:root {
  --bg: #071019;
  --paper: rgba(13, 24, 36, 0.9);
  --paper-strong: #122031;
  --ink: #edf6ff;
  --muted: #8ea4b8;
  --line: rgba(148, 192, 222, 0.14);
  --accent: #6fe3ff;
  --accent-strong: #0d2f45;
  --warm: #b6f3ff;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.34);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --font-sans: "Avenir Next", "Helvetica Neue", "Segoe UI", sans-serif;
  --font-display: "IBM Plex Sans", "Avenir Next", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(111, 227, 255, 0.12), transparent 24rem),
    radial-gradient(circle at 100% 0, rgba(74, 130, 184, 0.14), transparent 22rem),
    linear-gradient(180deg, #050c13, var(--bg));
  min-height: 100vh;
  overflow-x: hidden;
}

body.protected-mode {
  -webkit-user-select: none;
  user-select: none;
}

input,
textarea {
  -webkit-user-select: text;
  user-select: text;
}

.watermark {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  opacity: 0.09;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 5rem);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: rgba(19, 35, 31, 0.72);
  transform: rotate(-24deg);
}

.security-notice {
  margin-bottom: 18px;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  background: rgba(19, 35, 31, 0.9);
  color: #f6fbf8;
  box-shadow: var(--shadow);
}

.site-footer {
  margin-top: 18px;
  padding: 12px 4px 24px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.82rem;
}

.footer-links {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--accent);
  text-decoration: none;
}

.footer-links a:hover {
  text-decoration: underline;
}

.legal-shell {
  min-height: 100vh;
  padding: 32px;
  display: grid;
  place-items: center;
}

.legal-card {
  width: min(860px, 100%);
  padding: 32px;
}

.legal-card h1,
.legal-card h2 {
  font-family: var(--font-display);
}

.legal-card h1 {
  margin: 0 0 12px;
}

.legal-card h2 {
  margin: 24px 0 10px;
}

.legal-card p,
.legal-card li {
  color: var(--ink);
  line-height: 1.6;
}

.legal-card a {
  color: var(--accent);
}

.shell {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  padding: 28px 22px;
  background: rgba(8, 16, 25, 0.92);
  color: var(--ink);
  display: flex;
  flex-direction: column;
  gap: 24px;
  border-right: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: linear-gradient(180deg, var(--accent-strong), var(--accent));
  color: #031118;
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
}

.brand h1,
.topbar h2,
.hero h3,
.panel-head h3,
.card h4,
.login-card h2 {
  margin: 0;
  font-family: var(--font-display);
  letter-spacing: -0.03em;
}

.eyebrow {
  margin: 0 0 4px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  color: var(--accent);
}

.nav {
  display: grid;
  gap: 10px;
}

.nav-link,
.ghost-button,
.primary-button {
  border: 0;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font: inherit;
}

.nav-link {
  text-align: left;
  padding: 14px 16px;
  background: transparent;
  color: rgba(237, 246, 255, 0.74);
}

.nav-link.active,
.nav-link:hover {
  background: rgba(111, 227, 255, 0.1);
  color: var(--ink);
}

.nav-link.hidden {
  display: none;
}

.sidebar-foot {
  margin-top: auto;
}

.ghost-button {
  width: 100%;
  padding: 13px 16px;
  background: rgba(18, 32, 49, 0.88);
  color: var(--ink);
  border: 1px solid var(--line);
}

.main {
  padding: 28px;
}

.topbar,
.hero,
.card,
.login-card {
  background: var(--paper);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
}

.topbar,
.hero,
.card {
  border-radius: var(--radius-lg);
}

.topbar {
  padding: 24px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
}

.topbar-meta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.meta-pill {
  padding: 12px 14px;
  background: rgba(18, 32, 49, 0.92);
  border-radius: var(--radius-md);
  min-width: 140px;
}

.meta-pill span,
.muted {
  color: var(--muted);
}

.hero {
  margin-top: 18px;
  padding: 28px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 18px;
}

.panel {
  margin-top: 18px;
}

.panel.hidden,
.hidden {
  display: none !important;
}

.panel-head {
  margin-bottom: 14px;
}

.grid {
  display: grid;
  gap: 18px;
}

.split-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

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

.card {
  padding: 22px;
}

.stack {
  display: grid;
  gap: 12px;
}

label span {
  display: block;
  margin-bottom: 6px;
  font-size: 0.88rem;
  color: var(--muted);
}

input,
textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: rgba(18, 32, 49, 0.96);
  color: var(--ink);
  font: inherit;
}

.primary-button {
  padding: 13px 16px;
  background: linear-gradient(180deg, var(--accent-strong), var(--accent));
  color: #031118;
  font-weight: 600;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-button {
  width: auto;
  min-width: 180px;
}

.login-view {
  min-height: calc(100vh - 56px);
  display: grid;
  place-items: center;
}

.landing-stack {
  width: min(1180px, 100%);
  display: grid;
  gap: 18px;
}

.landing-hero {
  padding: 30px;
  display: grid;
  gap: 22px;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  align-items: end;
}

.landing-copy h2,
.benefit-card h3 {
  margin: 0;
  font-family: var(--font-display);
  letter-spacing: -0.03em;
}

.landing-copy p:last-child {
  margin-bottom: 0;
}

.landing-metrics {
  display: grid;
  gap: 12px;
}

.metric-chip {
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: rgba(18, 32, 49, 0.92);
  border: 1px solid var(--line);
}

.metric-chip strong,
.metric-chip span {
  display: block;
}

.metric-chip span {
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.92rem;
}

.benefits-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.how-it-works {
  padding: 26px 28px;
}

