:root{
    --stone: #F3EFE6;
    --stone-deep: #E8E2D4;
    --ink: #262420;
    --ink-soft: #6b675e;
    --sage: #6B1A1F;
    --sage-deep: #511215;
    --line: #d9d2c1;
    --white: #FFFFFF;
    --accent: #8A3B3F;
    --green: #3E7A52;
    --full-color: #2E6E82;
    --sidebar-w: 220px;
  }
  *{box-sizing:border-box;}
  html,body{height:100%;}
  body{
    margin:0;
    background:var(--stone);
    color:var(--ink);
    font-family:'Inter',sans-serif;
  }
  button, input, select, textarea{font-family:inherit;}

  /* ---------- LOGIN ---------- */
  #loginScreen{
    min-height:100vh;
    display:flex;
    align-items:center;
    justify-content:center;
    padding:24px;
  }
  .login-card{
    background:var(--white);
    border-radius:16px;
    padding:40px 32px 32px;
    width:100%;
    max-width:360px;
    text-align:center;
    box-shadow:0 8px 30px rgba(81,18,21,0.08);
  }
  .login-card img{
    height:80px;
    width:auto;
    margin-bottom:18px;
  }
  .login-card h1{
    font-family:'Newsreader',serif;
    font-size:22px;
    font-weight:600;
    color:var(--sage-deep);
    margin:0 0 4px;
  }
  .login-card .login-sub{
    font-size:12.5px;
    color:var(--ink-soft);
    margin:0 0 24px;
  }
  .login-field{
    text-align:left;
    margin-bottom:14px;
  }
  .login-field label{
    display:block;
    font-size:12px;
    font-weight:600;
    color:var(--ink-soft);
    margin-bottom:5px;
  }
  .login-field input{
    width:100%;
    padding:11px 12px;
    border:1px solid var(--line);
    border-radius:8px;
    font-size:15px;
  }
  .login-field input:focus{outline:2px solid var(--accent); outline-offset:1px;}
  .login-btn{
    width:100%;
    background:var(--sage);
    color:white;
    border:none;
    padding:13px;
    border-radius:8px;
    font-size:15px;
    font-weight:600;
    cursor:pointer;
    margin-top:6px;
  }
  .login-btn:hover{background:var(--sage-deep);}
  .login-error{
    color:#a15c4c;
    font-size:12.5px;
    margin-top:12px;
    min-height:16px;
  }

  /* ---------- APP SHELL ---------- */
  #appShell{display:none; min-height:100vh;}
  #appShell.visible{display:flex;}

  .sidebar{
    width:var(--sidebar-w);
    flex-shrink:0;
    background:var(--white);
    border-right:1px solid var(--line);
    display:flex;
    flex-direction:column;
    padding:20px 14px;
    position:sticky;
    top:0;
    height:100vh;
  }
  .sidebar-brand{
    display:flex;
    align-items:center;
    gap:10px;
    padding:0 6px 20px;
    margin-bottom:10px;
    border-bottom:1px solid var(--line);
  }
  .sidebar-brand img{height:34px; width:auto;}
  .sidebar-brand span{
    font-family:'Newsreader',serif;
    font-weight:600;
    font-size:16px;
    color:var(--sage-deep);
  }
  .nav-item{
    display:flex;
    align-items:center;
    gap:10px;
    padding:11px 12px;
    border-radius:8px;
    font-size:14px;
    font-weight:500;
    color:var(--ink-soft);
    cursor:pointer;
    margin-bottom:4px;
  }
  .nav-item .nav-icon{font-size:17px; width:20px; text-align:center;}
  .nav-item:hover{background:var(--stone);}
  .nav-item.active{background:#F1E4E1; color:var(--sage-deep); font-weight:600;}
  .sidebar-footer{margin-top:auto; padding-top:14px; border-top:1px solid var(--line);}
  .logout-btn{
    width:100%;
    background:none;
    border:1px solid var(--line);
    color:var(--ink-soft);
    padding:9px;
    border-radius:8px;
    font-size:13px;
    cursor:pointer;
  }
  .logout-btn:hover{background:var(--stone);}

  .content{
    flex:1;
    min-width:0;
    padding:28px 28px 90px;
  }
  .view{display:none;}
  .view.active{display:block;}

