:root {
  color-scheme: light;
  --green: #58cc02;
  --green-dark: #46a302;
  --blue: #1cb0f6;
  --blue-dark: #168fca;
  --ink: #31343a;
  --muted: #6f747b;
  --cream: #fff9e8;
  --red: #e34d59;
}

* {
  box-sizing: border-box;
}

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

body {
  background: #72c945;
  color: var(--ink);
  font-family: "Inter", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  overflow: hidden;
}

.login-page {
  height: 100svh;
  isolation: isolate;
  overflow: hidden;
  position: relative;
  width: 100%;
}

.scene-canvas {
  animation: sceneBreathe 9s ease-in-out infinite;
  aspect-ratio: 3 / 2;
  left: 50%;
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  width: max(100vw, 150svh);
}

.scene-canvas::after {
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.04), transparent 28%, transparent 75%, rgba(18, 62, 17, 0.12));
  content: "";
  inset: 0;
  pointer-events: none;
  position: absolute;
}

.forest-art {
  display: block;
  height: 100%;
  inset: 0;
  object-fit: cover;
  position: absolute;
  width: 100%;
}

.brand-float {
  align-items: center;
  background: rgba(255, 255, 255, 0.94);
  border: 2px solid rgba(49, 52, 58, 0.16);
  border-radius: 1rem;
  box-shadow: 0 4px 0 rgba(49, 52, 58, 0.2);
  display: inline-flex;
  gap: 0.65rem;
  left: 1.25rem;
  padding: 0.6rem 0.8rem;
  position: fixed;
  top: 1.15rem;
  z-index: 10;
}

.brand-mark {
  align-items: center;
  background: var(--green);
  border: 2px solid var(--green-dark);
  border-radius: 0.72rem;
  box-shadow: 0 3px 0 var(--green-dark);
  color: #fff;
  display: inline-flex;
  font-size: 1.05rem;
  font-weight: 900;
  height: 2.05rem;
  justify-content: center;
  transform: rotate(-4deg);
  width: 2.05rem;
}

.brand-label {
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.tablet-ui {
  align-items: stretch;
  display: flex;
  height: 25.2%;
  justify-content: center;
  left: 33.5%;
  padding: 0.9% 1.1%;
  position: absolute;
  top: 51%;
  width: 29.2%;
  z-index: 4;
}

.name-form {
  align-items: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
  width: 100%;
}

.greeting {
  color: var(--green-dark);
  font-size: clamp(0.62rem, 0.78vw, 0.9rem);
  font-weight: 900;
  letter-spacing: 0.08em;
  margin: 0;
  text-transform: uppercase;
}

.name-form h1 {
  color: var(--ink);
  font-size: clamp(1.05rem, 1.65vw, 1.85rem);
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin: 0.35rem 0 0.75rem;
}

.input-row {
  display: grid;
  gap: clamp(0.35rem, 0.6vw, 0.65rem);
  grid-template-columns: minmax(0, 1fr) auto;
  width: min(100%, 27rem);
}

.name-input {
  background: #fff;
  border: 2px solid #d7d9dc;
  border-radius: 0.72rem;
  color: var(--ink);
  font: inherit;
  font-size: clamp(0.78rem, 0.92vw, 1rem);
  font-weight: 750;
  min-height: clamp(2.35rem, 3.2vw, 3.15rem);
  min-width: 0;
  outline: none;
  padding: 0.55rem 0.75rem;
  width: 100%;
}

.name-input::placeholder {
  color: #9ca0a5;
}

.name-input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 4px rgba(28, 176, 246, 0.18);
}

.submit-button {
  background: var(--green);
  border: 2px solid var(--green-dark);
  border-radius: 0.72rem;
  box-shadow: 0 4px 0 var(--green-dark);
  color: #fff;
  cursor: pointer;
  font: inherit;
  font-size: clamp(0.68rem, 0.8vw, 0.82rem);
  font-weight: 900;
  letter-spacing: 0.025em;
  min-height: clamp(2.35rem, 3.2vw, 3.15rem);
  padding: 0.5rem clamp(0.7rem, 1.2vw, 1.15rem);
  text-transform: uppercase;
  transition: filter 120ms ease, transform 100ms ease, box-shadow 100ms ease;
}

