:root {
  --lb-ink: #0f1c2e;
  --lb-ink-soft: #3a4a5c;
  --lb-surface: #f3f6f9;
  --lb-card: #ffffff;
  --lb-accent: #0d9488;
  --lb-accent-dark: #0f766e;
  --lb-accent-soft: #ccfbf1;
  --lb-warn: #d97706;
  --lb-border: #e2e8f0;
  --lb-sidebar: #0f1c2e;
  --lb-radius: 14px;
  --lb-shadow: 0 10px 30px rgba(15, 28, 46, 0.06);
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Source Sans 3", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  font-family: var(--font-body);
  color: var(--lb-ink);
  background: var(--lb-surface);
  min-height: 100vh;
}

h1, h2, h3, .brand-font {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
}

a { color: var(--lb-accent-dark); text-decoration: none; }
a:hover { color: var(--lb-accent); }

.app-shell { display: flex; min-height: 100vh; }

.sidebar {
  width: 260px;
  background: linear-gradient(180deg, #0f1c2e 0%, #16324f 100%);
  color: #e8eef5;
  padding: 1.5rem 1rem;
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
}

.sidebar .brand {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: #fff;
  padding: 0.25rem 0.75rem 1.25rem;
}

.sidebar .nav-link {
  color: rgba(255,255,255,.78);
  border-radius: 10px;
  padding: .65rem .85rem;
  margin-bottom: .2rem;
  display: flex;
  align-items: center;
  gap: .6rem;
  transition: .2s ease;
}

.sidebar .nav-link:hover,
.sidebar .nav-link.active {
  background: rgba(13, 148, 136, .22);
  color: #fff;
}

.main-content {
  flex: 1;
  padding: 1.5rem 1.75rem 2.5rem;
  max-width: 1200px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  gap: 1rem;
  flex-wrap: wrap;
}

.card-soft {
  background: var(--lb-card);
  border: 1px solid var(--lb-border);
  border-radius: var(--lb-radius);
  box-shadow: var(--lb-shadow);
  padding: 1.25rem;
}

.stat-card {
  background: var(--lb-card);
  border: 1px solid var(--lb-border);
  border-radius: var(--lb-radius);
  padding: 1.1rem 1.25rem;
  box-shadow: var(--lb-shadow);
  height: 100%;
}

.stat-card .label {
  color: var(--lb-ink-soft);
  font-size: .85rem;
  margin-bottom: .35rem;
}

.stat-card .value {
  font-family: var(--font-display);
  font-size: 1.7rem;
  line-height: 1.1;
}

.btn-accent {
  background: var(--lb-accent);
  border-color: var(--lb-accent);
  color: #fff;
}
.btn-accent:hover {
  background: var(--lb-accent-dark);
  border-color: var(--lb-accent-dark);
  color: #fff;
}

.btn-outline-accent {
  color: var(--lb-accent-dark);
  border-color: var(--lb-accent);
}
.btn-outline-accent:hover {
  background: var(--lb-accent);
  color: #fff;
}

.table thead th {
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--lb-ink-soft);
  border-bottom-width: 1px;
}

.progress-slim {
  height: 8px;
  border-radius: 999px;
  background: #e8eef5;
}
.progress-slim .bar {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--lb-accent), #14b8a6);
}

.plan-card {
  border: 1px solid var(--lb-border);
  border-radius: var(--lb-radius);
  padding: 1.5rem;
  background: #fff;
  height: 100%;
  position: relative;
  transition: transform .2s ease, box-shadow .2s ease;
}
.plan-card:hover { transform: translateY(-3px); box-shadow: var(--lb-shadow); }
.plan-card.featured {
  border-color: var(--lb-accent);
  background: linear-gradient(180deg, #f0fdfa 0%, #fff 40%);
}
.plan-card .price {
  font-family: var(--font-display);
  font-size: 2rem;
}

.payment-gateway {
  padding: .65rem .75rem;
  border: 1px solid var(--lb-border);
  border-radius: calc(var(--lb-radius) - 2px);
  background: #f8fafc;
}
.payment-gateway .form-check-label {
  font-size: .92rem;
}
.platform-pay-form {
  min-width: 220px;
}

/* Guest / marketing */
.guest-body {
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(13,148,136,.18), transparent 60%),
    radial-gradient(900px 400px at 90% 0%, rgba(22,50,79,.12), transparent 55%),
    linear-gradient(180deg, #f7fafc 0%, #eef3f7 100%);
  min-height: 100vh;
}

.guest-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 0;
}

.hero {
  padding: 4rem 0 3rem;
}
.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  max-width: 14ch;
  line-height: 1.05;
}
.hero .lead {
  max-width: 36rem;
  color: var(--lb-ink-soft);
  font-size: 1.15rem;
}

.feature-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 3rem;
}
.feature-item {
  padding: 1.25rem;
  border-radius: var(--lb-radius);
  background: rgba(255,255,255,.7);
  border: 1px solid rgba(226,232,240,.9);
  backdrop-filter: blur(6px);
}
.feature-item strong {
  display: block;
  margin-bottom: .35rem;
  font-family: var(--font-display);
}

.auth-card {
  max-width: 440px;
  margin: 3rem auto;
  background: #fff;
  border-radius: 18px;
  border: 1px solid var(--lb-border);
  box-shadow: var(--lb-shadow);
  padding: 2rem;
}

.invoice-paper {
  background: #fff;
  border: 1px solid var(--lb-border);
  border-radius: 12px;
  padding: 2rem;
}

.lang-switch a {
  color: inherit;
  opacity: .7;
  margin-left: .5rem;
  font-size: .9rem;
}
.lang-switch a.active { opacity: 1; font-weight: 600; }

.site-footer {
  margin-top: 3rem;
  padding: 2.5rem 0 1.5rem;
  border-top: 1px solid var(--lb-border);
  background: rgba(255,255,255,.55);
  color: var(--lb-ink-soft);
  font-size: .95rem;
}
.app-shell .site-footer {
  margin-top: 2.5rem;
  margin-left: -1.75rem;
  margin-right: -1.75rem;
  margin-bottom: -2.5rem;
  padding-left: 1.75rem;
  padding-right: 1.75rem;
  background: #fff;
}
.footer-company {
  line-height: 1.55;
  max-width: 28rem;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: .45rem;
  align-items: flex-start;
}
.footer-links a {
  color: var(--lb-ink);
  text-decoration: none;
}
.footer-links a:hover { color: var(--lb-accent-dark); }
.footer-bottom {
  margin-top: 1.75rem;
  padding-top: 1rem;
  border-top: 1px solid var(--lb-border);
  font-size: .85rem;
  opacity: .85;
}
.legal-page {
  max-width: 820px;
  margin-left: auto;
  margin-right: auto;
}
.legal-body h2 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-top: 1.5rem;
  margin-bottom: .5rem;
  color: var(--lb-ink);
}
.legal-body p, .legal-body li {
  color: var(--lb-ink-soft);
  line-height: 1.6;
}
.plan-feature-list {
  min-height: 7.5rem;
}

@media (max-width: 991px) {
  .app-shell { flex-direction: column; }
  .sidebar {
    width: 100%;
    height: auto;
    position: relative;
  }
  .feature-row { grid-template-columns: 1fr 1fr; }
  .app-shell .site-footer {
    margin-left: -1rem;
    margin-right: -1rem;
    padding-left: 1rem;
    padding-right: 1rem;
  }
}

@media (max-width: 576px) {
  .feature-row { grid-template-columns: 1fr; }
  .main-content { padding: 1rem; }
}