:root {
  color-scheme: dark;
  --ink: #f4f7ef;
  --muted: #9da995;
  --line: rgba(160, 199, 128, 0.2);
  --panel: rgba(11, 17, 19, 0.88);
  --panel-strong: rgba(7, 12, 15, 0.94);
  --field: rgba(255, 255, 255, 0.06);
  --green: #77c34f;
  --green-dark: #4f9d3d;
  --orange: #f5a13a;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 16% 12%, rgba(119, 195, 79, 0.22), transparent 23rem),
    radial-gradient(circle at 85% 86%, rgba(245, 161, 58, 0.12), transparent 22rem),
    linear-gradient(135deg, #05080b 0%, #071015 48%, #10160f 100%);
}

.shell {
  width: min(980px, calc(100% - 32px));
  min-height: 100vh;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  align-items: center;
  gap: 18px;
  padding: 28px 0;
}

.login-panel,
.proof-panel {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.login-panel {
  border-radius: 20px;
  padding: clamp(24px, 4vw, 36px);
}

.brand-row,
.passkey-row,
.quick-links {
  display: flex;
  align-items: center;
}

.brand-row {
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 30px;
}

.brand {
  color: var(--ink);
  text-decoration: none;
  font-weight: 800;
  font-size: 1.45rem;
  letter-spacing: 0;
}

.brand strong {
  color: var(--green);
}

.status-pill {
  border: 1px solid rgba(119, 195, 79, 0.32);
  border-radius: 999px;
  padding: 8px 12px;
  color: #c8efb8;
  background: rgba(119, 195, 79, 0.12);
  font-weight: 800;
  font-size: 0.8rem;
  text-transform: uppercase;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 0.9rem;
  font-weight: 900;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  max-width: 560px;
  font-size: clamp(2.4rem, 6vw, 4.6rem);
  line-height: 0.95;
  letter-spacing: 0;
}

.lede {
  max-width: 560px;
  margin: 18px 0 24px;
  color: var(--muted);
  font-size: clamp(1rem, 1.7vw, 1.12rem);
  line-height: 1.55;
}

.passkey-form label {
  display: block;
  margin-bottom: 10px;
  font-weight: 800;
}

.passkey-row {
  gap: 12px;
}

input {
  width: 100%;
  min-height: 54px;
  border: 1px solid rgba(170, 200, 155, 0.22);
  border-radius: 14px;
  padding: 0 16px;
  font: inherit;
  color: var(--ink);
  background: var(--field);
  outline: none;
}

input:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 4px rgba(119, 195, 79, 0.16);
}

.button {
  min-height: 54px;
  border: 0;
  border-radius: 14px;
  padding: 0 22px;
  white-space: nowrap;
  font: inherit;
  font-weight: 900;
  cursor: pointer;
}

.primary {
  color: #fff;
  background: linear-gradient(135deg, #78c94e, var(--green-dark));
  box-shadow: 0 16px 30px rgba(119, 195, 79, 0.22);
}

.form-status {
  min-height: 24px;
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.quick-links {
  align-items: stretch;
  gap: 14px;
  margin-top: 22px;
}

.quick-card {
  flex: 1;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.045);
  text-decoration: none;
}

.quick-card span {
  display: block;
  margin-bottom: 8px;
  color: var(--green);
  font-weight: 900;
}

.quick-card strong {
  display: block;
  font-size: 0.94rem;
  line-height: 1.45;
}

.proof-panel {
  border-radius: 18px;
  padding: 18px;
  background: var(--panel-strong);
}

.meter-card {
  border-radius: 14px;
  padding: 16px;
  color: #ecf7e7;
  background: rgba(255, 255, 255, 0.055);
}

.meter-label {
  display: block;
  margin-bottom: 14px;
  color: #b8c8ba;
  font-size: 0.82rem;
  font-weight: 900;
  text-transform: uppercase;
}

.meter-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.meter-grid span {
  min-height: 42px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.1);
}

.meter-grid .active {
  background: linear-gradient(145deg, var(--green), #8dc958);
}

.capability-list {
  display: grid;
  gap: 14px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.capability-list li {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 12px;
}

.capability-list li > span {
  width: 14px;
  height: 14px;
  margin-top: 5px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 5px rgba(242, 139, 24, 0.13);
}

.capability-list p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.capability-list strong {
  display: block;
  color: var(--ink);
}

@media (max-width: 900px) {
  .shell {
    grid-template-columns: 1fr;
    align-items: start;
  }
}

@media (max-width: 620px) {
  .shell {
    width: min(100% - 20px, 1120px);
    padding: 24px 0;
  }

  .brand-row,
  .passkey-row,
  .quick-links {
    align-items: stretch;
    flex-direction: column;
  }

  .brand-row {
    margin-bottom: 36px;
  }

  .button {
    width: 100%;
  }
}