/* ======================= RESET & ROOT ======================= */
*,
*::before,
*::after { box-sizing: border-box; }
html, body { height: 100%; }

:root{
  /* Spójne z indexem */
  --bg: #050508;
  --grid: rgba(255,255,255,0.04);
  --text: #f3f4f6;
  --muted: rgba(243,244,246,0.78);
  --accent: #7c3aed;
  --accent-2: #a78bfa;
  --ring: #93c5fd;
  --radius: 14px;
  --shadow: 0 10px 40px rgba(0,0,0,0.45);
  --shellBorder: rgba(255,255,255,0.08);
  --shellBg: rgba(17,17,20,0.72);
  --ease-out: cubic-bezier(.22,.61,.36,1);
  --ease-smooth: cubic-bezier(.2,.8,.2,1);

  /* Dodatkowe z logowania (dla zgodności) */
  --panel: rgba(17,17,22,0.72);
  --border: rgba(255,255,255,0.10);
}

/* ======================= BODY / TYPO ======================= */
/* czcionka jak w indexie – lżejsza i czytelna */
body{
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans";
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: .1px;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  text-rendering: geometricPrecision;

  /* w logowaniu: brak scrolla, ale zostawiam przewijanie jeśli formularz jest wysoki na mniejszych ekranach */
  overflow-x: hidden;
  overflow-y: hidden;
}

/* ======================= TŁO (pozostawione, lekko zsynchronizowane) ======================= */
.bg-grid{
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(100% 100% at 50% 0%, rgba(124,58,237,0.08), transparent 55%),
    linear-gradient(to bottom, rgba(0,0,0,0.35), transparent 35% 65%, rgba(0,0,0,0.55)),
    repeating-linear-gradient(to right, transparent 0 78px, var(--grid) 78px 79px),
    repeating-linear-gradient(to bottom, transparent 0 78px, var(--grid) 78px 79px);
  mask-image: radial-gradient(80% 80% at 50% 40%, black 30%, transparent 100%);
  animation: gridDrift 12s linear infinite;
}
.blob{ position: fixed; filter: blur(50px); opacity: .5; z-index: 0; transform: translateZ(0);
  animation: float 20s ease-in-out infinite, breath 7s var(--ease-smooth) infinite; }
.blob-a{ width: 640px; height: 640px; left: -120px; top: -120px; background: radial-gradient(closest-side, rgba(124,58,237,.7), rgba(124,58,237,0)); }
.blob-b{ width: 520px; height: 520px; right: -140px; top: 22%; background: radial-gradient(closest-side, rgba(167,139,250,.55), rgba(124,58,237,0)); }
.blob-c{ width: 460px; height: 460px; left: 18%; bottom: -160px; background: radial-gradient(closest-side, rgba(99,102,241,.5), rgba(124,58,237,0)); }

@keyframes float{ 0%,100%{ transform: translate3d(0,0,0) } 50% { transform: translate3d(0,-16px,0) } }
@keyframes breath{ 0%,100%{ opacity:.48 } 50%{ opacity:.6 } }
@keyframes gridDrift { 0%{ background-position:0 0, 0 0, 0 0, 0 0; } 100%{ background-position:0 0, 0 0, 30px 0, 0 30px; } }

/* ======================= NAVBAR (identyczna jak w indexie) ======================= */
.nav {
  position: fixed;
  top: 18px;
  left: 0; right: 0;
  z-index: 10;
  display: grid;
  place-items: center;
  padding: 0 16px;
}
.nav-shell {
  width: min(1180px, 100%);
  height: 100px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: 2000px;
  background: var(--shellBg);
  border: 1px solid var(--shellBorder);
  box-shadow: 0 8px 30px rgba(0,0,0,0.4);
  backdrop-filter: blur(12px);
  position: relative;
  overflow: hidden;
}
.nav-shell::after{
  content:"";
  position:absolute; inset:0;
  background: linear-gradient(90deg, rgba(167,139,250,.18) 0%, rgba(124,58,237,.25) 50%, rgba(167,139,250,.18) 100%);
  opacity: 0;
  transform: translateX(-100%);
  pointer-events: none;
}
.nav-shell:hover::after{ animation: glowSweep 1.2s cubic-bezier(.4,0,.2,1); }
@keyframes glowSweep{
  0%   { opacity:0; transform:translateX(-100%); }
  25%  { opacity:.35; }
  50%  { opacity:.5; }
  100% { opacity:0; transform:translateX(100%); }
}

