/* ============================================================
   AdiSalute — design system (03_DESIGN_SYSTEM.md)
   Palette "Medical Clinic" light · Lexend + Source Sans 3 (self-hosted)
   Zero dipendenze esterne a runtime.
   ============================================================ */

/* ---------- font (self-hosted; fallback di sistema se assenti) ---------- */
@font-face { font-family:'Lexend'; src:url('../fonts/lexend-500.woff2') format('woff2'); font-weight:500; font-display:swap; }
@font-face { font-family:'Lexend'; src:url('../fonts/lexend-600.woff2') format('woff2'); font-weight:600; font-display:swap; }
@font-face { font-family:'Lexend'; src:url('../fonts/lexend-700.woff2') format('woff2'); font-weight:700; font-display:swap; }
@font-face { font-family:'Source Sans 3'; src:url('../fonts/sourcesans3-400.woff2') format('woff2'); font-weight:400; font-display:swap; }
@font-face { font-family:'Source Sans 3'; src:url('../fonts/sourcesans3-600.woff2') format('woff2'); font-weight:600; font-display:swap; }

/* ---------- tokens ---------- */
:root{
  --color-primary:#0891B2; --color-on-primary:#FFFFFF; --color-primary-hover:#0E7490;
  --color-secondary:#22D3EE;
  --color-background:#F0FDFA; --color-card:#FFFFFF; --color-muted:#E8F1F6; --color-border:#CBE7E3;
  --color-foreground:#134E4A; --color-body:#1E293B; --color-muted-foreground:#64748B;
  --color-success:#16A34A; --color-warning:#D97706; --color-destructive:#DC2626; --color-info:#0891B2;
  --color-sidebar:#115E59; --color-sidebar-fg:#F0FDFA; --color-sidebar-active:rgba(255,255,255,.12);
  --color-sidebar-indicator:#22D3EE; --color-ring:#0891B2;
  --font-heading:'Lexend',-apple-system,'Segoe UI',sans-serif;
  --font-body:'Source Sans 3',-apple-system,'Segoe UI',sans-serif;
  --radius-card:8px; --radius-ctl:6px;
  --shadow-1:0 1px 2px rgba(19,78,74,.06); --shadow-2:0 2px 8px rgba(19,78,74,.10);
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px; --sp-6:32px; --sp-7:48px;
}

/* ---------- reset/base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font-body);font-size:16px;line-height:1.5;
     color:var(--color-body);background:var(--color-background)}
h1,h2,h3,h4{font-family:var(--font-heading);color:var(--color-foreground);line-height:1.25;margin:0 0 var(--sp-3)}
h1{font-size:32px;font-weight:700} h2{font-size:24px;font-weight:600} h3{font-size:18px;font-weight:600}
p{margin:0 0 var(--sp-3)} a{color:var(--color-primary)} a:hover{color:var(--color-primary-hover)}
img,svg{max-width:100%;vertical-align:middle}
:focus-visible{outline:2px solid var(--color-ring);outline-offset:2px;border-radius:4px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--color-card);padding:var(--sp-2) var(--sp-3);z-index:2000}
.skip-link:focus{left:var(--sp-3)}
.muted{color:var(--color-muted-foreground)} .small{font-size:14px} .caption{font-size:12px}
.num{font-variant-numeric:tabular-nums}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* ---------- bottoni ---------- */
.btn{display:inline-flex;align-items:center;gap:var(--sp-2);padding:10px 18px;min-height:44px;
     font:600 16px var(--font-heading);border-radius:var(--radius-ctl);border:1px solid transparent;
     cursor:pointer;text-decoration:none;transition:background .15s ease-out,border-color .15s ease-out}
.btn-primary{background:var(--color-primary);color:var(--color-on-primary)}
.btn-primary:hover{background:var(--color-primary-hover);color:var(--color-on-primary)}
.btn-outline{background:var(--color-card);color:var(--color-primary);border-color:var(--color-primary)}
.btn-outline:hover{background:var(--color-muted)}
.btn-danger{background:var(--color-destructive);color:#fff}
.btn[disabled]{opacity:.45;cursor:not-allowed}

/* ---------- card / kpi ---------- */
.card{background:var(--color-card);border:1px solid var(--color-border);
      border-radius:var(--radius-card);box-shadow:var(--shadow-1);padding:var(--sp-5)}
.kpi-grid{display:grid;gap:var(--sp-4);grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}
.kpi{background:var(--color-card);border:1px solid var(--color-border);border-radius:var(--radius-card);
     padding:var(--sp-4) var(--sp-5);box-shadow:var(--shadow-1)}
.kpi .kpi-label{font:500 14px var(--font-heading);color:var(--color-muted-foreground)}
.kpi .kpi-value{font:700 32px var(--font-heading);color:var(--color-foreground);font-variant-numeric:tabular-nums}

