/* ============================================================
   RahaBook — auth.css | نسخه نهایی
   صفحه ورود/عضویت (استایل فرم‌ها از base.css می‌آید)
   ============================================================ */

/* ---------- پس‌زمینه ---------- */
#particles{position:fixed;inset:0;z-index:0}
.orb{position:fixed;border-radius:50%;filter:blur(95px);pointer-events:none;z-index:0}
.av-orb-1{width:460px;height:460px;background:var(--orb-1);top:-140px;inset-inline-end:-120px;animation:orbFloat 10s ease-in-out infinite}
.av-orb-2{width:520px;height:520px;background:var(--orb-2);bottom:-180px;inset-inline-start:-140px;animation:orbFloat 13s ease-in-out infinite reverse}
@keyframes orbFloat{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(40px,-30px) scale(1.08)}}
body::before{content:'';position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:54px 54px;
  -webkit-mask-image:radial-gradient(ellipse 80% 70% at 50% 40%,#000 30%,transparent 75%);
  mask-image:radial-gradient(ellipse 80% 70% at 50% 40%,#000 30%,transparent 75%)}

/* ---------- چیدمان کلی ---------- */
.auth-wrap{position:relative;z-index:1;display:grid;grid-template-columns:minmax(430px,540px) 1fr;min-height:100vh}
.auth-form-side{position:relative;display:flex;flex-direction:column;align-items:center;
  padding:26px 44px 30px;border-inline-end:1px solid var(--border)}
.auth-form-side::after{content:'';position:absolute;inset-inline-end:-1px;top:12%;bottom:12%;width:1px;
  background:linear-gradient(180deg,transparent,var(--o),var(--r),transparent);opacity:.55;filter:blur(.5px)}
.auth-topbar{align-self:stretch;display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.auth-top-actions{display:flex;align-items:center;gap:10px}
.back-link{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:7px;transition:.25s}
.back-link:hover{color:var(--accent-soft)}

.auth-card{width:100%;max-width:470px;margin-block:auto;position:relative;
  background:var(--card);border:1px solid var(--border);border-radius:24px;
  padding:32px 30px;box-shadow:var(--shadow);backdrop-filter:blur(12px);overflow:hidden}
.auth-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--grad);opacity:.9}

.auth-foot{font-size:12px;color:var(--muted);text-align:center;margin-top:16px}
.auth-foot a{color:var(--accent-soft)}

/* ---------- برند موبایل ---------- */
.auth-mobile-brand{display:none;position:relative;z-index:2;align-items:center;justify-content:space-between;padding:16px 20px}

/* ---------- تب‌ها ---------- */
.auth-tabs{position:relative;display:grid;grid-template-columns:1fr 1fr;overflow:hidden;
  background:var(--row-bg);border:1px solid var(--border);border-radius:14px;
  padding:5px;margin-bottom:26px}
.tab-indicator{position:absolute;top:5px;bottom:5px;left:0;width:50%;
  background:var(--grad);border-radius:10px;box-shadow:0 4px 14px rgba(237,27,76,.35);
  transition:left .35s cubic-bezier(.4,0,.2,1), width .35s cubic-bezier(.4,0,.2,1)}
.auth-tab{position:relative;z-index:1;background:none;border:none;font-family:inherit;font-size:14.5px;
  font-weight:700;color:var(--muted);padding:11px;cursor:pointer;transition:color .3s}
.auth-tab.active{color:#fff}

/* ---------- ویوها ---------- */
.auth-view{display:none}
.auth-view.active{display:block}
.auth-view h1{font-size:23px;font-weight:900;margin-bottom:6px}
.auth-sub{color:var(--muted);font-size:13.8px;margin-bottom:24px}
.auth-sub b{color:var(--accent-soft)}
.view-center{text-align:center}
.view-center .auth-sub{max-width:340px;margin-inline:auto}
.view-back{display:inline-flex;align-items:center;gap:7px;background:none;border:1px solid var(--border);
  color:var(--muted);font-family:inherit;font-size:12.5px;font-weight:600;padding:8px 15px;
  border-radius:10px;cursor:pointer;margin-bottom:16px;transition:.25s}
.view-back:hover{color:var(--accent-soft);border-color:rgba(255,140,60,.45)}
.view-ico{width:64px;height:64px;margin:0 auto 16px;border-radius:18px;font-size:26px;color:var(--accent-soft);
  background:linear-gradient(135deg,rgba(255,150,60,.16),rgba(237,27,76,.16));
  border:1px solid rgba(255,140,70,.35);display:flex;align-items:center;justify-content:center}

/* ---------- دکمه اجتماعی و جداکننده ---------- */
.divider{display:flex;align-items:center;gap:14px;margin:20px 0 14px;color:var(--muted);font-size:12px}
.divider::before,.divider::after{content:'';flex:1;height:1px;background:var(--border)}
.btn-social{width:100%;display:flex;align-items:center;justify-content:center;gap:10px;
  padding:12px;border-radius:12px;border:1px solid var(--border);background:var(--btn-ghost-bg);
  color:var(--text);font-family:inherit;font-size:14px;font-weight:700;cursor:pointer;transition:.25s}
.btn-social:hover{transform:translateY(-2px);border-color:rgba(255,140,60,.45)}
.btn-social .fa-google{color:#EA4335}
.swap-line{text-align:center;font-size:13.5px;color:var(--muted);margin-top:20px}
.swap-line a{color:var(--accent-soft);font-weight:700;cursor:pointer}
.swap-line a:hover{text-decoration:underline}

