:root {
  --bg-main: #070b16;
  --bg-alt: #0e1526;
  --surface: rgba(17, 25, 44, 0.84);
  --surface-strong: #121d34;
  --line: #24324c;
  --line-strong: #33486d;
  --text: #e9f0ff;
  --muted: #9cb0d1;
  --brand: #2f81f7;
  --brand-strong: #1f6fdb;
  --soft: #1a2743;
  --good: #2ea043;
  --warn: #c69026;
  --bad: #d25555;
  --radius-lg: 20px;
  --radius-md: 14px;
  --shadow-lg: 0 22px 50px rgba(0, 0, 0, 0.45);
  --shadow-md: 0 14px 28px rgba(0, 0, 0, 0.34);
}

* {
  box-sizing: border-box;
}

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

body {
  background: radial-gradient(circle at 5% -10%, #183264 0%, transparent 34%),
    radial-gradient(circle at 100% 0%, #0f4f5f 0%, transparent 28%),
    linear-gradient(160deg, var(--bg-main) 0%, var(--bg-alt) 100%);
  color: var(--text);
  font-family: "Space Grotesk", sans-serif;
}

.bg-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(142, 184, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(142, 184, 255, 0.08) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: radial-gradient(circle at 50% 20%, #000 14%, transparent 70%);
}

.site-shell {
  position: relative;
  z-index: 1;
  max-width: 1240px;
  margin: 0 auto;
  padding: 18px 16px 40px;
}

.top-nav {
  position: sticky;
  top: 12px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(8, 13, 24, 0.78);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-md);
}

.top-nav.slim {
  position: static;
  border-radius: var(--radius-md);
}

.logo-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
}

.logo-mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: "IBM Plex Mono", monospace;
  font-weight: 600;
  letter-spacing: 0.03em;
  background: linear-gradient(145deg, #2f81f7, #1aa1bb);
  color: #fff;
}

.logo-copy {
  display: grid;
  gap: 2px;
}

.logo-copy strong {
  font-size: 0.96rem;
  line-height: 1;
}

.logo-copy small {
  color: var(--muted);
  font-size: 0.72rem;
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-links a {
  padding: 8px 10px;
  border-radius: 10px;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 150ms ease, background 150ms ease;
}

.nav-links a:hover {
  color: var(--text);
  background: rgba(47, 129, 247, 0.12);
}

.nav-links.compact a {
  font-size: 0.85rem;
}

.nav-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

main {
  display: grid;
  gap: 18px;
  margin-top: 16px;
}

.section,
.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-lg);
  padding: clamp(16px, 2vw, 28px);
}

.hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 18px;
  background: linear-gradient(145deg, rgba(19, 37, 70, 0.92) 0%, rgba(11, 19, 36, 0.94) 55%, rgba(15, 51, 63, 0.92) 100%);
}

.eyebrow {
  margin: 0;
  color: #8eb8ff;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.72rem;
  font-weight: 700;
}

h1,
h2,
h3 {
  margin: 0;
}

h1 {
  margin-top: 10px;
  font-size: clamp(1.7rem, 2.7vw, 3rem);
  line-height: 1.12;
}

h2 {
  font-size: clamp(1.2rem, 1.5vw, 1.8rem);
}

h3 {
  font-size: 1.04rem;
}

p {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.55;
}

.hero-actions {
  margin-top: 18px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.hero-note {
  margin-top: 14px;
  font-size: 0.88rem;
}

.hero-note code,
.info-block code,
.site-footer code {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.84em;
  color: #8ed8ff;
}

.hero-card {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  background: rgba(13, 20, 38, 0.78);
  padding: 18px;
  display: grid;
  gap: 10px;
}

.hero-card ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 7px;
  color: #ccdaf1;
}

.kpi-grid {
  margin-top: 8px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.kpi-grid article {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px;
  background: rgba(20, 31, 54, 0.72);
  display: grid;
  gap: 4px;
}

.kpi-grid strong {
  font-size: 1.05rem;
}

.kpi-grid span {
  color: var(--muted);
  font-size: 0.78rem;
}

.section-head {
  display: grid;
  gap: 8px;
  margin-bottom: 14px;
}

.section-head.split {
  grid-template-columns: 1fr 1fr;
  align-items: end;
}

.section-copy {
  font-size: 0.92rem;
}

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

.feature-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(13, 22, 40, 0.8);
  padding: 14px;
}

.plan-grid {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.plan-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(14, 23, 43, 0.9);
  padding: 14px;
  display: grid;
  gap: 10px;
  transition: border-color 150ms ease, transform 150ms ease, box-shadow 150ms ease;
}

.plan-card:hover {
  transform: translateY(-2px);
  border-color: #4270b7;
  box-shadow: 0 14px 24px rgba(0, 0, 0, 0.36);
}

.plan-card.highlight {
  border-color: #2f81f7;
  box-shadow: 0 0 0 1px rgba(47, 129, 247, 0.5), 0 16px 26px rgba(13, 27, 54, 0.42);
}

.plan-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.plan-name {
  font-family: "IBM Plex Mono", monospace;
  text-transform: uppercase;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: #90c0ff;
}

.plan-card ul {
  margin: 0;
  padding-left: 18px;
  color: #ccdaf1;
  display: grid;
  gap: 4px;
}

.card-actions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

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

.workflow-grid article {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(14, 23, 43, 0.82);
  padding: 14px;
  display: grid;
  gap: 8px;
}

