/* Вход и регистрация — по „Auth Page" на Efferd (21st.dev): отляво
   плаващите линии, отдясно формата с бърз вход. Тук в тъмните топли
   тонове на началната страница, линиите са златни. */
.auth-page{--a-bg:#1b1511;--a-bg-2:#14100d;--a-ink:#f6f1ea;--a-muted:rgba(246,241,234,.62);--a-faint:rgba(246,241,234,.38);
  --a-line:rgba(232,201,164,.16);--a-line-2:rgba(232,201,164,.30);--a-gold:#e8c9a4;--a-gold-2:#d9ad78;
  --a-field:rgba(255,246,236,.04);--a-bad:#ff9b7a;
  background:var(--a-bg);color:var(--a-ink);min-height:100vh;color-scheme:dark}
.auth{display:grid;grid-template-columns:1fr 1fr;min-height:100vh;min-height:100dvh}

/* --- отляво: линиите ------------------------------
   Всичко тук се рисува веднъж; движат се само два слоя с transform —
   това е работа на видеокартата и не товари браузъра. */
.auth-side{position:relative;overflow:hidden;border-right:1px solid var(--a-line);
  background:radial-gradient(90% 70% at 45% 38%,#2b2119 0%,#1a140f 55%,var(--a-bg-2) 100%);
  display:flex;flex-direction:column;justify-content:space-between;padding:40px}
.auth-side::after{content:"";position:absolute;inset:auto 0 0;height:42%;pointer-events:none;
  background:linear-gradient(to top,var(--a-bg-2) 30%,transparent)}
.auth-lines{position:absolute;inset:-8%;opacity:.7;pointer-events:none;will-change:transform;
  animation:auth-drift 28s ease-in-out infinite alternate}
.auth-paths{position:absolute;inset:0;width:100%;height:100%;color:var(--a-gold);overflow:visible}
.auth-paths path{fill:none;stroke:currentColor}
@keyframes auth-drift{from{transform:translate3d(-3%,2%,0)}to{transform:translate3d(3%,-2%,0)}}
.auth-logo{position:relative;z-index:3;display:inline-flex;align-items:center;gap:12px;color:var(--a-ink);
  text-decoration:none;font:700 20px/1 var(--head);letter-spacing:-.02em}
.auth-logo svg{width:32px;height:32px;color:var(--a-gold)}
.auth-claim{position:relative;z-index:3;max-width:520px}
.auth-eyebrow{font:500 12px/1 'JetBrains Mono',ui-monospace,monospace;letter-spacing:.18em;text-transform:uppercase;
  color:var(--a-gold);margin-bottom:18px}
.auth-big{font:800 clamp(2.2rem,3.6vw,3.6rem)/1.04 'Unbounded',var(--head);letter-spacing:-.03em;margin-bottom:18px}
.auth-small{color:var(--a-muted);font-size:16px;line-height:1.6;max-width:42ch}

/* --- отдясно ------------------------------------------------------------ */
.auth-main{position:relative;overflow:hidden;display:grid;place-items:center;padding:96px clamp(16px,5vw,64px) 48px}
.auth-glow{position:absolute;inset:0;pointer-events:none;opacity:.9;
  background:
    radial-gradient(68% 55% at 55% 0%,rgba(232,201,164,.08),transparent 70%),
    radial-gradient(50% 45% at 85% 5%,rgba(217,173,120,.06),transparent 75%)}
.auth-home{position:absolute;top:28px;left:clamp(16px,4vw,40px);z-index:3;display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px 8px 10px;border-radius:999px;border:1px solid transparent;color:var(--a-muted);text-decoration:none;
  font-size:14px;transition:color .2s,border-color .2s,background .2s}
.auth-home svg{width:16px;height:16px;transform:rotate(180deg);transition:transform .2s}
.auth-home:hover{color:var(--a-ink);border-color:var(--a-line);background:rgba(255,246,236,.03)}
.auth-home:hover svg{transform:rotate(180deg) translateX(3px)}
.auth-card{position:relative;z-index:2;width:100%;max-width:420px}
.auth-logo-mobile{display:none;margin-bottom:28px}

.auth-steps{position:relative;transition:height .45s cubic-bezier(.2,.8,.2,1)}
.auth-step{display:block;transition:opacity .35s ease,transform .45s cubic-bezier(.2,.8,.2,1)}
.auth-step.leaving{position:absolute;inset:0 0 auto;opacity:0;transform:translateX(-28px);pointer-events:none}
.auth-step.entering{opacity:0;transform:translateX(28px)}
.auth-step.back.leaving{transform:translateX(28px)}
.auth-step.back.entering{transform:translateX(-28px)}

.auth-head{margin-bottom:26px}
.auth-head h1{font:800 clamp(1.6rem,2.4vw,2rem)/1.12 'Unbounded',var(--head);letter-spacing:-.03em;margin-bottom:10px}
.auth-head p{color:var(--a-muted);font-size:15px;line-height:1.55}

