/* Expert X — design system (from REFERENCE-expert-x-design.html, extended). */
:root{
  --bg:#f7f7f9; --white:#fff; --ink:#101322; --muted:#6b7280;
  --accent:#2f1fff; --accent-ink:#241bcf; --al:#ededff; --al2:#f4f3ff;
  --border:#e5e7eb; --border2:#eef0f3;
  --g-bg:#dcfce7; --g-ink:#16a34a; --y-bg:#fef9c3; --y-ink:#ca8a04; --n-bg:#eef0f3; --n-ink:#6b7280;
  --shadow:0 1px 4px rgba(16,19,34,.07); --shadow-lg:0 8px 32px rgba(16,19,34,.14);
  --r:10px; --r-sm:7px; --r-lg:14px;
  --maxw:1080px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{font-family:"Inter",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--ink);line-height:1.5;font-size:15px;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}
h1,h2,h3,h4{letter-spacing:-.3px;color:var(--ink)}

/* ---- Buttons ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--accent);color:#fff;padding:10px 22px;border-radius:8px;font-size:14px;font-weight:600;border:none;cursor:pointer;transition:opacity .15s,background .15s;text-decoration:none;line-height:1.2}
.btn:hover{opacity:.88;text-decoration:none;color:#fff}
.btn-ghost{background:none;color:var(--accent);border:1.5px solid var(--accent)}
.btn-ghost:hover{background:var(--al);opacity:1}
.btn-sm{padding:7px 15px;font-size:13px}
.btn-lg{padding:13px 28px;font-size:15px}
.btn-block{display:flex;width:100%}
.btn-danger{background:none;color:#b91c1c;border:1.5px solid #fca5a5}
.btn-danger:hover{background:#fef2f2;color:#b91c1c}
.btn-quiet{background:var(--al2);color:var(--accent-ink);border:1px solid var(--border)}
.btn-quiet:hover{background:var(--al);opacity:1}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.linkbtn{background:none;border:none;color:var(--muted);font:inherit;font-size:14px;cursor:pointer;padding:0}
.linkbtn:hover{color:var(--ink);text-decoration:underline}

/* ---- Nav ---- */
nav.site{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 32px;background:var(--white);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:20}
.logo{font-size:19px;font-weight:800;letter-spacing:-.5px;color:var(--ink);white-space:nowrap}
.logo:hover{text-decoration:none}
.logo em{color:var(--accent);font-style:normal}
nav.site .links{display:flex;gap:26px;list-style:none;font-size:14px;color:var(--muted);align-items:center}
nav.site .links a{color:var(--muted)}
nav.site .links a:hover{color:var(--ink);text-decoration:none}
nav.site .right{display:flex;gap:10px;align-items:center}
.userchip{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--muted)}
.userchip .av{width:32px;height:32px;font-size:12px}
.userchip b{color:var(--ink);font-weight:600}
.role-tag{font-size:11px;text-transform:uppercase;letter-spacing:.05em;background:var(--al);color:var(--accent);padding:2px 7px;border-radius:5px;font-weight:700}

/* ---- Layout ---- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:44px 0}
main{min-height:60vh}
.lbl{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:14px}
.muted{color:var(--muted)}
.center{text-align:center}
.mt-0{margin-top:0}.mt-1{margin-top:8px}.mt-2{margin-top:16px}.mt-3{margin-top:24px}.mt-4{margin-top:32px}
.mb-2{margin-bottom:16px}.mb-3{margin-bottom:24px}
.row-between{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.stack{display:flex;flex-direction:column;gap:16px}

/* ---- Hero ---- */
.hero{text-align:center;padding:76px 20px 40px;max-width:680px;margin:auto}
.hero .eyebrow{display:inline-block;font-size:12px;font-weight:600;letter-spacing:.04em;color:var(--accent);background:var(--al);padding:5px 12px;border-radius:20px;margin-bottom:20px}
.hero h1{font-size:46px;font-weight:800;line-height:1.08;letter-spacing:-.8px;margin-bottom:16px}
.hero h1 em{color:var(--accent);font-style:normal}
.hero p{font-size:17px;color:var(--muted);margin-bottom:30px}
.hero-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
@media(max-width:560px){.hero h1{font-size:34px}}

/* ---- Cards & grids ---- */
.cards{display:grid;gap:16px}
.col2{grid-template-columns:repeat(2,1fr)}
.col3{grid-template-columns:repeat(3,1fr)}
.col4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--white);border:1px solid var(--border);border-radius:var(--r);padding:20px;box-shadow:var(--shadow)}
.card.pad-lg{padding:28px}
.expert-card{display:flex;flex-direction:column;gap:12px;transition:box-shadow .15s,transform .15s}
.expert-card:hover{box-shadow:var(--shadow-lg)}
.expert-card .top{display:flex;gap:14px;align-items:flex-start}
.av{width:52px;height:52px;border-radius:50%;background:var(--al);display:flex;align-items:center;justify-content:center;font-weight:700;color:var(--accent);font-size:17px;flex-shrink:0}
.av.lg{width:76px;height:76px;font-size:26px}
.em h3{font-size:15px;font-weight:600;margin-bottom:4px}
.em h3 a{color:var(--ink)}
.tag{font-size:12px;background:var(--al);color:var(--accent);padding:2px 9px;border-radius:5px;display:inline-block;font-weight:500}
.price{font-size:14px;color:var(--muted)}.price strong{color:var(--ink);font-weight:700}
.verified{display:inline-flex;align-items:center;gap:4px;font-size:12px;color:var(--g-ink);font-weight:600}
.card-links{display:flex;gap:10px;margin-top:4px;align-items:center}