.steps-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.cta-strip {
  padding: 28px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
}

.cta-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  min-width: 260px;
  justify-content: flex-end;
}

.step-card {
  padding: 20px;
  border-radius: var(--radius-md);
  background: rgba(18, 32, 49, 0.78);
  border: 1px solid var(--line);
}

.step-card h4 {
  margin: 10px 0 8px;
  font-family: var(--font-display);
}

.step-card p {
  margin: 0;
}

.step-number {
  display: inline-flex;
  min-width: 52px;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(111, 227, 255, 0.12);
  color: var(--accent);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  font-weight: 700;
}

.benefit-card {
  min-height: 100%;
}

.benefit-list {
  margin: 14px 0 0;
  padding-left: 18px;
  color: var(--muted);
  display: grid;
  gap: 10px;
}

.login-grid {
  width: min(980px, 100%);
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.login-card {
  width: 100%;
  padding: 32px;
  border-radius: 32px;
}

.signup-card {
  position: relative;
  overflow: hidden;
}

.signup-card::after {
  content: "";
  position: absolute;
  inset: auto -10% -35% 40%;
  height: 180px;
  background: radial-gradient(circle, rgba(111, 227, 255, 0.22), transparent 70%);
  pointer-events: none;
}

.signup-help {
  margin: 0;
  font-size: 0.84rem;
}

.error-text {
  min-height: 1.2rem;
  color: #b23d2a;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}

.stat-card {
  padding: 18px;
  border-radius: var(--radius-md);
  background: rgba(18, 32, 49, 0.88);
  border: 1px solid var(--line);
}

.stat-card strong {
  display: block;
  margin-top: 8px;
  font-size: 1.8rem;
  font-family: var(--font-display);
}

table {
  width: 100%;
  border-collapse: collapse;
  display: block;
  overflow-x: auto;
  white-space: nowrap;
}

th,
td {
  padding: 12px 10px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

th {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.pill {
  display: inline-block;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(111, 227, 255, 0.12);
  color: var(--accent);
  font-size: 0.8rem;
}

.table-button {
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(18, 32, 49, 0.92);
  cursor: pointer;
  font: inherit;
  color: var(--ink);
}

.table-button:hover {
  border-color: rgba(111, 227, 255, 0.32);
  color: var(--accent);
}

.table-button.danger {
  border-color: rgba(178, 61, 42, 0.18);
  color: #9a2b1d;
}

.table-button.danger:hover {
  border-color: rgba(178, 61, 42, 0.32);
}

pre {
  margin: 0;
  padding: 14px;
  overflow: auto;
  border-radius: var(--radius-md);
  background: rgba(8, 16, 25, 0.96);
  color: var(--ink);
  font-size: 0.82rem;
}

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

  .sidebar {
    position: sticky;
    top: 0;
    z-index: 10;
    padding: 18px 16px;
    gap: 16px;
  }

  .brand {
    justify-content: space-between;
  }

  .sidebar-foot {
    margin-top: 0;
  }

  .nav {
    grid-auto-flow: column;
    grid-auto-columns: max-content;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: none;
  }

  .nav::-webkit-scrollbar {
    display: none;
  }

  .nav-link {
    text-align: center;
    white-space: nowrap;
    min-width: 108px;
  }

  .two-up,
  .stat-grid,
  .benefits-grid,
  .steps-grid,
  .login-grid {
    grid-template-columns: 1fr;
  }

  .landing-hero {
    grid-template-columns: 1fr;
  }

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

  .cta-actions {
    justify-content: flex-start;
    min-width: 0;
  }

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

  .site-footer {
    flex-direction: column;
  }
}

@media (max-width: 768px) {
  .main,
  .legal-shell {
    padding: 16px;
  }

  .topbar,
  .hero,
  .card,
  .login-card,
  .legal-card,
  .landing-hero,
  .how-it-works,
  .cta-strip {
    padding: 18px;
    border-radius: 22px;
  }

  .brand-mark {
    width: 42px;
    height: 42px;
    font-size: 1.2rem;
  }

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

  .topbar-meta {
    width: 100%;
  }

  .meta-pill {
    min-width: 0;
    flex: 1 1 140px;
  }

  .hero-button,
  .ghost-button,
  .primary-button {
    width: 100%;
  }

  .cta-actions {
    width: 100%;
  }

  .landing-copy h2,
  .login-card h2,
  .hero h3,
  .panel-head h3 {
    font-size: 1.5rem;
    line-height: 1.15;
  }

  .stat-card strong {
    font-size: 1.5rem;
  }
}

@media (max-width: 560px) {
  .sidebar {
    padding: 14px 12px;
  }

  .brand {
    gap: 10px;
  }

  .sidebar-foot .ghost-button {
    width: auto;
    min-width: 120px;
  }

  .main,
  .legal-shell {
    padding: 12px;
  }

  .topbar,
  .hero,
  .card,
  .login-card,
  .legal-card,
  .landing-hero,
  .how-it-works,
  .cta-strip {
    padding: 16px;
    border-radius: 18px;
  }

  .landing-copy h2,
  .login-card h2,
  .hero h3,
  .panel-head h3 {
    font-size: 1.3rem;
  }

  .eyebrow {
    font-size: 0.66rem;
    letter-spacing: 0.12em;
  }

  input,
  textarea,
  .ghost-button,
  .primary-button {
    font-size: 16px;
  }

  .nav-link {
    font-size: 14px;
  }

  .step-card,
  .metric-chip,
  .stat-card {
    padding: 14px;
  }

  .watermark {
    font-size: clamp(1.5rem, 9vw, 3rem);
  }
}