.demo-hint{font-size:12px;text-align:center;margin-top:16px;padding:9px 14px;border-radius:10px;
  background:rgba(255,170,80,.08);border:1px dashed rgba(255,150,60,.4);color:var(--accent-soft)}

/* ---------- OTP ---------- */
.otp-row{display:flex;gap:10px;justify-content:center;margin:24px 0 16px}
.otp-row input{width:52px;height:58px;text-align:center;font-family:inherit;font-size:22px;font-weight:800;
  color:var(--text);background:var(--row-bg);border:1.5px solid var(--border);border-radius:12px;
  transition:.25s;outline:none;caret-color:var(--o);padding:0}
.otp-row input:focus{border-color:rgba(255,140,70,.65);box-shadow:0 0 0 4px rgba(255,120,60,.12)}
.otp-row input.filled{border-color:rgba(255,140,70,.5);background:rgba(255,140,60,.06)}
.otp-row input.otp-err{border-color:rgba(248,113,113,.7);box-shadow:0 0 0 4px rgba(248,113,113,.08)}
.otp-meta{display:flex;justify-content:space-between;align-items:center;font-size:12.5px;
  color:var(--muted);margin-bottom:20px}
.otp-meta b{color:var(--accent-soft)}
#otpResend{background:none;border:none;font-family:inherit;font-size:12.5px;font-weight:700;
  color:var(--accent-soft);cursor:pointer;padding:0}
#otpResend:disabled{color:var(--muted);cursor:not-allowed;opacity:.6}

/* ---------- موفقیت ---------- */
.succ-check{width:92px;height:92px;margin:6px auto 18px;display:block;
  filter:drop-shadow(0 6px 22px rgba(255,110,60,.35))}
.succ-check .sc-circle{stroke-dasharray:283;stroke-dashoffset:283}
.succ-check .sc-tick{stroke-dasharray:60;stroke-dashoffset:60}
.succ-check.play .sc-circle{animation:dashDraw .7s ease forwards}
.succ-check.play .sc-tick{animation:dashDraw .45s .55s ease forwards}
@keyframes dashDraw{to{stroke-dashoffset:0}}

/* ---------- سمت برندینگ ---------- */
.auth-visual{position:relative;display:flex;flex-direction:column;align-items:center;
  justify-content:center;gap:36px;overflow:hidden;padding:40px 20px}
.auth-visual::before{content:'';position:absolute;inset:0;
  background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:54px 54px;opacity:.6;
  -webkit-mask-image:radial-gradient(ellipse 70% 60% at 50% 45%,#000 25%,transparent 75%);
  mask-image:radial-gradient(ellipse 70% 60% at 50% 45%,#000 25%,transparent 75%)}
.auth-visual::after{content:'';position:absolute;width:640px;height:640px;border-radius:50%;
  top:50%;left:50%;transform:translate(-50%,-50%);
  background:radial-gradient(circle,var(--glow),transparent 65%);filter:blur(70px);pointer-events:none}
.auth-visual .book{scale:.92}
.auth-visual .book-float,.auth-visual .quote-card,.chip-float{z-index:2}

.chip-a{top:13%;inset-inline-start:9%}
.chip-b{bottom:24%;inset-inline-end:7%;animation-delay:1.3s}

/* ---------- کارت نقل‌قول چرخشی ---------- */
.quote-card{width:min(420px,86%);background:var(--chip-bg);border:1px solid var(--border);
  border-radius:18px;padding:22px 24px;backdrop-filter:blur(14px);box-shadow:var(--chip-shadow);
  position:relative}
.q-mark{position:absolute;top:18px;inset-inline-end:22px;font-size:26px;opacity:.25;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
#quoteInner{transition:opacity .35s, transform .35s}
#quoteInner.fading{opacity:0;transform:translateY(7px)}
.quote-card p{font-size:14px;line-height:2;color:var(--text);min-height:56px}
.q-author{display:flex;align-items:center;gap:12px;margin-top:14px}
.q-av{width:40px;height:40px;border-radius:50%;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;flex-shrink:0}
.q-author b{display:block;font-size:13.8px}
.q-author span{font-size:11.8px;color:var(--muted)}
.q-dots{display:flex;gap:6px;margin-top:16px}
.q-dot{width:8px;height:8px;border-radius:99px;border:none;background:var(--track);cursor:pointer;
  transition:.3s;padding:0}
.q-dot.active{width:22px;background:var(--grad)}

/* ---------- ریسپانسیو ---------- */
@media(max-width:1200px){
  .auth-wrap{grid-template-columns:minmax(400px,480px) 1fr}
  .auth-form-side{padding:22px 30px 26px}
}
@media(max-width:1080px){
  .auth-wrap{grid-template-columns:1fr}
  .auth-visual{display:none}
  .auth-topbar{display:none}
  .auth-mobile-brand{display:flex}
  .auth-form-side{border-inline-end:none;max-width:560px;width:100%;margin:0 auto;
    padding:6px 20px 40px}
}
@media(max-width:430px){
  .auth-card{padding:26px 18px}
  .auth-view h1{font-size:20.5px}
  .otp-row input{width:44px;height:52px;font-size:19px}
  .otp-row{gap:8px}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
}