/* ==========================================================================
   APRIONEX VISITOR - design system
   Mobile-first. One stylesheet, no build step required.
   ========================================================================== */
:root{
  --brand:#4f46e5; --brand-dark:#4338ca; --brand-050:#eef2ff;
  --ink:#0f172a; --ink-soft:#475569; --ink-faint:#94a3b8;
  --bg:#f1f5f9; --surface:#ffffff; --line:#e2e8f0;
  --ok:#16a34a; --ok-bg:#dcfce7; --warn:#d97706; --warn-bg:#fef3c7;
  --err:#dc2626; --err-bg:#fee2e2; --info:#0284c7; --info-bg:#e0f2fe;
  --radius:14px; --radius-sm:9px; --shadow:0 1px 3px rgba(2,6,23,.09),0 1px 2px rgba(2,6,23,.05);
  --shadow-lg:0 10px 30px rgba(2,6,23,.12);
  --safe-b:env(safe-area-inset-bottom,0px);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);background:var(--bg);color:var(--ink);line-height:1.5;font-size:15px;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.25;margin:0 0 .4em}
h1{font-size:1.5rem}h2{font-size:1.2rem}h3{font-size:1.02rem}
small,.muted{color:var(--ink-soft)}
hr{border:0;border-top:1px solid var(--line);margin:18px 0}
:focus-visible{outline:3px solid rgba(79,70,229,.45);outline-offset:2px;border-radius:6px}

/* ---- layout shells --------------------------------------------------- */
.app-shell{min-height:100vh;display:flex;flex-direction:column}
.app-main{flex:1;width:100%;max-width:1120px;margin:0 auto;padding:16px 16px calc(84px + var(--safe-b));}
@media(min-width:960px){
  .app-body{display:flex;min-height:100vh}
  .app-main{padding:28px 32px 40px}
}
.container{width:100%;max-width:760px;margin:0 auto;padding:20px 16px}
.container-wide{max-width:1120px}

/* ---- top bar ------------------------------------------------------- */
.topbar{position:sticky;top:0;z-index:30;background:var(--surface);border-bottom:1px solid var(--line);
  display:flex;align-items:center;gap:12px;padding:10px 16px}
.topbar .brand{font-weight:800;letter-spacing:.3px;color:var(--ink);display:flex;align-items:center;gap:8px}
.topbar .brand b{color:var(--brand)}
.topbar .spacer{flex:1}
.topbar .icon-btn{position:relative}

/* ---- sidebar (desktop) ------------------------------------------- */
.sidebar{display:none}
@media(min-width:960px){
  .sidebar{display:flex;flex-direction:column;width:248px;flex-shrink:0;background:var(--surface);
    border-right:1px solid var(--line);padding:18px 12px;gap:2px;position:sticky;top:0;height:100vh;overflow-y:auto}
  .sidebar .brand{font-weight:800;padding:8px 12px 16px;font-size:1.05rem}
  .sidebar .brand b{color:var(--brand)}
  .sidebar a{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:10px;color:var(--ink-soft);font-weight:500}
  .sidebar a:hover{background:var(--bg);text-decoration:none;color:var(--ink)}
  .sidebar a.active{background:var(--brand-050);color:var(--brand-dark);font-weight:600}
  .sidebar .nav-group{margin-top:14px;padding:6px 12px 4px;font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-faint)}
}

/* ---- bottom nav (mobile) ---------------------------------------- */
.bottomnav{position:fixed;left:0;right:0;bottom:0;z-index:40;background:var(--surface);
  border-top:1px solid var(--line);display:flex;justify-content:space-around;
  padding:6px 4px calc(6px + var(--safe-b))}
.bottomnav a{flex:1;text-align:center;color:var(--ink-faint);font-size:.68rem;font-weight:600;
  padding:4px 2px;border-radius:8px;display:flex;flex-direction:column;align-items:center;gap:3px}
.bottomnav a.active{color:var(--brand)}
.bottomnav svg{width:22px;height:22px}
@media(min-width:960px){.bottomnav{display:none}}

/* ---- page header ------------------------------------------------- */
.page-head{display:flex;align-items:flex-start;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.page-head h1{margin:0}
.page-head .sub{color:var(--ink-soft);font-size:.9rem;margin-top:2px}
.page-head .actions{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap}

/* ---- cards ------------------------------------------------------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.card-pad{padding:16px}
.card + .card{margin-top:14px}
.card-title{font-weight:700;font-size:.95rem;margin-bottom:10px;display:flex;align-items:center;gap:8px}
.grid{display:grid;gap:14px}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-4{grid-template-columns:repeat(2,1fr)}
@media(min-width:720px){.grid.cols-4{grid-template-columns:repeat(4,1fr)}.grid.cols-3{grid-template-columns:repeat(3,1fr)}}
@media(max-width:600px){.grid.cols-3{grid-template-columns:repeat(2,1fr)}}