  .view-header{
    display:flex;
    justify-content:space-between;
    align-items:flex-start;
    flex-wrap:wrap;
    gap:12px;
    margin-bottom:20px;
    padding-bottom:16px;
    border-bottom:1px solid var(--line);
  }
  .view-header h2{
    font-family:'Newsreader',serif;
    font-weight:600;
    font-size:26px;
    margin:0 0 4px;
    color:var(--sage-deep);
  }
  .view-header p{margin:0; color:var(--ink-soft); font-size:13.5px;}
  .view-actions{display:flex; gap:8px; align-items:center; flex-wrap:wrap;}
  .sync-status{font-size:11.5px; color:var(--ink-soft);}

  .btn{
    background:var(--sage); color:white; border:none;
    padding:9px 16px; border-radius:6px; font-size:13.5px; font-weight:500;
    cursor:pointer; transition:background .15s ease; white-space:nowrap;
  }
  .btn:hover{background:var(--sage-deep);}
  .btn.secondary{background:var(--white); color:var(--sage-deep); border:1px solid var(--line);}
  .btn.secondary:hover{background:var(--stone-deep);}

  .share-note{
    display:flex; align-items:center; gap:8px;
    background:#EFE6DC; border:1px solid var(--line); border-radius:8px;
    padding:10px 14px; font-size:12.5px; color:var(--ink-soft); margin-bottom:18px;
  }

  .month-picker{display:flex; align-items:center; gap:10px; margin-bottom:14px; flex-wrap:wrap;}
  .month-picker select{
    padding:9px 12px; border:1px solid var(--line); border-radius:8px;
    font-size:14.5px; font-weight:600; color:var(--sage-deep);
    background:var(--white); cursor:pointer;
  }
  .week-tabs{display:flex; align-items:center; gap:6px; flex-wrap:wrap; margin-bottom:18px;}
  .week-tab{
    background:var(--stone-deep); border:1px solid var(--line); border-radius:999px;
    padding:6px 14px; font-size:12.5px; font-weight:500; color:var(--ink-soft); cursor:pointer;
  }
  .week-tab.active{background:var(--sage); color:white; border-color:var(--sage);}

  .legend{display:flex; flex-wrap:wrap; gap:10px; margin-bottom:18px;}
  .chip{
    display:flex; align-items:center; gap:6px; background:var(--white); border:1px solid var(--line);
    border-radius:999px; padding:5px 12px 5px 8px; font-size:13px;
  }
  .dot{width:10px; height:10px; border-radius:50%; flex-shrink:0;}

  .grid-scroll{overflow-x:auto; border:1px solid var(--line); border-radius:10px; background:var(--white); -webkit-overflow-scrolling:touch;}
  table{border-collapse:collapse; width:100%; min-width:700px;}
  th, td{border-bottom:1px solid var(--line); border-right:1px solid var(--line);}
  th:last-child, td:last-child{border-right:none;}
  tr:last-child td{border-bottom:none;}
  thead th{
    background:var(--stone-deep); padding:10px 6px; font-size:12.5px; font-weight:600;
    color:var(--sage-deep); text-align:center; position:sticky; top:0;
  }
  thead th.other-month{color:#a9a397; background:#EDE8DC;}
  thead th.today-col{background:var(--sage); color:white;}
  thead th.today-col .day-date{color:rgba(255,255,255,.85);}
  td.slot.today-col{background:#FAF5F0;}
  td.slot.today-col:hover{background:#F3EAE3;}
  .day-name{font-size:12.5px;}
  .day-date{font-size:11px; font-weight:500; color:var(--ink-soft); margin-top:1px;}
  thead th.other-month .day-date{color:#b7b1a2;}
  .time-col{
    width:76px; padding:0 8px; font-size:12px; color:var(--ink-soft);
    text-align:right; white-space:nowrap; background:var(--stone); font-variant-numeric:tabular-nums;
  }
  td.slot{padding:5px; height:58px; vertical-align:top; cursor:pointer; transition:background .1s ease;}
  td.slot:hover{background:#F8F6F0;}
  td.slot.other-month{background:#F7F4EE;}
  td.slot.other-month:hover{background:#F1ECE1;}
  .slot-inner{height:100%; border-radius:6px; padding:4px 6px; display:flex; flex-direction:column; gap:2px;}
  .other-month .slot-inner{opacity:.55;}
  .slot-instructor{font-size:12px; font-weight:600;}
  .slot-clients{
    font-size:11px; color:var(--ink-soft); line-height:1.25; overflow:hidden;
    display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical;
  }
  .slot-empty{font-size:12px; color:#b7b1a2; align-self:center; margin:auto;}
  .slot-inner.slot-full{border:2px solid var(--full-color);}
  .slot-full-badge{font-size:9.5px; font-weight:700; color:var(--full-color); text-transform:uppercase; letter-spacing:.03em; margin-top:1px;}

