.login-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

/* Glass + glow tuning, per theme */
:root {
  --login-glass: rgba(13, 17, 31, 0.58);
  --login-glass-glow: 0 0 70px rgba(91, 124, 250, 0.16), 0 24px 60px rgba(0, 0, 0, 0.5);
  --login-ring-opacity: 0.75;
  --login-orb-opacity: 0.5;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --login-glass: rgba(255, 255, 255, 0.62);
    --login-glass-glow: 0 0 60px rgba(91, 124, 250, 0.12), 0 20px 50px rgba(16, 24, 40, 0.14);
    --login-ring-opacity: 0.5;
    --login-orb-opacity: 0.35;
  }
}
:root[data-theme="light"] {
  --login-glass: rgba(255, 255, 255, 0.62);
  --login-glass-glow: 0 0 60px rgba(91, 124, 250, 0.12), 0 20px 50px rgba(16, 24, 40, 0.14);
  --login-ring-opacity: 0.5;
  --login-orb-opacity: 0.35;
}

/* ---------- Animated background ---------- */
.login-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  background: var(--bg);
}

/* Slow-rotating mesh gradient layer */
.login-bg::before {
  content: '';
  position: absolute;
  inset: -45%;
  background:
    radial-gradient(36% 30% at 30% 32%, rgba(91, 124, 250, 0.16), transparent 70%),
    radial-gradient(30% 34% at 72% 58%, rgba(139, 92, 246, 0.14), transparent 70%),
    radial-gradient(26% 26% at 54% 22%, rgba(34, 211, 238, 0.1), transparent 70%);
  animation: login-mesh-drift 60s linear infinite;
  will-change: transform;
}
@keyframes login-mesh-drift {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Perspective grid fading into the horizon */
.login-grid {
  position: absolute;
  inset: -30%;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 46px 46px;
  opacity: 0.5;
  transform-origin: center bottom;
  -webkit-mask-image: linear-gradient(to bottom, transparent 4%, #000 58%);
  mask-image: linear-gradient(to bottom, transparent 4%, #000 58%);
  animation: login-grid-drift 5s linear infinite;
  will-change: transform;
}
@keyframes login-grid-drift {
  from { transform: perspective(600px) rotateX(60deg) translateY(0); }
  to { transform: perspective(600px) rotateX(60deg) translateY(46px); }
}

/* Drifting glow orbs */
.login-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: var(--login-orb-opacity);
  will-change: transform;
}
.login-orb-1 {
  width: 480px;
  height: 480px;
  left: -140px;
  top: -120px;
  background: radial-gradient(circle, rgba(91, 124, 250, 0.55), transparent 70%);
  animation: login-orb-float-1 18s ease-in-out infinite;
}
.login-orb-2 {
  width: 420px;
  height: 420px;
  right: -120px;
  top: 8%;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.5), transparent 70%);
  animation: login-orb-float-2 14s ease-in-out infinite;
}
.login-orb-3 {
  width: 520px;
  height: 520px;
  left: 18%;
  bottom: -240px;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.42), transparent 70%);
  animation: login-orb-float-3 22s ease-in-out infinite;
}
@keyframes login-orb-float-1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(50px, 30px) scale(1.08); }
}
@keyframes login-orb-float-2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-40px, 36px) scale(0.94); }
}
@keyframes login-orb-float-3 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(36px, -44px) scale(1.06); }
}

/* ---------- Card ---------- */
.login-shell {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: 24px;
  display: flex;
  justify-content: center;
}

.login-card {
  position: relative;
  width: min(400px, 100%);
  padding: 38px 34px 30px;
  border-radius: 20px;
  background: var(--login-glass);
  border: 1px solid transparent;
  box-shadow: var(--login-glass-glow);
  backdrop-filter: blur(22px) saturate(1.3);
  -webkit-backdrop-filter: blur(22px) saturate(1.3);
  animation: login-card-in 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
}
@keyframes login-card-in {
  from { opacity: 0; transform: translateY(18px) scale(0.98); }
  to { opacity: 1; transform: none; }
}

/* Gradient border (cyan → violet) with a shimmer arc traveling the edge */
@property --login-angle {
  syntax: '<angle>';
  inherits: false;
  initial-value: 0deg;
}
.login-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: 21px;
  padding: 1px;
  background:
    conic-gradient(from var(--login-angle, 0deg),
      transparent 0deg, transparent 296deg,
      rgba(34, 211, 238, 0.95) 328deg, transparent 360deg),
    linear-gradient(135deg, rgba(34, 211, 238, 0.55), rgba(139, 92, 246, 0.55));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: var(--login-ring-opacity);
  z-index: -1;
  pointer-events: none;
  animation: login-border-shimmer 7s linear infinite;
}
@keyframes login-border-shimmer {
  to { --login-angle: 360deg; }
}

