/* ============================================================
   صفحه ورود / ثبت‌نام کاربر — مجتمع آموزشی یاسین
   از توکن‌های style.css استفاده می‌کند
   ============================================================ */
.login-body{
  min-height:100vh;
  display:grid;place-items:center;
  padding:26px 16px;
  background:
    radial-gradient(1100px 620px at 88% -12%, rgba(24,183,208,.18), transparent 60%),
    radial-gradient(900px 560px at -6% 108%, rgba(242,58,110,.12), transparent 58%),
    var(--page);
}

.auth-shell{
  width:min(1000px,100%);
  display:grid;
  grid-template-columns:1.05fr 1fr;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:28px;
  overflow:hidden;
  box-shadow:var(--shadow-lg);
}

/* ---------- ستون برند (تصویری) ---------- */
.auth-brand{
  position:relative;
  padding:42px 38px;
  color:#fff;
  background:var(--grad-brand);
  overflow:hidden;
  display:flex;flex-direction:column;
}
.auth-brand::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(420px 420px at 80% 12%, rgba(255,255,255,.16), transparent 60%),
    radial-gradient(360px 360px at 10% 92%, rgba(242,58,110,.28), transparent 60%);
}
.auth-brand::after{
  content:"";position:absolute;right:-70px;bottom:-90px;
  width:280px;height:280px;border-radius:50%;
  border:34px solid rgba(255,255,255,.08);
}
.auth-brand > *{position:relative;z-index:1}
.auth-logo{display:flex;align-items:center;gap:12px;margin-bottom:auto}
.auth-logo .m{
  width:48px;height:48px;border-radius:15px;display:grid;place-items:center;
  font-weight:900;font-size:24px;
  background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.3);
  backdrop-filter:blur(6px);box-shadow:inset 0 1px 0 rgba(255,255,255,.4);
}
.auth-logo .t strong{display:block;font-size:18px;font-weight:800}
.auth-logo .t small{font-size:12px;opacity:.85}

.auth-welcome{margin:36px 0 26px}
.auth-welcome h1{font-size:27px;font-weight:900;line-height:1.5;letter-spacing:-.02em}
.auth-welcome p{margin-top:10px;font-size:13.5px;line-height:1.95;opacity:.9;max-width:340px}

.auth-feats{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:13px}
.auth-feats li{display:flex;align-items:center;gap:12px;font-size:13.5px;font-weight:600}
.auth-feats .fic{
  width:38px;height:38px;flex:none;border-radius:12px;display:grid;place-items:center;
  background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.24);
}
.auth-feats .fic svg{width:19px;height:19px}

/* ---------- ستون فرم ---------- */
.auth-form-side{padding:40px 40px 36px;display:flex;flex-direction:column}
.auth-tabs{
  display:flex;gap:6px;padding:5px;border-radius:15px;
  background:var(--soft);border:1px solid var(--line);margin-bottom:26px;
}
.auth-tab{
  flex:1;border:none;background:transparent;
  padding:12px;border-radius:11px;
  font-size:14px;font-weight:800;color:var(--muted);transition:.22s;
}
.auth-tab.on{color:#fff;background:var(--grad-brand);box-shadow:0 8px 18px rgba(13,141,182,.3)}

.auth-pane{display:none}
.auth-pane.on{display:block;animation:authIn .4s cubic-bezier(.22,.8,.28,1)}
@keyframes authIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.auth-pane h2{font-size:20px;font-weight:900;color:var(--ink);margin-bottom:4px}
.auth-pane .lead{color:var(--muted);font-size:13px;margin-bottom:22px}

.af{margin-bottom:15px}
.af label{display:block;font-size:12.5px;font-weight:700;color:var(--ink-soft);margin-bottom:7px}
.af .req{color:var(--accent)}
.input-wrap{position:relative}
.input-wrap .lead-ic{
  position:absolute;top:50%;transform:translateY(-50%);right:13px;
  width:18px;height:18px;color:var(--muted);pointer-events:none;
}
.af input{
  width:100%;padding:13px 42px 13px 14px;
  background:var(--soft);border:1.6px solid var(--line);border-radius:13px;
  font-size:13.5px;color:var(--ink);transition:.18s;
}
.af.pw input{padding-left:44px}
.af input::placeholder{color:#a9b4c4}
.af input:focus{outline:none;border-color:var(--primary);background:#fff;box-shadow:var(--ring)}
.af.invalid input{border-color:var(--accent);box-shadow:0 0 0 4px rgba(242,58,110,.12)}
.af .err{font-size:11px;color:var(--accent);font-weight:600;margin-top:5px;display:none}
.af.invalid .err{display:block}
.pw-toggle{
  position:absolute;top:50%;transform:translateY(-50%);left:10px;
  width:30px;height:30px;border:none;background:transparent;color:var(--muted);
  display:grid;place-items:center;border-radius:8px;
}
.pw-toggle:hover{background:var(--line);color:var(--ink)}
.pw-toggle svg{width:18px;height:18px}

