:root {
  --primary-blue: #0d3b66;
  --accent-blue: #1d4ed8;
  --primary-yellow: #f4d35e;
  --accent-yellow: #eab308;
  --bg-light: #f8fafc;
  --card-bg: #ffffff;
  --text-dark: #0f172a;
  --text-muted: #64748b;
  --border-color: #e2e8f0;
}

body.dark-mode {
  --bg-light: #0f172a;
  --card-bg: #1e293b;
  --text-dark: #f8fafc;
  --text-muted: #94a3b8;
  --border-color: #334155;
}

* { box-sizing: border-box; margin: 0; padding: 0; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; }
body { background-color: var(--bg-light); color: var(--text-dark); transition: background 0.3s, color 0.3s; line-height: 1.6; }
a { text-decoration: none; color: inherit; }

/* Dynamic Image Handling */
img { max-width: 100%; height: auto; display: block; }

.navbar { background-color: var(--primary-blue); color: #fff; padding: 1rem 2rem; display: flex; justify-content: space-between; align-items: center; }
.navbar .brand { display: flex; align-items: center; gap: 10px; font-weight: bold; font-size: 1.2rem; }
.navbar .brand img { height: 40px; }
.navbar .nav-links { display: flex; gap: 20px; align-items: center; }
.navbar .nav-links a { color: #fff; position: relative; }
.badge { background-color: var(--accent-yellow); color: #000; padding: 2px 6px; border-radius: 50%; font-size: 0.75rem; position: absolute; top: -8px; right: -10px; font-weight: bold; }

.container { width: 90%; max-width: 1200px; margin: 2rem auto; }
.card { background: var(--card-bg); border: 1px solid var(--border-color); border-radius: 8px; padding: 1.5rem; margin-bottom: 1.5rem; box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05); }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.5rem; }
.btn { display: inline-block; background-color: var(--primary-yellow); color: #000; font-weight: 600; padding: 0.6rem 1.2rem; border-radius: 6px; border: none; cursor: pointer; transition: 0.2s; }
.btn:hover { background-color: var(--accent-yellow); }
.btn-blue { background-color: var(--accent-blue); color: #fff; }
.btn-blue:hover { background-color: var(--primary-blue); }

.form-group { margin-bottom: 1rem; }
.form-group label { display: block; margin-bottom: 0.4rem; font-weight: 600; }
.form-control { width: 100%; padding: 0.6rem 0.8rem; border: 1px solid var(--border-color); border-radius: 6px; background: var(--card-bg); color: var(--text-dark); }

table { width: 100%; border-collapse: collapse; margin-top: 1rem; }
table th, table td { padding: 0.8rem; border: 1px solid var(--border-color); text-align: left; }
table th { background-color: var(--primary-blue); color: #fff; }

.status-badge { padding: 4px 8px; border-radius: 4px; font-size: 0.85rem; font-weight: bold; display: inline-block; }
.status-paid { background: #dcfce7; color: #166534; }
.status-pending { background: #fef9c3; color: #854d0e; }
.status-overdue { background: #fee2e2; color: #991b1b; }

.footer { background-color: var(--primary-blue); color: #fff; text-align: center; padding: 1.5rem; margin-top: auto; }

/* Carousel / Horizontal Scroll */
.carousel { display: flex; gap: 1.5rem; overflow-x: auto; padding-bottom: 1rem; scroll-snap-type: x mandatory; }
.carousel-card { flex: 0 0 280px; scroll-snap-align: start; }

#map { height: 350px; width: 100%; border-radius: 8px; margin-top: 1rem; z-index: 1; }