/* QR Studio v5 – redesigned UI
   Tokens */
:root{
  --ink:#20262d;--muted:#606770;--line:#e5e1d6;--line-strong:#ccc6b6;
  --canvas:#f6f4ee;--panel:#fff;--tint:#faf8f1;
  --accent:#8a6000;--accent-dark:#684800;--accent-soft:#fff0be;--brand:#f5b400;--brand-hover:#dfa400;
  --signal:#f5b400;--ok:#0e7c5a;--ok-soft:#dff5ec;--bad:#c2260f;--bad-soft:#fde8e4;
  --night:#20262d;--night-2:#303841;
  --font-head:"Poppins","Segoe UI",system-ui,sans-serif;
  --font-body:"Poppins","Segoe UI",system-ui,-apple-system,sans-serif;
  --r-s:8px;--r-m:12px;--r-l:18px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font-body);font-size:16px;line-height:1.5;background:var(--canvas);color:var(--ink)}
a{color:var(--accent)}
h1,h2,h3{font-family:var(--font-head);letter-spacing:-.02em;line-height:1.1;margin:0}
h1{font-size:clamp(30px,4vw,44px);font-weight:700}
h2{font-size:22px;font-weight:650}
small{color:var(--muted);font-size:13px}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}

/* ---------- top bar ---------- */
.topbar{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:64px;padding:0 max(20px,4vw);background:var(--night);color:#fff}
.brand{display:flex;align-items:center;text-decoration:none}
.brand-logo{height:auto;width:190px;max-width:100%;display:block}
.brand:has(.brand-logo){background:#fff;padding:6px 10px;border-radius:8px;flex-shrink:0}
.topbar-nav{display:flex;align-items:stretch;gap:4px;align-self:stretch;margin-right:auto;margin-left:28px}
.topbar-nav a{display:flex;align-items:center;padding:0 14px;color:#c7cbd0;text-decoration:none;font-weight:600;font-size:15px;border-bottom:3px solid transparent;margin-bottom:-0px}
.topbar-nav a:hover{color:#fff}
.topbar-nav a[aria-current=page]{color:#fff;border-bottom-color:var(--signal)}
.topbar-actions{display:flex;align-items:center;gap:14px}
.topbar-actions form{margin:0}
.role-badge{display:inline-flex;align-items:center;gap:8px;color:#fff;text-decoration:none;font-weight:600;font-size:14px;padding:6px 12px 6px 6px;border-radius:99px;background:var(--night-2)}
.role-badge:hover{background:#414b56}
.role-badge .avatar{width:26px;height:26px;border-radius:50%;background:var(--signal);color:var(--ink);display:grid;place-items:center;font-size:13px;font-weight:700;text-transform:uppercase}
.role-badge small{color:#c7cbd0}
.account-name{max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.role-badge .avatar{flex-shrink:0}
.link-btn{background:none;border:0;padding:6px 4px;color:#c7cbd0;font:inherit;font-weight:600;font-size:14px;cursor:pointer}
.link-btn:hover{color:#fff}

/* ---------- buttons ---------- */
.button,button{font-family:inherit;font-size:15px;font-weight:650;border:0;border-radius:var(--r-s);padding:12px 18px;cursor:pointer;text-decoration:none;transition:background .15s,border-color .15s}
.button{display:inline-flex;align-items:center;justify-content:center;gap:8px}
.primary{background:var(--brand);color:var(--ink);width:100%}
.primary:hover{background:var(--brand-hover)}
.primary:disabled{opacity:.6;cursor:progress}
.primary.danger{background:var(--bad);color:#fff}
.primary.danger:hover{background:#9f1d0a}
.secondary{background:var(--panel);color:var(--ink);border:1px solid var(--line-strong)}
.secondary:hover{border-color:var(--ink)}

/* ---------- layout ---------- */
.app-shell{max-width:1180px;margin:0 auto;padding:40px 24px 64px}
.dashboard-wrap{max-width:1320px;margin:0 auto;padding:40px 24px 64px}
.intro{margin-bottom:28px;max-width:640px}
.intro p{margin:10px 0 0;color:var(--muted);font-size:17px}
.workspace{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:24px;align-items:start}
.panel,.table-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-l)}
.controls{padding:28px}
.preview-panel{padding:28px}

