:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --text: #1f2937;
  --muted: #6b7280;
  --border: #e5e7eb;
  --bg: #ffffff;
  --bg-soft: #f9fafb;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(0,0,0,.08);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 1080px; margin: 0 auto; padding: 0 16px; }

.navbar { border-bottom: 1px solid var(--border); background: var(--bg); position: sticky; top: 0; z-index: 10; }
.navbar-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { font-weight: 800; font-size: 1.25rem; color: var(--primary); }
.nav-links { display: flex; gap: 16px; align-items: center; }
.nav-bell { position: relative; text-decoration: none !important; }
.nav-bell-badge {
  position: absolute; top: -6px; right: -10px;
  background: #dc2626; color: #fff; font-size: .68rem; font-weight: 700;
  border-radius: 999px; min-width: 16px; height: 16px; line-height: 16px;
  text-align: center; padding: 0 4px;
}
.inline-form { display: inline; }

/* Mobile-first: nav collapse */
@media (max-width: 640px) {
  .navbar-inner { flex-wrap: wrap; height: auto; padding: 8px 0; gap: 4px; }
  .nav-links { flex-wrap: wrap; gap: 8px 14px; font-size: .9rem; width: 100%; }
  .hero h1, .chat-hero h1 { font-size: 1.5rem; }
  .chatbox { flex-direction: column; align-items: stretch; }
  .chat-send { width: 100%; }
  .steps { grid-template-columns: 1fr; }
  table { font-size: .85rem; }
  .provider-card { flex-direction: column; align-items: flex-start; }
}

.main { min-height: 60vh; padding-top: 24px; padding-bottom: 48px; }

.footer { border-top: 1px solid var(--border); color: var(--muted); font-size: .875rem; padding: 24px 0; }

.hero { text-align: center; padding: 56px 0 24px; }
.hero h1 { font-size: 2.25rem; line-height: 1.25; margin: 0 0 12px; }
.hero h1 span { color: var(--primary); }
.hero p { color: var(--muted); max-width: 640px; margin: 0 auto 24px; font-size: 1.05rem; }
.hero-actions { display: flex; gap: 12px; justify-content: center; }

/* Chatbox di beranda */
.chat-hero { max-width: 720px; margin: 0 auto; padding: 48px 0 8px; }
.chat-hero h1 { font-size: 1.9rem; margin-bottom: 8px; }
.hero-sub { margin-bottom: 20px !important; }
.chatbox {
  display: flex; gap: 8px; align-items: flex-end;
  background: #fff; border: 2px solid var(--border); border-radius: 14px;
  padding: 10px 12px; box-shadow: var(--shadow);
}
.chatbox textarea {
  flex: 1; border: none; outline: none; resize: none; font: inherit;
  padding: 8px 4px; min-height: 44px; max-height: 120px; background: transparent;
}
.chat-send { white-space: nowrap; padding: 10px 20px; }

/* Grid kategori kecil */
.cat-grid {
  display: flex; flex-wrap: wrap; gap: 8px;
}
.cat-chip {
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid var(--border); border-radius: 999px;
  padding: 6px 14px; font-size: .88rem; background: var(--bg-soft);
  color: var(--text); text-decoration: none !important;
  transition: border-color .15s, background .15s;
}
.cat-chip:hover { border-color: var(--primary); background: #eff6ff; }

.portfolio-card { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; width: 200px; background: var(--bg); }
.portfolio-card img { width: 100%; height: 130px; object-fit: cover; display: block; }

.section { padding: 32px 0; }
.section h2 { font-size: 1.5rem; margin-bottom: 12px; }

.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }
.step { border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; background: var(--bg-soft); }
.step strong { color: var(--primary); font-size: 1.2rem; margin-right: 8px; }

.btn {
  display: inline-block; padding: 10px 18px; border-radius: var(--radius);
  border: 1px solid transparent; cursor: pointer; font-size: .95rem; font-weight: 600;
  text-decoration: none !important;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-outline { border-color: var(--border); background: transparent; color: var(--text); }
.btn-link { background: none; border: none; color: var(--primary); padding: 0; font-weight: 600; cursor: pointer; }
.btn-sm { padding: 6px 12px; font-size: .85rem; }
.btn-block { display: block; width: 100%; text-align: center; }

.flash { padding: 12px 16px; border-radius: var(--radius); margin: 16px 0; }
.flash-success { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.flash-error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.flash-info { background: #eff6ff; color: #1e40af; border: 1px solid #bfdbfe; }

/* Loading state */
.btn.is-loading { opacity: .7; pointer-events: none; position: relative; }
.btn.is-loading::after {
  content: ''; display: inline-block; width: 12px; height: 12px;
  border: 2px solid rgba(255,255,255,.5); border-top-color: #fff;
  border-radius: 50%; margin-left: 8px; vertical-align: middle;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Empty state global */
.empty-state { text-align: center; padding: 48px 16px; color: var(--muted); }
.empty-icon { font-size: 2.5rem; margin-bottom: 8px; }

.error-page { text-align: center; padding: 80px 0; }
.error-page h1 { font-size: 3rem; color: var(--primary); margin: 0; }
.error-page p { color: var(--muted); margin: 8px 0 24px; }

/* Form dasar (dipakai mulai Fase 1) */
.form-card { max-width: 480px; margin: 0 auto; background: var(--bg-soft); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 6px; font-size: .9rem; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 6px; font: inherit; background: #fff;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: 2px solid var(--primary); outline-offset: 1px; }
.form-hint { font-size: .8rem; color: var(--muted); margin-top: 4px; }
.text-center { text-align: center; }
.mt-16 { margin-top: 16px; }