.submit-button:hover {
  filter: brightness(1.06);
  transform: translateY(-1px);
}

.submit-button:active {
  box-shadow: none;
  transform: translateY(3px);
}

.submit-button:focus-visible {
  outline: 4px solid rgba(28, 176, 246, 0.24);
  outline-offset: 2px;
}

.form-status {
  color: var(--muted);
  font-size: clamp(0.58rem, 0.7vw, 0.74rem);
  font-weight: 700;
  line-height: 1.3;
  margin: 0.55rem 0 0;
  min-height: 1em;
}

.form-status.is-error {
  color: var(--red);
}

.login-note {
  background: rgba(255, 255, 255, 0.92);
  border: 2px solid rgba(49, 52, 58, 0.14);
  border-radius: 999px;
  bottom: 1rem;
  box-shadow: 0 3px 0 rgba(49, 52, 58, 0.14);
  color: #555b61;
  font-size: 0.7rem;
  font-weight: 750;
  left: 50%;
  margin: 0;
  padding: 0.55rem 0.85rem;
  position: fixed;
  transform: translateX(-50%);
  white-space: nowrap;
  z-index: 8;
}

.leaf {
  animation: leafFall 8s linear infinite;
  background: #78bb37;
  border: 2px solid #3f8622;
  border-radius: 100% 0 100% 0;
  height: 1.4rem;
  opacity: 0.85;
  pointer-events: none;
  position: fixed;
  top: -2rem;
  width: 0.8rem;
  z-index: 5;
}

.leaf-one {
  animation-delay: -1s;
  left: 16%;
}

.leaf-two {
  animation-delay: -4s;
  left: 72%;
}

.leaf-three {
  animation-delay: -6.5s;
  left: 88%;
}

.name-form.is-shaking {
  animation: shake 320ms ease-in-out;
}

@keyframes leafFall {
  0% {
    transform: translate3d(0, -2rem, 0) rotate(0deg);
  }
  50% {
    transform: translate3d(2rem, 52svh, 0) rotate(190deg);
  }
  100% {
    transform: translate3d(-1rem, 105svh, 0) rotate(380deg);
  }
}

@keyframes sceneBreathe {
  0%, 100% { transform: translate(-50%, -50%) scale(1); }
  50% { transform: translate(-50%, -50%) scale(1.008); }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-0.45rem); }
  50% { transform: translateX(0.45rem); }
  75% { transform: translateX(-0.25rem); }
}

@media (max-width: 700px) {
  .brand-float {
    left: 0.75rem;
    top: 0.7rem;
  }

  .brand-label {
    display: none;
  }

  .tablet-ui {
    height: 25.5%;
    left: 50%;
    padding: 0.45rem 0.6rem;
    transform: translateX(-50%);
    width: min(86vw, 24rem);
  }

  .name-form h1 {
    font-size: clamp(1.05rem, 5vw, 1.35rem);
    margin-bottom: 0.55rem;
  }

  .greeting {
    font-size: 0.62rem;
  }

  .input-row {
    gap: 0.35rem;
  }

  .name-input,
  .submit-button {
    min-height: 2.4rem;
  }

  .submit-button {
    padding-left: 0.7rem;
    padding-right: 0.7rem;
  }

  .form-status {
    font-size: 0.58rem;
    margin-top: 0.35rem;
  }

  .login-note {
    bottom: 0.65rem;
    font-size: 0.6rem;
    max-width: calc(100vw - 1rem);
    overflow: hidden;
    text-overflow: ellipsis;
  }
}

@media (max-height: 640px) {
  .brand-float {
    transform: scale(0.88);
    transform-origin: left top;
  }

  .login-note {
    display: none;
  }

  .tablet-ui {
    top: 50.5%;
  }

  .name-form h1 {
    margin-bottom: 0.4rem;
  }

  .form-status {
    margin-top: 0.3rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    scroll-behavior: auto !important;
    transition: none !important;
  }
}