@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  --bg: #f8faff;
  --surface: #ffffff;
  --card: #ffffff;
  --card-hover: #f0f5ff;
  --border: #dde6f5;
  --accent: #2563eb;
  --accent-dark: #1d4ed8;
  --accent-light: #eff6ff;
  --accent2: #60a5fa;
  --text: #0f172a;
  --muted: #64748b;
  --tag-bg: #eff6ff;
  --success: #059669;
  --danger: #dc2626;
  --warning: #d97706;
}

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

body {
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* NAV */
nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(248,250,255,0.93);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.logo {
  font-size: 1.4rem; font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  letter-spacing: -0.5px; text-decoration: none;
}
.nav-links { display: flex; align-items: center; gap: 1.5rem; }
.nav-links a {
  color: var(--muted); text-decoration: none; font-size: 0.9rem;
  font-weight: 500; transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }
.nav-cta {
  background: var(--accent); color: #fff !important;
  padding: 0.45rem 1.1rem; border-radius: 8px; font-weight: 600 !important;
  transition: background 0.2s !important;
}
.nav-cta:hover { background: var(--accent-dark) !important; color: #fff !important; }

/* BUTTONS */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.75rem 1.5rem; border-radius: 10px; font-weight: 600;
  font-size: 0.95rem; cursor: pointer; border: none; text-decoration: none;
  transition: all 0.2s; font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
}
.btn-primary {
  background: var(--accent); color: #fff;
  box-shadow: 0 4px 14px rgba(37,99,235,0.3);
}
.btn-primary:hover { background: var(--accent-dark); box-shadow: 0 6px 20px rgba(37,99,235,0.4); transform: translateY(-1px); }
.btn-outline {
  background: transparent; color: var(--accent);
  border: 1.5px solid var(--accent);
}
.btn-outline:hover { background: var(--accent-light); }
.btn-ghost {
  background: transparent; color: var(--muted);
  border: 1.5px solid var(--border);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-lg { padding: 0.95rem 2rem; font-size: 1.05rem; border-radius: 12px; }
.btn-full { width: 100%; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #b91c1c; }

/* FORMS */
.form-group { margin-bottom: 1.25rem; }
.form-label { display: block; font-size: 0.87rem; font-weight: 600; color: var(--text); margin-bottom: 0.45rem; }
.form-input {
  width: 100%; padding: 0.75rem 1rem;
  background: var(--surface); border: 1.5px solid var(--border);
  border-radius: 10px; color: var(--text); font-size: 0.95rem;
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  outline: none; transition: border-color 0.2s, box-shadow 0.2s;
}
.form-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(37,99,235,0.1); }
.form-input::placeholder { color: var(--muted); }
.form-hint { font-size: 0.78rem; color: var(--muted); margin-top: 0.3rem; }

/* CARDS */
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 16px; padding: 1.5rem;
}

/* BADGES */
.badge {
  display: inline-flex; align-items: center; gap: 0.35rem;
  font-size: 0.75rem; font-weight: 600; padding: 0.28rem 0.75rem;
  border-radius: 999px;
}
.badge-blue { background: rgba(37,99,235,0.1); color: var(--accent); border: 1px solid rgba(37,99,235,0.2); }
.badge-green { background: rgba(5,150,105,0.1); color: var(--success); border: 1px solid rgba(5,150,105,0.2); }
.badge-red { background: rgba(220,38,38,0.1); color: var(--danger); border: 1px solid rgba(220,38,38,0.2); }
.badge-gray { background: #f1f5f9; color: var(--muted); border: 1px solid var(--border); }

/* FOOTER */
footer {
  border-top: 1px solid var(--border);
  text-align: center; padding: 2rem;
  color: var(--muted); font-size: 0.82rem; font-weight: 500;
}
footer .logo-foot {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  font-weight: 800;
}

/* DIVIDER */
.divider {
  display: flex; align-items: center; gap: 1rem; margin: 1.5rem 0;
  color: var(--muted); font-size: 0.83rem;
}
.divider::before, .divider::after {
  content: ''; flex: 1; height: 1px; background: var(--border);
}

/* ALERT */
.alert {
  padding: 0.85rem 1rem; border-radius: 10px; font-size: 0.87rem; font-weight: 500;
  display: flex; align-items: flex-start; gap: 0.6rem; margin-bottom: 1.25rem;
}
.alert-info { background: rgba(37,99,235,0.07); color: #1d4ed8; border: 1px solid rgba(37,99,235,0.2); }
.alert-success { background: rgba(5,150,105,0.07); color: #065f46; border: 1px solid rgba(5,150,105,0.2); }
.alert-error { background: rgba(220,38,38,0.07); color: #991b1b; border: 1px solid rgba(220,38,38,0.2); }

@media (max-width: 600px) {
  .nav-links .nav-hide { display: none; }
}