/* Espresso Blue Book — Shared Design System */
/* Include on every page: <link rel="stylesheet" href="ebb-styles.css"> */

  :root {
    --bg:#f0f6fb;--surface:#ffffff;--surface2:#e8f2f9;--surface3:#dceef7;
    --border:#b8d4e8;--border-light:#cde3f0;
    --text:#1a2e3d;--text-dim:#3d607a;--text-muted:#7a9eb5;
    --accent:#1a6fa8;--accent-dim:#2e8fcf;--accent-glow:rgba(26,111,168,0.10);
    --green:#1e8a5e;--green-dim:rgba(30,138,94,0.10);
    --yellow:#b07d10;--yellow-dim:rgba(176,125,16,0.12);
    --red:#c0392b;--red-dim:rgba(192,57,43,0.10);
    --s0:#1a6fa8;--s0l:rgba(26,111,168,0.18);
    --s1:#1e8a5e;--s1l:rgba(30,138,94,0.18);
    --s2:#7952a8;--s2l:rgba(121,82,168,0.18);
    --s3:#b07d10;--s3l:rgba(176,125,16,0.18);
    --s4:#2e8fcf;--s4l:rgba(46,143,207,0.18);
  }
  *{box-sizing:border-box;margin:0;padding:0;}
  body{background:var(--bg);color:var(--text);font-family:'IBM Plex Sans',sans-serif;font-size:16px;font-weight:300;min-height:100vh;}
  body::before{content:'';position:fixed;inset:0;background:linear-gradient(160deg,#e8f4fd 0%,#f0f6fb 50%,#e4eff8 100%);pointer-events:none;z-index:-1;}

  /* ── HEADER ── */
  header{border-bottom:1px solid var(--border);padding:24px 48px;display:flex;align-items:center;justify-content:space-between;background:rgba(240,246,251,0.97);backdrop-filter:blur(8px);position:sticky;top:0;z-index:100;}
  .logo-area h1{font-family:'Playfair Display',serif;font-size:24px;font-weight:900;color:var(--text);line-height:1;}
  .logo-area h1 a{color:inherit;text-decoration:none;}
  .logo-area h1 span{color:var(--accent);}
  .logo-area p{font-family:'IBM Plex Sans',sans-serif;font-size:12px;color:var(--text-muted);letter-spacing:1px;text-transform:uppercase;margin-top:4px;}

  /* ── DESKTOP NAV ── */
  .nav-tabs{display:flex;border:1px solid var(--border);}
  .nav-tab{font-family:'IBM Plex Sans',sans-serif;font-size:13px;letter-spacing:0.3px;text-transform:uppercase;padding:10px 18px;cursor:pointer;color:#111;background:var(--surface);border:none;border-right:1px solid var(--border);transition:all 0.15s;text-decoration:none;display:flex;align-items:center;}
  .nav-tab:last-child{border-right:none;}
  .nav-tab:hover{color:#000;background:var(--surface2);}
  .nav-tab.active{color:var(--accent);background:var(--surface2);font-weight:600;}

  /* ── HAMBURGER NAV (mobile only) ── */
  .nav-hamburger{display:none;background:none;border:1px solid var(--border);padding:9px 11px;cursor:pointer;color:var(--text);flex-shrink:0;}
  .nav-hamburger svg{display:block;}
  .nav-mobile-menu{display:none;position:fixed;top:0;left:0;right:0;background:var(--surface);border-bottom:2px solid var(--border);z-index:9999;box-shadow:0 6px 20px rgba(0,0,0,0.12);}
  .nav-mobile-menu.open{display:block;}
  .nav-mobile-menu a{display:block;padding:16px 20px;font-family:'IBM Plex Sans',sans-serif;font-size:16px;color:#111;text-decoration:none;border-bottom:1px solid var(--border-light);letter-spacing:0.3px;}
  .nav-mobile-menu a:last-child{border-bottom:none;}
  .nav-mobile-menu a:hover{background:var(--surface2);}
  .nav-mobile-menu a.active{color:var(--accent);font-weight:600;background:var(--surface2);}

