:root {
  --ink: #10201b;
  --muted: #5d6d68;
  --bg: #f4f2ea;
  --panel: rgba(255, 255, 255, 0.94);
  --line: rgba(18, 55, 48, 0.14);
  --teal: #1f7a73;
  --deep: #123730;
  --low: #2d8c58;
  --midlow: #769a42;
  --moderate: #ac8330;
  --elevated: #ba652e;
  --high: #b54040;
  --shadow: 0 16px 38px rgba(12, 24, 20, 0.1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 8%, rgba(46, 140, 132, 0.12), transparent 34%),
    radial-gradient(circle at 84% 16%, rgba(243, 183, 146, 0.18), transparent 32%),
    var(--bg);
  min-height: 100vh;
}

.vault-page {
  max-width: 1240px;
  margin: 0 auto;
  padding: 26px 22px 44px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--ink);
  font-family: "Fraunces", "Times New Roman", serif;
  font-size: 1.5rem;
  font-weight: 700;
}

.top-links {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.top-links a {
  text-decoration: none;
  color: rgba(16, 32, 27, 0.8);
  font-weight: 500;
}

main {
  display: grid;
  gap: 14px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: 22px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 1.7px;
  font-size: 0.74rem;
  color: var(--teal);
  font-weight: 700;
  margin-bottom: 10px;
}

.hero h1 {
  font-family: "Fraunces", serif;
  font-size: clamp(2rem, 4vw, 3.1rem);
  line-height: 1.06;
  margin-bottom: 11px;
}

.lead {
  max-width: 860px;
  line-height: 1.55;
  color: rgba(16, 32, 27, 0.76);
  margin-bottom: 12px;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.hero-points span {
  border-radius: 999px;
  border: 1px solid rgba(18, 55, 48, 0.14);
  background: rgba(31, 122, 115, 0.1);
  color: rgba(18, 55, 48, 0.85);
  padding: 4px 10px;
  font-size: 0.82rem;
  font-weight: 600;
}

.gate {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 16px;
  align-items: start;
}

.gate h2 {
  font-family: "Fraunces", serif;
  font-size: 1.7rem;
  margin-bottom: 8px;
}

.gate p {
  color: rgba(16, 32, 27, 0.76);
  line-height: 1.5;
}

.gate-form {
  margin-top: 12px;
  display: grid;
  gap: 10px;
  max-width: 500px;
}

.gate-form input[type="email"],
.library-controls input,
.library-controls select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 11px 12px;
  font: inherit;
  color: var(--ink);
  background: #fff;
}

.gate-form input[type="email"]:focus,
.library-controls input:focus,
.library-controls select:focus {
  outline: 2px solid rgba(31, 122, 115, 0.26);
  border-color: rgba(31, 122, 115, 0.4);
}

.consent-row {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  font-size: 0.9rem;
  color: rgba(16, 32, 27, 0.86);
}

.consent-row input {
  margin-top: 3px;
}

.primary-btn,
.ghost-btn {
  border: none;
  border-radius: 999px;
  padding: 11px 16px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.primary-btn {
  background: var(--teal);
  color: #fff;
  box-shadow: 0 10px 24px rgba(31, 122, 115, 0.24);
}

.primary-btn:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.ghost-btn {
  border: 1px solid rgba(18, 55, 48, 0.2);
  background: rgba(255, 255, 255, 0.9);
  color: var(--deep);
}

.gate-message {
  min-height: 1.2em;
  font-size: 0.9rem;
  margin-top: 2px;
}

.gate-message.success {
  color: #28643f;
}

.gate-message.error {
  color: #8f3030;
}

.gate-note {
  margin-top: 6px;
  font-size: 0.82rem;
}

.gate-card {
  border: 1px solid rgba(18, 55, 48, 0.12);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.78);
  padding: 14px;
}

.card-kicker {
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-size: 0.72rem;
  color: var(--teal);
  font-weight: 700;
  margin-bottom: 8px;
}

.gate-card ul {
  margin-left: 18px;
  display: grid;
  gap: 7px;
  color: rgba(16, 32, 27, 0.82);
  line-height: 1.4;
}

.library-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 12px;
}

.library-head h2 {
  font-family: "Fraunces", serif;
  font-size: 1.8rem;
  margin-bottom: 4px;
}

.access-meta {
  color: var(--muted);
  font-size: 0.9rem;
}

.library-controls {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 10px;
  margin-bottom: 12px;
}

.library-summary {
  color: rgba(16, 32, 27, 0.75);
  margin-bottom: 12px;
  font-size: 0.92rem;
}

.paper-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.paper-card,
.empty {
  border-radius: 14px;
  border: 1px solid rgba(18, 55, 48, 0.12);
  background: rgba(255, 255, 255, 0.86);
  padding: 14px;
}

.empty {
  grid-column: 1 / -1;
  color: var(--muted);
}

.paper-card h3 {
  font-size: 1.06rem;
  margin-bottom: 8px;
}

.paper-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 9px;
}

.paper-meta span {
  border-radius: 999px;
  font-size: 0.74rem;
  border: 1px solid rgba(18, 55, 48, 0.14);
  background: rgba(43, 138, 131, 0.1);
  color: rgba(18, 55, 48, 0.84);
  padding: 3px 8px;
}

.paper-risk {
  font-weight: 700;
  border-color: transparent;
}

.paper-risk.risk-very-low {
  background: rgba(45, 140, 88, 0.16);
  color: var(--low);
}

.paper-risk.risk-low {
  background: rgba(118, 154, 66, 0.17);
  color: var(--midlow);
}

.paper-risk.risk-moderate {
  background: rgba(172, 131, 48, 0.18);
  color: var(--moderate);
}

.paper-risk.risk-elevated {
  background: rgba(186, 101, 46, 0.18);
  color: var(--elevated);
}

.paper-risk.risk-high {
  background: rgba(181, 64, 64, 0.18);
  color: var(--high);
}

.paper-card p {
  color: rgba(16, 32, 27, 0.78);
  line-height: 1.45;
  font-size: 0.92rem;
  margin-bottom: 10px;
}

.paper-link {
  text-decoration: none;
  color: var(--deep);
  font-weight: 700;
  border-bottom: 1px solid rgba(18, 55, 48, 0.25);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.honeypot {
  display: none !important;
}

.page-footer {
  margin-top: 12px;
  color: rgba(16, 32, 27, 0.68);
  font-size: 0.9rem;
}

.page-footer a {
  color: var(--deep);
  text-underline-offset: 2px;
}

@media (max-width: 1100px) {
  .gate {
    grid-template-columns: 1fr;
  }

  .paper-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .vault-page {
    padding: 14px 14px 34px;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .card {
    padding: 16px;
    border-radius: 16px;
  }

  .library-head {
    flex-direction: column;
  }

  .library-controls {
    grid-template-columns: 1fr;
  }

  .paper-list {
    grid-template-columns: 1fr;
  }

  .primary-btn,
  .ghost-btn {
    border-radius: 12px;
  }
}