:root {
  --bg: #0f1827;
  --bg-alt: #1a2a3f;
  --panel: #111f34;
  --text: #eef4ff;
  --muted: #b7c5df;
  --line: #2c3f5e;
  --accent: #1e9ad6;
  --accent-strong: #1986ba;
  --danger: #ff6f7a;
  --ok: #78d9a1;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 5% 0%, #2a3f5e, var(--bg) 48%);
}

body[data-page="home"] {
  color: #111827;
  background: #f6f8fb;
}

a {
  color: inherit;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 10px;
  z-index: 100;
  background: #0f172a;
  color: #fff;
  padding: 8px 12px;
  border-radius: 8px;
  text-decoration: none;
}

.skip-link:focus {
  left: 12px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 22px;
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
  background: rgba(15, 24, 39, 0.9);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-size: 21px;
  font-weight: 500;
}

.brand img {
  width: 156px;
  height: auto;
  object-fit: contain;
  border-radius: 0;
  border: none;
}

nav {
  display: flex;
  gap: 18px;
}

nav a {
  text-decoration: none;
  color: var(--muted);
  font-size: 14px;
}

nav a:hover {
  color: var(--text);
}

.layout {
  max-width: 1180px;
  margin: 0 auto;
  padding: 28px 18px 64px;
}

body[data-page="home"] .layout {
  max-width: 1240px;
}

.panel {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(17, 31, 52, 0.75);
  overflow: hidden;
}

body[data-page="home"] .panel {
  border: 1px solid #d8e1ed;
  background: #ffffff;
  box-shadow: 0 10px 26px rgba(20, 33, 54, 0.08);
}

body[data-page="home"] .site-header {
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid #e4e9f1;
}

body[data-page="home"] nav a {
  color: #243041;
  font-weight: 500;
}

body[data-page="home"] nav a:hover {
  color: #0b1c33;
}

body[data-page="home"] .brand span {
  color: #0f172a;
}

.home-hero {
  position: relative;
  height: min(62vh, 620px);
}

.home-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.home-hero-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: end;
  gap: 10px;
  padding: clamp(22px, 4vw, 46px);
  background: linear-gradient(180deg, rgba(12, 24, 40, 0.04), rgba(6, 15, 29, 0.56));
  color: #ffffff;
}

.home-hero-overlay p {
  margin: 0;
  max-width: 760px;
  color: rgba(245, 249, 255, 0.92);
}

.home-hero-overlay h1 {
  margin: 0;
  max-width: 900px;
  font-size: clamp(34px, 4.4vw, 62px);
}

.hero-actions {
  display: flex;
  gap: 10px;
  margin-top: 12px;
}

.hero-grid {
  margin-top: 14px;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 14px;
}

.hero-copy {
  padding: 28px;
}

.kicker {
  margin: 0 0 12px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 12px;
}

body[data-page="home"] .hero-copy p,
body[data-page="home"] .hero-copy li,
body[data-page="home"] p,
body[data-page="home"] label,
body[data-page="home"] .hint {
  color: #4b5563;
}

body[data-page="home"] .brand span {
  letter-spacing: 0.01em;
}

h1 {
  margin: 0;
  font-size: clamp(32px, 4.2vw, 56px);
  line-height: 1.08;
  font-weight: 500;
}

h2 {
  margin: 0 0 14px;
  font-size: 27px;
  font-weight: 500;
}

body[data-page="home"] h2,
body[data-page="home"] h3,
body[data-page="home"] .mini-cards strong {
  color: #0f172a;
}

h3 {
  margin: 0 0 10px;
  font-size: 28px;
  font-weight: 500;
}

p {
  color: var(--muted);
  line-height: 1.65;
}

.bullets {
  margin: 20px 0 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.7;
}

.hero-media {
  display: grid;
  grid-template-rows: 58% 42%;
  min-height: 420px;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.split-grid {
  margin-top: 14px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.login-panel,
.ai-panel {
  padding: 24px;
}

form {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

label {
  font-size: 13px;
  color: var(--muted);
}

input {
  width: 100%;
  border: 1px solid #385176;
  border-radius: 10px;
  padding: 11px 12px;
  font-size: 15px;
  color: var(--text);
  background: #0f1a2d;
}

body[data-page="home"] input {
  border: 1px solid #cad6e4;
  color: #0f172a;
  background: #ffffff;
}

input:focus {
  outline: 2px solid rgba(30, 154, 214, 0.5);
  outline-offset: 1px;
}

.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  margin-top: 10px;
  border: none;
  border-radius: 10px;
  padding: 11px 14px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}

.primary {
  background: var(--accent);
  color: #f5fcff;
}

.primary:hover {
  background: var(--accent-strong);
}

.ghost {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
}

.light-ghost {
  color: #eef4ff;
  border-color: rgba(235, 244, 255, 0.6);
}

body[data-page="home"] .ghost {
  border: 1px solid #ced9e8;
  color: #0f172a;
}

.hint {
  margin-top: 12px;
  font-size: 13px;
}

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

.api-health {
  margin: 0 0 12px;
  font-size: 13px;
  color: #64748b;
}

.api-health.ok {
  color: #0f766e;
}

.api-health.error {
  color: #b91c1c;
}

.status {
  min-height: 20px;
  margin: 10px 0 0;
  font-size: 13px;
}

.status.error {
  color: var(--danger);
}

.status.ok {
  color: var(--ok);
}

body[data-page="home"] .status.ok {
  color: #0f766e;
}

body[data-page="home"] .status.error {
  color: #b91c1c;
}

.mini-cards {
  display: grid;
  gap: 10px;
}

.mini-cards div {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px;
  background: rgba(12, 24, 40, 0.7);
}

body[data-page="home"] .mini-cards div {
  border: 1px solid #dce4ef;
  background: #f9fbff;
}

.mini-cards p {
  margin: 8px 0 0;
  font-size: 14px;
}

.password-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: center;
}

.inline-btn {
  margin-top: 0;
  height: 43px;
  min-width: 72px;
  font-size: 13px;
}

.feature-banner {
  margin-top: 14px;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
}

.feature-banner img {
  width: 100%;
  height: 270px;
  object-fit: cover;
}

.feature-banner div {
  padding: 28px;
}

.footer-note {
  margin-top: 14px;
  padding: 18px 22px;
}

.footer-note p {
  margin: 0;
  color: #485569;
  font-size: 14px;
}

.page-shell {
  min-height: calc(100vh - 72px);
  display: grid;
  place-items: center;
  padding: 26px;
}

.auth-card,
.workspace-shell {
  width: min(920px, 100%);
}

.auth-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.auth-copy {
  padding: 28px;
  border-right: 1px solid var(--line);
}

.auth-form {
  padding: 28px;
}

.workspace-shell {
  display: grid;
  gap: 14px;
}

.workspace-top,
.workspace-grid article {
  padding: 22px;
}

.workspace-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.workspace-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.workspace-grid h4 {
  margin: 0 0 10px;
  font-size: 18px;
}

@media (max-width: 920px) {
  nav {
    display: none;
  }

  .hero-grid,
  .home-hero,
  .split-grid,
  .feature-banner,
  .auth-card,
  .workspace-grid {
    grid-template-columns: 1fr;
  }

  .home-hero {
    height: 420px;
  }

  .brand span {
    display: none;
  }

  .hero-media {
    min-height: 320px;
  }

  .auth-copy {
    border-right: none;
    border-bottom: 1px solid var(--line);
  }
}