/* ---- stat tiles ------------------------------------------------- */
.stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px;box-shadow:var(--shadow)}
.stat .n{font-size:1.7rem;font-weight:800;letter-spacing:-.02em;line-height:1}
.stat .l{color:var(--ink-soft);font-size:.8rem;margin-top:6px}
.stat.accent{background:linear-gradient(135deg,var(--brand),var(--brand-dark));color:#fff;border:0}
.stat.accent .l{color:rgba(255,255,255,.85)}

/* ---- buttons -------------------------------------------------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:inherit;font-weight:600;
  padding:10px 16px;border-radius:var(--radius-sm);border:1px solid transparent;cursor:pointer;
  background:var(--brand);color:#fff;min-height:42px;transition:background .15s,box-shadow .15s;text-decoration:none}
.btn:hover{background:var(--brand-dark);text-decoration:none}
.btn:disabled{opacity:.55;cursor:not-allowed}
.btn.ghost{background:transparent;color:var(--brand);border-color:var(--line)}
.btn.ghost:hover{background:var(--brand-050)}
.btn.subtle{background:var(--bg);color:var(--ink);border-color:var(--line)}
.btn.subtle:hover{background:#e7edf5}
.btn.danger{background:var(--err)}
.btn.danger:hover{background:#b91c1c}
.btn.ok{background:var(--ok)}
.btn.sm{padding:7px 12px;min-height:36px;font-size:.85rem}
.btn.block{width:100%}
.btn-row{display:flex;gap:10px;flex-wrap:wrap}
.sticky-action{position:sticky;bottom:calc(70px + var(--safe-b));z-index:20;margin-top:16px}
@media(min-width:960px){.sticky-action{position:static}}

/* ---- forms -------------------------------------------------- */
.field{margin-bottom:14px}
.field label{display:block;font-weight:600;font-size:.85rem;margin-bottom:5px}
.field .hint{color:var(--ink-faint);font-size:.78rem;margin-top:4px}
.input,.select,textarea,select{width:100%;font:inherit;padding:10px 12px;border:1px solid var(--line);
  border-radius:var(--radius-sm);background:var(--surface);color:var(--ink);min-height:42px}
textarea{min-height:84px;resize:vertical}
.input:focus,textarea:focus,select:focus{border-color:var(--brand);outline:none;box-shadow:0 0 0 3px rgba(79,70,229,.15)}
.field.error .input,.field.error textarea,.field.error select{border-color:var(--err)}
.field .err{color:var(--err);font-size:.8rem;margin-top:4px}
.checkline{display:flex;gap:10px;align-items:flex-start;margin-bottom:10px}
.checkline input{width:18px;height:18px;margin-top:2px;flex-shrink:0}
.form-grid{display:grid;gap:0 16px}
@media(min-width:640px){.form-grid.two{grid-template-columns:1fr 1fr}}
fieldset{border:1px solid var(--line);border-radius:var(--radius);padding:14px;margin:0 0 16px}
legend{font-weight:700;font-size:.85rem;padding:0 6px}

/* ---- tables / responsive lists ------------------------------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}
table.data{width:100%;border-collapse:collapse;font-size:.9rem}
table.data th,table.data td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);white-space:nowrap}
table.data th{background:var(--bg);font-size:.75rem;text-transform:uppercase;letter-spacing:.04em;color:var(--ink-soft)}
table.data tr:last-child td{border-bottom:0}
table.data td.wrap{white-space:normal}

/* card list for small screens */
.rowcard{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:13px;box-shadow:var(--shadow)}
.rowcard + .rowcard{margin-top:10px}
.rowcard .rc-top{display:flex;justify-content:space-between;gap:10px;align-items:flex-start}
.rowcard .rc-name{font-weight:700}
.rowcard .rc-meta{color:var(--ink-soft);font-size:.83rem;margin-top:3px}
.rowcard .rc-actions{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}

/* ---- badges ------------------------------------------------- */
.badge{display:inline-flex;align-items:center;gap:5px;font-size:.73rem;font-weight:700;padding:3px 9px;border-radius:999px;
  background:var(--bg);color:var(--ink-soft);white-space:nowrap}
.badge.ok{background:var(--ok-bg);color:#166534}
.badge.warn{background:var(--warn-bg);color:#92400e}
.badge.err{background:var(--err-bg);color:#991b1b}
.badge.info{background:var(--info-bg);color:#075985}
.badge.brand{background:var(--brand-050);color:var(--brand-dark)}
.badge-dot::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;display:inline-block}

/* ---- alerts / toasts -------------------------------------- */
.alert{border-radius:var(--radius-sm);padding:11px 14px;margin-bottom:14px;font-size:.9rem;border:1px solid transparent}
.alert.ok{background:var(--ok-bg);border-color:#86efac;color:#166534}
.alert.err{background:var(--err-bg);border-color:#fca5a5;color:#991b1b}
.alert.warn{background:var(--warn-bg);border-color:#fcd34d;color:#92400e}
.alert.info{background:var(--info-bg);border-color:#7dd3fc;color:#075985}
.toast-wrap{position:fixed;top:14px;left:50%;transform:translateX(-50%);z-index:100;width:calc(100% - 24px);max-width:460px}
.toast{background:var(--ink);color:#fff;border-radius:10px;padding:12px 14px;margin-bottom:8px;box-shadow:var(--shadow-lg);font-size:.9rem;animation:slidein .2s ease}
.toast.ok{background:#14532d}.toast.err{background:#7f1d1d}
@keyframes slidein{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}

