/* =========================================================================
   DeepNDVI+ — Brand stylesheet (shared by all 4 apps)
   Palette: Primary #5C4A1E (dark olive) | Accent #8B1A1A (deep red)
            Growth #4CAF50 (leaf green)  | Neutral #757575 (grey)
            Background #FFFFFF (white)
   ========================================================================= */
:root {
  --c-primary:    #5C4A1E;
  --c-accent:     #8B1A1A;
  --c-growth:     #4CAF50;
  --c-neutral:    #757575;
  --c-bg:         #FFFFFF;
  --c-bg-soft:    #FAFAF7;
  --c-line:       #E8E8E3;
  --c-text:       #2A2A2A;
  --c-text-soft:  #5C5C5C;

  --radius: 12px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.04), 0 1px 3px rgba(0,0,0,.06);
  --shadow-md: 0 2px 6px rgba(0,0,0,.06), 0 6px 18px rgba(0,0,0,.07);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--c-bg); color: var(--c-text); font-family: var(--font); line-height: 1.5; -webkit-font-smoothing: antialiased; }
a { color: var(--c-primary); }
h1,h2,h3,h4 { color: var(--c-primary); font-weight: 700; margin: 0 0 .5rem; letter-spacing: -.01em; }
h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.15rem; }

/* ---------- Layout ---------- */
.dn-container { max-width: 1180px; margin: 0 auto; padding: 1rem 1.25rem; }
.dn-grid { display: grid; gap: 1rem; }
.dn-grid.cols-2 { grid-template-columns: repeat(auto-fit,minmax(280px,1fr)); }
.dn-grid.cols-3 { grid-template-columns: repeat(auto-fit,minmax(220px,1fr)); }

/* ---------- Header (shared across apps) ---------- */
.dn-header {
  background: #fff; border-bottom: 1px solid var(--c-line);
  position: sticky; top: 0; z-index: 50;
}
.dn-header__inner {
  max-width: 1180px; margin: 0 auto; padding: .65rem 1.25rem;
  display: flex; align-items: center; gap: 1rem;
}
.dn-logo { display: flex; align-items: center; gap: .55rem; text-decoration: none; color: var(--c-primary); font-weight: 800; font-size: 1.1rem; }
.dn-logo svg { width: 30px; height: 30px; }
.dn-nav { display: flex; gap: .35rem; margin-left: auto; align-items: center; flex-wrap: wrap; }
.dn-nav a { padding: .45rem .8rem; border-radius: var(--radius); text-decoration: none; color: var(--c-text-soft); font-weight: 500; }
.dn-nav a.is-active, .dn-nav a:hover { background: var(--c-bg-soft); color: var(--c-primary); }

/* Language toggle (BM | EN) — global for all 4 apps */
.dn-lang { display: inline-flex; border: 1px solid var(--c-line); border-radius: 999px; padding: 2px; }
.dn-lang button { background: transparent; border: 0; padding: .25rem .65rem; border-radius: 999px; cursor: pointer; font-weight: 600; color: var(--c-text-soft); }
.dn-lang button.is-active { background: var(--c-growth); color: #fff; }

/* ---------- Cards & buttons ---------- */
.dn-card { background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius); padding: 1rem; box-shadow: var(--shadow-sm); }
.dn-card.tight { padding: .75rem; }
.dn-btn { display: inline-flex; align-items: center; gap: .45rem; padding: .6rem 1rem; border-radius: var(--radius); border: 0; font-weight: 600; cursor: pointer; text-decoration: none; transition: transform .06s ease, box-shadow .15s; }
.dn-btn:active { transform: translateY(1px); }
.dn-btn--primary { background: var(--c-primary); color: #fff; }
.dn-btn--primary:hover { background: #4a3a17; }
.dn-btn--accent  { background: var(--c-accent);  color: #fff; }
.dn-btn--growth  { background: var(--c-growth);  color: #fff; }
.dn-btn--ghost   { background: var(--c-bg-soft); color: var(--c-primary); }
.dn-btn--lg { padding: .85rem 1.4rem; font-size: 1.05rem; }
.dn-btn[disabled] { opacity: .5; cursor: not-allowed; }