/* ---------- forms ---------- */
.field{margin-bottom:20px}
.field>label,.result-details>label{display:block;font-weight:650;font-size:14px;margin-bottom:7px}
.field label span{color:var(--muted);font-weight:400;margin-left:4px}
.field small{display:block;margin-top:7px}
input[type=url],input[type=text],input[type=password],input[type=email],input[type=tel],select,.copy-row input,.color-row input[type=text]{width:100%;font:inherit;font-size:16px;color:var(--ink);background:var(--tint);border:1px solid var(--line);border-radius:var(--r-s);padding:12px 13px;transition:border-color .15s,box-shadow .15s}
input:focus,select:focus{outline:0;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft);background:#fff}
input[type=range]{width:100%;accent-color:var(--accent)}
input[type=checkbox]{accent-color:var(--accent);width:18px;height:18px}
.file-input{display:block;border:1.5px dashed var(--line-strong);border-radius:var(--r-m);padding:16px;cursor:pointer;background:var(--tint)}
.file-input:hover{border-color:var(--accent)}
.file-input strong,.file-input span{display:block}
.file-input strong{color:var(--accent)}
.file-input span{color:var(--muted);font-size:13px;font-weight:400;margin:2px 0 0}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.color-row{display:flex;gap:8px}
.color-row input[type=color],.design-grid input[type=color]{width:52px;height:46px;border:1px solid var(--line);border-radius:var(--r-s);padding:4px;background:var(--tint);cursor:pointer}
.design-grid input[type=color]{width:100%}
.switch-row{height:46px;display:flex!important;align-items:center;gap:10px;font-weight:500!important;margin:0!important}
.design-options{border:1px solid var(--line);border-radius:var(--r-m);padding:0 16px;margin:0 0 20px}
.design-options summary{padding:14px 0;font-weight:650;cursor:pointer}
.design-options[open] summary{border-bottom:1px solid var(--line);margin-bottom:16px}
.design-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 14px}
.design-grid .field{margin-bottom:16px}
.option-check{display:flex;align-items:center;gap:9px;font-weight:600;margin-bottom:16px;align-self:center}
.range-field output{float:right;color:var(--accent);font-weight:700}
.design-options>small{display:block;padding-bottom:14px}
.message{min-height:22px;margin:14px 0 0;font-size:14px;font-weight:550}
.message.error{color:var(--bad)}
.message.success{color:var(--ok)}
.dashboard-wrap>.message,.app-shell>.message{margin:0 0 18px}

/* ---------- QR preview: a scanner viewfinder ---------- */
.preview-head,.page-heading{display:flex;justify-content:space-between;align-items:center;gap:16px}
.qr-preview{--b:#20262d;--len:28px;--w:3px;
  position:relative;width:320px;max-width:100%;height:420px;margin:22px auto;display:grid;place-items:center;overflow:hidden;border-radius:var(--r-m);
  background:
    linear-gradient(var(--b),var(--b)) 12px 12px/var(--len) var(--w) no-repeat,
    linear-gradient(var(--b),var(--b)) 12px 12px/var(--w) var(--len) no-repeat,
    linear-gradient(var(--b),var(--b)) calc(100% - 12px) 12px/var(--len) var(--w) no-repeat,
    linear-gradient(var(--b),var(--b)) calc(100% - 12px) 12px/var(--w) var(--len) no-repeat,
    linear-gradient(var(--b),var(--b)) 12px calc(100% - 12px)/var(--len) var(--w) no-repeat,
    linear-gradient(var(--b),var(--b)) 12px calc(100% - 12px)/var(--w) var(--len) no-repeat,
    linear-gradient(var(--b),var(--b)) calc(100% - 12px) calc(100% - 12px)/var(--len) var(--w) no-repeat,
    linear-gradient(var(--b),var(--b)) calc(100% - 12px) calc(100% - 12px)/var(--w) var(--len) no-repeat,
    repeating-conic-gradient(#f5f2e9 0 25%,#fff 0 50%) 0 0/18px 18px;
  border:1px solid var(--line)}
.qr-preview p{color:var(--muted);text-align:center;padding:0 48px;margin:0}
.qr-preview canvas,.qr-preview svg{max-width:100%;height:auto}
.result-details{margin-top:6px}
.copy-row{display:flex;margin:0 0 16px}
.copy-row input{border-radius:var(--r-s) 0 0 var(--r-s);border-right:0}
.copy-row button{border-radius:0 var(--r-s) var(--r-s) 0;background:var(--ink);color:#fff;padding:0 20px}
.copy-row button:hover{background:#000}
.download-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:12px}
.download-grid button{background:var(--panel);color:var(--ink);border:1px solid var(--line-strong);padding:11px 8px}
.download-grid button:hover{border-color:var(--accent);color:var(--accent)}
.status{display:inline-block;padding:4px 10px;border-radius:99px;font-size:13px;font-weight:650}
.status.active{background:var(--ok-soft);color:var(--ok)}
.status.inactive{background:var(--tint);color:var(--muted);border:1px solid var(--line)}

