/* صفحة تسجيل الدخول — منصة أداء صيانة مباني أمانة حائل */
:root{
  --g-900:#062520; --g-800:#0A3F35; --g-700:#0D6957; --g-600:#12806A; --g-100:#DBEEE8;
  --sand:#C98A3A; --sand-soft:#F4E7D3; --ink:#16211D; --muted:#5A6762; --line:#D7DED8; --bad:#B8342B; --bad-soft:#F8DEDB;
  --f-body:"IBM Plex Sans Arabic","Segoe UI",Tahoma,sans-serif;
  --f-display:"Noto Kufi Arabic","IBM Plex Sans Arabic","Segoe UI",Tahoma,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%}
body{font-family:var(--f-body);color:var(--ink);background:var(--g-900);-webkit-font-smoothing:antialiased}

.lg{position:relative;min-height:100vh;min-height:100dvh;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(400px,.85fr);isolation:isolate;overflow:hidden}
.lg-bg{position:absolute;inset:0;z-index:-2;background-color:var(--g-800);background-size:cover;background-position:center;transform:scale(1.03);animation:bgIn 1.6s ease-out both}
.lg::before{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(270deg,rgba(6,37,32,.15) 0%,rgba(6,37,32,.45) 48%,rgba(6,37,32,.88) 100%)}

/* الجانب التعريفي */
.lg-hero{display:flex;flex-direction:column;justify-content:space-between;padding:clamp(28px,4vw,64px);color:#fff;min-width:0}
.lg-brand{display:flex;align-items:center;gap:14px}
.lg-mark{width:3.25rem;height:3.25rem;border-radius:14px;display:grid;place-items:center;flex:none;
  background:linear-gradient(145deg,#fff,#E9F3EF);color:var(--g-700);font:700 1.6rem/1 var(--f-display);box-shadow:0 8px 24px rgba(0,0,0,.25)}
.lg-brand b{display:block;font:700 1.05rem/1.4 var(--f-display)}
.lg-brand small{display:block;opacity:.75;font-size:.85rem}
.lg-hero h1{font:700 clamp(2rem,3.6vw,3.4rem)/1.25 var(--f-display);margin:0 0 16px;max-width:15ch;text-wrap:balance}
.lg-hero h1 span{color:#F2C987}
.lg-hero p.lead{font-size:clamp(1rem,1.2vw,1.15rem);line-height:1.8;opacity:.86;max-width:52ch;margin:0 0 28px}
.lg-feats{list-style:none;margin:0;padding:0;display:grid;gap:12px;max-width:520px}
.lg-feats li{display:flex;gap:12px;align-items:center;padding:12px 14px;border-radius:12px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.lg-feats svg{flex:none;width:22px;height:22px;color:#F2C987}
.lg-feats b{display:block;font-weight:600}
.lg-feats small{opacity:.75}
.lg-copy{font-size:.82rem;opacity:.6;margin-top:28px}

/* بطاقة الدخول */
.lg-side{display:grid;place-items:center;padding:clamp(20px,3vw,48px)}
.lg-card{width:min(440px,100%);background:rgba(255,255,255,.97);border-radius:20px;padding:clamp(26px,3vw,40px);
  box-shadow:0 30px 80px rgba(0,0,0,.35),0 2px 6px rgba(0,0,0,.12);animation:cardIn .7s .15s cubic-bezier(.2,.8,.2,1) both;position:relative}
.lg-card::before{content:"";position:absolute;inset:0 0 auto;height:5px;border-radius:20px 20px 0 0;background:linear-gradient(90deg,var(--sand),var(--g-700))}
.lg-card h2{font:700 1.45rem/1.4 var(--f-display);margin:4px 0 6px}
.lg-card .sub{color:var(--muted);margin:0 0 24px;font-size:.92rem}
.lg-err{display:flex;gap:10px;align-items:flex-start;background:var(--bad-soft);color:var(--bad);border-radius:10px;padding:10px 12px;margin-bottom:18px;font-size:.9rem;font-weight:600}
.lg-err svg{flex:none;width:18px;height:18px;margin-top:2px}