.login-card.shake { animation: login-shake 0.4s; }
@keyframes login-shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-8px); }
  40% { transform: translateX(8px); }
  60% { transform: translateX(-5px); }
  80% { transform: translateX(5px); }
}

/* ---------- Brand ---------- */
.login-brand { text-align: center; margin-bottom: 26px; }
.login-brand-mark {
  position: relative;
  width: 52px;
  height: 52px;
  margin: 0 auto 14px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-gradient);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 24px;
  box-shadow: 0 0 24px rgba(91, 124, 250, 0.45);
}
/* Breathing halo behind the ₹ mark */
.login-brand-mark::before {
  content: '';
  position: absolute;
  inset: -12px;
  border-radius: inherit;
  background: radial-gradient(circle, rgba(91, 124, 250, 0.55), rgba(34, 211, 238, 0.3) 55%, transparent 75%);
  filter: blur(14px);
  z-index: -1;
  animation: login-glow-breathe 3s ease-in-out infinite;
  will-change: transform, opacity;
}
@keyframes login-glow-breathe {
  0%, 100% { opacity: 0.5; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.18); }
}

.login-brand h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.06em;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.login-tagline {
  margin: 6px 0 0;
  font-size: 12.5px;
  color: var(--text-muted);
}

/* ---------- Form ---------- */
.login-heading {
  margin: 0 0 2px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
}
.login-subheading {
  margin: 0 0 20px;
  font-size: 12.5px;
  color: var(--text-muted);
}

.login-field { display: block; margin-bottom: 14px; font-size: 12px; font-weight: 600; color: var(--text-muted); }
.login-field.hidden { display: none; }
.login-field span { display: block; margin-bottom: 6px; }
.login-input-wrap { position: relative; }
.login-input-wrap input {
  width: 100%;
  padding-right: 40px;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.login-input-wrap input:focus {
  border-color: var(--accent-3);
  box-shadow:
    0 0 0 3px rgba(34, 211, 238, 0.14),
    0 0 18px rgba(34, 211, 238, 0.22),
    inset 0 0 10px rgba(34, 211, 238, 0.06);
}

.login-eye {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  padding: 6px;
  color: var(--text-faint);
  box-shadow: none;
  transition: color 0.2s ease;
}
.login-eye:hover { color: var(--accent-3); background: none; transform: translateY(-50%); box-shadow: none; filter: none; }
.login-eye svg { width: 16px; height: 16px; display: block; }

.login-error {
  margin: 0 0 14px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  background: var(--danger-soft);
  color: var(--danger);
  font-size: 12.5px;
  font-weight: 600;
}
.login-error.hidden { display: none; }

/* ---------- Submit button ---------- */
.login-submit {
  width: 100%;
  padding: 12px;
  font-size: 13.5px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #5b7cfa 0%, #8b5cf6 45%, #22d3ee 115%);
  background-size: 170% 170%;
  background-position: 0% 0%;
  transition: background-position 0.3s ease, box-shadow 0.25s ease, transform 0.2s ease;
}
.login-submit:hover {
  background-position: 95% 95%;
  transform: translateY(-2px);
  filter: none;
  box-shadow: 0 6px 24px rgba(91, 124, 250, 0.45), 0 0 18px rgba(34, 211, 238, 0.3);
}
.login-submit:active { transform: translateY(0); }

/* Periodic shine sweep */
.login-submit::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 34%;
  background: linear-gradient(105deg, transparent, rgba(255, 255, 255, 0.35) 50%, transparent);
  transform: translateX(-130%) skewX(-20deg);
  animation: login-shine 4.5s ease-in-out infinite;
  pointer-events: none;
}
@keyframes login-shine {
  0% { transform: translateX(-130%) skewX(-20deg); }
  18% { transform: translateX(430%) skewX(-20deg); }
  100% { transform: translateX(430%) skewX(-20deg); }
}

.login-submit.loading { color: transparent; pointer-events: none; }
.login-submit.loading::before { display: none; }
.login-submit.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 16px;
  height: 16px;
  margin: -8px 0 0 -8px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: login-spin 0.7s linear infinite;
}
@keyframes login-spin {
  to { transform: rotate(360deg); }
}

.login-switch {
  margin: 16px 0 0;
  text-align: center;
  font-size: 12.5px;
  color: var(--text-muted);
}
.login-switch a {
  color: var(--accent-3);
  font-weight: 700;
  text-decoration: none;
}
.login-switch a:hover { text-decoration: underline; }

.login-footnote {
  margin: 20px 0 0;
  text-align: center;
  font-size: 11px;
  color: var(--text-faint);
}

@media (prefers-reduced-motion: reduce) {
  .login-bg::before,
  .login-grid,
  .login-orb,
  .login-card,
  .login-card::before,
  .login-brand-mark::before,
  .login-submit::before {
    animation: none;
  }
}

@media (max-width: 480px) {
  .login-card { padding: 30px 22px 24px; }
}