:root {
  --opsys-lime: #9adf25;
  --opsys-lime-dark: #72ad15;
  --opsys-charcoal: #1f2322;
  --opsys-ink: #303433;
  --opsys-muted: #6c7471;
  --opsys-line: #d9dfdc;
  --opsys-bg: #f4f7f5;
  --opsys-panel: #ffffff;
  --opsys-panel-soft: #eef3f0;
  --opsys-shadow: 0 14px 36px rgba(18, 23, 21, 0.08);
}

html {
  font-size: 15px;
  min-height: 100%;
  position: relative;
}

body {
  background: var(--opsys-bg);
  color: var(--opsys-ink);
  font-family: Inter, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  margin-bottom: 70px;
}

a {
  color: #23610b;
}

a:hover {
  color: var(--opsys-lime-dark);
}

.opsys-navbar {
  background: var(--opsys-panel);
  border-bottom: 1px solid var(--opsys-line);
  box-shadow: 0 8px 28px rgba(16, 21, 19, 0.06);
  padding: 0.75rem 1rem;
  position: relative;
}

.opsys-navbar::before {
  background: var(--opsys-lime);
  content: "";
  height: 4px;
  inset: 0 0 auto;
  position: absolute;
}

.opsys-brand {
  align-items: center;
  display: flex;
  gap: 1rem;
  margin-right: 2rem;
  min-width: 300px;
}

.opsys-brand img {
  height: 42px;
  max-width: 200px;
  object-fit: contain;
}

.opsys-brand span {
  border-left: 1px solid var(--opsys-line);
  color: var(--opsys-charcoal);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0;
  padding-left: 1rem;
  text-transform: uppercase;
  white-space: nowrap;
}

.navbar-nav .nav-link {
  border-radius: 6px;
  color: var(--opsys-ink);
  font-weight: 600;
  margin: 0 0.1rem;
  padding: 0.55rem 0.8rem;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus {
  background: var(--opsys-panel-soft);
  color: var(--opsys-charcoal);
}

.container-fluid {
  max-width: 1560px;
}

.opsys-page-hero {
  background: linear-gradient(135deg, var(--opsys-charcoal), #353a38);
  border-radius: 8px;
  box-shadow: var(--opsys-shadow);
  color: #ffffff;
  overflow: hidden;
  padding: 2rem;
  position: relative;
}

.opsys-page-hero::after {
  background: var(--opsys-lime);
  bottom: 0;
  content: "";
  height: 5px;
  left: 0;
  position: absolute;
  right: 0;
}

.opsys-page-hero p {
  color: #dfe7e2;
}

.opsys-kicker {
  color: var(--opsys-lime);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  margin-bottom: 0.35rem;
  text-transform: uppercase;
}

.opsys-page-title {
  background: var(--opsys-panel);
  border: 1px solid var(--opsys-line);
  border-left: 5px solid var(--opsys-lime);
  border-radius: 8px;
  box-shadow: 0 10px 28px rgba(18, 23, 21, 0.05);
  padding: 1rem 1.25rem;
}

.opsys-page-title p,
.text-muted {
  color: var(--opsys-muted) !important;
}

.opsys-admin-layout {
  align-items: flex-start;
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 220px minmax(0, 1fr);
}

.opsys-admin-sidebar {
  background: var(--opsys-panel);
  border: 1px solid var(--opsys-line);
  border-radius: 8px;
  box-shadow: 0 10px 24px rgba(18, 23, 21, 0.04);
  padding: 1rem;
  position: sticky;
  top: 1rem;
}

.opsys-admin-sidebar-title {
  color: var(--opsys-muted);
  font-size: 0.78rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
}

.opsys-admin-menu {
  display: grid;
  gap: 0.35rem;
}

.opsys-admin-link {
  border-left: 4px solid transparent;
  border-radius: 6px;
  color: var(--opsys-ink);
  font-weight: 800;
  padding: 0.7rem 0.8rem;
  text-decoration: none;
}

.opsys-admin-link:hover,
.opsys-admin-link:focus {
  background: var(--opsys-panel-soft);
  color: var(--opsys-charcoal);
}