/* ---------- tables ---------- */
.page-heading{margin-bottom:20px;align-items:flex-end}
.page-heading h1{font-size:clamp(28px,3.4vw,38px)}
.page-heading p{margin:0;color:var(--muted)}
.table-card{overflow:hidden}
.table-scroll{overflow:auto}
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--line);white-space:nowrap;font-size:15px}
th{font-size:13px;font-weight:650;color:var(--muted);background:var(--tint)}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover td{background:#fffcf3}
.num{font-variant-numeric:tabular-nums}
.url-cell{max-width:340px;overflow:hidden;text-overflow:ellipsis}
.url-cell a{color:var(--ink);font-weight:550;text-decoration-color:var(--line-strong)}
.url-cell a:hover{color:var(--accent)}
.scan-count{font-family:var(--font-head);font-size:22px;font-weight:700;font-variant-numeric:tabular-nums}
.chips{display:flex;gap:6px;flex-wrap:wrap;white-space:normal}
.chip{font-size:12.5px;font-weight:600;background:var(--tint);border:1px solid var(--line);border-radius:6px;padding:2px 8px;color:var(--muted)}
.chip b{color:var(--ink);margin-left:3px;font-variant-numeric:tabular-nums}
.empty{text-align:center;color:var(--muted);padding:56px 16px}
.actions-cell{white-space:nowrap}
.icon-btn{width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--r-s);background:var(--panel);border:1px solid var(--line);color:var(--muted);padding:0;margin-right:6px}
.icon-btn:hover{color:var(--accent);border-color:var(--accent)}
.icon-btn.delete-btn:hover{color:var(--bad);border-color:var(--bad)}
.stat-strip{display:grid;grid-template-columns:repeat(3,1fr);margin-bottom:20px;background:var(--panel);border:1px solid var(--line);border-radius:var(--r-l)}
.stat-strip div{padding:18px 24px}
.stat-strip div+div{border-left:1px solid var(--line)}
.stat-strip strong{display:block;font-family:var(--font-head);font-size:34px;line-height:1.1;font-variant-numeric:tabular-nums}
.stat-strip span{color:var(--muted);font-size:14px}
.stat-strip .live strong{color:var(--accent)}

/* ---------- modals ---------- */
.modal-backdrop{position:fixed;inset:0;background:rgba(15,14,46,.55);display:flex;align-items:center;justify-content:center;padding:20px;z-index:50}
.modal-backdrop[hidden]{display:none}
.modal-card{background:var(--panel);border-radius:var(--r-l);padding:28px;max-width:460px;width:100%;box-shadow:0 24px 60px rgba(15,14,46,.35)}
.modal-card.wide{max-width:700px}
.modal-card h3{font-size:22px;margin:0 0 10px}
.modal-desc{color:var(--muted);margin:0 0 18px;word-break:break-word}
.modal-card .field{margin-bottom:6px}
.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}
.modal-actions .button{width:auto}
.scans-table-wrap{max-height:340px;overflow:auto;border:1px solid var(--line);border-radius:var(--r-m)}
.scans-table{font-size:14px}
.scans-table th,.scans-table td{padding:10px 12px}
.scans-table th{position:sticky;top:0;font-size:13px}
.scans-table a{color:var(--accent)}