.fld{display:grid;gap:7px;margin-bottom:16px}
.fld label{font-weight:600;font-size:.88rem}
.inp{position:relative}
.inp > svg{position:absolute;inset-inline-start:13px;top:50%;transform:translateY(-50%);width:1.2rem;height:1.2rem;color:#8A9792;pointer-events:none}
.inp input{width:100%;height:3.125rem;border:1.5px solid var(--line);border-radius:12px;background:#F7F9F7;
  padding:0 2.75rem;font:500 1rem var(--f-body);color:var(--ink);transition:border-color .15s,box-shadow .15s,background .15s}
.inp input:hover{border-color:#B9C6BF}
.inp input:focus{outline:none;border-color:var(--g-700);background:#fff;box-shadow:0 0 0 4px rgba(13,105,87,.14)}
.inp input:focus + svg,.inp:focus-within > svg{color:var(--g-700)}
.eye{position:absolute;inset-inline-end:8px;top:50%;transform:translateY(-50%);width:2.25rem;height:2.25rem;border:0;border-radius:9px;background:transparent;color:#8A9792;cursor:pointer;display:grid;place-items:center}
.eye:hover{background:#ECF0EB;color:var(--ink)}
.eye:focus-visible{outline:2px solid var(--g-700);outline-offset:1px}
.eye svg{width:1.25rem;height:1.25rem}
.caps{display:none;color:var(--sand);font-size:.8rem;font-weight:600}
.caps.on{display:block}

.btn-login{width:100%;height:3.25rem;border:0;border-radius:12px;margin-top:6px;cursor:pointer;
  background:linear-gradient(135deg,var(--g-600),var(--g-700) 55%,var(--g-800));color:#fff;font:700 1.05rem var(--f-display);
  display:flex;align-items:center;justify-content:center;gap:10px;box-shadow:0 10px 24px rgba(13,105,87,.32);transition:transform .12s,box-shadow .15s,filter .15s}
.btn-login:hover{filter:brightness(1.07);box-shadow:0 14px 30px rgba(13,105,87,.4)}
.btn-login:active{transform:translateY(1px)}
.btn-login:focus-visible{outline:3px solid rgba(201,138,58,.6);outline-offset:2px}
.btn-login .spin{display:none;width:20px;height:20px;border:2.5px solid rgba(255,255,255,.35);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}
.btn-login.busy .spin{display:block}
.btn-login.busy .lbl-arrow{display:none}
.btn-login svg{width:20px;height:20px}

.lg-help{display:flex;gap:10px;align-items:flex-start;margin-top:22px;padding-top:18px;border-top:1px solid var(--line);color:var(--muted);font-size:.84rem;line-height:1.7}
.lg-help svg{flex:none;width:18px;height:18px;margin-top:3px;color:var(--g-700)}
.lg-secure{display:flex;justify-content:center;align-items:center;gap:6px;margin-top:16px;color:#8A9792;font-size:.78rem}
.lg-secure svg{width:14px;height:14px}

@keyframes bgIn{from{opacity:0;transform:scale(1.08)}to{opacity:1;transform:scale(1.03)}}
@keyframes cardIn{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
@keyframes spin{to{transform:rotate(360deg)}}

@media (max-width:960px){
  .lg{grid-template-columns:1fr}
  .lg::before{background:linear-gradient(180deg,rgba(6,37,32,.55),rgba(6,37,32,.85))}
  .lg-hero{padding-bottom:0}
  .lg-hero h1,.lg-hero p.lead,.lg-feats,.lg-copy{display:none}
  .lg-side{align-items:start;padding-top:28px}
}
@media (max-width:480px){
  .lg-card{border-radius:16px}
  .lg-mark{width:44px;height:44px;font-size:1.35rem}
}
/* شاشات قصيرة (جوال بالعرض): بطاقة مضغوطة بلا الجانب التعريفي */
@media (max-height:560px) and (max-width:960px){
  .lg-hero{display:none}
  .lg-side{align-items:center;padding:12px}
  .lg-card{padding:18px 22px}
  .lg-card h2{font-size:1.15rem;margin:0 0 2px}
  .lg-card .sub{margin-bottom:12px;font-size:.84rem}
  .fld{margin-bottom:10px}
  .inp input{height:42px}
  .btn-login{height:44px}
  .lg-help{display:none}
  .lg-secure{margin-top:10px}
}
/* شاشات كبيرة جداً (2K / 4K): تكبير متناسب */
@media (min-width:2200px){
  html{font-size:20px}
  .lg-card{width:min(560px,100%)}
}
@media (min-width:3200px){
  html{font-size:26px}
  .lg-card{width:min(720px,100%)}
}
@media (prefers-reduced-motion:reduce){.lg-bg,.lg-card{animation:none}.btn-login .spin{animation-duration:2s}}