  footer.note{text-align:center; color:var(--ink-soft); font-size:11.5px; margin-top:20px;}

  /* ---------- lists (clienti/staff) ---------- */
  .list-card{background:transparent; border:none; padding:0;}

  .client-search-box{margin-bottom:12px; position:relative;}
  .client-search-box input{
    width:100%; padding:11px 40px 11px 14px; border:1px solid var(--line); border-radius:8px;
    font-size:14.5px; background:var(--white);
  }
  .client-search-box input:focus{outline:2px solid var(--accent); outline-offset:1px;}
  .search-clear-btn{
    position:absolute; right:8px; top:50%; transform:translateY(-50%);
    background:var(--stone-deep); border:none; border-radius:50%;
    width:24px; height:24px; color:var(--ink-soft); font-size:12px; cursor:pointer;
    display:flex; align-items:center; justify-content:center;
  }
  .search-clear-btn:hover{background:var(--line);}

  .add-client-details{margin-bottom:16px;}
  .add-client-details summary{
    cursor:pointer; font-size:13.5px; font-weight:600; color:var(--sage-deep);
    padding:10px 14px; background:var(--white); border:1px solid var(--line); border-radius:8px;
    list-style:none;
  }
  .add-client-details summary::-webkit-details-marker{display:none;}
  .add-client-details summary::marker{content:'';}
  .add-client-details[open] summary{border-radius:8px 8px 0 0; border-bottom:none;}
  .add-client-details .add-row{
    border:1px solid var(--line); border-top:none; border-radius:0 0 8px 8px;
    padding:12px 14px; margin:0; background:var(--white);
  }

  .client-card{
    background:var(--white); border:1px solid var(--line); border-radius:10px;
    margin-bottom:10px; overflow:hidden;
  }
  .client-card-header{
    display:flex; align-items:center; gap:10px; padding:13px 16px; cursor:pointer;
  }
  .client-card-header:hover{background:var(--stone);}
  .client-card-avatar{
    width:36px; height:36px; border-radius:50%; background:var(--stone-deep);
    color:var(--sage-deep); font-weight:700; font-size:14px;
    display:flex; align-items:center; justify-content:center; flex-shrink:0;
    position:relative;
  }
  .client-card-avatar svg{width:22px; height:22px;}
  .payment-dot{
    position:absolute; bottom:-1px; right:-1px; width:11px; height:11px;
    border-radius:50%; border:2px solid var(--white);
  }
  .payment-dot-pagato{background:#3E7A52;}
  .payment-dot-non_pagato{background:#a15c4c;}
  .payment-dot-in_attesa{background:#B08968;}
  .payment-dot-saldato_meta{background:#6E86A0;}
  .client-card-summary{flex:1; min-width:0;}
  .client-card-name{font-size:14.5px; font-weight:600; color:var(--ink); white-space:nowrap; overflow:hidden; text-overflow:ellipsis;}
  .client-card-meta{font-size:12px; color:var(--ink-soft); margin-top:2px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis;}
  .client-card-chevron{font-size:13px; color:var(--ink-soft); transition:transform .15s ease; flex-shrink:0;}
  .client-card.expanded .client-card-chevron{transform:rotate(180deg);}
  .client-card-body{
    max-height:0; overflow:hidden; opacity:0;
    padding:0 16px; border-top:none;
    transition:max-height .32s ease, opacity .22s ease, padding .32s ease;
  }
  .client-card.expanded .client-card-body{
    max-height:900px; opacity:1; padding:14px 16px 18px; border-top:1px solid var(--line);
  }