/* ---------- Forms ---------- */
.dn-field { display: flex; flex-direction: column; gap: .35rem; margin-bottom: .9rem; }
.dn-field label { font-weight: 600; color: var(--c-primary); }
.dn-field input, .dn-field select, .dn-field textarea {
  padding: .6rem .8rem; border: 1px solid var(--c-line); border-radius: var(--radius);
  font: inherit; background: #fff;
}
.dn-field input:focus, .dn-field select:focus, .dn-field textarea:focus { outline: 2px solid var(--c-growth); outline-offset: 1px; border-color: var(--c-growth); }
.dn-check { display: inline-flex; align-items: center; gap: .35rem; padding: .35rem .6rem; border: 1px solid var(--c-line); border-radius: 999px; margin: 0 .25rem .25rem 0; cursor: pointer; user-select: none; }
.dn-check.is-on { background: var(--c-growth); color: #fff; border-color: var(--c-growth); }

/* ---------- Toast ---------- */
#dn-toast { position: fixed; bottom: 1rem; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; gap: .5rem; z-index: 9999; pointer-events: none; }
.dn-toast { padding: .7rem 1.1rem; border-radius: var(--radius); color: #fff; box-shadow: var(--shadow-md); animation: dn-toast-in .2s ease; font-weight: 600; }
.dn-toast.ok { background: var(--c-growth); }
.dn-toast.err { background: var(--c-accent); }
.dn-toast.info { background: var(--c-primary); }
@keyframes dn-toast-in { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* ---------- ECSI gauge ---------- */
.dn-gauge { width: 220px; height: 130px; position: relative; margin: 0 auto; }
.dn-gauge__value { position: absolute; bottom: 0; left: 0; right: 0; text-align: center; font-size: 2.2rem; font-weight: 800; color: var(--c-primary); }
.dn-gauge__label { text-align: center; font-weight: 700; }

/* ---------- Tables ---------- */
.dn-table { width: 100%; border-collapse: collapse; }
.dn-table th, .dn-table td { padding: .6rem .8rem; text-align: left; border-bottom: 1px solid var(--c-line); }
.dn-table th { color: var(--c-primary); font-size: .85rem; text-transform: uppercase; letter-spacing: .05em; }
.dn-table tr.is-me { background: rgba(76,175,80,0.08); }

/* ---------- Badges ---------- */
.dn-badge { display: inline-flex; align-items: center; gap: .3rem; padding: .2rem .55rem; border-radius: 999px; font-size: .8rem; font-weight: 700; background: var(--c-bg-soft); color: var(--c-primary); }
.dn-badge--accent { background: rgba(139,26,26,.08); color: var(--c-accent); }
.dn-badge--growth { background: rgba(76,175,80,.12); color: #2e7d32; }
.dn-badge--neutral { background: rgba(117,117,117,.12); color: var(--c-neutral); }

/* ---------- AgriDash horizontal scroller ---------- */
.dn-scroller { display: grid; grid-auto-flow: column; grid-auto-columns: 100%; overflow-x: auto; scroll-snap-type: x mandatory; height: 100%; }
.dn-panel { padding: 1.25rem 2rem; scroll-snap-align: start; min-height: 100vh; }
.dn-dots { display: flex; gap: .5rem; justify-content: center; padding: .5rem 0; }
.dn-dots span { width: 10px; height: 10px; border-radius: 50%; background: var(--c-line); }
.dn-dots span.is-active { background: var(--c-primary); }

/* ---------- Mobile (Farmer App) ---------- */
@media (max-width: 640px) {
  .dn-container { padding: .75rem; }
  .dn-btn--lg { width: 100%; justify-content: center; }
}

/* ---------- Step wizard ---------- */
.dn-steps { display: flex; gap: .5rem; margin-bottom: 1rem; }
.dn-steps__item { flex: 1; padding: .55rem; border-radius: var(--radius); background: var(--c-bg-soft); color: var(--c-text-soft); text-align: center; font-weight: 600; font-size: .9rem; }
.dn-steps__item.is-active { background: var(--c-primary); color: #fff; }
.dn-steps__item.is-done   { background: var(--c-growth); color: #fff; }

/* ---------- Pak Ali chat ---------- */
.dn-chat { display: flex; flex-direction: column; gap: .5rem; max-height: 380px; overflow-y: auto; padding: .5rem; background: var(--c-bg-soft); border-radius: var(--radius); }
.dn-msg { max-width: 80%; padding: .55rem .8rem; border-radius: 14px; }
.dn-msg.user { align-self: flex-end; background: var(--c-primary); color: #fff; }
.dn-msg.ali  { align-self: flex-start; background: #fff; border: 1px solid var(--c-line); white-space: pre-wrap; }

/* ---------- Trivia card ---------- */
.dn-trivia { background: linear-gradient(135deg,#fafaf7,#fff); border: 1px solid var(--c-line); border-radius: var(--radius); padding: 1rem; font-style: italic; color: var(--c-primary); }