/* Login / Register — floating light-glass card over the animated mesh */

body.auth-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.auth-card {
  position: relative;
  width: 100%;
  max-width: 420px;
  background: linear-gradient(165deg, rgba(255, 255, 255, .94), rgba(255, 255, 255, .74));
  -webkit-backdrop-filter: blur(24px) saturate(1.6);
  backdrop-filter: blur(24px) saturate(1.6);
  border: 1px solid rgba(255, 255, 255, .9);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-lift), inset 0 1px 0 rgba(255, 255, 255, .9);
  padding: 40px 36px 32px;
  animation: auth-in .7s var(--ease-spring) both;
}

@keyframes auth-in {
  from { opacity: 0; transform: translateY(30px) scale(.95); }
  to   { opacity: 1; transform: none; }
}

.auth-card::before {
  content: "";
  position: absolute;
  top: 0; left: 10%; right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 1), transparent);
  pointer-events: none;
}

.auth-logo {
  width: 58px; height: 58px;
  display: grid; place-items: center;
  font-size: 28px; color: #fff;
  background: var(--grad-accent);
  border: 1px solid rgba(255, 255, 255, .5);
  border-radius: 17px;
  box-shadow: 0 12px 30px rgba(99, 102, 241, .5);
  margin: 0 auto 18px;
  animation: float-y 5.5s ease-in-out infinite;
}

.auth-card h1 {
  margin: 0 0 4px;
  text-align: center;
  font-size: 22px; font-weight: 800; letter-spacing: -.02em;
  background: var(--grad-text);
  background-size: 180% auto;
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}

.auth-sub { text-align: center; font-size: 13px; color: var(--muted); margin: 0 0 24px; }

.auth-card label {
  display: block;
  font-size: 12px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .05em;
  color: var(--muted); margin: 0 0 6px;
}

.auth-card .field { margin-bottom: 16px; }

.auth-card form .field,
.auth-card form .btn { animation: auth-field-in .55s var(--ease-out) both; }
.auth-card form .field:nth-child(2) { animation-delay: .08s; }
.auth-card form .field:nth-child(3) { animation-delay: .14s; }
.auth-card form .field:nth-child(4) { animation-delay: .20s; }
.auth-card form .btn { animation-delay: .26s; }
@keyframes auth-field-in { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

.auth-error {
  display: flex; gap: 8px;
  padding: 11px 14px; margin-bottom: 16px;
  font-size: 13px; color: var(--fail);
  background: var(--fail-soft);
  border: 1px solid rgba(192, 39, 31, .3);
  border-radius: var(--radius-s);
  animation: error-shake .45s var(--ease-out);
}
@keyframes error-shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-6px); }
  40% { transform: translateX(5px); }
  60% { transform: translateX(-3px); }
  80% { transform: translateX(2px); }
}

.auth-foot {
  margin-top: 20px; padding-top: 16px;
  border-top: 1px solid var(--border-soft);
  text-align: center; font-size: 13px; color: var(--muted);
}
.auth-foot a { font-weight: 700; text-decoration: none; }
.auth-foot a:hover { text-decoration: underline; }

.pw-hint { font-size: 11.5px; color: var(--muted); margin-top: 5px; }

.btn-google {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  width: 100%; padding: 12px 18px;
  font: inherit; font-size: 14px; font-weight: 700;
  color: var(--text);
  background: rgba(255, 255, 255, .85);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-s);
  text-decoration: none;
  box-shadow: var(--shadow-s);
  transition: border-color .2s, background .2s, box-shadow .25s, transform .2s var(--ease-spring);
}
.btn-google:hover {
  border-color: rgba(91, 84, 230, .35);
  background: #fff;
  box-shadow: var(--shadow-m);
  transform: translateY(-2px);
}
.btn-google:active { transform: scale(.98); }

.auth-divider {
  display: flex; align-items: center; gap: 12px;
  margin: 18px 0; color: var(--faint); font-size: 12px;
}
.auth-divider::before, .auth-divider::after {
  content: ""; flex: 1; height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

/* ── Inline validation feedback ────────────────────────────────────────── */
.field-fb { font-size: 12px; margin-top: 5px; min-height: 1px; }
.field-fb.ok  { color: var(--pass, #0f7a39); }
.field-fb.bad { color: var(--fail, #c0271f); }
.pw-hint.ok  { color: var(--pass, #0f7a39); }
.pw-hint.bad { color: var(--fail, #c0271f); }
.pw-meter {
  height: 6px; border-radius: 99px; background: var(--border-soft, #eef0f8);
  overflow: hidden; margin: 8px 0 6px;
}
.pw-meter span {
  display: block; height: 100%; width: 0; border-radius: 99px;
  background: var(--fail, #c0271f); transition: width .25s ease, background .25s ease;
}
.btn[disabled] { cursor: not-allowed; }