  .no-results{font-size:13.5px; color:var(--ink-soft); padding:20px 0; text-align:center;}
  .template-edit-box{
    border:1px solid var(--line); border-top:none; border-radius:0 0 8px 8px;
    padding:14px; background:var(--white);
  }
  .template-edit-box .clients-area{min-height:80px; margin-top:4px;}
  .template-edit-box .btn{margin-top:10px;}

  #pricingTable{min-width:820px;}
  #pricingTable td, #pricingTable th{text-align:left; padding:10px 12px; vertical-align:middle;}
  #pricingTable thead th{position:static;}
  .pricing-select{
    padding:6px 8px; border:1px solid var(--line); border-radius:6px; font-size:13px; background:var(--white);
  }
  .pricing-price{font-weight:700; color:var(--sage-deep); white-space:nowrap;}
  .pricing-count{color:var(--ink-soft); font-variant-numeric:tabular-nums;}
  .badge-pagato{color:#3E7A52; font-weight:600;}
  .badge-non_pagato{color:#a15c4c; font-weight:600;}
  .badge-in_attesa{color:#8A5A2E; font-weight:600;}
  .badge-saldato_meta{color:#6B8CA3; font-weight:600;}

  .stats-grid{
    display:grid; grid-template-columns:repeat(4, 1fr); gap:14px; margin-bottom:16px;
  }
  .stat-card{
    background:var(--white); border:1px solid var(--line); border-radius:10px;
    padding:16px; text-align:center;
  }
  .stat-card.highlight{background:var(--sage); border-color:var(--sage);}
  .stat-card.highlight .stat-value, .stat-card.highlight .stat-label{color:white;}
  .stat-value{font-family:'Newsreader',serif; font-size:28px; font-weight:600; color:var(--sage-deep);}
  .stat-label{font-size:12px; color:var(--ink-soft); margin-top:4px;}
  .estimate-box{
    background:#EFE6DC; border:1px solid var(--line); border-radius:8px;
    padding:12px 14px; font-size:13px; color:var(--ink-soft); margin-bottom:18px; line-height:1.6;
  }
  .estimate-box strong{color:var(--sage-deep);}
  .section-title{
    font-family:'Newsreader',serif; font-weight:600; font-size:19px; color:var(--sage-deep); margin:0 0 10px;
  }
  #billingTable, #staffHoursTable{min-width:640px;}
  #billingTable td, #billingTable th, #staffHoursTable td, #staffHoursTable th{
    text-align:left; padding:10px 12px;
  }
  .rate-input{width:80px; padding:6px 8px; border:1px solid var(--line); border-radius:6px; font-size:13px;}
  .billing-none{color:#b7b1a2; font-style:italic;}
  .chart-card{
    background:var(--white); border:1px solid var(--line); border-radius:10px;
    padding:18px; margin-bottom:16px;
  }
  .chart-card h3{
    font-family:'Newsreader',serif; font-size:17px; font-weight:600; color:var(--sage-deep); margin:0 0 12px;
  }
  #heatmapTable{min-width:600px;}
  .heatmap-cell{
    text-align:center; font-size:12px; font-weight:600; padding:10px 6px; color:white;
  }
  .heatmap-time{
    padding:8px; font-size:12px; color:var(--ink-soft); text-align:right; white-space:nowrap; background:var(--stone);
  }
  @media (max-width:760px){
    .stats-grid{grid-template-columns:repeat(2, 1fr);}
  }
  .client-card{
    background:var(--white); border:1px solid var(--line); border-radius:12px;
    padding:16px 18px; margin-bottom:14px;
  }
  .client-card-top{display:flex; gap:10px; flex-wrap:wrap; align-items:center; margin-bottom:12px;}
  .client-name-input{
    font-size:15px; font-weight:600; padding:8px 10px; border:1px solid var(--line);
    border-radius:6px; flex:1; min-width:140px;
  }
  .client-phone-input{padding:8px 10px; border:1px solid var(--line); border-radius:6px; flex:1; min-width:140px; font-size:14px;}

