/* ============================================================
   Medical Recipe Platform
   Theme: Calming Clinical (White, Soft Teal, Navy)
============================================================ */

:root {
  --bg-main: #f8fafc;
  --bg-card: #ffffff;
  
  --primary: #0d9488; /* Premium Teal */
  --primary-hover: #0f766e;
  --primary-light: #ccfbf1;
  
  --text-main: #1e293b;
  --text-muted: #64748b;
  --border-light: #e2e8f0;

  --font-sans: 'Inter', system-ui, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  padding-top: 70px;
}

/* ── NAV BAR ───────────── */
.site-nav {
  position: fixed; top: 0; left: 0; width: 100%; height: 70px;
  background: white; border-bottom: 1px solid var(--border-light);
  z-index: 1000; box-shadow: 0 2px 10px rgba(0,0,0,0.02);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto; height: 100%;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 20px;
}
.nav-logo {
  display: flex; align-items: center; gap: 8px;
  text-decoration: none; color: var(--text-main); font-weight: 800; font-size: 1.4rem;
}
.nav-logo-icon { color: var(--primary); font-size: 1.6rem; }

/* ── HERO & FILTER ARRAY ── */
.container { max-width: 1200px; margin: 0 auto; padding: 40px 20px; }
.hero { text-align: center; margin-bottom: 40px; }
.hero h1 { font-size: 2.8rem; font-weight: 800; color: #0f172a; margin-bottom: 10px; letter-spacing: -1px; }
.hero p { font-size: 1.15rem; color: var(--text-muted); max-width: 600px; margin: 0 auto; }

.filter-array {
  background: var(--bg-card); padding: 30px; border-radius: 12px;
  border: 1px solid var(--border-light); box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05);
  margin-bottom: 40px; text-align: center;
}
.filter-array h3 { margin-bottom: 15px; font-size: 1.1rem; color: var(--text-main); }
.tag-toggles {
  display: flex; flex-wrap: wrap; gap: 10px; justify-content: center;
}
.tag-btn {
  background: white; border: 2px solid var(--border-light);
  color: var(--text-muted); padding: 10px 20px; border-radius: 30px;
  font-family: var(--font-sans); font-size: 1rem; font-weight: 600;
  cursor: pointer; transition: 0.2s; user-select: none;
}
.tag-btn:hover { border-color: var(--primary); color: var(--primary); }
.tag-btn.active {
  background: var(--primary); border-color: var(--primary); color: white;
}

/* ── RECIPE GRID ───────── */
.results-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.results-count { font-weight: 700; color: var(--text-main); font-size: 1.1rem; }

.recipe-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 25px;
}
.recipe-card {
  background: var(--bg-card); border: 1px solid var(--border-light);
  border-radius: 12px; overflow: hidden; text-decoration: none; color: inherit;
  transition: all 0.2s; display: flex; flex-direction: column;
}
.recipe-card:hover { transform: translateY(-4px); box-shadow: 0 10px 20px rgba(0,0,0,0.08); border-color: var(--primary-light); }
.recipe-img-placeholder {
  background: var(--primary-light); height: 160px;
  display: flex; align-items: center; justify-content: center;
  font-size: 3rem; border-bottom: 1px solid var(--border-light);
}
.recipe-content { padding: 20px; flex-grow: 1; display: flex; flex-direction: column; }
.recipe-title { font-size: 1.25rem; font-weight: 700; margin-bottom: 8px; color: #0f172a; }
.recipe-desc { color: var(--text-muted); font-size: 0.95rem; line-height: 1.5; margin-bottom: 15px; flex-grow: 1; }
.recipe-meta {
  display: flex; gap: 15px; font-size: 0.85rem; color: var(--text-muted); font-weight: 600; margin-bottom: 15px;
}
.recipe-tags-list { display: flex; flex-wrap: wrap; gap: 6px; }
.badge-tag {
  background: #f1f5f9; color: #475569; padding: 4px 8px; border-radius: 4px; font-size: 0.75rem; font-weight: 600; text-transform: uppercase;
}

/* ── INDIVIDUAL RECIPE PAGE ── */
.recipe-hero { background: white; padding: 60px 20px; border-bottom: 1px solid var(--border-light); text-align:center; }
.recipe-hero h1 { font-size: 2.5rem; margin-bottom: 15px; color: #0f172a; }
.recipe-layout {
  display: grid; grid-template-columns: 1fr 2fr; gap: 40px; margin-top: 40px;
}
@media (max-width: 768px) { .recipe-layout { grid-template-columns: 1fr; } }
.ingredients-card { background: white; border: 1px solid var(--border-light); padding: 30px; border-radius: 12px; }
.ingredients-list { list-style: none; }
.ingredients-list li { padding: 10px 0; border-bottom: 1px solid var(--border-light); color: var(--text-main); }
.ingredients-list li:last-child { border-bottom: none; }
.instructions-list { margin-left: 20px; }
.instructions-list li { margin-bottom: 15px; padding-left: 10px; font-size: 1.05rem; }

/* ── ADS & FOOTER ───────── */
.ad-slot {
  background: white; border: 2px dashed var(--border-light); color: var(--text-muted);
  display: flex; align-items: center; justify-content: center;
  margin: 30px auto; overflow: hidden; font-size: 0.9rem; text-transform: uppercase; letter-spacing: 1px;
}
.ad-leaderboard { width: 100%; max-width: 970px; height: 90px; }

.site-footer {
  text-align: center; padding: 40px 20px; background: white;
  border-top: 1px solid var(--border-light); margin-top: 60px; color: var(--text-muted); font-size: 0.9rem;
}