/* ---- empty / skeleton ------------------------------------ */
.empty{text-align:center;padding:40px 20px;color:var(--ink-soft)}
.empty svg{width:44px;height:44px;opacity:.4;margin-bottom:10px}
.skeleton{background:linear-gradient(90deg,#eef2f7 25%,#e2e8f0 37%,#eef2f7 63%);background-size:400% 100%;
  animation:shimmer 1.4s ease infinite;border-radius:8px;height:14px}
@keyframes shimmer{0%{background-position:100% 0}100%{background-position:-100% 0}}

/* ---- impersonation banner -------------------------------- */
.imp-banner{background:#7c2d12;color:#ffedd5;text-align:center;font-size:.83rem;font-weight:600;padding:7px 14px}
.imp-banner a{color:#fff;text-decoration:underline}

/* ---- misc ------------------------------------------------ */
.dl{display:grid;grid-template-columns:auto 1fr;gap:6px 16px;font-size:.9rem}
.dl dt{color:var(--ink-soft)}
.dl dd{margin:0;font-weight:500}
.list-reset{list-style:none;padding:0;margin:0}
.timeline{list-style:none;padding:0;margin:0}
.timeline li{position:relative;padding:0 0 14px 20px;border-left:2px solid var(--line)}
.timeline li::before{content:"";position:absolute;left:-6px;top:2px;width:10px;height:10px;border-radius:50%;background:var(--brand)}
.timeline li:last-child{border-left-color:transparent}
.pill-tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:14px}
.pill-tabs a{padding:6px 12px;border-radius:999px;background:var(--surface);border:1px solid var(--line);font-size:.83rem;font-weight:600;color:var(--ink-soft)}
.pill-tabs a.active{background:var(--brand);color:#fff;border-color:var(--brand)}
.pagination{display:flex;gap:6px;align-items:center;justify-content:center;margin-top:16px;flex-wrap:wrap}
.pagination a,.pagination span{padding:7px 12px;border-radius:8px;border:1px solid var(--line);background:var(--surface);font-size:.85rem}
.pagination .current{background:var(--brand);color:#fff;border-color:var(--brand)}
.hstack{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.vstack{display:flex;flex-direction:column;gap:8px}
.mt0{margin-top:0}.mb0{margin-bottom:0}.mt16{margin-top:16px}
.text-c{text-align:center}.text-r{text-align:right}
.progress{height:8px;background:var(--bg);border-radius:999px;overflow:hidden}
.progress > i{display:block;height:100%;background:var(--brand)}
.progress.warn > i{background:var(--warn)}.progress.err > i{background:var(--err)}
.avatar{width:40px;height:40px;border-radius:50%;background:var(--brand-050);color:var(--brand-dark);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.85rem;flex-shrink:0}

/* ---- auth / public --------------------------------------- */
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px 16px;
  background:radial-gradient(1200px 600px at 50% -10%,#e0e7ff, var(--bg))}
.auth-card{background:var(--surface);border-radius:18px;box-shadow:var(--shadow-lg);width:100%;max-width:420px;padding:28px}
.auth-card .brand{font-weight:800;font-size:1.15rem;text-align:center;margin-bottom:4px}
.auth-card .brand b{color:var(--brand)}
.auth-card .tagline{text-align:center;color:var(--ink-soft);font-size:.85rem;margin-bottom:20px}
.public-hero{max-width:1000px;margin:0 auto;padding:56px 20px 32px;text-align:center}
.public-hero h1{font-size:2rem}
.public-nav{display:flex;align-items:center;padding:14px 20px;max-width:1080px;margin:0 auto}
.plan-grid{display:grid;gap:16px;max-width:760px;margin:24px auto;grid-template-columns:1fr}
@media(min-width:680px){.plan-grid{grid-template-columns:1fr 1fr}}
.plan{border:1px solid var(--line);border-radius:var(--radius);padding:20px;background:var(--surface);text-align:left}
.plan.featured{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-050)}
.plan .price{font-size:1.6rem;font-weight:800;margin:8px 0}

@media (prefers-color-scheme: dark){
  :root{--bg:#0b1120;--surface:#111a2e;--line:#25324a;--ink:#e6edf7;--ink-soft:#9fb0c9;--ink-faint:#64748b;--brand-050:#1e253f}
  .topbar,.sidebar,.bottomnav,.card,.stat,.rowcard,.auth-card,.table-wrap,.plan{background:var(--surface)}
  table.data th{background:#0b1120}
  .btn.subtle{background:#1b2540;color:var(--ink)}
}
@media print{
  .topbar,.sidebar,.bottomnav,.page-head .actions,.sticky-action,.no-print{display:none!important}
  body{background:#fff}
  .app-main{padding:0}
}