:root {
  --paper: oklch(95.5% 0.025 94);
  --paper-light: oklch(98.5% 0.015 94);
  --paper-deep: oklch(89% 0.042 93);
  --ink: oklch(25% 0.035 139);
  --ink-soft: oklch(43% 0.035 124);
  --leaf: oklch(49% 0.12 143);
  --leaf-dark: oklch(35% 0.095 143);
  --leaf-pale: oklch(90% 0.07 139);
  --tomato: oklch(61% 0.17 32);
  --line: oklch(81% 0.035 103);
  --font-display: "Iowan Old Style", "Palatino Linotype", Baskerville, Georgia, serif;
  --font-body: "Avenir Next", Avenir, "Trebuchet MS", sans-serif;
}

* { box-sizing: border-box; }

body {
  min-width: 20rem;
  min-height: 100vh;
  margin: 0;
  padding: max(1rem, env(safe-area-inset-top)) max(1rem, env(safe-area-inset-right)) max(1rem, env(safe-area-inset-bottom)) max(1rem, env(safe-area-inset-left));
  background:
    radial-gradient(circle at 85% 10%, var(--leaf-pale) 0 9rem, transparent 9.1rem),
    linear-gradient(145deg, var(--paper) 0%, var(--paper-light) 62%, var(--paper-deep) 100%);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.5;
}

.login-shell {
  display: grid;
  width: min(100%, 66rem);
  min-height: calc(100vh - 2rem);
  margin: auto;
  align-content: center;
  gap: 2.5rem;
}

.login-intro {
  display: grid;
  gap: 0.8rem;
}

.brand-mark {
  display: grid;
  width: 3.5rem;
  height: 3.5rem;
  margin-bottom: 1rem;
  place-items: center;
  border-radius: 50% 50% 46% 54%;
  background: var(--leaf);
  color: var(--paper-light);
  transform: rotate(-3deg);
}

.brand-mark svg {
  width: 2.3rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.6;
}

.eyebrow {
  color: var(--leaf-dark);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

h1,
h2,
p { margin: 0; }

h1,
h2 {
  font-family: var(--font-display);
  line-height: 1.03;
  letter-spacing: -0.025em;
}

h1 {
  max-width: 10ch;
  font-size: clamp(3rem, 11vw, 6.5rem);
}

h2 { font-size: 2.6rem; }

.login-intro p {
  max-width: 34rem;
  color: var(--ink-soft);
  font-size: 1.05rem;
}

.login-card {
  display: grid;
  gap: 1.5rem;
  padding: 1.4rem;
  border: 1px solid var(--line);
  border-radius: 0.6rem 2rem 0.6rem 2rem;
  background: var(--paper-light);
  box-shadow: 0 24px 70px oklch(28% 0.035 120 / 0.13);
}

form { display: grid; gap: 0.65rem; }

label {
  margin-top: 0.35rem;
  font-size: 0.82rem;
  font-weight: 800;
}

input {
  min-height: 3.25rem;
  padding: 0 0.9rem;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  background: var(--paper);
  color: var(--ink);
  font: inherit;
}

input:focus {
  border-color: var(--leaf);
  outline: 3px solid color-mix(in oklch, var(--leaf) 22%, transparent);
  outline-offset: 1px;
}

.form-message {
  min-height: 1.5rem;
  margin-top: 0.25rem;
  color: oklch(44% 0.16 28);
  font-size: 0.82rem;
}

button {
  min-height: 3.25rem;
  border: 0;
  border-radius: 999px;
  background: var(--ink);
  color: var(--paper-light);
  cursor: pointer;
  font: 800 0.9rem var(--font-body);
  transition: background 140ms cubic-bezier(0.65, 0, 0.35, 1), transform 140ms cubic-bezier(0.22, 1, 0.36, 1);
}

button:hover { background: var(--leaf-dark); }
button:active { transform: scale(0.98); }
button:disabled { cursor: wait; opacity: 0.7; }
button:focus-visible { outline: 3px solid var(--tomato); outline-offset: 3px; }

@media (min-width: 48rem) {
  .login-shell {
    grid-template-columns: minmax(0, 1.2fr) minmax(20rem, 0.8fr);
    align-items: center;
    gap: clamp(3rem, 7vw, 7rem);
  }

  .login-card { padding: 2rem; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition-duration: 0.01ms !important; }
}