/* =========================================================
   Tech Baksho — WHMCS login (child theme of Twenty-One)
   Split card: matrix + thunder visual | login form
   ========================================================= */
:root{
  --tb-bg:#050505;
  --tb-panel:#0A0A0F;
  --tb-panel-2:#0D0D14;
  --tb-ink:#F5F5F7;
  --tb-muted:#8B8F98;
  --tb-faint:#55585F;
  --tb-border:rgba(255,255,255,.10);
  --tb-border-soft:rgba(255,255,255,.06);
  --tb-accent:#7C90FF;
  --tb-accent-glow:rgba(124,144,255,.35);
  --tb-ok:#6FD6C0;
  --tb-display:'Plus Jakarta Sans','Inter',sans-serif;
  --tb-body:'Inter',system-ui,sans-serif;
  --tb-mono:'IBM Plex Mono',ui-monospace,monospace;
  --tb-ease:cubic-bezier(.16,.84,.32,1);
}

/* Hide the default WHMCS chrome on the login page only */
body:has(.tb-auth) #header,
body:has(.tb-auth) .master-breadcrumb,
body:has(.tb-auth) #footer{ display:none !important; }
body:has(.tb-auth){ background:var(--tb-bg) !important; }
body:has(.tb-auth) #main-body{ padding:0 !important; background:transparent !important; }

/* Full-screen stage */
.tb-auth{
  position:fixed; inset:0; z-index:1030;
  overflow-y:auto;
  display:flex; align-items:center; justify-content:center;
  padding:32px 20px;
  background:
    radial-gradient(60% 50% at 20% 10%, rgba(124,144,255,.10), transparent 70%),
    radial-gradient(50% 40% at 85% 90%, rgba(165,124,255,.08), transparent 70%),
    var(--tb-bg);
  font-family:var(--tb-body);
  color:var(--tb-ink);
  -webkit-font-smoothing:antialiased;
}
.tb-auth *{ box-sizing:border-box; }

.tb-auth-card{
  width:min(1080px,100%);
  min-height:620px;
  display:grid; grid-template-columns:1.05fr 1fr;
  border-radius:26px;
  overflow:hidden;
  background:var(--tb-panel);
  border:1px solid var(--tb-border);
  box-shadow:0 40px 120px rgba(0,0,0,.7), 0 0 0 1px rgba(124,144,255,.05) inset;
}

/* ---------- Left visual ---------- */
.tb-auth-visual{
  position:relative; overflow:hidden;
  display:flex; flex-direction:column; justify-content:space-between;
  padding:36px 40px;
  background:
    radial-gradient(90% 70% at 70% 30%, rgba(124,144,255,.14), transparent 65%),
    #07070B;
  border-right:1px solid var(--tb-border-soft);
  isolation:isolate;
}
.tb-auth-visual canvas{ position:absolute; inset:0; width:100%; height:100%; display:block; }
.tb-storm{ z-index:0; mix-blend-mode:screen; }
.tb-flash{
  position:absolute; inset:0; z-index:1; opacity:0; pointer-events:none;
  background:radial-gradient(65% 55% at var(--flash-x,50%) 0%, rgba(185,195,255,.38), transparent 70%);
  transition:opacity .14s ease-out;
}
.tb-matrix{ z-index:2; }
.tb-shade{
  position:absolute; inset:0; z-index:3; pointer-events:none;
  background:linear-gradient(180deg, rgba(7,7,11,.55) 0%, rgba(7,7,11,0) 28%, rgba(7,7,11,0) 45%, rgba(7,7,11,.88) 100%);
}
.tb-visual-top, .tb-visual-copy, .tb-visual-bottom{ position:relative; z-index:4; }

.tb-visual-top{ display:flex; align-items:center; justify-content:space-between; gap:16px; }
.tb-brand img{ height:26px; width:auto; display:block; }
.tb-meta{
  font-family:var(--tb-mono); font-size:10.5px; letter-spacing:.18em; text-transform:uppercase; color:var(--tb-muted);
}
.tb-meta b{ color:var(--tb-accent); font-weight:500; margin-left:6px; }