/* logo – kompatybilność i z indexu, i z logowania */
.nav-brand { display:inline-flex; align-items:center; gap:10px; text-decoration:none; color:#fff; }
.nav-brand img,
.brand-logo { width: 78px; height: 78px; display:block; border-radius: 6px; }

.nav-center { display: flex; justify-content: center; gap: 28px; }
.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 500;
  color: rgba(243,244,246,0.8);
  text-decoration: none;
  padding: 10px 4px;
  transition: color .15s ease, background-size .25s ease;
  --underline-y: 8px;
  background: linear-gradient(90deg, rgba(167,139,250,0.9), rgba(124,58,237,0.9));
  background-size: 0% 2px;
  background-repeat: no-repeat;
  background-position: 0 calc(100% - var(--underline-y));
}
.nav-link:hover { color: #fff; }
.nav-link.is-active { color: #fff; font-weight: 600; }
.nav-link:hover, .nav-link.is-active { background-size: 100% 2px; }

.nav-right { display: flex; align-items: center; gap: 10px; }
.chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.06);
  color: #e5e7eb;
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  line-height: 1;
  transition: transform .18s var(--ease-out), background .18s, border-color .18s, box-shadow .18s;
  box-shadow: 0 8px 28px rgba(0,0,0,0.25);
}
.chip:hover { transform: translateY(-2px) scale(1.02); background: rgba(255,255,255,0.09); }
.chip:active { transform: translateY(0) scale(.99); }
.chip-round { width: 38px; height: 38px; padding: 0; justify-content: center; background: rgba(255,255,255,0.06); }
.chip-pill { padding: 8px 14px; background: #2f3137; border-color: rgba(255,255,255,0.1); }
.chip-icon { width: 18px; height: 18px; display:block; }

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
}
.burger span {
  width: 25px;
  height: 3px;
  background: #fff;
  border-radius: 2px;
}

.mobile-menu {
  position: fixed; top: 0; left: -100%;
  width: 70%; height: 100vh;
  background: #111; padding: 2rem;
  transition: left 0.3s ease; z-index: 999;
}
.mobile-menu.open { left: 0; }
.mobile-menu ul { list-style: none; padding: 0; }
.mobile-menu li { margin: 1rem 0; }
.mobile-menu a { color: #fff; text-decoration: none; font-size: 1.2rem; }
.mobile-menu #closeMenu {
  background: none; border: none; font-size: 2rem; color: #fff; cursor: pointer;
  position: absolute; top: 1rem; right: 1rem;
}

@media (max-width: 992px){
  .nav-center{ display:none; }
  .burger{ display:flex; }
}

/* compaktyzacja przy scrollu – jak w indexie (opcjonalnie dodaj .nav.is-shrink JS-em) */
.nav.is-shrink .nav-center{ transform: translateY(-2px); transition: transform .25s var(--ease-smooth); }
.nav.is-shrink .nav-shell{ height: 64px; padding: 6px 12px; border-radius: 999px; box-shadow: 0 6px 22px rgba(0,0,0,0.36); transition: height .26s var(--ease-smooth), padding .26s var(--ease-smooth), box-shadow .26s var(--ease-smooth); }
.nav .nav-shell{ transition: height .26s var(--ease-smooth), padding .26s var(--ease-smooth), box-shadow .26s var(--ease-smooth); }
.nav.is-shrink .nav-brand img{ width: 56px; height:56px; transition: width .26s var(--ease-smooth), height .26s var(--ease-smooth); }
.nav .nav-brand img{ transition: width .26s var(--ease-smooth), height .26s var(--ease-smooth); }
.nav.is-shrink .nav-link{ font-size: 14px; }
.nav.is-shrink .chip{ transform: translateY(0); box-shadow: 0 6px 20px rgba(0,0,0,0.25); }

/* ======================= HERO / AUTH ======================= */
.hero{
  position: relative; z-index:1;
  min-height: 100svh;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  text-align:center; padding: 0 1.25rem; gap: .35rem;
}
.auth.hero{ padding-top: 140px; padding-bottom: 64px; justify-content:flex-start; }

