/* ===== Planted in Nutrition — Polish Pack v1 =====
   Drop-in replacement for style.css. Safe: no ID/class renames required.
   Tweak tokens below to match brand.
*/

/* ---------- Tokens ---------- */
:root{
  --bg: #0b0f14;
  --surface: #111826;
  --surface-2: #0f1724;
  --text: #e6edf3;
  --muted: #a7b0bd;
  --brand: #22d3ee;      /* accent (teal/cyan) */
  --brand-2: #22c55e;    /* success (green)    */
  --danger: #ef4444;
  --link: #7dd3fc;
  --border: #223047;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0,0,0,.35);

  --font-sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  --step--2: clamp(0.78rem, 0.76rem + 0.2vw, 0.86rem);
  --step--1: clamp(0.90rem, 0.86rem + 0.3vw, 0.98rem);
  --step-0:  clamp(1.00rem, 0.95rem + 0.35vw, 1.10rem);
  --step-1:  clamp(1.15rem, 1.05rem + 0.6vw,  1.32rem);
  --step-2:  clamp(1.35rem, 1.22rem + 0.9vw,  1.58rem);
  --step-3:  clamp(1.62rem, 1.38rem + 1.2vw,  1.90rem);
  --step-4:  clamp(1.94rem, 1.55rem + 1.6vw,  2.28rem);
}

/* ---------- Base ---------- */
* { box-sizing: border-box; }
html, body { height: 100%; }
html { scroll-behavior: smooth; }
body{
  margin:0;
  background: radial-gradient(1200px 800px at 70% 0%, rgba(34,211,238,.06), transparent 40%),
              linear-gradient(180deg, var(--bg), #0a0e13);
  color: var(--text);
  font: 400 var(--step-0)/1.6 var(--font-sans);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
img, svg, video { max-width: 100%; height: auto; display: block; }

/* Links */
a{ color: var(--link); text-decoration: none; }
a:hover{ text-decoration: underline; }

/* Headings */
h1,h2,h3,h4,h5{ font-weight: 700; margin: 0 0 .5rem; letter-spacing: .2px; }
h1{ font-size: var(--step-4); line-height: 1.2; }
h2{ font-size: var(--step-3); }
h3{ font-size: var(--step-2); }
h4{ font-size: var(--step-1); }

/* Focus states (keyboard) */
:focus-visible{
  outline: 2px solid var(--brand);
  outline-offset: 2px;
  border-radius: 8px;
}

/* ---------- Layout Shell ---------- */
/* Keep existing structure; enhance only */
.app{
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 0;
  min-height: 100vh;
}

/* Sidebar (supports #sidebar or .sidebar) */
#sidebar, .sidebar{
  background: linear-gradient(180deg, var(--surface), var(--surface-2));
  border-right: 1px solid var(--border);
  padding: 16px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: auto;
  box-shadow: inset -1px 0 0 rgba(255,255,255,.02);
}
.sidebar-header{
  display:flex; align-items:center; justify-content:space-between;
  margin-bottom:12px; gap:8px;
}
.sidebar-title{ font-size: var(--step-1); font-weight:700; }

/* Nav items (modules/lessons) */
.nav-group{ margin: 10px 0 16px; }
.nav-label{
  color: var(--muted);
  font-size: var(--step--1);
  text-transform: uppercase;
  letter-spacing: .8px;
  margin-bottom: 8px;
}
.nav-list{ list-style: none; padding:0; margin:0; }
.nav-item{
  display:flex; align-items:center; gap:10px;
  padding:10px 12px;
  margin:6px 0;
  border:1px solid transparent;
  border-radius: 10px;
  background: rgba(255,255,255,.02);
  transition: background .2s ease, border-color .2s ease, transform .05s ease;
  cursor: pointer;
}
.nav-item:hover{ background: rgba(255,255,255,.04); }
.nav-item:active{ transform: translateY(1px); }
.nav-item.active{
  border-color: rgba(125,211,252,.45);
  background: linear-gradient(180deg, rgba(125,211,252,.08), rgba(255,255,255,.02));
}
.nav-item.completed::before{
  content:"✓";
  display:inline-grid; place-items:center;
  width:18px; height:18px; border-radius:50%;
  background: rgba(34,197,94,.15);
  color:#a7f3d0; font-weight:700; font-size:.85rem;
}