.tb-eyebrow{
  display:flex; align-items:center; gap:12px; margin:0 0 18px;
  font-family:var(--tb-mono); font-size:11px; letter-spacing:.2em; text-transform:uppercase; color:var(--tb-accent);
}
.tb-eyebrow span{ width:26px; height:1px; background:var(--tb-accent); display:inline-block; }
.tb-headline{
  margin:0; font-family:var(--tb-display); font-weight:700;
  font-size:clamp(40px,4.6vw,62px); line-height:1.02; letter-spacing:-.035em; color:var(--tb-ink);
  transition:text-shadow .5s var(--tb-ease);
}
.tb-auth-visual.is-struck .tb-headline{ text-shadow:0 0 30px var(--tb-accent-glow), 0 0 2px rgba(255,255,255,.6); transition:text-shadow .08s linear; }
.tb-sub{ margin:18px 0 0; max-width:360px; font-size:15px; line-height:1.6; color:#B9BCC4; }

.tb-visual-bottom{
  display:flex; justify-content:space-between; gap:16px;
  font-family:var(--tb-mono); font-size:10px; letter-spacing:.18em; text-transform:uppercase; color:var(--tb-faint);
}
.tb-visual-bottom i{ color:var(--tb-accent); font-style:normal; margin:0 6px; }

/* ---------- Right form ---------- */
.tb-auth-form{
  display:flex; flex-direction:column; justify-content:space-between;
  padding:36px 52px;
  background:linear-gradient(180deg, var(--tb-panel-2), var(--tb-panel));
}
.tb-form-top{ display:flex; justify-content:flex-start; }
.tb-status{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--tb-mono); font-size:10px; letter-spacing:.18em; text-transform:uppercase; color:var(--tb-muted);
}
.tb-status i{ width:7px; height:7px; border-radius:50%; background:var(--tb-ok); box-shadow:0 0 10px var(--tb-ok); animation:tbPulse 2.4s ease-in-out infinite; }
@keyframes tbPulse{ 50%{ opacity:.45; } }

.tb-form{ width:100%; max-width:380px; margin:28px 0; }
.tb-eyebrow-accent{ margin-bottom:12px; }
.tb-title{
  margin:0; font-family:var(--tb-display); font-weight:700; font-size:38px; letter-spacing:-.03em; line-height:1.05; color:var(--tb-ink);
}
.tb-lead{ margin:12px 0 26px; font-size:14.5px; line-height:1.6; color:var(--tb-muted); }

.tb-field{ margin-bottom:16px; }
.tb-field label, .tb-label-row label{
  display:block; margin:0 0 8px; font-size:13px; font-weight:600; color:var(--tb-ink);
}
.tb-label-row{ display:flex; align-items:baseline; justify-content:space-between; gap:12px; }
.tb-link-muted{ font-size:12.5px; color:var(--tb-muted) !important; text-decoration:none; }
.tb-link-muted:hover{ color:var(--tb-ink) !important; }

.tb-input{
  position:relative; display:flex; align-items:center;
  height:52px; border-radius:14px;
  background:rgba(0,0,0,.35);
  border:1px solid var(--tb-border);
  transition:border-color .25s var(--tb-ease), box-shadow .25s var(--tb-ease), background .25s;
}
.tb-input:focus-within{ border-color:var(--tb-accent); box-shadow:0 0 0 4px rgba(124,144,255,.14); background:rgba(0,0,0,.5); }
.tb-input > i{ width:46px; text-align:center; color:var(--tb-muted); font-size:14px; flex:0 0 auto; }
.tb-input input{
  flex:1; min-width:0; height:100%;
  border:0 !important; outline:0 !important; box-shadow:none !important;
  background:transparent !important; color:var(--tb-ink) !important;
  font-family:var(--tb-body); font-size:15px; padding:0 14px 0 0;
}
.tb-input input::placeholder{ color:var(--tb-faint); }
.tb-input input:-webkit-autofill{ -webkit-text-fill-color:var(--tb-ink); -webkit-box-shadow:0 0 0 100px #101018 inset !important; caret-color:var(--tb-ink); }
.tb-reveal{
  width:46px; height:100%; border:0; background:transparent; color:var(--tb-muted); cursor:pointer;
}
.tb-reveal:hover{ color:var(--tb-ink); }

.tb-captcha{ margin:6px 0 14px; }
.tb-captcha .row, .tb-captcha .form-group{ margin-left:0; margin-right:0; }
.tb-captcha input[type=text]{ background:rgba(0,0,0,.35); border:1px solid var(--tb-border); color:var(--tb-ink); border-radius:10px; }

