*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#0a0a0f;
  --bg1:#111118;
  --bg2:#18181f;
  --bg3:#22222c;
  --accent:#e8ff4a;
  --accent2:#4af0c8;
  --accent3:#ff6b6b;
  --accent4:#a78bfa;
  --text:#f0f0f8;
  --text2:#9898b0;
  --text3:#55556a;
  --border:#2a2a38;
  --cat-studio:#e8ff4a;
  --cat-salute:#4af0c8;
  --cat-sport:#ff8c42;
  --cat-altro:#a78bfa;
  --r:12px;
  --r-sm:8px;
  --r-lg:18px;
}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',sans-serif;
  background:var(--bg);
  color:var(--text);
  min-height:100dvh;
  overflow-x:hidden;
}
h1,h2,h3,.brand{font-family:'Syne',sans-serif}

/* ── SCROLLBAR ── */
::-webkit-scrollbar{width:4px;height:4px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--bg3);border-radius:4px}

/* ── LAYOUT ── */
#app{display:flex;height:100dvh;overflow:hidden}
#sidebar{
  width:260px;min-width:260px;
  background:var(--bg1);
  border-right:1px solid var(--border);
  display:flex;flex-direction:column;
  overflow:hidden;
  transition:transform .3s ease;
}
#main{flex:1;display:flex;flex-direction:column;overflow:hidden}

/* ── BRAND ── */
.brand-area{
  padding:1.5rem 1.25rem 1rem;
  border-bottom:1px solid var(--border);
}
.brand{
  font-size:1.5rem;font-weight:800;letter-spacing:-.02em;
  background:linear-gradient(135deg,var(--accent) 0%,var(--accent2) 100%);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.brand-sub{font-size:.72rem;color:var(--text3);margin-top:.2rem;font-weight:300;letter-spacing:.06em;text-transform:uppercase}

/* ── NAV ── */
nav{padding:.75rem .75rem;flex:1;overflow-y:auto}
.nav-section{margin-bottom:1.5rem}
.nav-label{font-size:.67rem;color:var(--text3);letter-spacing:.1em;text-transform:uppercase;padding:.25rem .5rem;margin-bottom:.35rem;font-family:'Syne',sans-serif}
.nav-btn{
  display:flex;align-items:center;gap:.6rem;
  width:100%;padding:.55rem .75rem;
  background:none;border:none;color:var(--text2);
  cursor:pointer;border-radius:var(--r-sm);
  font-size:.88rem;font-family:'Inter',sans-serif;
  transition:all .15s;text-align:left;
}
.nav-btn:hover{background:var(--bg2);color:var(--text)}
.nav-btn.active{background:var(--bg3);color:var(--accent);font-weight:500}
.nav-btn .icon{width:18px;height:18px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.nav-btn .badge{
  margin-left:auto;background:var(--accent);color:var(--bg);
  font-size:.65rem;font-weight:700;padding:.1rem .45rem;border-radius:99px;
  font-family:'Syne',sans-serif;
}

/* ── STATS SIDEBAR ── */
.sidebar-stats{
  padding:.75rem 1rem 1rem;
  border-top:1px solid var(--border);
}
.stat-row{display:flex;gap:.5rem;margin-bottom:.5rem}
.stat-pill{
  flex:1;background:var(--bg2);border:1px solid var(--border);
  border-radius:var(--r-sm);padding:.5rem .6rem;
}
.stat-pill .val{font-family:'Syne',sans-serif;font-size:1.1rem;font-weight:700;color:var(--accent)}
.stat-pill .lbl{font-size:.65rem;color:var(--text3);margin-top:.1rem}

