(--tb-green-pale);border:1px solid var(--tb-green);border-radius:var(--tb-radius);padding:16px;color:var(--tb-green)}
.tb-alert-err{color:var(--tb-accent);font-weight:600;margin:10px 0}
.tb-bar-bg{background:var(--tb-border);border-radius:5px;height:8px;flex:1;min-width:60px;max-width:160px;overflow:hidden}
.tb-bar{height:8px;border-radius:5px;background:var(--tb-green)}
.tb-note{font-size:13px;color:var(--tb-muted);margin-top:8px}
.tb-explore{margin-top:26px}
.tb-explore-links{display:flex;flex-wrap:wrap;gap:8px 14px;font-size:15px}
.tb-explore-links a{color:var(--tb-sea);text-decoration:none}
.tb-explore-links a:hover{text-decoration:underline}
.tb-footer{background:var(--tb-sea);color:#fff;margin-top:48px}
.tb-footer-inner{max-width:780px;margin:0 auto;padding:24px 16px}
.tb-footer-links{display:flex;gap:8px 18px;flex-wrap:wrap;font-size:14px}
.tb-footer-links a{color:rgba(255,255,255,.85);text-decoration:none}
.tb-footer-links a:hover{color:#fff;text-decoration:underline}
.tb-footer-note{font-size:13px;opacity:.6;margin-top:14px}
@media (max-width:600px){
  .tb-wrap{padding:16px 12px 64px}
  .tb-table--responsive thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
  .tb-table--responsive,.tb-table--responsive tbody,.tb-table--responsive tr,.tb-table--responsive td{display:block;width:100%}
  .tb-table--responsive{background:transparent;box-shadow:none;border-radius:0;margin:12px 0}
  .tb-table--responsive tr{background:#fff;border:1px solid var(--tb-border);border-radius:var(--tb-radius);box-shadow:var(--tb-shadow-sm);padding:12px 14px 12px 16px;margin-bottom:8px;position:relative;overflow:hidden}
  .tb-table--responsive tr::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--tb-sea)}
  .tb-table--responsive td{border:none;padding:2px 0;font-size:14px;display:flex;justify-content:space-between;gap:12px}
  .tb-table--responsive td::before{content:attr(data-label);font-weight:600;color:var(--tb-muted);font-size:13px;flex-shrink:0}
  .tb-table--responsive td.num{font-family:var(--tb-serif);font-size:20px}
}
/* ── Hamburger + nav drawer ── */
.tb-hamburger{display:none;background:none;border:none;cursor:pointer;padding:8px;color:#fff;flex-shrink:0;align-items:center;justify-content:center;min-height:44px;min-width:44px;border-radius:8px}
.tb-hamburger:hover{background:rgba(255,255,255,.12)}
.tb-nav-overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);opacity:0;pointer-events:none;transition:opacity .25s;z-index:1998}
.tb-nav-overlay.tb-open{opacity:1;pointer-events:auto}
.tb-nav-drawer{position:fixed;top:0;right:0;bottom:0;width:260px;background:var(--tb-sea-700);transform:translateX(100%);transition:transform .25s cubic-bezier(.4,0,.2,1);z-index:1999;display:flex;flex-direction:column;box-shadow:-4px 0 24px rgba(0,0,0,.25)}
.tb-nav-drawer.tb-open{transform:translateX(0)}
.tb-nav-drawer-top{display:flex;align-items:center;justify-content:space-between;padding:0 16px;height:72px;border-bottom:1px solid rgba(255,255,255,.12);flex-shrink:0}
.tb-nav-drawer-close{background:none;border:none;color:rgba(255,255,255,.7);cursor:pointer;padding:8px;display:flex;align-items:center;justify-content:center;min-height:44px;min-width:44px;border-radius:8px}
.tb-nav-drawer-close:hover{color:#fff;background:rgba(255,255,255,.1)}
.tb-nav-drawer nav a{display:flex;align-items:center;padding:16px 20px;color:rgba(255,255,255,.82);text-decoration:none;font-size:16px;font-weight:600;border-bottom:1px solid rgba(255,255,255,.08);position:relative}
.tb-nav-drawer nav a:hover{background:rgba(255,255,255,.08);color:#fff}
.tb-nav-drawer nav a[aria-current]{color:#fff;background:rgba(255,255,255,.06)}
.tb-nav-drawer nav a[aria-current]::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--tb-accent);border-radius:0 2px 2px 0}