.opsys-admin-link.active {
  background: #eaf3df;
  border-left-color: var(--opsys-lime);
  color: var(--opsys-charcoal);
}

.opsys-admin-content {
  min-width: 0;
}

.card,
.board-column {
  background: var(--opsys-panel);
  border: 1px solid var(--opsys-line);
  border-radius: 8px;
  box-shadow: 0 10px 24px rgba(18, 23, 21, 0.04);
}

.dashboard-stat {
  border-top: 4px solid var(--opsys-lime);
}

.stat-label {
  color: var(--opsys-muted);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.stat-value {
  color: var(--opsys-charcoal);
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.1;
  margin-top: 0.35rem;
}

.btn {
  border-radius: 6px;
  font-weight: 700;
}

.btn-primary {
  background: var(--opsys-lime);
  border-color: var(--opsys-lime);
  color: #17200f;
}

.btn-primary:hover,
.btn-primary:focus {
  background: #8bd01d;
  border-color: #8bd01d;
  color: #17200f;
}

.btn-outline-secondary,
.btn-outline-primary {
  border-color: #aeb8b2;
  color: var(--opsys-charcoal);
}

.btn-outline-secondary:hover,
.btn-outline-primary:hover {
  background: var(--opsys-charcoal);
  border-color: var(--opsys-charcoal);
  color: #ffffff;
}

.btn-success {
  background: #2f7d32;
  border-color: #2f7d32;
}

.btn-warning {
  background: #f1c84b;
  border-color: #f1c84b;
  color: #211f18;
}

.form-control,
.form-select {
  border-color: #cbd4cf;
  border-radius: 6px;
}

.btn:focus,
.btn:active:focus,
.btn-link.nav-link:focus,
.form-control:focus,
.form-select:focus,
.form-check-input:focus {
  border-color: var(--opsys-lime-dark);
  box-shadow: 0 0 0 0.2rem rgba(154, 223, 37, 0.25);
}

.table {
  --bs-table-bg: var(--opsys-panel);
  --bs-table-hover-bg: #f0f5f1;
  border-color: var(--opsys-line);
}

.table thead th {
  background: #e8eee9;
  color: var(--opsys-charcoal);
  font-size: 0.78rem;
  letter-spacing: 0;
  text-transform: uppercase;
}

.badge {
  border-radius: 6px;
  font-weight: 800;
}

.text-bg-secondary {
  background-color: #5d6662 !important;
}

.text-bg-warning {
  background-color: #f1c84b !important;
  color: #211f18 !important;
}

.board-column {
  background: #eef3f0;
  min-height: 440px;
}

.board-column-title {
  background: var(--opsys-charcoal);
  border-radius: 8px 8px 0 0;
  color: #ffffff;
  font-weight: 800;
  padding: 0.85rem 1rem;
}

.board-column .card {
  box-shadow: none;
}

.footer {
  background: #ffffff;
  border-top: 1px solid var(--opsys-line);
  bottom: 0;
  height: 60px;
  line-height: 60px;
  position: absolute;
  width: 100%;
}

.form-floating > .form-control-plaintext::placeholder,
.form-floating > .form-control::placeholder {
  color: var(--bs-secondary-color);
  text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder,
.form-floating > .form-control:focus::placeholder {
  text-align: start;
}

@media (max-width: 767.98px) {
  html {
    font-size: 14px;
  }

  .opsys-brand {
    min-width: 0;
  }

  .opsys-brand img {
    height: 34px;
    max-width: 160px;
  }

  .opsys-brand span {
    display: none;
  }

  .opsys-page-hero {
    align-items: flex-start !important;
    flex-direction: column;
    gap: 1rem;
    padding: 1.25rem;
  }

  .opsys-admin-layout {
    gap: 1rem;
    grid-template-columns: 1fr;
  }

  .opsys-admin-sidebar {
    position: static;
  }

  .opsys-admin-menu {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .opsys-admin-link {
    border-left: 0;
    border-top: 4px solid transparent;
    text-align: center;
  }

  .opsys-admin-link.active {
    border-top-color: var(--opsys-lime);
  }
}