/* поява на първата стъпка — едно след друго */
.anim{animation:auth-in .7s cubic-bezier(.2,.8,.2,1) both;animation-delay:calc(var(--i,0) * 70ms + 150ms)}
@keyframes auth-in{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

.auth-quick{display:grid;gap:10px}
.auth-provider{position:relative;display:flex;align-items:center;justify-content:center;gap:12px;height:50px;padding:0 18px;
  border-radius:12px;border:1px solid var(--a-line-2);background:rgba(255,246,236,.035);color:var(--a-ink);text-decoration:none;
  font:600 15px/1 var(--body);overflow:hidden;isolation:isolate;
  transition:border-color .25s,background .25s,transform .2s}
.auth-provider svg{width:20px;height:20px;flex:none}
.auth-provider::before{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(110deg,transparent 30%,rgba(232,201,164,.16) 50%,transparent 70%);
  transform:translateX(-100%);transition:transform .7s ease}
.auth-provider:hover{border-color:var(--a-gold);background:rgba(255,246,236,.06);transform:translateY(-1px)}
.auth-provider:hover::before{transform:translateX(100%)}
.auth-provider:active{transform:translateY(0) scale(.99)}
.auth-provider.nope{animation:auth-shake .42s}
.auth-or{display:flex;align-items:center;gap:14px;margin:22px 0;color:var(--a-faint);
  font:500 11px/1 'JetBrains Mono',ui-monospace,monospace;letter-spacing:.2em;text-transform:uppercase}
.auth-or::before,.auth-or::after{content:"";flex:1;height:1px;background:linear-gradient(90deg,transparent,var(--a-line-2),transparent)}

.auth-label{display:block;margin:0 0 8px;font:500 12px/1 'JetBrains Mono',ui-monospace,monospace;letter-spacing:.1em;
  text-transform:uppercase;color:var(--a-muted)}
.auth-label small{font-size:inherit;text-transform:none;letter-spacing:0;color:var(--a-faint)}
.auth-field{position:relative;display:flex;align-items:center;height:50px;margin-bottom:16px;border-radius:12px;
  border:1px solid var(--a-line-2);background:var(--a-field);transition:border-color .2s,box-shadow .25s,background .2s}
.auth-field>svg{width:18px;height:18px;margin:0 2px 0 14px;flex:none;fill:none;stroke:var(--a-faint);stroke-width:1.7;
  stroke-linecap:round;stroke-linejoin:round;transition:stroke .2s}
.auth-field input{flex:1;min-width:0;height:100%;padding:0 14px 0 10px;border:0;outline:0;background:transparent;
  color:var(--a-ink);font:16px/1 var(--body)}
.auth-field input::placeholder{color:var(--a-faint)}
.auth-field:focus-within{border-color:var(--a-gold);background:rgba(255,246,236,.06);
  box-shadow:0 0 0 4px rgba(232,201,164,.12),0 10px 30px -12px rgba(232,201,164,.35)}
.auth-field:focus-within>svg{stroke:var(--a-gold)}
.auth-field.bad{border-color:var(--a-bad);animation:auth-shake .42s}
.auth-field input:-webkit-autofill{-webkit-text-fill-color:var(--a-ink);transition:background-color 9999s}
@keyframes auth-shake{20%{transform:translateX(-7px)}40%{transform:translateX(6px)}60%{transform:translateX(-4px)}80%{transform:translateX(2px)}}

.auth-eye{display:grid;place-items:center;width:44px;height:44px;margin-right:3px;border:0;border-radius:10px;
  background:transparent;color:var(--a-faint);cursor:pointer}
.auth-eye:hover{color:var(--a-ink)}
.auth-eye svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round}
.auth-eye-slash{stroke-dasharray:23;stroke-dashoffset:0;transition:stroke-dashoffset .3s}
.auth-eye[aria-pressed="true"] .auth-eye-slash{stroke-dashoffset:23}

.auth-meter{display:grid;grid-template-columns:repeat(4,1fr) auto;align-items:center;gap:6px;margin:-6px 0 18px}
.auth-meter i{height:4px;border-radius:4px;background:rgba(255,246,236,.08);position:relative;overflow:hidden}
.auth-meter i::after{content:"";position:absolute;inset:0;background:var(--c,var(--a-gold));transform:scaleX(0);transform-origin:left;
  transition:transform .35s cubic-bezier(.2,.8,.2,1)}
.auth-meter span{min-width:72px;text-align:right;font:500 11px/1 'JetBrains Mono',ui-monospace,monospace;color:var(--a-muted)}
.auth-meter[data-level="1"]{--c:#ff9b7a}.auth-meter[data-level="2"]{--c:#f3c46b}
.auth-meter[data-level="3"]{--c:#c9d77a}.auth-meter[data-level="4"]{--c:#7fd6a0}
.auth-meter[data-level="1"] i:nth-child(-n+1)::after,.auth-meter[data-level="2"] i:nth-child(-n+2)::after,
.auth-meter[data-level="3"] i:nth-child(-n+3)::after,.auth-meter[data-level="4"] i::after{transform:scaleX(1)}