/* ---- Stats ---- */
.stat{text-align:left}
.stat .num{font-size:28px;font-weight:800;color:var(--ink);margin-bottom:2px;letter-spacing:-.5px}
.stat .num.accent{color:var(--accent)}
.stat .name{font-size:13px;color:var(--muted)}
.badge{display:inline-block;font-size:12px;padding:2px 8px;border-radius:5px;margin-top:8px;font-weight:600}
.g{background:var(--g-bg);color:var(--g-ink)} .y{background:var(--y-bg);color:var(--y-ink)} .n{background:var(--n-bg);color:var(--n-ink)}

/* ---- Tables ---- */
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:14px}
th{text-align:left;padding:11px 12px;color:var(--muted);font-weight:500;border-bottom:2px solid var(--border);white-space:nowrap;font-size:13px}
td{padding:12px;border-bottom:1px solid var(--border);vertical-align:middle}
tr:last-child td{border-bottom:none}
td .sub{font-size:12px;color:var(--muted)}
.pill{display:inline-block;font-size:12px;padding:3px 10px;border-radius:20px;font-weight:600;white-space:nowrap}

/* ---- Forms ---- */
.fg{margin-bottom:15px}
.fg label{display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:5px}
.fg .hint{font-size:12px;color:var(--muted);margin-top:5px;font-weight:400}
.fg input,.fg select,.fg textarea{width:100%;border:1px solid var(--border);border-radius:var(--r-sm);padding:10px 12px;font-size:14px;font-family:inherit;color:var(--ink);background:var(--white);outline:none;transition:border-color .15s,box-shadow .15s}
.fg input:focus,.fg select:focus,.fg textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(47,31,255,.12)}
.fg textarea{resize:vertical;min-height:70px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.inline-prefix{display:flex;align-items:center;border:1px solid var(--border);border-radius:var(--r-sm);overflow:hidden}
.inline-prefix span{padding:10px 10px;background:var(--bg);color:var(--muted);font-size:13px;border-right:1px solid var(--border);white-space:nowrap}
.inline-prefix input{border:none;border-radius:0}
.inline-prefix input:focus{box-shadow:none}

/* ---- Auth pages ---- */
.auth-shell{max-width:420px;margin:56px auto;padding:0 20px}
.auth-card{background:var(--white);border:1px solid var(--border);border-radius:var(--r-lg);padding:32px;box-shadow:var(--shadow)}
.auth-card h1{font-size:22px;margin-bottom:6px}
.auth-switch{text-align:center;margin-top:18px;font-size:13px;color:var(--muted)}
.seg{display:flex;background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:3px;margin-bottom:22px}
.seg a{flex:1;text-align:center;padding:8px;border-radius:6px;font-size:13px;font-weight:600;color:var(--muted)}
.seg a:hover{text-decoration:none}
.seg a.active{background:var(--accent);color:#fff}

/* ---- Flash ---- */
.flash{max-width:var(--maxw);margin:16px auto 0;padding:0 24px}
.flash .msg{padding:12px 16px;border-radius:var(--r-sm);font-size:14px;border:1px solid;display:flex;gap:10px;align-items:flex-start}
.flash .success{background:#f0fdf4;border-color:#bbf7d0;color:#15803d}
.flash .error{background:#fef2f2;border-color:#fecaca;color:#b91c1c}
.flash .info{background:var(--al2);border-color:#dcd8ff;color:var(--accent-ink)}

/* ---- Profile page ---- */
.profile-grid{display:grid;grid-template-columns:1fr 340px;gap:28px;align-items:start}
.profile-head{display:flex;gap:20px;align-items:center}
.profile-head h1{font-size:26px;margin-bottom:4px}
.profile-head .headline{color:var(--muted);font-size:15px}
.prose p{margin-bottom:12px;color:#374151}
.cred-list{list-style:none;display:flex;flex-direction:column;gap:10px}
.cred-list li{display:flex;gap:10px;font-size:14px;color:#374151}
.cred-list li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);margin-top:8px;flex-shrink:0}
.booking-card{position:sticky;top:88px}
.price-line{display:flex;align-items:baseline;gap:8px;margin-bottom:4px}
.price-line .big{font-size:30px;font-weight:800;letter-spacing:-.5px}
.pay-note{font-size:12px;color:var(--muted);background:var(--al2);border:1px solid var(--border);border-radius:var(--r-sm);padding:8px 10px;margin-top:14px}