  .plan-row{
    display:flex; gap:14px; flex-wrap:wrap; margin-bottom:14px;
    padding:12px; background:var(--stone); border-radius:8px;
  }
  .plan-field{display:flex; flex-direction:column; gap:4px; flex:1; min-width:150px;}
  .plan-field label{font-size:11px; font-weight:600; color:var(--ink-soft); text-transform:uppercase; letter-spacing:.02em;}
  .plan-field input{padding:7px 9px; border:1px solid var(--line); border-radius:6px; font-size:13.5px; background:var(--white);}

  .staff-row{
    display:flex; align-items:center; gap:10px;
    padding:12px 0; border-bottom:1px solid var(--line);
  }
  .staff-row:last-child{border-bottom:none;}
  .row-fields{flex:1; display:flex; gap:10px; flex-wrap:wrap;}
  .row-fields input[type=text]{
    flex:1; min-width:140px; padding:8px 10px; border:1px solid var(--line);
    border-radius:6px; font-size:14px;
  }
  .color-swatch{width:26px; height:26px; border-radius:50%; border:2px solid var(--line); cursor:pointer; flex-shrink:0;}
  .remove-btn{background:none; border:none; color:#a15c4c; font-size:13px; cursor:pointer; padding:4px 6px; white-space:nowrap;}
  .add-row{display:flex; gap:8px; margin-top:16px; flex-wrap:wrap;}
  .add-row input{flex:1; min-width:140px; padding:9px 10px; border:1px solid var(--line); border-radius:6px; font-size:14px;}
  .add-row button{background:var(--sage); color:white; border:none; border-radius:6px; padding:9px 16px; font-size:14px; cursor:pointer;}
  .empty-note{font-size:13.5px; color:var(--ink-soft); padding:16px 0;}
  .recurring-label{font-size:11.5px; font-weight:600; color:var(--ink-soft); text-transform:uppercase; letter-spacing:.02em; margin-bottom:6px;}
  .recurring-chips{display:flex; flex-wrap:wrap; gap:6px; margin-bottom:12px;}
  .recurring-none{font-size:12.5px; color:#b7b1a2;}
  .recurring-chip{
    display:flex; align-items:center; gap:6px; background:var(--stone);
    border:1px solid var(--line); border-radius:999px; padding:5px 11px; font-size:12.5px; font-weight:500;
  }
  .recurring-chip .chip-remove{cursor:pointer; color:#a15c4c; font-size:11px;}
  .recurring-add-row{display:flex; gap:8px; flex-wrap:wrap; align-items:center; padding-top:10px; border-top:1px dashed var(--line);}
  .recurring-add-row select{padding:8px 10px; border:1px solid var(--line); border-radius:6px; font-size:13px;}
  .add-recurring-btn{background:var(--sage); color:white; border:none; border-radius:6px; padding:8px 16px; font-size:13px; font-weight:500; cursor:pointer;}
  .notes-area{min-height:70px; margin-top:6px;}
  .notes-area.auto-grow{overflow:hidden; resize:none; line-height:1.5;}
  .day-pills{display:flex; gap:5px;}
  .day-pill{
    background:var(--white); border:1px solid var(--line); border-radius:6px;
    padding:7px 10px; font-size:12.5px; font-weight:600; color:var(--ink-soft); cursor:pointer;
  }
  .day-pill.selected{background:var(--sage); border-color:var(--sage); color:white;}
  .status{font-size:12px; color:var(--ink-soft); margin-top:10px; min-height:16px;}