  /* ── LAYOUT ── */
  .main{max-width:1280px;margin:0 auto;padding:36px 48px 80px;}
  .page-header{margin-bottom:32px;}
  .page-header h2{font-family:'Playfair Display',serif;font-size:30px;font-weight:900;}
  .page-header p{font-family:'IBM Plex Sans',sans-serif;font-size:14px;color:var(--text-muted);letter-spacing:1px;text-transform:uppercase;margin-top:5px;}
  .section-label{font-family:'IBM Plex Sans',sans-serif;font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--text-muted);margin-bottom:14px;display:flex;align-items:center;gap:12px;}
  .section-label::after{content:'';flex:1;height:1px;background:var(--border);}

  .estimator-grid{display:grid;grid-template-columns:480px 1fr;gap:28px;align-items:start;}
  .right-col{}

  /* ── CARDS ── */
  .card{background:var(--surface);border:1px solid var(--border);padding:24px;margin-bottom:16px;}
  .card-title{font-family:'Playfair Display',serif;font-size:18px;font-weight:700;color:var(--text);margin-bottom:4px;}
  .card-sub{font-family:'IBM Plex Sans',sans-serif;font-size:12px;color:var(--text-muted);letter-spacing:1px;text-transform:uppercase;margin-bottom:18px;}

  /* ── FIELDS ── */
  .field{margin-bottom:14px;}
  .field label{display:block;font-family:'IBM Plex Sans',sans-serif;font-size:13px;letter-spacing:0.5px;text-transform:uppercase;color:var(--text-dim);margin-bottom:6px;font-weight:600;}
  .field input[type="number"],.field select{width:100%;padding:10px 12px;border:1px solid var(--border);background:var(--surface);color:var(--text);font-family:'IBM Plex Sans',sans-serif;font-size:15px;font-weight:400;outline:none;transition:border-color 0.15s;-moz-appearance:textfield;line-height:1.4;}
  .field input:focus,.field select:focus{border-color:var(--accent);background:var(--surface);}
  .field input::-webkit-outer-spin-button,.field input::-webkit-inner-spin-button{-webkit-appearance:none;}
  .prefix-wrap{display:flex;align-items:center;gap:6px;}
  .prefix-wrap .prefix{font-family:'IBM Plex Sans',sans-serif;font-size:15px;color:var(--accent);font-weight:700;flex-shrink:0;}
  .prefix-wrap input[type="number"]{flex:1;min-width:0;}
  .field-row{display:grid;grid-template-columns:1fr 1fr;gap:11px;}
  .field-note{font-family:'IBM Plex Sans',sans-serif;font-size:13px;color:var(--text-muted);margin-top:4px;line-height:1.5;}

  /* ── SLIDER ── */
  .slider-wrap{margin-bottom:13px;}
  .slider-wrap label{display:flex;justify-content:space-between;align-items:baseline;font-family:'IBM Plex Sans',sans-serif;font-size:13px;letter-spacing:0.5px;text-transform:uppercase;color:var(--text-dim);margin-bottom:7px;}
  .slider-wrap label .val{font-size:15px;font-weight:500;color:var(--accent);letter-spacing:0;}
  input[type="range"]{width:100%;-webkit-appearance:none;height:4px;background:var(--border);outline:none;cursor:pointer;}
  input[type="range"]::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;background:var(--accent);cursor:pointer;border:2px solid var(--surface);box-shadow:0 0 0 1px var(--accent);}
  .slider-range-labels{display:flex;justify-content:space-between;font-family:'IBM Plex Sans',sans-serif;font-size:12px;color:var(--text-muted);margin-top:3px;}