/* ── TOPBAR ── */
#topbar{
  height:56px;min-height:56px;
  background:var(--bg1);border-bottom:1px solid var(--border);
  display:flex;align-items:center;padding:0 1.25rem;gap:.75rem;
}
#topbar h2{font-size:1.05rem;font-weight:700;flex:1}
.topbar-actions{display:flex;gap:.5rem;align-items:center}
.btn{
  padding:.45rem .9rem;border-radius:var(--r-sm);border:1px solid var(--border);
  background:var(--bg2);color:var(--text2);cursor:pointer;
  font-size:.82rem;font-family:'Inter',sans-serif;
  transition:all .15s;display:inline-flex;align-items:center;gap:.4rem;
}
.btn:hover{background:var(--bg3);color:var(--text);border-color:var(--border)}
.btn.primary{background:var(--accent);color:var(--bg);border-color:var(--accent);font-weight:600;font-family:'Syne',sans-serif}
.btn.primary:hover{opacity:.9}
.btn-icon{width:32px;height:32px;padding:0;justify-content:center}

/* ── PAGE CONTENT ── */
#content{flex:1;overflow-y:auto;padding:1.5rem}

/* ── CALENDAR VIEW ── */
.cal-nav{display:flex;align-items:center;gap:.75rem;margin-bottom:1.25rem}
.cal-nav h3{font-size:1.15rem;font-weight:700;font-family:'Syne',sans-serif;flex:1}
.cal-grid-header{
  display:grid;grid-template-columns:repeat(7,1fr);
  margin-bottom:.35rem;
}
.cal-grid-header span{
  text-align:center;font-size:.7rem;color:var(--text3);
  font-weight:600;letter-spacing:.06em;text-transform:uppercase;padding:.3rem 0;
  font-family:'Syne',sans-serif;
}
.cal-grid{
  display:grid;grid-template-columns:repeat(7,1fr);
  gap:3px;margin-bottom:1.5rem;
}
.cal-day{
  aspect-ratio:1;border-radius:var(--r-sm);
  display:flex;flex-direction:column;
  align-items:center;justify-content:flex-start;
  padding:.35rem .2rem .3rem;
  cursor:pointer;background:var(--bg1);border:1px solid transparent;
  transition:all .15s;position:relative;overflow:hidden;
  min-height:52px;
}
.cal-day:hover{background:var(--bg2);border-color:var(--border)}
.cal-day.today{border-color:var(--accent)!important;background:rgba(232,255,74,.05)}
.cal-day.selected{background:var(--bg3);border-color:var(--accent2)}
.cal-day.other-month .day-num{opacity:.3}
.cal-day.other-month .dots{opacity:.4}
.day-num{
  font-size:.82rem;font-weight:600;font-family:'Syne',sans-serif;
  width:22px;height:22px;display:flex;align-items:center;justify-content:center;
  border-radius:50%;
}
.cal-day.today .day-num{background:var(--accent);color:var(--bg)}
.dots{display:flex;gap:2px;margin-top:3px;flex-wrap:wrap;justify-content:center;max-width:90%}
.dot{width:5px;height:5px;border-radius:50%;flex-shrink:0}
.dot.studio{background:var(--cat-studio)}
.dot.salute{background:var(--cat-salute)}
.dot.sport{background:var(--cat-sport)}
.dot.altro{background:var(--cat-altro)}

/* ── DAY DETAIL ── */
.day-detail{
  background:var(--bg1);border:1px solid var(--border);
  border-radius:var(--r-lg);padding:1.25rem;
}
.day-detail-header{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:1rem;
}
.day-detail-header h3{font-size:1rem;font-weight:700;font-family:'Syne',sans-serif}
.event-list{display:flex;flex-direction:column;gap:.5rem}
.event-card{
  display:flex;align-items:center;gap:.75rem;
  padding:.65rem .85rem;
  background:var(--bg2);border-radius:var(--r-sm);
  border:1px solid var(--border);
  transition:all .15s;cursor:pointer;
}
.event-card:hover{background:var(--bg3);border-color:var(--border)}
.event-cat{width:3px;height:36px;border-radius:3px;flex-shrink:0}
.event-cat.studio{background:var(--cat-studio)}
.event-cat.salute{background:var(--cat-salute)}
.event-cat.sport{background:var(--cat-sport)}
.event-cat.altro{background:var(--cat-altro)}
.event-info{flex:1;min-width:0}
.event-title{font-size:.88rem;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.event-meta{font-size:.75rem;color:var(--text2);margin-top:.1rem}
.event-actions{display:flex;gap:.3rem;opacity:0;transition:opacity .15s}
.event-card:hover .event-actions{opacity:1}
.icon-btn{
  width:26px;height:26px;border-radius:6px;border:1px solid var(--border);
  background:none;color:var(--text3);cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  font-size:.75rem;transition:all .15s;
}
.icon-btn:hover{background:var(--bg3);color:var(--text)}
.icon-btn.danger:hover{color:var(--accent3);border-color:var(--accent3)}