.tb-remember{
  display:flex; align-items:center; gap:10px; margin:4px 0 20px; cursor:pointer;
  font-size:13.5px; color:var(--tb-muted); font-weight:400;
}
.tb-remember input{ width:16px; height:16px; accent-color:var(--tb-accent); margin:0; position:static; }

.tb-btn{
  width:100%; height:54px; display:flex; align-items:center; justify-content:space-between;
  padding:0 20px; border:0; border-radius:14px; cursor:pointer;
  background:var(--tb-accent); color:#0A0A12;
  font-family:var(--tb-body); font-size:15px; font-weight:600;
  box-shadow:0 10px 30px rgba(124,144,255,.35), inset 0 1px 0 rgba(255,255,255,.35);
  transition:transform .25s var(--tb-ease), box-shadow .25s var(--tb-ease), background .25s;
}
.tb-btn:hover{ background:#8FA0FF; transform:translateY(-1px); box-shadow:0 16px 40px rgba(124,144,255,.45), inset 0 1px 0 rgba(255,255,255,.4); }
.tb-btn:focus-visible{ outline:2px solid #fff; outline-offset:3px; }
.tb-btn-arrow{ font-size:16px; transition:transform .25s var(--tb-ease); }
.tb-btn:hover .tb-btn-arrow{ transform:translate(2px,-2px); }

/* Linked (social) accounts — only renders when enabled in WHMCS */
.tb-linked:not(:empty){ margin-top:18px; }
.tb-linked .social-signin-btns{ display:flex; flex-direction:column; gap:10px; }
.tb-linked .btn{ border-radius:12px; }

.tb-register{ margin:22px 0 0; font-size:13.5px; color:var(--tb-muted); }
.tb-register a{ color:var(--tb-ink) !important; font-weight:600; margin-left:4px; text-decoration:none; border-bottom:1px solid var(--tb-accent); }
.tb-legal{ margin:14px 0 0; font-size:11.5px; color:var(--tb-faint); }
.tb-legal a{ color:var(--tb-muted) !important; text-decoration:underline; }

.tb-form-bottom{
  display:flex; justify-content:space-between; gap:12px;
  padding-top:16px; border-top:1px solid var(--tb-border-soft);
  font-family:var(--tb-mono); font-size:10px; letter-spacing:.18em; text-transform:uppercase; color:var(--tb-faint);
}
.tb-form-bottom b{ color:var(--tb-muted); font-weight:500; }
.tb-form-bottom a{ color:var(--tb-muted) !important; text-decoration:none; }
.tb-form-bottom a:hover{ color:var(--tb-ink) !important; }

/* WHMCS flash messages inside the dark card */
.tb-form .alert{ border-radius:12px; font-size:13.5px; }

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .tb-auth{ padding:16px; align-items:flex-start; }
  .tb-auth-card{ grid-template-columns:1fr; min-height:0; border-radius:20px; }
  .tb-auth-visual{ min-height:300px; padding:24px; border-right:0; border-bottom:1px solid var(--tb-border-soft); }
  .tb-headline{ font-size:38px; }
  .tb-sub{ font-size:14px; }
  .tb-auth-form{ padding:28px 24px; }
  .tb-form{ max-width:none; margin:20px 0 24px; }
  .tb-title{ font-size:32px; }
}
@media (max-width:420px){
  .tb-visual-bottom span:first-child{ display:none; }
  .tb-meta{ display:none; }
}
@media (prefers-reduced-motion:reduce){
  .tb-storm, .tb-flash{ display:none; }
  .tb-status i{ animation:none; }
}
/* v1.0.1 — social login divider + alignment, headline readability */
.tb-linked:has(.social-signin-btns)::before{
  content:'or continue with'; display:flex; align-items:center; gap:12px; margin:0 0 14px;
  font-family:var(--tb-mono); font-size:10px; letter-spacing:.18em; text-transform:uppercase; color:var(--tb-faint);
  background:linear-gradient(var(--tb-border-soft),var(--tb-border-soft)) left 50%/30% 1px no-repeat,
             linear-gradient(var(--tb-border-soft),var(--tb-border-soft)) right 50%/30% 1px no-repeat;
  justify-content:center;
}
.tb-linked .social-signin-btns{ align-items:stretch; }
.tb-linked .btn-social{ padding:0 !important; margin:0 !important; background:transparent !important; border:0 !important; width:100%; display:flex; justify-content:center; }
.tb-visual-copy{ position:relative; }
.tb-visual-copy::before{
  content:''; position:absolute; z-index:-1; left:-40px; right:-40px; top:-40px; bottom:-40px; pointer-events:none;
  background:radial-gradient(70% 60% at 35% 55%, rgba(7,7,11,.82), rgba(7,7,11,0) 75%);
}
/* v1.1.0 — shared shell for login, password reset and two-factor pages */
.tb-form-body{ width:100%; }
.tb-form-body > .tb-form, .tb-form-body > form.tb-form{ max-width:380px; }
a.tb-btn{ text-decoration:none !important; color:#0A0A12 !important; }

