:root{
  --ink:#17312f;
  --ink-2:#35514e;
  --muted:#70817e;
  --ivory:#f7f4ef;
  --paper:#fffdf9;
  --paper-2:#f0ebe3;
  --teal:#0c6f6b;
  --teal-dark:#07504e;
  --sage:#91bdaa;
  --mint:#dcebe3;
  --line:rgba(23,49,47,.11);
  --danger:#bd4b55;
  --danger-soft:#f8e7e9;
  --warning:#b27a24;
  --success:#347d61;
  --shadow:0 20px 60px rgba(23,49,47,.10);
  --shadow-soft:0 8px 30px rgba(23,49,47,.07);
  --radius:24px;
  --radius-sm:15px;
}
*{box-sizing:border-box}
html{min-height:100%;background:var(--ivory)}
body{margin:0;min-height:100%;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:var(--ivory);line-height:1.5}
a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}
[hidden]{display:none!important}

.app-shell{min-height:100vh;display:grid;grid-template-columns:264px minmax(0,1fr)}
.app-sidebar{position:sticky;top:0;height:100vh;padding:24px 18px;display:flex;flex-direction:column;background:linear-gradient(160deg,#123b38 0%,#0a2928 70%,#071f1e 100%);color:#fff;overflow:auto;z-index:40}
.app-sidebar:before{content:"";position:absolute;inset:auto -80px -100px auto;width:280px;height:280px;border-radius:50%;background:rgba(145,189,170,.12);filter:blur(2px);pointer-events:none}
.brand{display:flex;align-items:center;justify-content:center;min-height:118px;padding:12px 18px 22px;border-bottom:1px solid rgba(255,255,255,.1)}
.brand img{display:block;width:175px;max-height:110px;object-fit:contain;filter:brightness(1.35) saturate(.8)}
.nav{display:flex;flex-direction:column;gap:7px;margin-top:24px}
.nav a{position:relative;display:flex;align-items:center;gap:13px;padding:12px 14px;border-radius:15px;color:rgba(255,255,255,.72);font-size:14px;font-weight:650;transition:.2s ease}
.nav a svg{width:19px;height:19px;opacity:.8;flex:0 0 auto}
.nav a:hover{color:#fff;background:rgba(255,255,255,.07);transform:translateX(2px)}
.nav a.active{color:#123b38;background:linear-gradient(135deg,#f5f1e9,#dfece4);box-shadow:0 12px 30px rgba(0,0,0,.16)}
.nav a.active svg{opacity:1}
.sidebar-bottom{margin-top:auto;padding-top:22px;position:relative;z-index:1}
.profile-chip{display:flex;align-items:center;gap:10px;padding:12px;border:1px solid rgba(255,255,255,.09);border-radius:16px;background:rgba(255,255,255,.05)}
.profile-chip>span:last-child{display:flex;flex-direction:column;min-width:0}
.profile-chip strong{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.profile-chip small{color:rgba(255,255,255,.55);font-size:11px}
.profile-avatar{width:35px;height:35px;display:grid;place-items:center;border-radius:50%;background:var(--sage);color:#123b38;font-weight:900}
.logout-link{display:flex;align-items:center;gap:10px;margin-top:9px;padding:10px 12px;color:rgba(255,255,255,.65);font-size:13px}
.logout-link:hover{color:#fff}

.app-main{min-width:0;background:radial-gradient(circle at 95% 0%,rgba(145,189,170,.22),transparent 25%),radial-gradient(circle at 10% 85%,rgba(12,111,107,.08),transparent 30%),var(--ivory)}
.page-wrap{width:min(1380px,100%);margin:0 auto;padding:38px 42px 30px}
.mobile-header{display:none}
main{min-height:calc(100vh - 150px)}

h1,h2,h3{font-family:Georgia,"Times New Roman",serif;color:var(--ink);line-height:1.14}
h1{font-size:clamp(31px,4vw,46px);font-weight:500;letter-spacing:-.035em;margin:0 0 24px}
h2{font-size:27px;font-weight:500;letter-spacing:-.025em;margin:0 0 18px}
h3{font-size:20px;font-weight:600;margin:0 0 10px}
p{margin:0 0 12px}.muted{color:var(--muted)}

.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px}
.card{position:relative;background:rgba(255,253,249,.92);border:1px solid rgba(23,49,47,.09);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-soft);overflow:hidden}
.card:before{content:"";position:absolute;left:0;top:0;width:100%;height:3px;background:linear-gradient(90deg,var(--teal),var(--sage),transparent);opacity:.65}
.cards>.card{min-height:170px;display:flex;flex-direction:column;justify-content:flex-start;transition:transform .2s ease,box-shadow .2s ease}
.cards>.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.cards>.card .btn{margin-top:auto;align-self:flex-start}