/* ── EMPTY STATE ── */
.empty{
  text-align:center;padding:2rem 1rem;color:var(--text3);
}
.empty .big{font-size:2rem;margin-bottom:.5rem}
.empty p{font-size:.85rem}

/* ── MODAL ── */
.modal-overlay{
  position:fixed;inset:0;background:rgba(0,0,0,.75);
  display:flex;align-items:center;justify-content:center;
  z-index:100;padding:1rem;
  opacity:0;pointer-events:none;transition:opacity .2s;
}
.modal-overlay.open{opacity:1;pointer-events:all}
.modal{
  background:var(--bg1);border:1px solid var(--border);
  border-radius:var(--r-lg);padding:1.5rem;width:100%;max-width:440px;
  transform:translateY(12px);transition:transform .2s;
  max-height:90dvh;overflow-y:auto;
}
.modal-overlay.open .modal{transform:translateY(0)}
.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.25rem}
.modal-header h3{font-size:1.05rem;font-weight:700;font-family:'Syne',sans-serif}
.form-group{margin-bottom:1rem}
.form-group label{display:block;font-size:.78rem;color:var(--text2);margin-bottom:.35rem;font-weight:500;letter-spacing:.03em}
.form-group input,.form-group textarea,.form-group select{
  width:100%;background:var(--bg2);border:1px solid var(--border);
  border-radius:var(--r-sm);padding:.6rem .75rem;
  color:var(--text);font-size:.88rem;font-family:'Inter',sans-serif;
  transition:border-color .15s;outline:none;
}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{border-color:var(--accent2)}
.form-group textarea{resize:vertical;min-height:70px}
.form-group select option{background:var(--bg2)}
.cat-selector{display:flex;gap:.5rem;flex-wrap:wrap}
.cat-btn{
  padding:.4rem .75rem;border-radius:var(--r-sm);border:1.5px solid var(--border);
  background:none;color:var(--text2);cursor:pointer;font-size:.8rem;
  font-family:'Inter',sans-serif;transition:all .15s;
}
.cat-btn.active-studio{border-color:var(--cat-studio);color:var(--cat-studio);background:rgba(232,255,74,.08)}
.cat-btn.active-salute{border-color:var(--cat-salute);color:var(--cat-salute);background:rgba(74,240,200,.08)}
.cat-btn.active-sport{border-color:var(--cat-sport);color:var(--cat-sport);background:rgba(255,140,66,.08)}
.cat-btn.active-altro{border-color:var(--cat-altro);color:var(--cat-altro);background:rgba(167,139,250,.08)}
.form-row{display:flex;gap:.75rem}
.form-row .form-group{flex:1}
.modal-footer{display:flex;gap:.5rem;justify-content:flex-end;margin-top:1.25rem;padding-top:1rem;border-top:1px solid var(--border)}