  /* ── ALERTS ── */
  .alert{padding:10px 14px;font-family:'IBM Plex Sans',sans-serif;font-size:14px;line-height:1.6;margin-top:7px;border-left:3px solid;display:none;}
  .alert.green{background:var(--green-dim);border-color:var(--green);color:var(--green);display:block;}
  .alert.yellow{background:var(--yellow-dim);border-color:var(--yellow);color:var(--yellow);display:block;}
  .alert.red{background:var(--red-dim);border-color:var(--red);color:var(--red);display:block;}
  .callout{padding:10px 14px;background:var(--yellow-dim);border-left:3px solid var(--yellow);margin-top:10px;font-family:'IBM Plex Sans',sans-serif;font-size:14px;color:var(--yellow);line-height:1.6;}

  /* ── STEPPER ── */
  .stepper{display:flex;align-items:center;border:1px solid var(--border);width:fit-content;}
  .stepper button{width:36px;height:36px;background:var(--surface2);border:none;font-size:16px;color:var(--text-dim);cursor:pointer;font-family:'IBM Plex Sans',sans-serif;transition:background 0.1s;display:flex;align-items:center;justify-content:center;}
  .stepper button:hover{background:var(--surface3);}
  .stepper input{width:56px;text-align:center;border:none;border-left:1px solid var(--border);border-right:1px solid var(--border);padding:0;height:36px;font-family:'IBM Plex Sans',sans-serif;font-size:15px;color:var(--text);background:var(--surface);outline:none;-moz-appearance:textfield;}
  .stepper input::-webkit-outer-spin-button,.stepper input::-webkit-inner-spin-button{-webkit-appearance:none;}
  .hours-row{display:flex;align-items:center;gap:12px;margin-bottom:9px;flex-wrap:wrap;}
  .hours-row .label{font-family:'IBM Plex Sans',sans-serif;font-size:13px;color:var(--text-dim);letter-spacing:0.5px;text-transform:uppercase;width:70px;}

  /* ── DAY TOGGLE TILES ── */
  .day-toggles{display:flex;gap:5px;flex-wrap:wrap;margin-bottom:16px;}
  .day-toggle{cursor:pointer;position:relative;}
  .day-toggle input{display:none;}
  .day-toggle-btn{
    width:52px;height:52px;display:flex;flex-direction:column;align-items:center;justify-content:center;
    border:1px solid var(--border);background:var(--surface2);
    font-family:'IBM Plex Sans',sans-serif;font-size:12px;letter-spacing:0.5px;text-transform:uppercase;
    color:var(--text-muted);cursor:pointer;transition:all 0.15s;user-select:none;position:relative;overflow:hidden;
  }
  .day-toggle input:checked+.day-toggle-btn{background:var(--accent);border-color:var(--accent);color:white;font-weight:600;}
  .day-toggle-btn:hover{border-color:var(--accent);color:var(--accent);}
  .day-toggle input:checked+.day-toggle-btn:hover{opacity:0.88;color:white;}
  .day-toggle input:not(:checked)+.day-toggle-btn{background:#e8eef4;border-color:#c8d8e4;color:#9db5c8;}
  .day-toggle input:not(:checked)+.day-toggle-btn::before,
  .day-toggle input:not(:checked)+.day-toggle-btn::after{
    content:'';position:absolute;width:140%;height:1.5px;background:rgba(192,57,43,0.45);left:-20%;top:50%;
  }
  .day-toggle input:not(:checked)+.day-toggle-btn::before{transform:rotate(38deg);}
  .day-toggle input:not(:checked)+.day-toggle-btn::after{transform:rotate(-38deg);}

