/* ===== AgroLink Design System ===== */
:root {
  --primary-green: #2e7d32;
  --primary-green-dark: #1b5e20;
  --accent-gold: #f9a825;
  --text-dark: #263238;
  --text-muted: #607d8b;
  --bg-light: #f4f7f5;
  --white: #ffffff;
  --border-color: #e0e6e2;
  --danger: #c62828;
  --success: #2e7d32;
  --radius: 8px;
  --shadow: 0 2px 10px rgba(0,0,0,0.06);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Segoe UI', Roboto, Arial, sans-serif;
  background: var(--bg-light);
  color: var(--text-dark);
  line-height: 1.6;
}

a { color: var(--primary-green); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ===== Top Navigation ===== */
.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--border-color);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  box-shadow: var(--shadow);
}
.site-header .logo img { height: 42px; }
.site-header nav { display: flex; gap: 20px; align-items: center; flex-wrap: wrap; }
.site-header nav a { color: var(--text-dark); font-weight: 500; font-size: 15px; }
.site-header nav a:hover { color: var(--primary-green); text-decoration: none; }
.site-header .user-badge { font-size: 14px; color: var(--text-muted); }

/* ===== Page Layout ===== */
.page-wrapper { max-width: 1100px; margin: 0 auto; padding: 24px 16px; }
.card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
  margin-bottom: 20px;
}
.card h2 { margin-bottom: 16px; color: var(--primary-green-dark); }
.card h3 { margin: 20px 0 12px; color: var(--text-dark); font-size: 17px; }

/* ===== Auth Pages (Login, Register, Reset) ===== */
.auth-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-dark) 100%);
}
.auth-box {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: 0 8px 30px rgba(0,0,0,0.2);
  padding: 36px;
  width: 100%;
  max-width: 400px;
}
.auth-box .logo-wrap { text-align: center; margin-bottom: 20px; }
.auth-box .logo-wrap img { height: 100px; }
.auth-box h2 { text-align: center; margin-bottom: 24px; color: var(--primary-green-dark); }

/* ===== Forms ===== */
label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; color: var(--text-dark); }
input[type=text], input[type=email], input[type=password], select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  font-size: 15px;
  margin-bottom: 18px;
  background: var(--white);
}
input:focus, select:focus { outline: none; border-color: var(--primary-green); }

button, .btn {
  display: inline-block;
  background: var(--primary-green);
  color: var(--white);
  border: none;
  padding: 12px 22px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}
button:hover, .btn:hover { background: var(--primary-green-dark); text-decoration: none; }
.btn-danger { background: var(--danger); }
.btn-danger:hover { background: #8e1c1c; }

/* ===== Stat Cards (Dashboards) ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 16px;
  margin: 20px 0;
}
.stat-card {
  background: var(--bg-light);
  border-left: 4px solid var(--primary-green);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
}
.stat-card .stat-number { font-size: 28px; font-weight: 700; color: var(--primary-green-dark); }
.stat-card .stat-label { font-size: 13px; color: var(--text-muted); margin-top: 4px; }

/* ===== Tables ===== */
table { width: 100%; border-collapse: collapse; margin-top: 10px; }
table th, table td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border-color); font-size: 14px; }
table th { background: var(--bg-light); color: var(--text-muted); font-weight: 600; text-transform: uppercase; font-size: 12px; }

/* ===== Alerts ===== */
.alert { padding: 12px 16px; border-radius: var(--radius); margin-bottom: 18px; font-size: 14px; }
.alert-success { background: #e8f5e9; color: var(--success); border: 1px solid #c8e6c9; }
.alert-error { background: #ffebee; color: var(--danger); border: 1px solid #ffcdd2; }

/* ===== Footer ===== */
.site-footer { text-align: center; padding: 20px; color: var(--text-muted); font-size: 13px; }

/* ===== Mobile Responsiveness ===== */
@media (max-width: 768px) {
  .site-header { flex-direction: column; align-items: flex-start; gap: 12px; }
  .site-header nav { width: 100%; justify-content: space-between; }
  .page-wrapper { padding: 16px 10px; }
  .card { padding: 18px; }
  .auth-box { padding: 24px; }
  table { display: block; overflow-x: auto; white-space: nowrap; }
}