/* ---- Booking status / steps ---- */
.steps{display:flex;gap:0;margin:20px 0 4px;list-style:none;counter-reset:s}
.steps li{flex:1;position:relative;text-align:center;font-size:12px;color:var(--muted);padding-top:26px}
.steps li::before{counter-increment:s;content:counter(s);position:absolute;top:0;left:50%;transform:translateX(-50%);width:22px;height:22px;border-radius:50%;background:var(--white);border:2px solid var(--border);color:var(--muted);font-weight:700;display:flex;align-items:center;justify-content:center;font-size:11px}
.steps li::after{content:"";position:absolute;top:11px;left:-50%;width:100%;height:2px;background:var(--border);z-index:-1}
.steps li:first-child::after{display:none}
.steps li.done::before{background:var(--accent);border-color:var(--accent);color:#fff;content:"\2713"}
.steps li.active::before{background:var(--al);border-color:var(--accent);color:var(--accent)}
.steps li.done::after{background:var(--accent)}
.kv{display:grid;grid-template-columns:150px 1fr;gap:8px 14px;font-size:14px}
.kv dt{color:var(--muted)}
.kv dd{color:var(--ink);font-weight:500}

/* ---- Dashboard shell ---- */
.dash-head{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:24px}
.dash-head h1{font-size:24px}
.subnav{display:flex;gap:4px;background:var(--white);border:1px solid var(--border);border-radius:10px;padding:4px;width:fit-content;margin-bottom:24px;flex-wrap:wrap}
.subnav a{padding:8px 18px;border-radius:7px;font-size:14px;font-weight:500;color:var(--muted)}
.subnav a:hover{text-decoration:none;color:var(--ink)}
.subnav a.active{background:var(--accent);color:#fff}
.copy-field{display:flex;gap:8px;align-items:center}
.copy-field input{flex:1;font-size:13px;color:var(--muted)}

/* ---- Invoice ---- */
.invoice-doc{max-width:760px;margin:32px auto;background:var(--white);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--shadow);padding:44px}
.invoice-doc .head{display:flex;justify-content:space-between;align-items:flex-start;border-bottom:1px solid var(--border);padding-bottom:22px;margin-bottom:22px}
.invoice-doc h1{font-size:22px}
.invoice-meta{text-align:right;font-size:13px;color:var(--muted)}
.invoice-parties{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:26px}
.invoice-doc table{margin:8px 0}
.totals{margin-left:auto;max-width:280px;margin-top:18px}
.totals .row{display:flex;justify-content:space-between;padding:6px 0;font-size:14px;color:var(--muted)}
.totals .row.total{border-top:1px solid var(--border);margin-top:6px;padding-top:12px;font-size:16px;font-weight:700;color:var(--ink)}
.stamp{display:inline-block;border:2px solid var(--g-ink);color:var(--g-ink);font-weight:800;letter-spacing:.08em;padding:4px 12px;border-radius:6px;transform:rotate(-4deg);font-size:14px}

/* ---- Footer ---- */
footer.site{border-top:1px solid var(--border);background:var(--white);margin-top:48px;padding:28px 0}
footer.site .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:center;color:var(--muted);font-size:13px}
footer.site a{color:var(--muted)}

/* ---- How it works ---- */
.how{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.how .step{background:var(--white);border:1px solid var(--border);border-radius:var(--r);padding:22px;box-shadow:var(--shadow)}
.how .step .n{width:30px;height:30px;border-radius:8px;background:var(--al);color:var(--accent);font-weight:800;display:flex;align-items:center;justify-content:center;margin-bottom:12px}
.how .step h4{font-size:15px;margin-bottom:6px}
.how .step p{font-size:13px;color:var(--muted)}

/* ---- Empty state ---- */
.empty{text-align:center;padding:40px 20px;color:var(--muted);font-size:14px}
.empty h3{color:var(--ink);font-size:16px;margin-bottom:6px}

/* ---- Responsive ---- */
@media(max-width:900px){
  .profile-grid{grid-template-columns:1fr}
  .booking-card{position:static}
  .col4{grid-template-columns:repeat(2,1fr)}
  .how{grid-template-columns:1fr}
}
@media(max-width:720px){
  nav.site{padding:12px 18px}
  nav.site .links{display:none}
  .wrap{padding:0 16px}
  .col3{grid-template-columns:1fr}
  .field-row{grid-template-columns:1fr}
  .userchip .txt{display:none}
}
@media(max-width:520px){
  .col4{grid-template-columns:1fr 1fr}
  .invoice-doc{padding:24px}
  .kv{grid-template-columns:1fr}
}

/* ---- Print (invoice) ---- */
@media print{
  nav.site,footer.site,.flash,.no-print{display:none!important}
  body{background:#fff}
  .invoice-doc{box-shadow:none;border:none;margin:0;max-width:none}
}