  /* ── SCHEDULE TABLE ── */
  .schedule-grid{display:flex;flex-direction:column;border:1px solid var(--border);}
  .schedule-row{display:grid;grid-template-columns:100px 1fr 1fr 56px;border-bottom:1px solid var(--border-light);align-items:center;}
  .schedule-row:last-child{border-bottom:none;}
  .schedule-row.header{background:var(--surface2);font-family:'IBM Plex Sans',sans-serif;font-size:12px;letter-spacing:1px;text-transform:uppercase;color:var(--text-muted);}
  .schedule-cell{padding:8px 10px;font-family:'IBM Plex Sans',sans-serif;font-size:14px;color:var(--text-dim);border-right:1px solid var(--border-light);}
  .schedule-cell:last-child{border-right:none;}
  .schedule-cell.day-name{font-weight:500;color:var(--text);}
  .schedule-cell select{width:100%;border:none;background:transparent;font-family:'IBM Plex Sans',sans-serif;font-size:14px;color:var(--text);outline:none;cursor:pointer;padding:0;}
  .schedule-cell.hours{color:var(--accent);font-weight:500;font-size:13px;}
  .closed-row-cell{font-family:'IBM Plex Sans',sans-serif;font-size:13px;color:#9db5c8;letter-spacing:0.5px;padding:8px 10px;}

  .copy-btn{font-family:'IBM Plex Sans',sans-serif;font-size:13px;letter-spacing:0.5px;text-transform:uppercase;padding:8px 16px;border:1px solid var(--accent);background:transparent;color:var(--accent);cursor:pointer;transition:all 0.15s;margin-bottom:9px;}
  .copy-btn:hover{background:var(--accent-glow);}

  /* ── SPH GRID ── */
  .sph-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:1px;background:var(--border);border:1px solid var(--border);}
  .sph-cell{background:var(--surface);padding:8px 4px;text-align:center;font-family:'IBM Plex Sans',sans-serif;}
  .sph-cell .day-label{font-size:12px;color:var(--text-muted);text-transform:uppercase;margin-bottom:2px;}
  .sph-cell .sph-val{font-size:13px;font-weight:500;color:var(--accent);}
  .sph-cell .sph-sub{font-size:12px;color:var(--text-dim);margin-top:1px;}

  /* ── SHIFT TIMELINE BUILDER ── */
  .shift-builder{margin-top:4px;}
  .shift-builder-info{font-family:'IBM Plex Sans',sans-serif;font-size:14px;color:var(--text-dim);line-height:1.6;margin-bottom:14px;padding:10px 14px;background:var(--surface2);border-left:3px solid var(--accent);}
  .shift-builder-info strong{color:var(--text);}
  .rush-banner{background:var(--yellow-dim);border:1px solid var(--yellow);padding:10px 14px;font-family:'IBM Plex Sans',sans-serif;font-size:14px;color:var(--yellow);margin-bottom:12px;line-height:1.5;}
  .timeline-wrap{overflow-x:auto;padding-bottom:4px;}
  .timeline{min-width:540px;position:relative;}
  .time-axis{display:flex;border-bottom:1px solid var(--border);margin-bottom:0;position:relative;}
