/* ==========================================================
   login.css — EaseFy Futuristic Glass (brand-native)
   STABILITY FIX: no vh margins, isolated effects, no footer bounce
   ========================================================== */

/* ---------- Tokens ---------- */
:root{
  --brand:#663d29;         /* EaseFy brown */
  --accent:#da926e;        /* Coral highlight */
  --ink:#3a2a22;           /* Body text */
  --bg:#f8f4f0;

  --glass:rgba(255,250,243,.42);
  --glass-b:rgba(255,255,255,.38);
  --shadow:0 18px 48px rgba(102,61,41,.18), inset 0 1px 0 rgba(255,255,255,.35);
  --radius:20px;
}

/* ---------- Canvas: soft digital grid + radial glow ---------- */
html,body{min-height:100%} /* use min-height to avoid forced viewport snaps */
body{
  margin:0; color:var(--ink);
  background:
    radial-gradient(1200px 700px at 85% -10%, #da926e14, transparent 60%),
    radial-gradient(900px 600px at -10% 25%, #b59d5512, transparent 60%),
    repeating-linear-gradient(90deg, transparent 0 59px, #0000000A 60px 60.5px),
    repeating-linear-gradient(0deg,  transparent 0 59px, #0000000A 60px 60.5px),
    var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

/* ---------- Glass card ---------- */
.form-container{
  max-width: 460px;

  /* ❌ replaced 8vh → ✅ view-safe spacing with no vh */
  margin: clamp(48px, 5vw, 96px) auto;

  padding: clamp(22px, 3.2vw, 32px);
  position:relative;
  isolation:isolate;

  background:var(--glass);
  border:1px solid var(--glass-b);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  backdrop-filter: blur(16px) saturate(130%);
  -webkit-backdrop-filter: blur(16px) saturate(130%);

  /* keep animated layers from impacting layout or scroll height */
  overflow: clip;   /* modern */
  overflow: hidden; /* fallback */
  contain: layout paint;
}

/* Aurora glow behind card */
.form-container::before{
  content:"";
  position:absolute; inset:-28%;
  background: conic-gradient(from 210deg at 30% 42%,
    #ffffff22 0deg, #da926e44 90deg, #b59d5533 180deg,
    #ffffff18 270deg, #da926e33 360deg);
  filter: blur(40px) saturate(120%);
  z-index:-1;
  pointer-events:none;            /* never block clicks */
  animation: aurora 24s linear infinite;
  will-change: transform;         /* smoother without layout changes */
  backface-visibility:hidden;
}
@keyframes aurora{to{transform:rotate(360deg)}}

/* Subtle sheen on the card */
.form-container::after{
  content:"";
  position:absolute; inset:0;
  background: linear-gradient(120deg, #fff0 35%, #fff3 50%, #fff0 65%);
  mix-blend-mode:screen; filter:blur(8px); opacity:.55;
  z-index:-1;                     /* keep behind */
  pointer-events:none;
  animation: sheen 9s linear infinite; /* slightly slower for stability */
  will-change: transform;
  backface-visibility:hidden;
}
@keyframes sheen{to{transform:translateX(120%)}}

/* ---------- Heading ---------- */
.form-container h1{
  font-weight:900; line-height:1.15; letter-spacing:.2px;
  color:transparent;
  background:linear-gradient(180deg,#3d281d 0%,#7b4b37 100%);
  -webkit-background-clip:text; background-clip:text;
  text-align:center;
  margin:0 0 .75rem;
}

/* ---------- Inputs ---------- */
.form-label{ font-weight:700; color:#7b4b37; }

.form-control{
  border-radius:12px;
  border:1px solid var(--glass-b);
  background: linear-gradient(180deg,#ffffffb8,#ffffff88);
  color:var(--ink);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.55);
  padding:.7rem .9rem;
  transition: box-shadow .18s ease, border-color .18s ease, transform .06s ease;
}

.form-control:focus{
  outline:0;
  border-color:#e4c2b3;
  box-shadow:
    0 0 0 3px rgba(218,146,110,.22),
    0 0 0 6px rgba(218,146,110,.12),
    inset 0 1px 0 rgba(255,255,255,.65);
  transform: translateY(-1px);
}

.form-control::placeholder{ color:#a48778; opacity:.9; }

/* Autofill harmonized */
input:-webkit-autofill{
  -webkit-box-shadow:0 0 0 1000px #fff inset !important;
  -webkit-text-fill-color:var(--ink) !important;
  caret-color:var(--brand);
}

/* ---------- CTA button (no “dark on hover” labels) ---------- */
.btn-primary{
  display:inline-flex; align-items:center; justify-content:center;
  gap:.5rem; font-weight:800;
  border:1px solid rgba(255,255,255,.35);
  border-radius:12px;
  background:linear-gradient(180deg,#7a4a35 0%, #633924 55%, #da926e 120%);
  color:#fff;
  box-shadow:0 10px 22px rgba(102,61,41,.24), inset 0 1px 0 rgba(255,255,255,.55);
  transition: transform .18s ease, box-shadow .18s ease, filter .18s ease;
}

.btn-primary:hover,
.btn-primary:focus{
  color:#fff; /* keep text bright */
  transform: translateY(-2px);
  box-shadow:0 16px 30px rgba(102,61,41,.28);
  filter:saturate(1.02);
}

.btn-primary:active{
  transform: translateY(0);
  box-shadow:0 10px 22px rgba(102,61,41,.24);
}

/* ---------- Links / helpers ---------- */
a{ color:#b59d55; text-decoration:underline; text-underline-offset:3px; }
a:hover{ color:#c9975a; text-decoration-thickness:2px; }

/* ---------- Success / toast (glass) ---------- */
.alert-success{
  background:linear-gradient(180deg,#eafff6,#dff7ee);
  color:#0f5132;
  border:1px solid #bde7d3;
  border-radius:12px;
  padding:12px;
  font-weight:600;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  box-shadow:0 10px 22px rgba(102,61,41,.08);
  animation: fadeInSlide .6s ease-in-out;
}

@keyframes fadeInSlide{
  from{opacity:0; transform:translateY(-10px)}
  to{opacity:1; transform:translateY(0)}
}
.fade-out{ opacity:0; transition:opacity .6s ease }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  .form-container::before,
  .form-container::after{ animation:none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 480px){
  .form-container{
    margin: 40px auto;   /* still no vh */
    padding: 18px;
  }
  .btn-primary{ padding:.7rem 1rem; }
}