:root {
  --ink: #1a2420;
  --ink-soft: #3a4a43;
  --moss: #2f5345;
  --moss-deep: #234036;
  --blush: #b56a72;
  --mist: #dce8e1;
  --foam: #f3f7f4;
  --line: rgba(26, 36, 32, 0.12);
  --shadow: 0 24px 60px rgba(26, 36, 32, 0.12);
  --radius: 18px;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Manrope", system-ui, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--foam);
  -webkit-font-smoothing: antialiased;
}

.stage {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.stage__wash {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 55% at 18% 20%, rgba(181, 106, 114, 0.22), transparent 60%),
    radial-gradient(ellipse 65% 50% at 85% 75%, rgba(47, 83, 69, 0.28), transparent 55%),
    linear-gradient(160deg, #eef4f0 0%, #e7ddd8 48%, #d7e6df 100%);
  animation: wash-shift 18s ease-in-out infinite alternate;
}

.stage__grain {
  position: absolute;
  inset: 0;
  opacity: 0.28;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
  mix-blend-mode: soft-light;
}

.stage__nest {
  position: absolute;
  right: -8%;
  bottom: -12%;
  width: min(72vw, 560px);
  color: var(--moss);
  opacity: 0.45;
  animation: nest-float 12s ease-in-out infinite alternate;
}

.shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: clamp(1.5rem, 4vw, 3rem);
}

.panel {
  width: min(100%, 420px);
  padding: clamp(1.75rem, 4vw, 2.5rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(243, 247, 244, 0.78);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
  animation: panel-rise 0.8s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.eyebrow {
  margin: 0 0 0.65rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blush);
}

.brand {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.35rem, 7vw, 3.1rem);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--moss-deep);
}

.lead {
  margin: 0.9rem 0 1.75rem;
  max-width: 28ch;
  font-size: 1.02rem;
  line-height: 1.55;
  color: var(--ink-soft);
}

.alert {
  margin: 0 0 1.25rem;
  padding: 0.75rem 0.9rem;
  border-left: 3px solid var(--blush);
  background: rgba(181, 106, 114, 0.1);
  color: #6e333a;
  font-size: 0.92rem;
}

.form {
  display: grid;
  gap: 1.1rem;
}

.field {
  display: grid;
  gap: 0.45rem;
}

.field__label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink-soft);
}

.field__input {
  width: 100%;
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink);
  font: inherit;
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

.field__input::placeholder {
  color: rgba(58, 74, 67, 0.45);
}

.field__input:focus {
  border-color: rgba(47, 83, 69, 0.55);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(47, 83, 69, 0.12);
}

.field__password {
  position: relative;
}

.field__password .field__input {
  padding-right: 5.2rem;
}

.reveal {
  position: absolute;
  top: 50%;
  right: 0.55rem;
  transform: translateY(-50%);
  border: 0;
  background: transparent;
  color: var(--moss);
  font: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0.35rem 0.45rem;
}

.reveal:hover,
.reveal:focus-visible {
  color: var(--moss-deep);
}

.submit {
  margin-top: 0.35rem;
  width: 100%;
  padding: 0.95rem 1.2rem;
  border: 0;
  border-radius: 12px;
  background: var(--moss);
  color: #f7fbf8;
  font: inherit;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.submit:hover {
  background: var(--moss-deep);
}

.submit:active {
  transform: translateY(1px);
}

.submit:focus-visible {
  outline: 3px solid rgba(47, 83, 69, 0.28);
  outline-offset: 2px;
}

@keyframes wash-shift {
  from {
    transform: scale(1) translate3d(0, 0, 0);
  }
  to {
    transform: scale(1.04) translate3d(-1.5%, 1%, 0);
  }
}

@keyframes nest-float {
  from {
    transform: translate3d(0, 0, 0) rotate(-2deg);
  }
  to {
    transform: translate3d(-2%, -3%, 0) rotate(1deg);
  }
}

@keyframes panel-rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 480px) {
  .panel {
    padding: 1.5rem 1.25rem;
  }

  .stage__nest {
    opacity: 0.28;
  }
}

@media (prefers-reduced-motion: reduce) {
  .stage__wash,
  .stage__nest,
  .panel {
    animation: none;
  }
}