  .time-axis-spacer{width:24px;flex-shrink:0;}
  .time-slots-header{flex:1;display:flex;position:relative;}
  .time-slot-label{font-family:'IBM Plex Sans',sans-serif;font-size:11px;color:var(--text-muted);text-align:center;position:absolute;transform:translateX(-50%);top:3px;white-space:nowrap;}
  .shift-rows{position:relative;}
  .shift-row{display:flex;align-items:center;border-bottom:1px solid var(--border-light);min-height:36px;position:relative;}
  .shift-row:last-child{border-bottom:none;}
  .shift-row-label{width:24px;flex-shrink:0;font-family:'IBM Plex Sans',sans-serif;font-size:12px;color:var(--text-muted);text-align:center;padding-top:2px;}
  .shift-row-track{flex:1;position:relative;height:36px;cursor:crosshair;}
  .hour-line{position:absolute;top:0;bottom:0;width:1px;background:var(--border-light);pointer-events:none;}
  .rush-zone{position:absolute;top:0;bottom:0;background:rgba(176,125,16,0.07);pointer-events:none;}
  .shift-block{
    position:absolute;top:4px;bottom:4px;
    border-radius:2px;cursor:pointer;
    display:flex;align-items:center;justify-content:center;
    font-family:'IBM Plex Sans',sans-serif;font-size:12px;font-weight:500;
    letter-spacing:0.3px;user-select:none;
    transition:opacity 0.1s;overflow:hidden;white-space:nowrap;
    border:1px solid transparent;
  }
  .shift-block:hover{opacity:0.82;}
  .shift-block .shift-label{padding:0 6px;pointer-events:none;}
  .add-shift-row{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:10px;}
  .shift-select{font-family:'IBM Plex Sans',sans-serif;font-size:14px;padding:6px 10px;border:1px solid var(--border);background:var(--bg);color:var(--text);outline:none;cursor:pointer;}
  .add-shift-btn{font-family:'IBM Plex Sans',sans-serif;font-size:13px;letter-spacing:0.5px;text-transform:uppercase;padding:6px 14px;border:1px solid var(--accent);background:transparent;color:var(--accent);cursor:pointer;transition:all 0.1s;}
  .add-shift-btn:hover{background:var(--accent-glow);}
  .clear-shifts-btn{font-family:'IBM Plex Sans',sans-serif;font-size:13px;letter-spacing:0.5px;text-transform:uppercase;padding:6px 12px;border:1px solid var(--border);background:transparent;color:var(--text-muted);cursor:pointer;transition:all 0.1s;}
  .clear-shifts-btn:hover{border-color:var(--red);color:var(--red);}
  .shift-summary{margin-top:10px;padding:10px 14px;background:var(--surface2);border:1px solid var(--border);font-family:'IBM Plex Sans',sans-serif;font-size:13px;color:var(--text-dim);display:flex;gap:20px;flex-wrap:wrap;}
  .shift-summary-item .sv{font-size:16px;font-weight:500;color:var(--text);display:block;}
  .shift-summary-item .sl{font-size:12px;color:var(--text-muted);text-transform:uppercase;letter-spacing:0.5px;}