.auth-tabs{
  display:inline-flex; gap:8px; padding:6px; border-radius:999px;
  background: rgba(255,255,255,0.04); border:1px solid rgba(255,255,255,0.08); box-shadow: var(--shadow);
}
.auth-tab{
  display:inline-flex; align-items:center; gap:8px; padding:10px 16px; border-radius:999px;
  font-weight:800; letter-spacing:.01em; color: rgba(243,244,246,.9); text-decoration:none; border:1px solid transparent;
  transition: background .14s var(--ease-smooth), color .14s var(--ease-smooth), transform .14s var(--ease-smooth), box-shadow .2s;
}
.auth-tab:hover{ color:#fff; transform: translateY(-1px); }
.auth-tab.is-active{
  background: radial-gradient(160% 140% at 20% -20%, rgba(167,139,250,.25), rgba(124,58,237,.12));
  border-color: rgba(167,139,250,.35);
  color:#fff; box-shadow: 0 12px 40px rgba(0,0,0,.35);
}

.auth-card{
  width: min(920px, 100%);
  margin-top:10px; background: var(--panel);
  border:1px solid var(--border); border-radius: 20px;
  box-shadow: var(--shadow); backdrop-filter: blur(12px); padding:26px;
  animation: fadeUp .44s var(--ease-out) .08s both;
}
.auth-card.is-hidden{ display:none; }

.auth-head{ text-align:center; margin-bottom:8px; }
.auth-title{ margin:0; font-size: clamp(28px, 3.8vw, 40px); font-weight:900; letter-spacing:-.02em; }
.auth-sub{ margin:6px 0 0; color: var(--muted); font-weight:600; }

.auth-form{ display:grid; gap:12px; margin-top:16px; text-align:left; }
.auth-label{ font-weight:800; letter-spacing:.01em; font-size:1rem; color:#fff; }

.auth-input{ position:relative; display:grid; align-items:center; grid-template-columns:1fr; }
.auth-input input{
  width:100%; padding:15px 14px; border-radius:14px;
  border:1px solid var(--border); background: rgba(255,255,255,0.05);
  color:#fff; font-size:1rem; outline:none;
  transition: border-color .14s var(--ease-smooth), background .14s var(--ease-smooth), box-shadow .14s var(--ease-smooth), transform .1s;
  animation: blurIn .44s var(--ease-out) both;
}
.auth-input input::placeholder{ color: rgba(229,231,235,.65); }
.auth-input input:hover{ background: rgba(255,255,255,0.06); }
.auth-input input:focus{
  border-color: rgba(167,139,250,.5);
  box-shadow: 0 0 0 4px rgba(167,139,250,.16);
  background: rgba(255,255,255,0.07);
  transform: translateY(-1px);
}

.auth-prefix,
.auth-icon{
  position:absolute; left:12px; top:50%; transform: translateY(-50%); pointer-events:none;
  animation: fadeIn .38s var(--ease-out) both;
}
.auth-prefix{ color: rgba(229,231,235,.8); font-weight:900; }
.auth-icon{ width:18px; height:18px; object-fit:contain; opacity:.95; filter: drop-shadow(0 2px 8px rgba(124,58,237,.45)); }
.auth-input:has(.auth-prefix) input{ padding-left:36px; }
.auth-input:has(.auth-icon) input{ padding-left:42px; }

.auth-row{ display:flex; justify-content:space-between; align-items:center; gap: 12px; flex-wrap: wrap; }
.auth-link{ color:#c7bfff; font-weight:700; text-decoration:none; }
.auth-link:hover{ text-decoration:underline; }

.auth-hint{ margin:-6px 0 6px; color: rgba(243,244,246,.78); font-size:.95rem; }

/* ======================= CHECKBOX (custom + animacje) ======================= */
.auth-check{
  display:inline-flex; align-items:center; gap:10px; margin-top:6px; font-weight:700; user-select:none;
}
.auth-check input[type="checkbox"]{
  appearance: none;
  -webkit-appearance: none;
  width: 20px; height: 20px; border-radius: 6px;
  border: 1.5px solid rgba(255,255,255,0.25);
  background: rgba(255,255,255,0.04);
  display: grid; place-items: center;
  transition: background .18s var(--ease-smooth), border-color .18s var(--ease-smooth), transform .12s ease, box-shadow .18s;
  outline: none;
  position: relative;
}
.auth-check input[type="checkbox"]::after{
  content: "";
  width: 10px; height: 10px; border-radius: 2px;
  transform: scale(0) rotate(0deg);
  background: linear-gradient(180deg, #a78bfa, #7c3aed);
  box-shadow: 0 6px 18px rgba(124,58,237,.45);
  transition: transform .18s var(--ease-smooth);
}
.auth-check input[type="checkbox"]:hover{
  border-color: rgba(167,139,250,0.55);
  box-shadow: 0 0 0 3px rgba(167,139,250,.14);
}
.auth-check input[type="checkbox"]:active{
  transform: scale(.96);
}
.auth-check input[type="checkbox"]:checked{
  border-color: rgba(167,139,250,0.8);
  background: rgba(167,139,250,0.12);
}
.auth-check input[type="checkbox"]:checked::after{
  transform: scale(1);
}
.auth-check input[type="checkbox"]:focus-visible{
  box-shadow: 0 0 0 3px rgba(255,255,255,0.06), 0 0 0 7px var(--ring);
}
.auth-check label{ cursor: pointer; }