/* ---------- badge ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;padding:2px 10px;border-radius:999px;
       font:600 12px var(--font-heading);line-height:1.6;border:1px solid transparent}
.badge-info{background:#E0F2FE;color:#075985;border-color:#BAE6FD}
.badge-success{background:#DCFCE7;color:#14532D;border-color:#BBF7D0}
.badge-warning{background:#FEF3C7;color:#92400E;border-color:#FDE68A}
.badge-destructive{background:#FEE2E2;color:#991B1B;border-color:#FECACA}
.badge-muted{background:var(--color-muted);color:var(--color-muted-foreground);border-color:var(--color-border)}
.badge-azienda{background:var(--color-primary);color:#fff}
.badge-azienda.sal{background:#0E7490}

/* ---------- tabella densa ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--color-border);border-radius:var(--radius-card);background:var(--color-card)}
table.dense{width:100%;border-collapse:collapse;font-size:14px}
table.dense caption{text-align:left;padding:var(--sp-3) var(--sp-4);font:600 16px var(--font-heading);color:var(--color-foreground)}
table.dense th{position:sticky;top:0;background:var(--color-muted);color:var(--color-foreground);
  font:600 12px var(--font-heading);text-transform:uppercase;letter-spacing:.04em;
  text-align:left;padding:10px var(--sp-4);border-bottom:1px solid var(--color-border)}
table.dense td{padding:10px var(--sp-4);border-bottom:1px solid var(--color-border);height:40px}
table.dense tbody tr:nth-child(even){background:rgba(232,241,246,.5)}
table.dense tbody tr:hover{background:#E0F2FE}
table.dense td.num,table.dense th.num{text-align:right;font-variant-numeric:tabular-nums}

/* ---------- form ---------- */
.form-field{margin-bottom:var(--sp-4)}
.form-field label{display:block;font:500 14px var(--font-heading);color:var(--color-foreground);margin-bottom:6px}
.form-field .req{color:var(--color-destructive)}
.input,select,textarea{width:100%;min-height:44px;padding:10px 12px;font:400 16px var(--font-body);
  color:var(--color-body);background:var(--color-card);border:1px solid var(--color-border);
  border-radius:var(--radius-ctl);transition:border-color .15s ease-out}
.input:focus,select:focus,textarea:focus{border-color:var(--color-primary);outline:2px solid var(--color-ring);outline-offset:1px}
.helper{font-size:13px;color:var(--color-muted-foreground);margin-top:4px}
.error-text{display:flex;gap:6px;align-items:center;color:var(--color-destructive);font-size:14px;margin-top:6px}

/* ---------- login ---------- */
.login-wrap{min-height:100dvh;display:grid;place-items:center;padding:var(--sp-5);
  background:linear-gradient(160deg,#F0FDFA 0%,#E0F2FE 100%)}
.login-card{width:100%;max-width:420px;background:var(--color-card);border:1px solid var(--color-border);
  border-radius:12px;box-shadow:var(--shadow-2);padding:var(--sp-6)}
.login-brand{display:flex;align-items:center;gap:var(--sp-3);justify-content:center;margin-bottom:var(--sp-5)}

/* ---------- app shell ---------- */
.shell{display:grid;grid-template-columns:240px 1fr;grid-template-rows:56px 1fr;min-height:100dvh}
.sidebar{grid-row:1/-1;background:var(--color-sidebar);color:var(--color-sidebar-fg);padding:var(--sp-4) 0;
  display:flex;flex-direction:column;position:sticky;top:0;height:100dvh;overflow-y:auto;align-self:start}
.sidebar .brand{display:flex;align-items:center;gap:10px;padding:4px var(--sp-4) var(--sp-4);
  font:700 20px var(--font-heading);color:#fff;text-decoration:none}
.snav{list-style:none;margin:0;padding:0;flex:1}
.snav a{display:flex;align-items:center;gap:10px;padding:11px var(--sp-4);color:var(--color-sidebar-fg);
  text-decoration:none;font:500 15px var(--font-heading);border-left:3px solid transparent}
.snav a:hover{background:var(--color-sidebar-active)}
.snav a.active{background:var(--color-sidebar-active);border-left-color:var(--color-sidebar-indicator);color:#fff}
.snav svg{width:20px;height:20px;flex:none}
.sidebar .sfoot{padding:var(--sp-3) var(--sp-4);font-size:12px;color:rgba(240,253,250,.55)}
.topbar{grid-column:2;position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:var(--sp-4);height:56px;
  background:var(--color-card);border-bottom:1px solid var(--color-border);padding:0 var(--sp-5)}
.topbar .title{font:600 18px var(--font-heading);color:var(--color-foreground);margin-right:auto}
.userbox{display:flex;align-items:center;gap:var(--sp-3);font-size:14px}
.main{grid-column:2;padding:var(--sp-5);max-width:1440px;width:100%}
@media (max-width:900px){
  .shell{grid-template-columns:1fr}
  .sidebar{position:fixed;inset:auto 0 0 0;z-index:40;flex-direction:row;padding:0;height:60px}
  .sidebar .brand,.sidebar .sfoot{display:none}
  .snav{display:flex;width:100%}
  .snav li{flex:1}
  .snav a{flex-direction:column;gap:2px;font-size:11px;padding:8px 4px;border-left:0;border-top:3px solid transparent;align-items:center}
  .snav a.active{border-top-color:var(--color-sidebar-indicator)}
  .topbar,.main{grid-column:1}
  .main{padding-bottom:84px}
}

