:root {
  --bg: #f0f7ff;          /* light blue page background */
  --card: #ffffff;        /* white cards/sections */
  --text: #0f172a;        /* dark text for contrast */
  --muted: #475569;       /* muted text */
  --accent: #2563eb;      /* blue accent */
  --accent-hover: #1d4ed8;
  --border: #dbeafe;      /* soft blue borders */
  --error: #ef4444;
  --success: #10b981;
  --info: #3b82f6;
  --warning: #f59e0b;
}

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

body {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

.container { max-width: 960px; margin: 0 auto; padding: 0 20px; }

header {
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(240, 247, 255, 0.95);
  backdrop-filter: blur(8px);
  z-index: 10;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  gap: 12px;
  flex-wrap: wrap;
}

.logo {
  font-weight: 700;
  font-size: 1.05rem;
  color: #0f172a;
}

.nav-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.nav-links a { color: #0f172a; font-size: 0.95rem; }

.auth-buttons {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 6px;
  font-weight: 600;
  text-decoration: none;
  text-align: center;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-small { padding: 6px 10px; font-size: 0.9rem; }

.btn-primary {
  background: var(--accent);
  color: #ffffff;
}
.btn-primary:hover { background: var(--accent-hover); text-decoration: none; }

.btn-outline {
  border-color: var(--border);
  color: #0f172a;
  background: #ffffff;
}
.btn-outline:hover { border-color: #bfdbfe; text-decoration: none; }

section { padding: 50px 0; border-top: 1px solid var(--border); }
section:first-of-type { border-top: none; }

h1 { font-size: 2rem; margin-bottom: 10px; color: #0f172a; }
h2 { font-size: 1.5rem; margin-bottom: 12px; color: #0f172a; }
h3 { font-size: 1.1rem; margin: 16px 0 8px; color: #0f172a; }

.section-intro {
  color: var(--muted);
  max-width: 650px;
  margin-bottom: 20px;
}

.hero { padding: 60px 0 40px; }
.hero p { color: var(--muted); max-width: 650px; margin-bottom: 18px; }

.cta-buttons { display: flex; gap: 10px; flex-wrap: wrap; }

.services-grid,
.steps,
.about-grid,
.contact-grid,
.form-card,
.info-card,
.table-card,
.uploads-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  margin-top: 10px;
  color: #0f172a;
}

.service-card h3,
.step h3 { font-size: 1.05rem; margin-bottom: 6px; color: #0f172a; }

.service-card p,
.step p,
.about-text p,
.contact-card p,
.info-card p,
.uploads-card p {
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 6px;
}

.contact-list { list-style: none; margin-top: 6px; }
.contact-list li { margin-bottom: 4px; color: var(--muted); }

.form-group { margin-bottom: 12px; }
.form-group label { display: block; margin-bottom: 4px; font-size: 0.95rem; color: #0f172a; }
.form-group input,
.form-group select {
  width: 100%;
  padding: 8px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: #ffffff;
  color: #0f172a;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}
th, td {
  text-align: left;
  padding: 8px;
  border-bottom: 1px solid var(--border);
  color: #0f172a;
}
th { color: var(--muted); }

footer {
  border-top: 1px solid var(--border);
  padding: 20px 0 30px;
  color: var(--muted);
  font-size: 0.9rem;
}

/* Toast notifications */
.toast-container {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 340px;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  background: #ffffff;
  color: #0f172a;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 0.92rem;
  box-shadow: 0 10px 25px rgba(2, 6, 23, 0.15);
  opacity: 0;
  transform: translateX(20px);
  transition: opacity 250ms ease, transform 250ms ease;
}

.toast.show {
  opacity: 1;
  transform: translateX(0);
}

.toast.success { border-left: 4px solid var(--success); }
.toast.error { border-left: 4px solid var(--error); }
.toast.info { border-left: 4px solid var(--info); }
.toast.warning { border-left: 4px solid var(--warning); }

@media (max-width: 640px) {
  .hero h1 { font-size: 1.6rem; }
  .nav { gap: 8px; }
  .nav-links { gap: 10px; }
  .toast-container {
    left: 12px;
    right: 12px;
    max-width: none;
  }
}