/* ======================= BUTTONS (lepsze hovery + ripple) ======================= */
.btn{
  --pad-y: 1rem; --pad-x: 1.25rem;
  position: relative;
  overflow: hidden;
  display:inline-flex; align-items:center; gap:.65rem; padding: var(--pad-y) var(--pad-x);
  border-radius: 999px; text-decoration:none; font-weight:800; letter-spacing:.005em;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease, border-color 160ms ease, filter 160ms ease, opacity 160ms ease;
  border:1px solid transparent; box-shadow: var(--shadow); will-change: transform, filter, opacity;
  animation: fadeUp .44s var(--ease-out) both;
}
.btn::after{
  content:"";
  position:absolute; inset:0;
  background: radial-gradient(120px 120px at var(--x,50%) var(--y,50%), rgba(255,255,255,0.14), transparent 60%);
  opacity: 0; transition: opacity .25s ease;
  pointer-events: none;
}
.btn:hover::after{ opacity: .8; }
.btn:focus-visible{ outline:none; box-shadow: 0 0 0 4px rgba(255,255,255,0.06), 0 0 0 8px var(--ring); transform: translateY(-1px); }
.btn:hover{ transform: translateY(-1px); filter: brightness(1.02); }
.btn:active{ transform: translateY(0); filter: brightness(.98); }
.btn-icon{ width:20px; height:20px; display:inline-block; }

.btn-primary{ background: linear-gradient(180deg, #8b5cf6, #7c3aed); color:white; border-color: rgba(167,139,250,0.35); }
.btn-primary:hover{ background: linear-gradient(180deg, #a78bfa, #8b5cf6); }

.btn-ghost{ background: transparent; color: var(--text); border-color: rgba(148,163,184,0.24); backdrop-filter: blur(6px); }
.btn-ghost:hover{ background: rgba(255,255,255,0.04); border-color: rgba(148,163,184,0.38); }

.auth-btn{ width:100%; justify-content:center; }
.auth-btn--discord{ border-color: rgba(148,163,184,0.26); background: rgba(255,255,255,0.03); }

/* Ripple – ustawianie pozycji kursora (dodaj na przyciskach JS: onmousemove: setProperty) */
.btn:hover{ --x: 50%; --y: 50%; }

/* ======================= POMOCNICZE ANIMACJE ======================= */
@keyframes fadeUp { from { opacity:0; transform: translateY(12px); filter: blur(4px);} to { opacity:1; transform:none; filter:none;} }
@keyframes blurIn { from { opacity:0; filter: blur(6px);} to { opacity:1; filter:none;} }
@keyframes fadeIn { from { opacity:0; } to { opacity:1; } }

/* ======================= DOSTĘPNOŚĆ ======================= */
@media (prefers-reduced-motion: reduce){
  .bg-grid, .blob, .btn, .auth-card, [data-reveal]{ animation: none !important; transition: none !important; }
  .nav-shell::after{ animation: none !important; }
}

/* ======================= UTRZYMANE Z TWOJEGO (przycięte) ======================= */
.auth-help{ margin:12px 0 0; text-align:center; color: var(--muted); }
.auth-help a{ color:#c7bfff; text-decoration: underline; font-weight:700; }

[data-reveal]{ opacity: 0; transform: translateY(10px) translateZ(0.001px); filter: blur(4px); }
.revealed{ opacity: 1 !important; transform: none !important; filter: none !important; transition: opacity .42s var(--ease-out), transform .42s var(--ease-out), filter .42s var(--ease-out); }