.btn,button.btn,input[type=submit].btn{appearance:none;border:1px solid var(--line);background:var(--paper);color:var(--ink);border-radius:999px;min-height:42px;padding:10px 18px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:750;font-size:13px;cursor:pointer;box-shadow:0 3px 12px rgba(23,49,47,.05);transition:.18s ease}
.btn:hover{transform:translateY(-1px);border-color:rgba(12,111,107,.28);box-shadow:0 8px 20px rgba(23,49,47,.10)}
.btn.ok,.btn.primary{background:linear-gradient(135deg,var(--teal),var(--teal-dark));color:#fff;border-color:transparent;box-shadow:0 10px 22px rgba(12,111,107,.22)}
.btn.danger{background:var(--danger-soft);color:var(--danger);border-color:rgba(189,75,85,.18)}
.btn.warning{background:#fff4df;color:var(--warning)}
.btn svg{width:17px;height:17px}
.install-app{margin-top:20px}

label{display:block;color:var(--ink-2);font-size:13px;font-weight:750}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=date],input[type=time],input[type=tel],select,textarea{width:100%;margin-top:7px;padding:12px 14px;border:1px solid var(--line);border-radius:14px;background:#fff;color:var(--ink);outline:none;box-shadow:0 1px 0 rgba(255,255,255,.6) inset;transition:.18s ease}
input:focus,select:focus,textarea:focus{border-color:var(--teal);box-shadow:0 0 0 4px rgba(12,111,107,.10)}
input[type=checkbox],input[type=radio]{accent-color:var(--teal)}
form.card{display:grid;gap:16px}
form.card br{display:none}
small{color:var(--muted)}

.table{width:100%;border-collapse:separate;border-spacing:0 8px;margin-top:8px}
.table thead th{text-align:left;padding:0 14px 8px;color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.09em;font-weight:800;border:0}
.table tbody tr{background:#fff;box-shadow:0 5px 18px rgba(23,49,47,.045)}
.table tbody td{padding:14px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);vertical-align:middle}
.table tbody td:first-child{border-left:1px solid var(--line);border-radius:14px 0 0 14px}
.table tbody td:last-child{border-right:1px solid var(--line);border-radius:0 14px 14px 0}

.calendar-day{margin:18px 0;padding:22px;background:rgba(255,253,249,.86);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-soft)}
.calendar-day.today{border-color:rgba(12,111,107,.38);box-shadow:0 15px 45px rgba(12,111,107,.12)}
.calendar-day.tomorrow{border-color:rgba(145,189,170,.45)}
.day-title{display:flex;align-items:center;gap:10px}.day-title:before{content:"";width:9px;height:9px;border-radius:50%;background:var(--teal)}
.slot,.booking-slot,.lesson-slot{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px;margin-top:12px;box-shadow:0 5px 20px rgba(23,49,47,.05)}
.week-nav{background:transparent}

.status,.badge{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;background:var(--mint);color:var(--teal-dark);font-size:11px;font-weight:850;text-transform:uppercase;letter-spacing:.04em}
.status.active,.badge.success{background:#e4f1e9;color:var(--success)}
.status.inactive,.badge.danger{background:var(--danger-soft);color:var(--danger)}
.flash{padding:13px 16px;margin-bottom:16px;border-radius:14px;background:var(--mint);color:var(--teal-dark)}

.bank-details{background:linear-gradient(145deg,#133d3a,#092a28);color:#fff!important;border-radius:24px;padding:26px;box-shadow:0 20px 50px rgba(7,42,40,.22)}
.bank-details h2,.bank-details strong{color:#fff}.bank-details p,.bank-details span{color:rgba(255,255,255,.72)}
.bank-row{display:flex;justify-content:space-between;gap:20px;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.1)}
.iban{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.04em}

.app-footer{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:44px;padding:22px 4px 0;border-top:1px solid var(--line);color:var(--muted);font-size:12px}
.footer-links{display:flex;gap:16px}.app-footer a:hover{color:var(--teal)}
.cookiebar{position:fixed;left:50%;bottom:18px;transform:translateX(-50%);z-index:100;display:flex;align-items:center;gap:18px;width:min(740px,calc(100% - 28px));padding:13px 14px 13px 18px;border:1px solid var(--line);border-radius:18px;background:rgba(255,253,249,.96);box-shadow:var(--shadow);backdrop-filter:blur(14px);font-size:13px}
.cookiebar .btn{margin-left:auto;min-height:34px;padding:7px 15px}