.workflow-grid span {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(47, 129, 247, 0.18);
  color: #9bc4ff;
  font-family: "IBM Plex Mono", monospace;
  font-weight: 600;
}

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

.faq-grid article {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(14, 23, 43, 0.8);
  padding: 14px;
}

.cta-strip {
  text-align: center;
  background: linear-gradient(120deg, rgba(16, 31, 57, 0.9), rgba(18, 70, 98, 0.8));
}

.site-footer {
  margin-top: 18px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 0.88rem;
}

.site-footer > div {
  display: flex;
  gap: 12px;
}

.site-footer a {
  color: var(--muted);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--text);
}

.btn {
  border: 1px solid transparent;
  border-radius: 11px;
  padding: 9px 13px;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-decoration: none;
  cursor: pointer;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  transition: transform 140ms ease, border-color 140ms ease, background 140ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  color: #fff;
  background: linear-gradient(140deg, var(--brand), #2388d8);
}

.btn-primary:hover {
  background: linear-gradient(140deg, var(--brand-strong), #1f78be);
}

.btn-soft {
  color: #d8e7ff;
  border-color: #2c4266;
  background: #16243e;
}

.btn-soft:hover {
  border-color: #46679c;
  background: #1a2e4f;
}

.btn-ghost {
  color: #bdd3f5;
  border-color: #2e415f;
  background: rgba(10, 17, 31, 0.62);
}

.btn-ghost:hover {
  color: #e7f0ff;
  border-color: #4f6f9f;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(3, 7, 15, 0.76);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px;
  z-index: 50;
}

.modal.hidden {
  display: none;
}

.modal-card {
  width: min(540px, 100%);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background: #0f1930;
  box-shadow: var(--shadow-lg);
  padding: 18px;
  position: relative;
  display: grid;
  gap: 12px;
}

.modal-close {
  position: absolute;
  right: 10px;
  top: 8px;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: rgba(20, 30, 50, 0.8);
  color: var(--text);
  cursor: pointer;
  font-size: 1.1rem;
}

.page-wrap {
  margin-top: 16px;
  display: grid;
  gap: 14px;
}

.auth-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.page-head h1 {
  max-width: 28ch;
}

.stack-list {
  margin: 8px 0 0;
  padding-left: 18px;
  color: #ccdaf1;
  display: grid;
  gap: 6px;
}

.info-block {
  margin-top: 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(13, 22, 40, 0.8);
  padding: 10px;
  display: grid;
  gap: 6px;
}

.tab-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.tab-btn {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(13, 22, 40, 0.84);
  color: var(--muted);
  padding: 9px;
  cursor: pointer;
  font-weight: 600;
}

.tab-btn.active {
  color: #fff;
  border-color: #3e6299;
  background: rgba(47, 129, 247, 0.28);
}

.form-grid {
  display: grid;
  gap: 10px;
}

.form-grid.compact-gap {
  gap: 8px;
}

label {
  display: grid;
  gap: 6px;
  font-size: 0.9rem;
  color: #bdd0ee;
}

input,
select,
textarea,
button {
  font: inherit;
}

input,
select,
textarea {
  border: 1px solid #30476e;
  border-radius: 10px;
  padding: 10px 11px;
  color: var(--text);
  background: #0d1730;
}

input:focus,
select:focus,
textarea:focus,
button:focus {
  outline: 2px solid rgba(47, 129, 247, 0.7);
  outline-offset: 1px;
}

.check-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.check-row input {
  width: 16px;
  height: 16px;
  margin: 0;
}

.inline-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.status-box {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 11px;
  background: rgba(13, 21, 38, 0.84);
  color: var(--muted);
  font-size: 0.9rem;
}

.status-box.success {
  border-color: rgba(46, 160, 67, 0.58);
  color: #8ae3a1;
  background: rgba(22, 53, 33, 0.62);
}

.status-box.error {
  border-color: rgba(210, 85, 85, 0.58);
  color: #ffb0b0;
  background: rgba(58, 24, 24, 0.66);
}

.status-box.busy {
  border-color: rgba(198, 144, 38, 0.58);
  color: #ffd082;
  background: rgba(59, 43, 20, 0.66);
}

.status-box.idle {
  border-color: var(--line);
  color: var(--muted);
}

.json-box {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px;
  min-height: 116px;
  overflow: auto;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.82rem;
  line-height: 1.45;
  background: rgba(10, 17, 31, 0.74);
  color: #d7e5fd;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.full-width {
  grid-column: 1 / -1;
}

.panel-head-inline {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.hidden {
  display: none !important;
}

@media (max-width: 1080px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .section-head.split {
    grid-template-columns: 1fr;
  }

  .feature-grid,
  .plan-grid,
  .faq-grid,
  .workflow-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .top-nav {
    position: static;
    border-radius: var(--radius-md);
    flex-wrap: wrap;
  }

  .nav-links {
    order: 3;
    width: 100%;
    flex-wrap: wrap;
  }

  .auth-layout,
  .dashboard-grid,
  .feature-grid,
  .plan-grid,
  .faq-grid,
  .workflow-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 620px) {
  .site-shell {
    padding: 12px 10px 28px;
  }

  .section,
  .panel,
  .modal-card {
    border-radius: 14px;
    padding: 14px;
  }

  .btn {
    width: 100%;
  }

  .hero-actions,
  .nav-actions,
  .inline-actions {
    width: 100%;
  }

  .nav-actions {
    flex-wrap: wrap;
  }
}