/* Main content area */
.main{
  padding: 28px clamp(16px, 4vw, 48px);
}
.card{
  background: radial-gradient(600px 300px at 10% -10%, rgba(34,211,238,.06), transparent 30%),
              linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.01));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: clamp(16px, 3vw, 28px);
}
.card + .card{ margin-top: 16px; }

/* Video / iframe wrapper */
.player{
  border:1px solid var(--border);
  border-radius: 12px;
  overflow:hidden;
  background: #000;
  aspect-ratio: 16 / 9;
}
.player iframe{
  width:100%; height:100%; border:0; display:block;
}

/* Pills / chips */
.chips{ display:flex; gap:8px; flex-wrap: wrap; }
.chip{
  padding:6px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.06);
  border:1px solid var(--border);
  font-size: var(--step--1);
}

/* Buttons */
.btn{
  display:inline-flex; align-items:center; gap:10px;
  padding:10px 14px;
  border-radius: 12px;
  border:1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  color: var(--text); text-decoration:none; cursor:pointer;
  transition: border-color .2s ease, background .2s ease, transform .05s ease;
  user-select:none;
}
.btn:hover{ border-color: rgba(125,211,252,.45); background: rgba(255,255,255,.05); }
.btn:active{ transform: translateY(1px); }
.btn.brand{
  border-color: rgba(34,211,238,.35);
  background: linear-gradient(180deg, rgba(34,211,238,.16), rgba(34,211,238,.06));
}
.btn.danger{
  border-color: rgba(239,68,68,.35);
  background: linear-gradient(180deg, rgba(239,68,68,.16), rgba(239,68,68,.06));
}

/* Meta text */
.muted{ color: var(--muted); }

/* Tables (for any resources) */
.table{
  width:100%; border-collapse: collapse; font-size: var(--step--1);
  background: rgba(255,255,255,.02); border-radius:12px; overflow:hidden;
}
.table th, .table td{
  padding:10px 12px; border-bottom:1px solid var(--border);
}
.table th{ text-align:left; color: var(--muted); text-transform: uppercase; letter-spacing:.6px; }

/* ---------- Mobile / responsive ---------- */
.mobile-menu-btn{
  position: fixed; top: 14px; left: 14px; z-index: 50;
  display: none; align-items:center; justify-content:center;
  width:40px; height:40px; border-radius:10px;
  border:1px solid var(--border);
  background: rgba(255,255,255,.06);
  backdrop-filter: blur(6px);
}

@media (max-width: 1000px){
  .app{ grid-template-columns: 1fr; }
  #sidebar, .sidebar{
    position: fixed; inset: 0 auto 0 0; width: 84%;
    max-width: 320px; height: 100dvh; z-index: 40;
    transform: translateX(-100%);
    transition: transform .25s ease;
    box-shadow: 12px 0 30px rgba(0,0,0,.35);
  }
  #sidebar.is-open, .sidebar.is-open{ transform: translateX(0); }
  .main{ padding-top: 70px; } /* breathing room for button */
  .mobile-menu-btn{ display: inline-flex; }
}

/* ---------- Utilities ---------- */
.hr{ height:1px; background: var(--border); border:0; margin:16px 0; }
.grid{ display:grid; gap:16px; }
.grid.two{ grid-template-columns: 1fr 1fr; }
@media (max-width: 800px){ .grid.two{ grid-template-columns: 1fr; } }

/* Footer note */
.footer{
  margin-top: 24px; color: var(--muted); font-size: var(--step--1);
  border-top: 1px solid var(--border); padding-top: 16px;
}