/* Tacliin login + WhatsApp OTP screens */
:root{--tl-blue:#0222D6;--tl-blue-dark:#0119a8;--tl-sky:#e8f0ff;--tl-sky-2:#d3e2ff;--tl-ink:#101a3d;--tl-muted:#5f6b8f;--tl-line:#d9e1f5}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%}
body.tl-body{
  font-family:'Plus Jakarta Sans',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  color:var(--tl-ink);min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:24px 16px;overflow-x:hidden;position:relative;
  background:
    radial-gradient(900px 500px at 8% 6%,var(--tl-sky-2) 0,transparent 60%),
    radial-gradient(800px 520px at 96% 92%,var(--tl-sky-2) 0,transparent 60%),
    linear-gradient(180deg,#f6f9ff 0,#eef3ff 100%);
}
/* faint school motif: graph-paper grid + soft rings */
body.tl-body::before{content:"";position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.35;
  background-image:linear-gradient(rgba(2,34,214,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(2,34,214,.05) 1px,transparent 1px);
  background-size:42px 42px;-webkit-mask-image:radial-gradient(ellipse at center,transparent 25%,#000 90%);mask-image:radial-gradient(ellipse at center,transparent 25%,#000 90%)}
body.tl-body::after{content:"";position:fixed;z-index:1;right:-120px;top:-120px;width:360px;height:360px;border-radius:50%;pointer-events:none;
  border:36px solid rgba(2,34,214,.05)}
/* School campus background (shared by login + OTP). One optimized WebP, referenced relative to this
   stylesheet so it follows the app's public URL. Layers: gradient (fallback) < campus image < grid/rings < card. */
.tl-bg{position:fixed;inset:0;z-index:0;pointer-events:none;
  background:url('../assets/images/auth/tacliin-school-bg.webp') center bottom/cover no-repeat}
.tl-wrap{position:relative;z-index:1;width:100%;max-width:440px;display:flex;flex-direction:column;align-items:center}
.tl-logo{display:block;max-width:230px;width:60%;height:auto;margin:0 auto 22px}
.tl-card{width:100%;background:#fff;border-radius:22px;padding:34px 32px 28px;
  box-shadow:0 18px 50px rgba(2,34,214,.12),0 2px 8px rgba(16,26,61,.06);border:1px solid rgba(2,34,214,.06)}
.tl-card h1{margin:0 0 6px;font-size:26px;font-weight:700;text-align:center;letter-spacing:-.01em}
.tl-sub{margin:0 0 24px;text-align:center;color:var(--tl-muted);font-size:14.5px;line-height:1.5}
.tl-sub strong{color:var(--tl-ink)}
.tl-field{margin-bottom:16px}
.tl-label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:var(--tl-ink)}
.tl-input-wrap{position:relative}
.tl-input-wrap>svg.tl-ico{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:#7b88b0;pointer-events:none}
.tl-input{width:100%;height:50px;border:1.5px solid var(--tl-line);border-radius:14px;background:#f8faff;padding:0 46px 0 44px;
  font:inherit;font-size:15px;color:var(--tl-ink);outline:none;transition:border-color .15s,box-shadow .15s,background .15s}
.tl-input::placeholder{color:#9aa5c6}
.tl-input:focus{border-color:var(--tl-blue);background:#fff;box-shadow:0 0 0 4px rgba(2,34,214,.12)}
.tl-eye{position:absolute;right:6px;top:50%;transform:translateY(-50%);width:38px;height:38px;border:0;background:transparent;border-radius:10px;
  color:#7b88b0;cursor:pointer;display:flex;align-items:center;justify-content:center}
.tl-eye:hover{background:var(--tl-sky);color:var(--tl-blue)}
.tl-eye svg{width:19px;height:19px}
.tl-btn{width:100%;height:52px;border:0;border-radius:14px;background:var(--tl-blue);color:#fff;font:inherit;font-size:16px;font-weight:700;cursor:pointer;
  display:flex;align-items:center;justify-content:center;gap:8px;margin-top:8px;box-shadow:0 8px 20px rgba(2,34,214,.28);transition:background .15s,transform .05s}
.tl-btn:hover{background:var(--tl-blue-dark)}
.tl-btn:active{transform:translateY(1px)}
.tl-btn[disabled]{opacity:.6;cursor:not-allowed}
.tl-alert{border-radius:12px;padding:11px 14px;font-size:13.5px;line-height:1.45;margin:0 0 18px;border:1px solid}
.tl-alert.danger{background:#fff1f1;border-color:#f6c5c5;color:#9b1c1c}
.tl-alert.warning{background:#fff8e6;border-color:#f3dc9d;color:#8a5a00}
.tl-alert.success{background:#ecfbf1;border-color:#b8e6c8;color:#12683a}
.tl-otp{display:flex;gap:10px;justify-content:center;margin:6px 0 20px}
.tl-otp input{flex:1 1 0;min-width:0;max-width:56px;height:58px;text-align:center;font:inherit;font-size:24px;font-weight:700;color:var(--tl-ink);
  border:1.5px solid var(--tl-line);border-radius:14px;background:#f8faff;outline:none;padding:0;transition:border-color .15s,box-shadow .15s}
.tl-otp input:focus{border-color:var(--tl-blue);background:#fff;box-shadow:0 0 0 4px rgba(2,34,214,.12)}
.tl-mask{display:block;text-align:center;font-size:17px;font-weight:700;color:var(--tl-blue);margin:-8px 0 18px;letter-spacing:.02em}
.tl-resend{text-align:center;font-size:13.5px;color:var(--tl-muted);margin-top:20px}
.tl-resend button,.tl-link{background:none;border:0;padding:0;font:inherit;font-weight:700;color:var(--tl-blue);cursor:pointer;text-decoration:none}
.tl-resend button[disabled]{color:#9aa5c6;cursor:not-allowed}
.tl-resend button:not([disabled]):hover,.tl-link:hover{text-decoration:underline}
.tl-back{display:block;text-align:center;margin-top:14px;font-size:13.5px}
.tl-foot{margin-top:22px;text-align:center;font-size:12.5px;color:var(--tl-muted);line-height:1.7}
.tl-foot .tl-lock{display:inline-flex;align-items:center;gap:6px}
.tl-foot svg{width:14px;height:14px;color:var(--tl-blue)}
.tl-foot b{color:var(--tl-ink);font-weight:600}
@media (max-width:820px){
  .tl-bg{background-image:url('../assets/images/auth/tacliin-school-bg-sm.webp')}
}
@media (max-width:480px){
  body.tl-body{padding:18px 12px;justify-content:flex-start;padding-top:28px}
  .tl-card{padding:26px 18px 22px;border-radius:18px}
  .tl-card h1{font-size:22px}
  .tl-otp{gap:6px}
  .tl-otp input{height:50px;font-size:20px;border-radius:11px}
  .tl-logo{max-width:190px}
}
@media (max-height:700px) and (min-width:481px){
  body.tl-body{justify-content:flex-start}
  .tl-logo{max-width:170px;margin-bottom:14px}
}