/* ── NOTIFICHE SECTION ── */
.notif-block{
  background:var(--bg1);border:1px solid var(--border);
  border-radius:var(--r-lg);padding:1.25rem;margin-bottom:1rem;
}
.notif-block h4{font-size:.9rem;font-weight:600;margin-bottom:.85rem;font-family:'Syne',sans-serif;display:flex;align-items:center;gap:.5rem}
.toggle-row{display:flex;align-items:center;justify-content:space-between;padding:.5rem 0;border-bottom:1px solid var(--border)}
.toggle-row:last-child{border-bottom:none;padding-bottom:0}
.toggle-label .tl{font-size:.85rem;font-weight:500}
.toggle-label .ts{font-size:.75rem;color:var(--text3);margin-top:.1rem}
.toggle{
  position:relative;width:40px;height:22px;flex-shrink:0;
}
.toggle input{opacity:0;width:0;height:0;position:absolute}
.toggle-slider{
  position:absolute;inset:0;background:var(--bg3);border-radius:11px;
  cursor:pointer;transition:.2s;border:1px solid var(--border);
}
.toggle-slider::before{
  content:'';position:absolute;height:16px;width:16px;
  left:2px;top:2px;background:var(--text3);border-radius:50%;
  transition:.2s;
}
.toggle input:checked+.toggle-slider{background:var(--accent2);border-color:var(--accent2)}
.toggle input:checked+.toggle-slider::before{transform:translateX(18px);background:var(--bg)}
.email-config{margin-top:.75rem}
.email-config input{
  width:100%;background:var(--bg2);border:1px solid var(--border);
  border-radius:var(--r-sm);padding:.55rem .75rem;color:var(--text);
  font-size:.85rem;font-family:'Inter',sans-serif;outline:none;
}
.email-config input:focus{border-color:var(--accent2)}
.notif-time-row{display:flex;align-items:center;gap:.75rem;margin-top:.75rem}
.notif-time-row label{font-size:.8rem;color:var(--text2);flex-shrink:0}
.notif-time-row select{
  background:var(--bg2);border:1px solid var(--border);border-radius:var(--r-sm);
  padding:.4rem .6rem;color:var(--text);font-size:.82rem;outline:none;
}

/* ── AGENDA VIEW ── */
.agenda-day{margin-bottom:1.5rem}
.agenda-day-header{
  display:flex;align-items:center;gap:.75rem;
  margin-bottom:.5rem;padding-bottom:.4rem;
  border-bottom:1px solid var(--border);
}
.agenda-date-badge{
  font-family:'Syne',sans-serif;font-size:.75rem;font-weight:700;
  background:var(--bg3);border-radius:var(--r-sm);padding:.3rem .65rem;color:var(--text2);
  text-transform:uppercase;letter-spacing:.05em;
}
.agenda-date-badge.today{background:var(--accent);color:var(--bg)}
.agenda-label{font-size:.82rem;color:var(--text2)}

/* ── PROGRESS ── */
.progress-section{margin-bottom:1.5rem}
.progress-section h4{font-size:.82rem;color:var(--text3);text-transform:uppercase;letter-spacing:.08em;margin-bottom:.75rem;font-family:'Syne',sans-serif}
.progress-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:.65rem}
.progress-card{
  background:var(--bg1);border:1px solid var(--border);border-radius:var(--r);padding:1rem;
  position:relative;overflow:hidden;
}
.progress-card::before{
  content:'';position:absolute;bottom:0;left:0;height:3px;
  border-radius:0 0 0 0;transition:width .4s ease;
}
.progress-card.studio::before{background:var(--cat-studio);width:var(--prog,0%)}
.progress-card.salute::before{background:var(--cat-salute);width:var(--prog,0%)}
.progress-card.sport::before{background:var(--cat-sport);width:var(--prog,0%)}
.progress-card.altro::before{background:var(--cat-altro);width:var(--prog,0%)}
.prog-num{font-family:'Syne',sans-serif;font-size:1.6rem;font-weight:800;line-height:1}
.prog-label{font-size:.75rem;color:var(--text3);margin-top:.3rem}
.prog-sub{font-size:.72rem;color:var(--text3);margin-top:.15rem}