/* Bootstrap elements used by WHMCS inside the dark form panel */
.tb-auth-form .form-group{ margin-bottom:16px; }
.tb-auth-form label, .tb-auth-form .control-label{ color:var(--tb-ink); font-size:13px; font-weight:600; margin-bottom:8px; }
.tb-auth-form .form-control{
  height:52px; border-radius:14px; padding:0 16px;
  background:rgba(0,0,0,.35) !important; border:1px solid var(--tb-border) !important; color:var(--tb-ink) !important;
  font-family:var(--tb-body); font-size:15px; box-shadow:none !important;
}
.tb-auth-form .form-control:focus{ border-color:var(--tb-accent) !important; box-shadow:0 0 0 4px rgba(124,144,255,.14) !important; }
.tb-auth-form .form-control.is-invalid{ border-color:rgba(255,110,110,.7) !important; }
.tb-auth-form .form-control.is-warning{ border-color:rgba(240,190,90,.7) !important; }
.tb-auth-form .form-control.is-valid{ border-color:rgba(111,214,192,.7) !important; }
.tb-auth-form .form-control::placeholder{ color:var(--tb-faint); }
.tb-auth-form .text-muted, .tb-auth-form .form-text{ color:var(--tb-muted) !important; }
.tb-auth-form h3, .tb-auth-form h4, .tb-auth-form h5{ color:var(--tb-ink); }
.tb-auth-form a:not(.tb-btn):not(.btn){ color:var(--tb-ink); }

.tb-auth-form .btn{ border-radius:14px; height:52px; padding:0 22px; font-weight:600; font-family:var(--tb-body); }
.tb-auth-form .btn-primary{ background:var(--tb-accent) !important; border-color:var(--tb-accent) !important; color:#0A0A12 !important; box-shadow:0 10px 30px rgba(124,144,255,.3); }
.tb-auth-form .btn-primary:hover{ background:#8FA0FF !important; }
.tb-auth-form .btn-primary:disabled{ opacity:.45; box-shadow:none; }
.tb-auth-form .btn-default, .tb-auth-form .btn-secondary{ background:transparent !important; border:1px solid var(--tb-border) !important; color:var(--tb-ink) !important; }
.tb-auth-form .btn-default:hover{ border-color:var(--tb-accent) !important; }
.tb-btn-row{ display:flex; gap:10px; margin-top:8px; }
.tb-btn-row .btn-primary{ flex:1; }

.tb-auth-form .alert{ border-radius:12px; font-size:13.5px; border:1px solid; margin:0 0 18px; }
.tb-auth-form .alert-danger{ background:rgba(255,90,90,.08); border-color:rgba(255,90,90,.35); color:#FFB8B8; }
.tb-auth-form .alert-success{ background:rgba(111,214,192,.08); border-color:rgba(111,214,192,.35); color:#A9EBDD; }
.tb-auth-form .alert-warning{ background:rgba(240,190,90,.08); border-color:rgba(240,190,90,.35); color:#F5D59A; }
.tb-auth-form .alert-info{ background:rgba(124,144,255,.08); border-color:rgba(124,144,255,.3); color:#C4CDFF; }

.tb-auth-form .progress{ height:6px; border-radius:6px; background:rgba(255,255,255,.08); }
.tb-auth-form .progress-bar{ border-radius:6px; }
.tb-pwstrength br{ display:none; }

.tb-challenge input[type=text], .tb-challenge input[type=number]{ letter-spacing:.3em; text-align:center; font-family:var(--tb-mono); }
.tb-code{
  margin:6px 0 16px; padding:16px; border-radius:14px; text-align:center;
  font-family:var(--tb-mono); font-size:20px; letter-spacing:.2em; color:var(--tb-ink);
  background:rgba(124,144,255,.08); border:1px dashed rgba(124,144,255,.45);
}