/* ---------- sign in / register ---------- */
.auth-page{min-height:100vh;display:grid;grid-template-columns:minmax(320px,.9fr) 1.1fr;background:var(--panel)}
.auth-aside{position:relative;overflow:hidden;background:var(--night);color:#fff;padding:clamp(28px,5vw,64px);display:flex;flex-direction:column;justify-content:space-between;gap:40px}
.auth-aside .brand{align-self:flex-start}
.auth-aside .brand-logo{width:260px;height:auto}
.auth-aside h1{font-size:clamp(34px,4.2vw,56px);max-width:11ch;color:#fff}
.auth-aside p{color:#c7cbd0;max-width:34ch;margin:16px 0 0;font-size:17px}
.scanner{position:relative;width:170px;height:170px;flex:none}
.scanner i{position:absolute;width:34px;height:34px;border:4px solid #fff}
.scanner i:nth-child(1){left:0;top:0;border-right:0;border-bottom:0}
.scanner i:nth-child(2){right:0;top:0;border-left:0;border-bottom:0}
.scanner i:nth-child(3){left:0;bottom:0;border-right:0;border-top:0}
.scanner i:nth-child(4){right:0;bottom:0;border-left:0;border-top:0}
.scanner:before{content:"";position:absolute;left:14px;right:14px;top:14px;height:3px;border-radius:2px;background:var(--signal);box-shadow:0 0 18px 2px rgba(245,180,0,.7);animation:sweep 2.6s ease-in-out infinite alternate}
@keyframes sweep{to{top:calc(100% - 17px)}}
.auth-main{display:flex;align-items:center;justify-content:center;padding:40px 24px}
.auth-card{width:100%;max-width:420px}
.auth-card .login-form-head{margin-bottom:26px}
.auth-card .login-form-head h2{font-size:32px;margin-bottom:8px}
.auth-card .login-form-head p{margin:0;color:var(--muted)}
.input-shell{position:relative}
.input-shell input{padding-right:64px}
.password-toggle{position:absolute;right:6px;top:50%;transform:translateY(-50%);padding:6px 10px;background:transparent;color:var(--accent);font-size:13px}
.login-submit{margin-top:6px}
.auth-links{text-align:center;color:var(--muted);font-size:15px;margin:18px 0 0}
.auth-links a{font-weight:650}
.login-security{text-align:center;color:var(--muted);font-size:13px;margin:12px 0 0}
.narrow{max-width:520px}
.narrow .field{margin-bottom:20px}

/* ---------- users ---------- */
.user-actions{white-space:normal;min-width:240px}
.reset-box{margin-bottom:8px}
.reset-box summary{cursor:pointer;font-weight:650;color:var(--accent)}
.reset-box form{display:grid;gap:8px;margin-top:10px;max-width:260px}
.reset-box .button{padding:10px 14px}
.inline-form{margin:0}
.inline-form .button{padding:8px 14px;font-size:14px}

/* ---------- responsive ---------- */
@media(max-width:900px){
  .workspace{grid-template-columns:1fr}
  .auth-page{grid-template-columns:1fr}
  .auth-aside{flex-direction:row;align-items:flex-end;flex-wrap:wrap;padding:24px}
  .auth-aside .scanner,.auth-aside p{display:none}
  .auth-aside h1{font-size:30px;max-width:none}
}
@media(max-width:1100px){
  .topbar{flex-wrap:wrap;padding-top:10px;padding-bottom:0;gap:0 12px}
  .topbar-nav{order:3;width:100%;margin:8px 0 0;overflow-x:auto}
  .topbar-nav a{padding:0 12px;height:44px}
  .topbar-actions{margin-left:auto}
}
@media(max-width:720px){
  .role-badge small{display:none}
  .two-col,.design-grid{grid-template-columns:1fr}
  .download-grid{grid-template-columns:1fr}
  .app-shell,.dashboard-wrap{padding:28px 16px 48px}
  .controls,.preview-panel{padding:20px}
  .stat-strip{grid-template-columns:1fr}
  .stat-strip div+div{border-left:0;border-top:1px solid var(--line)}
  .page-heading{flex-direction:column;align-items:flex-start}
}
@media(max-width:420px){.topbar .brand-logo{width:150px}.topbar-actions{gap:6px}.account-name{max-width:72px}.topbar-actions .button{padding:8px 10px}}
@media(prefers-reduced-motion:reduce){.scanner:before{animation:none;top:50%}}