  /* ---------- reminder ---------- */
  .reminder-note{
    background:#EFE6DC; border:1px solid var(--line); border-radius:8px;
    padding:10px 12px; font-size:12.5px; color:var(--ink-soft); margin-bottom:16px;
  }
  .reminder-date{font-family:'Newsreader',serif; font-weight:600; font-size:18px; color:var(--sage-deep); margin-bottom:14px;}
  .reminder-item{
    display:flex; justify-content:space-between; align-items:center; gap:10px;
    padding:12px 0; border-bottom:1px solid var(--line);
  }
  .reminder-item:last-child{border-bottom:none;}
  .reminder-info{display:flex; flex-direction:column; gap:2px;}
  .reminder-name{font-size:14px; font-weight:600;}
  .reminder-time{font-size:12px; color:var(--ink-soft);}
  .reminder-nophone{font-size:11.5px; color:#a15c4c;}
  .wa-btn{
    background:var(--green); color:white; border:none; border-radius:6px;
    padding:8px 14px; font-size:13px; font-weight:500; cursor:pointer;
    text-decoration:none; white-space:nowrap;
  }
  .wa-btn:hover{background:#316342;}
  .wa-btn-sent{background:var(--stone-deep); color:var(--ink-soft);}
  .wa-btn-sent:hover{background:var(--line);}
  .reminder-sent-badge{
    display:inline-block; margin-top:3px; font-size:11.5px; font-weight:600; color:var(--full-color);
  }
  .seq-client-card{
    background:var(--stone); border:1px solid var(--line); border-radius:10px;
    padding:20px; text-align:center; margin:14px 0 6px;
  }
  .seq-client-name{font-family:'Newsreader',serif; font-size:22px; font-weight:600; color:var(--sage-deep);}
  .seq-client-time{font-size:13px; color:var(--ink-soft); margin-top:4px; margin-bottom:16px;}
  .seq-open-btn{
    background:var(--green); color:white; border:none; border-radius:8px;
    padding:13px 20px; font-size:14.5px; font-weight:600; cursor:pointer; width:100%;
  }
  .seq-open-btn:hover{background:#316342;}
  .seq-done{text-align:center; padding:20px 0; font-size:14.5px; color:var(--sage-deep); font-weight:600;}
  .seq-nophone{text-align:center; padding:10px 0; color:#a15c4c; font-size:13.5px;}

  /* ---------- slot edit modal (unchanged pattern) ---------- */
  .panel-overlay{
    position:fixed; inset:0; background:rgba(38,36,32,.35); display:none;
    align-items:center; justify-content:center; padding:20px; z-index:20;
  }
  .panel-overlay.open{display:flex;}
  .panel{background:var(--white); border-radius:12px; width:100%; max-width:420px; padding:24px; max-height:85vh; overflow-y:auto;}
  .panel h2{font-family:'Newsreader',serif; font-size:22px; margin:0 0 4px; color:var(--sage-deep); font-weight:600;}
  .panel .subtitle{font-size:13px; color:var(--ink-soft); margin:0 0 16px;}
  .confirm-message{white-space:pre-line; line-height:1.5; font-size:13.5px;}
  .field-label{font-size:12.5px; font-weight:600; color:var(--ink-soft); margin:14px 0 6px; display:block;}
  select.instructor-select{
    width:100%; padding:9px 10px; border:1px solid var(--line); border-radius:6px; font-size:14px; background:var(--white);
  }
  textarea.clients-area{
    width:100%; min-height:110px; padding:9px 10px; border:1px solid var(--line);
    border-radius:6px; font-size:14px; resize:vertical;
  }
  .hint{font-size:11.5px; color:var(--ink-soft); margin-top:5px;}
  .auto-clients-box{
    background:var(--stone); border:1px solid var(--line); border-radius:6px;
    padding:9px 10px; font-size:13.5px; color:var(--ink); min-height:20px;
    display:flex; flex-wrap:wrap; gap:6px;
  }
  .auto-clients-box.empty{color:#b7b1a2; font-style:italic; display:block;}
  .auto-client-chip{
    display:flex; align-items:center; gap:6px; background:var(--white);
    border:1px solid var(--line); border-radius:999px; padding:4px 10px 4px 12px; font-size:13px;
  }
  .auto-client-chip .chip-remove{cursor:pointer; color:#a15c4c; font-size:11px;}
  .auto-client-chip.skipped{
    background:transparent; border:1px dashed #c9a89f; color:#a15c4c; text-decoration:line-through;
  }
  .auto-client-chip.skipped .chip-remove{text-decoration:none;}
  .slot-capacity-info{
    font-size:12.5px; font-weight:600; margin-top:8px; padding:8px 10px;
    border-radius:6px; background:var(--stone); color:var(--ink-soft);
  }
  .slot-capacity-info.warning{background:#F3E0DC; color:#7a3428;}
  .panel-footer{display:flex; justify-content:space-between; align-items:center; margin-top:20px;}
  .close-btn{background:var(--stone-deep); border:none; padding:9px 16px; border-radius:6px; font-size:14px; cursor:pointer; color:var(--ink);}
  .primary-btn{background:var(--sage); color:white; border:none; padding:9px 16px; border-radius:6px; font-size:14px; cursor:pointer;}