/* ---------- landing ---------- */
.pub-header{background:var(--color-card);border-bottom:1px solid var(--color-border)}
.pub-header .inner,.section .inner,.pub-footer .inner{max-width:1120px;margin:0 auto;padding:0 var(--sp-5)}
.pub-header .inner{display:flex;align-items:center;height:68px;gap:var(--sp-4)}
.pub-nav{margin-left:auto;display:flex;gap:var(--sp-4);align-items:center}
.brand-lock{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand-word{font:700 22px var(--font-heading);color:var(--color-foreground)}
.brand-word em{font-style:normal;color:var(--color-primary)}
.hero{padding:var(--sp-7) 0;background:linear-gradient(160deg,#F0FDFA 0%,#E0F2FE 100%)}
.hero .inner{max-width:1120px;margin:0 auto;padding:0 var(--sp-5);text-align:center}
.hero h1{font-size:clamp(30px,4.5vw,44px);max-width:19em;margin:0 auto var(--sp-3)}
.hero p.lead{font-size:19px;color:var(--color-muted-foreground);max-width:44em;margin:0 auto var(--sp-5)}
.section{padding:var(--sp-7) 0}
.section.alt{background:var(--color-card);border-block:1px solid var(--color-border)}
.feat-grid{display:grid;gap:var(--sp-4);grid-template-columns:repeat(auto-fit,minmax(300px,1fr));margin-top:var(--sp-5)}
.feat{background:var(--color-card);border:1px solid var(--color-border);border-radius:var(--radius-card);
  padding:var(--sp-5);box-shadow:var(--shadow-1)}
.feat .ic{display:inline-flex;padding:10px;border-radius:10px;background:#E0F2FE;color:var(--color-primary);margin-bottom:var(--sp-3)}
.feat h3{margin-bottom:6px}
.feat p{font-size:15px;color:var(--color-muted-foreground);margin:0}
.compliance{display:flex;flex-wrap:wrap;gap:var(--sp-2);justify-content:center;margin-top:var(--sp-4)}
.pub-footer{background:var(--color-sidebar);color:#D2F5EF;padding:var(--sp-6) 0 var(--sp-4)}
.pub-footer h4{color:#fff;font:600 14px var(--font-heading);text-transform:uppercase;letter-spacing:.06em;margin:0 0 var(--sp-2)}
.pub-footer .cols{display:grid;gap:var(--sp-5);grid-template-columns:repeat(auto-fit,minmax(220px,1fr));margin-bottom:var(--sp-5)}
.pub-footer a{color:#D2F5EF}
.partner{display:flex;flex-direction:column;gap:4px;font-size:15px}
.pub-footer .legal{border-top:1px solid rgba(255,255,255,.15);padding-top:var(--sp-3);
  display:flex;flex-wrap:wrap;gap:var(--sp-3);justify-content:space-between;
  font-size:12px;color:rgba(210,245,239,.55)}

/* ---------- toast / alert ---------- */
.alert{display:flex;gap:10px;align-items:flex-start;border:1px solid;border-radius:var(--radius-card);
  padding:var(--sp-3) var(--sp-4);font-size:14px;margin-bottom:var(--sp-4)}
.alert-error{background:#FEF2F2;border-color:#FECACA;color:#991B1B}
.alert-success{background:#F0FDF4;border-color:#BBF7D0;color:#14532D}

/* ---------- timeline (diario) ---------- */
.timeline{list-style:none;margin:0;padding:0;position:relative}
.timeline::before{content:"";position:absolute;left:9px;top:4px;bottom:4px;width:2px;background:var(--color-border)}
.timeline li{position:relative;padding:0 0 var(--sp-4) var(--sp-6)}
.timeline .dot{position:absolute;left:3px;top:4px;width:14px;height:14px;border-radius:50%;
  background:var(--color-info);border:2px solid #fff;box-shadow:0 0 0 1px var(--color-border)}
.timeline .dot.success{background:var(--color-success)} .timeline .dot.warning{background:var(--color-warning)}
.timeline time{font:600 13px var(--font-heading);color:var(--color-muted-foreground);font-variant-numeric:tabular-nums}