.auth-submit{position:relative;display:flex;align-items:center;justify-content:center;gap:10px;width:100%;height:52px;
  border:0;border-radius:12px;cursor:pointer;overflow:hidden;color:#1b1511;font:700 15px/1 var(--body);
  background:linear-gradient(135deg,#f1dcc0,var(--a-gold) 45%,var(--a-gold-2));
  box-shadow:0 10px 30px -10px rgba(232,201,164,.55),inset 0 1px 0 rgba(255,255,255,.4);
  transition:transform .2s,box-shadow .25s,filter .2s}
.auth-submit::before{content:"";position:absolute;inset:0;background:linear-gradient(110deg,transparent 35%,rgba(255,255,255,.45) 50%,transparent 65%);
  transform:translateX(-120%);transition:transform .8s ease}
.auth-submit:hover{transform:translateY(-1px);box-shadow:0 16px 36px -12px rgba(232,201,164,.7),inset 0 1px 0 rgba(255,255,255,.4)}
.auth-submit:hover::before{transform:translateX(120%)}
.auth-submit:active{transform:scale(.99)}
.auth-submit>svg{width:18px;height:18px;transition:transform .2s}
.auth-submit:hover>svg{transform:translateX(3px)}
.auth-spin{position:absolute;width:20px;height:20px;border-radius:50%;border:2px solid rgba(27,21,17,.25);border-top-color:#1b1511;
  opacity:0;animation:auth-rot .7s linear infinite}
.auth-submit.busy{pointer-events:none;filter:saturate(.8)}
.auth-submit.busy>span,.auth-submit.busy>svg{opacity:0}
.auth-submit.busy .auth-spin{opacity:1}
@keyframes auth-rot{to{transform:rotate(360deg)}}

.auth-error{margin-top:14px;padding:11px 14px;border-radius:10px;border:1px solid rgba(255,155,122,.3);background:rgba(255,155,122,.07);
  color:#ffc3ae;font-size:14px;line-height:1.45;animation:auth-drop .35s cubic-bezier(.2,.8,.2,1)}
@keyframes auth-drop{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}

.auth-email-chip{display:inline-flex;align-items:center;gap:8px;max-width:100%;margin-top:6px;padding:5px 6px 5px 12px;border-radius:999px;
  border:1px solid var(--a-line-2);background:rgba(255,246,236,.04);color:var(--a-ink);font:inherit;cursor:pointer;vertical-align:middle}
.auth-email-chip b{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.auth-email-chip span{padding:3px 8px;border-radius:999px;background:rgba(232,201,164,.12);color:var(--a-gold);font-size:12px}
.auth-email-chip:hover{border-color:var(--a-gold)}

.auth-done{text-align:center;padding:24px 0}
.auth-done h1{font:800 1.8rem/1.1 'Unbounded',var(--head);margin:18px 0 8px}
.auth-done p{color:var(--a-muted)}
.auth-check{width:76px;height:76px;fill:none;stroke:var(--a-gold);stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.auth-check circle{stroke-dasharray:151;stroke-dashoffset:151;animation:auth-draw .7s cubic-bezier(.65,0,.45,1) forwards}
.auth-check path{stroke-dasharray:36;stroke-dashoffset:36;animation:auth-draw .4s .55s cubic-bezier(.65,0,.45,1) forwards}
.auth-done.on .auth-check{animation:auth-pop .5s .9s ease both}
@keyframes auth-draw{to{stroke-dashoffset:0}}
@keyframes auth-pop{50%{transform:scale(1.08)}}

.auth-note{margin-top:26px;color:var(--a-faint);font-size:13px;line-height:1.55;text-align:center}
.auth-page :focus-visible{outline:2px solid var(--a-gold);outline-offset:3px}

/* --- тесен екран: линиите зад формата --------------------------------- */
@media (max-width:960px){
  .auth{grid-template-columns:1fr}
  .auth-side{display:none}
  .auth-logo-mobile{display:inline-flex}
  .auth-main{padding-top:88px;align-items:start}
}
@media (prefers-reduced-motion:reduce){
  .auth-lines,.anim,.auth-check circle,.auth-check path{animation:none}
  .auth-check circle,.auth-check path{stroke-dashoffset:0}
  .auth-step,.auth-steps{transition:none}
}
/* полето вече свети при фокус — без втора рамка около самото поле за писане */
.auth-page .auth-field input:focus-visible{outline:0}