  /* ---------- MOBILE ---------- */
  .mobile-topbar{display:none;}
  /* ---------- TABLET (menu a scomparsa con bottone hamburger) ---------- */
  .hamburger-btn{
    display:none; background:none; border:none; font-size:22px; color:var(--sage-deep);
    cursor:pointer; padding:4px 8px 4px 0; line-height:1;
  }
  .sidebar-backdrop{
    display:none; position:fixed; inset:0; background:rgba(38,36,32,.4); z-index:25;
  }
  @media (min-width: 761px) and (max-width: 1366px){
    #appShell.visible{flex-direction:column;}
    .hamburger-btn{display:inline-block;}
    .mobile-topbar{
      display:flex; align-items:center; gap:10px;
      padding:14px 18px; background:var(--white); border-bottom:1px solid var(--line);
      position:sticky; top:0; z-index:10;
    }
    .mobile-topbar img{height:32px;}
    .mobile-topbar span{font-family:'Newsreader',serif; font-weight:600; color:var(--sage-deep); font-size:17px;}

    .sidebar{
      position:fixed; top:0; left:0; height:100vh; width:240px;
      transform:translateX(-100%); transition:transform .22s ease;
      z-index:30; box-shadow:4px 0 20px rgba(38,36,32,.15);
      padding:20px 16px;
    }
    .sidebar.open{transform:translateX(0);}
    .sidebar-backdrop.open{display:block;}
    .sidebar-brand{display:flex; flex-direction:row; gap:10px; padding:0 6px 20px; margin-bottom:10px;}
    .sidebar-brand span{display:inline; font-size:16px;}
    .nav-item{flex-direction:row; gap:10px; text-align:left; padding:11px 12px; width:auto;}
    .nav-item .nav-icon{font-size:17px; width:20px;}
    .nav-item .nav-label{font-size:14px;}
    .logout-btn{font-size:13px; padding:9px;}

    .content{padding:22px 22px 40px;}
    .view-header h2{font-size:23px;}
    .view-actions .btn{padding:10px 14px; font-size:13px;}

    table{min-width:100%;}
    .time-col{width:64px; font-size:11px;}
    thead th{padding:9px 4px;}
    td.slot{height:64px;}
    .slot-instructor{font-size:12.5px;}
    .slot-clients{font-size:11.5px;}

    .plan-row{gap:10px;}
    .plan-field{min-width:130px;}
    .client-card-header{padding:15px 16px;}
  }

  @media (max-width: 760px){
    .hamburger-btn{display:none !important;}

    #appShell.visible{flex-direction:column;}
    .sidebar{
      position:fixed; bottom:0; left:0; right:0; top:auto;
      width:100%; height:auto; flex-direction:row;
      padding:6px 6px calc(6px + env(safe-area-inset-bottom));
      border-right:none; border-top:1px solid var(--line);
      z-index:15; justify-content:space-between;
    }
    .sidebar-brand, .sidebar-footer{display:none;}
    .nav-item{
      flex-direction:column; gap:3px; flex:1; text-align:center;
      padding:8px 4px; margin-bottom:0; border-radius:10px;
    }
    .nav-item .nav-icon{font-size:19px; width:auto;}
    .nav-item span.nav-label{font-size:10.5px;}

    .mobile-topbar{
      display:flex; align-items:center; gap:10px;
      padding:14px 16px; background:var(--white); border-bottom:1px solid var(--line);
      position:sticky; top:0; z-index:10;
    }
    .mobile-topbar img{height:30px;}
    .mobile-topbar span{font-family:'Newsreader',serif; font-weight:600; color:var(--sage-deep); font-size:16px;}

    .content{padding:18px 14px 90px;}
    .view-header{flex-direction:column; align-items:stretch;}
    .view-actions{width:100%;}
    .view-actions .btn{flex:1;}
    .row-fields{flex-direction:column;}
    .add-row{flex-direction:column;}
    .reminder-item{flex-direction:column; align-items:flex-start; gap:8px;}
    .wa-btn{width:100%; text-align:center;}
  }