.af-row{display:flex;align-items:center;justify-content:space-between;margin:2px 0 20px}
.remember{display:flex;align-items:center;gap:9px;cursor:pointer;font-size:12.5px;color:var(--ink-soft);font-weight:600}
.remember .box{
  width:20px;height:20px;border-radius:7px;border:1.8px solid var(--line);background:#fff;
  display:grid;place-items:center;transition:.18s;
}
.remember .box svg{width:12px;height:12px;color:#fff;opacity:0;transition:.15s}
.remember.on .box{background:var(--primary);border-color:var(--primary)}
.remember.on .box svg{opacity:1}
.link-mini{font-size:12.5px;font-weight:700;color:var(--primary);background:none;border:none}
.link-mini:hover{text-decoration:underline}

.auth-btn{
  width:100%;padding:14px;border:none;border-radius:13px;
  font-size:15px;font-weight:800;color:#fff;
  background:var(--grad-brand);box-shadow:0 12px 26px rgba(13,141,182,.34);
  transition:.2s;
}
.auth-btn:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(13,141,182,.42)}
.auth-btn.accent{background:linear-gradient(135deg,var(--accent),var(--accent-deep));box-shadow:0 12px 26px rgba(242,58,110,.34)}
.auth-btn.accent:hover{box-shadow:0 16px 32px rgba(242,58,110,.42)}

.auth-or{display:flex;align-items:center;gap:14px;margin:20px 0;color:var(--muted);font-size:12px}
.auth-or::before,.auth-or::after{content:"";flex:1;height:1px;background:var(--line)}
.auth-alt{
  width:100%;padding:12px;border-radius:13px;
  background:#fff;border:1.6px solid var(--line);
  font-size:13.5px;font-weight:700;color:var(--ink-soft);
  display:flex;align-items:center;justify-content:center;gap:9px;transition:.18s;
}
.auth-alt:hover{border-color:var(--primary-2);color:var(--ink)}
.auth-alt svg{width:18px;height:18px;color:var(--primary)}

.auth-note{
  margin-top:20px;padding:13px;border-radius:12px;
  background:linear-gradient(135deg,rgba(13,141,182,.07),rgba(242,58,110,.05));
  border:1px solid var(--line);
  font-size:11.5px;line-height:1.85;color:var(--muted);display:flex;gap:9px;
}
.auth-note svg{width:16px;height:16px;flex:none;color:var(--primary);margin-top:2px}

.auth-foot{text-align:center;margin-top:18px;font-size:12.5px;color:var(--muted)}
.auth-foot a{color:var(--primary);font-weight:700}

/* پیام موفقیت */
.auth-toast{
  position:fixed;top:22px;left:50%;transform:translateX(-50%) translateY(-30px);
  background:var(--ink);color:#fff;padding:13px 22px;border-radius:14px;
  font-size:13px;font-weight:700;box-shadow:var(--shadow-lg);
  display:flex;align-items:center;gap:10px;opacity:0;pointer-events:none;transition:.35s;z-index:80;
}
.auth-toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.auth-toast svg{width:18px;height:18px;color:#4ade80}

/* ---------- واکنش‌گرا ---------- */
@media (max-width:820px){
  .auth-shell{grid-template-columns:1fr;max-width:440px}
  .auth-brand{padding:28px 30px;flex-direction:row;align-items:center;gap:18px}
  .auth-welcome,.auth-feats{display:none}
  .auth-logo{margin:0}
  .auth-brand-tag{font-size:13px;font-weight:700;opacity:.92}
  .auth-form-side{padding:30px 26px 30px}
}
@media (max-width:420px){
  .auth-form-side{padding:26px 20px}
  .af-row{flex-wrap:wrap;gap:10px}
}
@media (prefers-reduced-motion:reduce){
  .auth-pane.on{animation:none}
}
.auth-brand-tag{position:relative;z-index:2;margin-top:28px;color:#fff;text-decoration:none;font-size:13px;font-weight:700;opacity:.9}
.auth-message{display:none;margin-top:16px;padding:11px 13px;border-radius:11px;font-size:12.5px;font-weight:700;line-height:1.8}
.auth-message.show{display:block}.auth-message.error{background:#fff0f0;color:#b42318;border:1px solid #ffd1d1}.auth-message.success{background:#ecfdf3;color:#087443;border:1px solid #b7efcf}
.auth-pending{text-align:center}.pending-icon{font-size:52px;margin:18px 0}.auth-pending .auth-alt{margin-top:10px}

.password-rule{display:block;margin:-2px 0 7px;color:#6b7280;font-size:12px;line-height:1.7}