:root {
  --clr-primary: #2d6a4f;
  --clr-secondary: #40916c;
  --clr-accent: #d4a017;
  --clr-bg-light: #f0f7f4;
  --clr-dark: #1b4332;
  --clr-white: #ffffff;
  --clr-muted: #6c757d;
  --radius: 0.5rem;
  --shadow: 0 2px 12px rgba(27,67,50,0.10);
}

/* ── Base ── */
body {
  background-color: var(--clr-bg-light);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: #212529;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Navbar ── */
.navbar-eco {
  background-color: var(--clr-primary) !important;
  box-shadow: 0 2px 8px rgba(27,67,50,0.18);
}
.navbar-eco .navbar-brand,
.navbar-eco .nav-link {
  color: var(--clr-white) !important;
}
.navbar-eco .nav-link:hover {
  color: rgba(255,255,255,0.8) !important;
}
.navbar-eco .navbar-brand:hover {
  color: rgba(255,255,255,0.85) !important;
}
.navbar-eco .navbar-toggler {
  border-color: rgba(255,255,255,0.4);
}
.navbar-eco .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255%2c255%2c255%2c0.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* ── Buttons ── */
.btn-eco {
  background-color: var(--clr-primary);
  border-color: var(--clr-primary);
  color: var(--clr-white);
  border-radius: var(--radius);
  font-weight: 500;
  transition: background-color 0.2s, border-color 0.2s;
}
.btn-eco:hover, .btn-eco:focus {
  background-color: var(--clr-dark);
  border-color: var(--clr-dark);
  color: var(--clr-white);
}
.btn-eco:active {
  background-color: var(--clr-dark);
  border-color: var(--clr-dark);
  color: var(--clr-white);
}

.btn-eco-outline {
  background-color: transparent;
  border: 2px solid var(--clr-white);
  color: var(--clr-white);
  border-radius: var(--radius);
  font-weight: 500;
  transition: background-color 0.2s, color 0.2s;
}
.btn-eco-outline:hover, .btn-eco-outline:focus {
  background-color: var(--clr-white);
  color: var(--clr-primary);
}

.btn-eco-accent {
  background-color: var(--clr-accent);
  border-color: var(--clr-accent);
  color: #1a1a1a;
  border-radius: var(--radius);
  font-weight: 600;
  transition: background-color 0.2s;
}
.btn-eco-accent:hover {
  background-color: #b8860f;
  border-color: #b8860f;
  color: #1a1a1a;
}

/* ── Cards ── */
.card-eco {
  background-color: var(--clr-white);
  border: none;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.card-eco .card-header-eco {
  background-color: var(--clr-primary);
  color: var(--clr-white);
  border-radius: var(--radius) var(--radius) 0 0;
  padding: 1rem 1.5rem;
}
.card-eco .card-header-eco h5,
.card-eco .card-header-eco h4 {
  margin: 0;
  color: var(--clr-white);
}

/* ── Hero Section ── */
.page-hero {
  background: linear-gradient(135deg, var(--clr-dark) 0%, var(--clr-primary) 55%, var(--clr-secondary) 100%);
  color: var(--clr-white);
  padding: 5rem 1.5rem;
  text-align: center;
}
.page-hero h1 {
  font-size: 2.8rem;
  font-weight: 700;
  margin-bottom: 1rem;
  text-shadow: 0 2px 6px rgba(0,0,0,0.15);
}
.page-hero p.lead {
  font-size: 1.2rem;
  opacity: 0.92;
  max-width: 600px;
  margin: 0 auto 2rem;
}

/* ── Feature Cards ── */
.feature-card {
  background: var(--clr-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: transform 0.2s, box-shadow 0.2s;
  height: 100%;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 20px rgba(27,67,50,0.16);
}
.feature-card .feature-icon {
  font-size: 2.5rem;
  color: var(--clr-primary);
  margin-bottom: 1rem;
}
.feature-card h5 {
  color: var(--clr-dark);
  font-weight: 600;
}

/* ── Footer ── */
footer.footer-eco {
  background-color: var(--clr-dark);
  color: rgba(255,255,255,0.85);
  padding: 2rem 0 1.5rem;
  margin-top: auto;
}
footer.footer-eco a {
  color: rgba(255,255,255,0.7);
}
footer.footer-eco a:hover {
  color: var(--clr-white);
}

/* ── Auth forms ── */
.auth-wrapper {
  min-height: calc(100vh - 140px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}
.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--clr-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.auth-card .auth-header {
  background: linear-gradient(135deg, var(--clr-dark), var(--clr-primary));
  color: var(--clr-white);
  padding: 1.75rem 2rem 1.5rem;
  text-align: center;
}
.auth-card .auth-header h4 {
  margin: 0.5rem 0 0;
  font-weight: 700;
}
.auth-card .auth-body {
  padding: 1.75rem 2rem 2rem;
}

/* ── Dashboard page header ── */
.page-header-bar {
  background: linear-gradient(90deg, var(--clr-primary), var(--clr-secondary));
  color: var(--clr-white);
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
}
.page-header-bar h2 {
  margin: 0;
  font-weight: 700;
  color: var(--clr-white);
}
.page-header-bar p {
  margin: 0.25rem 0 0;
  opacity: 0.88;
}

/* ── User dropdown circle avatar ── */
.user-avatar-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background-color: rgba(255,255,255,0.2);
  border: 2px solid rgba(255,255,255,0.5);
  color: var(--clr-white);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background-color 0.2s;
}
.user-avatar-btn:hover {
  background-color: rgba(255,255,255,0.3);
}

/* ── Responsive chart containers ── */
.chart-container {
  position: relative;
  width: 100%;
  max-width: 500px;
  margin: 0 auto;
}
.bar-chart-container {
  position: relative;
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
}
.chart-wrapper {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
  margin: 2rem 0;
}

/* ── Product form cards ── */
.product-forms-container {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 1.5rem;
}
.form-card {
  width: 100%;
  max-width: 480px;
  background: var(--clr-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
}

/* ── Misc ── */
.text-eco {
  color: var(--clr-primary) !important;
}
.bg-eco {
  background-color: var(--clr-primary) !important;
}
.badge-eco {
  background-color: var(--clr-primary);
  color: var(--clr-white);
  padding: 0.3em 0.7em;
  border-radius: 1rem;
  font-size: 0.8rem;
  font-weight: 600;
}
.section-title {
  color: var(--clr-dark);
  font-weight: 700;
  border-left: 4px solid var(--clr-primary);
  padding-left: 0.75rem;
  margin-bottom: 1.25rem;
}
.table-container {
  background: var(--clr-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.25rem;
}