/* ── TAG ── */
.tag{
  display:inline-flex;align-items:center;gap:.3rem;
  font-size:.7rem;font-weight:600;padding:.2rem .55rem;border-radius:99px;
  font-family:'Syne',sans-serif;letter-spacing:.04em;
}
.tag.studio{background:rgba(232,255,74,.12);color:var(--cat-studio)}
.tag.salute{background:rgba(74,240,200,.12);color:var(--cat-salute)}
.tag.sport{background:rgba(255,140,66,.12);color:var(--cat-sport)}
.tag.altro{background:rgba(167,139,250,.12);color:var(--cat-altro)}

/* ── PRIORITY ── */
.prio{display:flex;align-items:center;gap:.35rem;font-size:.75rem;color:var(--text3)}
.prio-dot{width:7px;height:7px;border-radius:50%}
.prio-dot.high{background:#ff6b6b}
.prio-dot.medium{background:#ffb347}
.prio-dot.low{background:#4af0c8}

/* ── TOAST ── */
#toast-container{
  position:fixed;bottom:1.5rem;right:1.5rem;z-index:999;
  display:flex;flex-direction:column;gap:.5rem;pointer-events:none;
}
.toast{
  background:var(--bg1);border:1px solid var(--border);
  border-radius:var(--r);padding:.7rem 1rem;font-size:.82rem;
  display:flex;align-items:center;gap:.6rem;max-width:300px;
  box-shadow:0 8px 24px rgba(0,0,0,.5);
  transform:translateX(20px);opacity:0;
  animation:toastIn .2s forwards,toastOut .2s forwards 2.8s;
}
.toast-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}
@keyframes toastIn{to{transform:translateX(0);opacity:1}}
@keyframes toastOut{to{transform:translateX(20px);opacity:0}}

/* ── RESPONSIVE SIDEBAR ── */
#hamburger{display:none}
#sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:49}

/* ── UPCOMING STRIP ── */
.upcoming-strip{
  background:var(--bg1);border-bottom:1px solid var(--border);
  padding:.55rem 1.25rem;display:flex;gap:.75rem;align-items:center;
  overflow-x:auto;scrollbar-width:none;
}
.upcoming-strip::-webkit-scrollbar{display:none}
.up-label{font-size:.72rem;color:var(--text3);white-space:nowrap;flex-shrink:0;letter-spacing:.05em;text-transform:uppercase;font-family:'Syne',sans-serif}
.up-chip{
  display:flex;align-items:center;gap:.4rem;
  background:var(--bg2);border:1px solid var(--border);
  border-radius:99px;padding:.25rem .7rem;white-space:nowrap;flex-shrink:0;
  font-size:.75rem;cursor:pointer;transition:all .15s;
}
.up-chip:hover{background:var(--bg3)}
.up-chip .chip-dot{width:6px;height:6px;border-radius:50%;flex-shrink:0}
.no-upcoming{font-size:.78rem;color:var(--text3);font-style:italic}

/* ── SETTINGS ── */
.settings-section{margin-bottom:1.75rem}
.settings-section h4{
  font-size:.78rem;color:var(--text3);text-transform:uppercase;
  letter-spacing:.08em;margin-bottom:.75rem;font-family:'Syne',sans-serif;
}
.danger-zone{
  background:rgba(255,107,107,.05);border:1px solid rgba(255,107,107,.2);
  border-radius:var(--r);padding:1rem;
}

/* ── REPEAT INDICATOR ── */
.repeat-badge{
  font-size:.65rem;background:var(--bg3);border-radius:4px;
  padding:.1rem .35rem;color:var(--text3);margin-left:.3rem;
}

@media(max-width:700px){
  #sidebar{
    position:fixed;top:0;left:0;bottom:0;z-index:50;
    transform:translateX(-100%);
  }
  #sidebar.open{transform:translateX(0)}
  #sidebar-overlay.open{display:block}
  #hamburger{display:flex}
  #content{padding:1rem}
}