  /* ── CHECK ── */
  .check-field{display:flex;align-items:center;gap:10px;margin-bottom:11px;cursor:pointer;}
  .check-field input[type="checkbox"]{width:18px;height:18px;accent-color:var(--accent);cursor:pointer;}
  .check-field span{font-family:'IBM Plex Sans',sans-serif;font-size:14px;color:var(--text-dim);}

  /* ── TECH CHIPS ── */
  .tech-chips{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:9px;}
  .tech-chip{font-family:'IBM Plex Sans',sans-serif;font-size:13px;letter-spacing:0.5px;text-transform:uppercase;padding:6px 12px;border:1px solid var(--border);background:var(--surface2);color:var(--text-muted);cursor:pointer;transition:all 0.15s;user-select:none;}
  .tech-chip.selected{background:var(--accent-glow);border-color:var(--accent);color:var(--accent);}

  /* ── P&L / RESULTS ── */
  .metric-block{padding:14px 16px;border-bottom:1px solid var(--border-light);}
  .metric-block:last-child{border-bottom:none;}
  .metric-label{font-family:'IBM Plex Sans',sans-serif;font-size:13px;letter-spacing:1px;text-transform:uppercase;color:var(--text-muted);margin-bottom:4px;font-weight:600;}
  .metric-val{font-family:'Playfair Display',serif;font-size:22px;font-weight:900;color:var(--text);line-height:1.1;}
  .metric-val.accent{color:var(--accent);}
  .pnl-table{width:100%;border-collapse:collapse;}
  .pnl-table tr{border-bottom:1px solid var(--border-light);}
  .pnl-table tr:last-child{border-bottom:none;}
  .pnl-table td{padding:8px 12px;font-family:'IBM Plex Sans',sans-serif;font-size:14px;color:var(--text-dim);}
  .pnl-table td:nth-child(2),.pnl-table td:nth-child(3){text-align:right;font-weight:500;color:var(--text);white-space:nowrap;min-width:82px;}
  .pnl-table td:nth-child(3){color:var(--text-muted);font-weight:400;}
  .pnl-table tr.total td{font-weight:600;color:var(--text);background:var(--surface2);font-size:13px;}
  .pnl-table tr.profit td{background:var(--green-dim);}
  .pnl-table tr.profit td:nth-child(2),.pnl-table tr.profit td:nth-child(3){color:var(--green);}
  .pnl-table tr.loss td{background:var(--red-dim);}
  .pnl-table tr.loss td:nth-child(2),.pnl-table tr.loss td:nth-child(3){color:var(--red);}
  .pnl-table tr.section-head td{background:var(--surface2);font-size:12px;letter-spacing:1px;text-transform:uppercase;color:var(--text-muted);padding:5px 12px;font-weight:600;}
  .pnl-table tr.col-head td{background:var(--surface3);font-size:12px;letter-spacing:1px;text-transform:uppercase;color:var(--text-muted);padding:6px 12px;font-weight:600;}
  .pnl-pct{font-size:12px;color:var(--text-muted);margin-left:3px;}
  .blind-item{font-family:'IBM Plex Sans',sans-serif;font-size:14px;color:var(--text-dim);padding:10px 14px;border-left:3px solid var(--accent);line-height:1.8;margin-bottom:6px;background:var(--surface);}
  .blind-item strong{color:var(--text);font-size:15px;display:block;margin-bottom:2px;}

  /* ── TABLET: 980px and below ── */
  @media(max-width:980px){
    .estimator-grid{grid-template-columns:1fr;}
    header{padding:18px 20px;flex-direction:column;gap:14px;align-items:flex-start;}
    .main{padding:22px 18px 60px;}
    .planner-grid{grid-template-columns:1fr;}
    .gear-col{padding-right:0;}
  }

  /* ── MOBILE: 640px and below ── */
  @media(max-width:640px){
    /* Header — row layout with hamburger */
    header{padding:14px 16px;flex-direction:row;align-items:center;justify-content:space-between;gap:0;position:relative;}
    .logo-area h1{font-size:20px;}
    .logo-area p{font-size:11px;}

    /* Hide desktop nav, show hamburger */
    .nav-tabs{display:none;}
    .nav-hamburger{display:flex;align-items:center;justify-content:center;}

    /* Layout */
    .main{padding:16px 14px 60px;}
    .page-header{margin-bottom:20px;}
    .page-header h2{font-size:24px;}

    /* Cards */
    .card{padding:16px;}

    /* Fields */
    .field input[type="number"],.field select{padding:12px;font-size:16px;}
    .field-row{grid-template-columns:1fr;}

    /* Stepper */
    .stepper button{width:40px;height:40px;}
    .stepper input{height:40px;width:56px;}

    /* Day toggles */
    .day-toggles{gap:4px;}
    .day-toggle-btn{width:44px;height:44px;font-size:11px;}

    /* Schedule grid */
    .schedule-row{grid-template-columns:80px 1fr 1fr 44px;}

    /* Metric values */
    .metric-val{font-size:20px;}

    /* P&L table */
    .pnl-table td{padding:6px 8px;font-size:13px;}

    /* SPH grid */
    .sph-grid{grid-template-columns:repeat(4,1fr);}

    /* Timeline */
    .timeline-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;}

    /* Concept builder */
    .venue-group{grid-template-columns:1fr 1fr;}
    .budget-scale{grid-template-columns:repeat(2,1fr);}
    .price-strip{grid-template-columns:1fr;}
    .proceed-wrap{flex-direction:column;align-items:flex-start;}

    /* Equipment planner */
    .tier-selector{grid-template-columns:1fr 1fr 1fr;}
    .gear-price-display{font-size:15px;}
  }

  /* ── SMALL PHONES: 375px and below ── */
  @media(max-width:375px){
    .day-toggle-btn{width:38px;height:38px;}
    .sph-grid{grid-template-columns:repeat(4,1fr);}
    .tier-selector{grid-template-columns:1fr 1fr 1fr;}
  }