.operation-overlay,.bf-flash-modal{position:fixed;inset:0;z-index:1000;display:grid;place-items:center}
.operation-overlay{background:rgba(7,31,30,.46);backdrop-filter:blur(6px)}
.operation-card,.bf-flash-card{position:relative;z-index:2;width:min(390px,calc(100% - 32px));padding:30px;border-radius:26px;background:var(--paper);box-shadow:0 30px 90px rgba(0,0,0,.24);text-align:center}
.operation-card{display:flex;flex-direction:column;align-items:center;gap:8px}.operation-card span{color:var(--muted);font-size:13px}
.bf-spinner{width:42px;height:42px;margin-bottom:8px;border:3px solid var(--mint);border-top-color:var(--teal);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}
.bf-flash-backdrop{position:absolute;inset:0;background:rgba(7,31,30,.48);backdrop-filter:blur(5px)}
.bf-flash-icon{width:52px;height:52px;margin:0 auto 14px;display:grid;place-items:center;border-radius:50%;background:var(--mint);color:var(--teal);font-size:24px;font-weight:900}.bf-flash-msg{margin-bottom:18px;font-weight:700}

/* Login / pagine senza shell */
.login-page,.auth-page{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 80% 10%,rgba(145,189,170,.32),transparent 30%),var(--ivory)}
.login-card,.auth-card{width:min(440px,100%);padding:34px;border-radius:30px;background:rgba(255,253,249,.94);border:1px solid var(--line);box-shadow:var(--shadow)}
.login-card img,.auth-card img{display:block;width:210px;max-height:150px;object-fit:contain;margin:0 auto 22px}

@media(max-width:1080px){.page-wrap{padding:30px 28px}.app-shell{grid-template-columns:230px minmax(0,1fr)}.app-sidebar{padding-inline:14px}.brand img{width:155px}}
@media(max-width:860px){
  .app-shell{display:block}.app-sidebar{position:fixed;left:0;top:0;width:285px;transform:translateX(-105%);transition:transform .25s ease;box-shadow:30px 0 80px rgba(0,0,0,.25)}.app-sidebar.open{transform:translateX(0)}
  .mobile-header{position:sticky;top:0;z-index:30;height:74px;padding:10px 18px;display:flex;align-items:center;justify-content:center;background:rgba(247,244,239,.91);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}
  .mobile-header img{width:135px;height:58px;object-fit:contain}.menu-toggle{position:absolute;left:16px;width:42px;height:42px;border:1px solid var(--line);border-radius:50%;background:var(--paper);color:var(--ink);font-size:20px}
  .page-wrap{padding:24px 18px 26px}h1{font-size:34px}.card{padding:20px}.app-footer{flex-direction:column;align-items:flex-start}.table{display:block;overflow-x:auto;white-space:nowrap}
}
@media(max-width:560px){.cards{grid-template-columns:1fr}.card{border-radius:20px}.calendar-day{padding:17px}.btn{min-height:40px;padding:9px 14px}.cookiebar{align-items:flex-start}.bank-row{flex-direction:column;gap:3px}.app-footer{margin-top:30px}}
.auth-shell{display:block;min-height:100vh;background:radial-gradient(circle at 78% 8%,rgba(145,189,170,.32),transparent 28%),radial-gradient(circle at 12% 90%,rgba(12,111,107,.13),transparent 30%),var(--ivory)}
.auth-shell .app-main{min-height:100vh;background:transparent;display:grid;place-items:center}
.auth-shell .page-wrap{width:100%;padding:32px;display:grid;place-items:center}
.auth-shell main{min-height:auto;width:100%;display:grid;place-items:center}
.auth-shell .app-footer{width:min(440px,100%);margin-top:26px}
.login-heading{text-align:center;margin-bottom:24px}.login-heading h1{margin:4px 0 8px}.eyebrow{color:var(--teal);font-size:11px;font-weight:850;letter-spacing:.16em;text-transform:uppercase}
.login-form{display:grid;gap:15px}.remember-row{display:flex;align-items:center;gap:9px}.remember-row input{width:auto;margin:0}.login-submit{width:100%;margin-top:3px}.login-links{display:flex;justify-content:space-between;gap:14px;font-size:12px;color:var(--teal);font-weight:700}
@media(max-width:560px){.auth-shell .page-wrap{padding:18px}.login-card{padding:26px 20px}.auth-shell .app-footer{padding-inline:4px}}