/* =====================================================================
   AgriFound Digital Twin — Design tokens
   Palette: orchard canopy + soil profile + instrument-panel data reads
   Type: Fraunces (display, characterful) / Inter (UI) / IBM Plex Mono (data)
   ===================================================================== */
:root {
    --soil-dark: #241D14;
    --soil-mid: #4A3B28;
    --canopy: #3F6B4A;
    --canopy-deep: #2C4E35;
    --orchard-cream: #F6F2E9;
    --card: #FFFFFF;
    --ink: #241D14;
    --ink-soft: #6B6153;
    --line: #E4DDCC;

    --risk-low: #4C8C5B;
    --risk-moderate: #D9A441;
    --risk-high: #C97A3A;
    --risk-critical: #C0503A;
    --sky: #5F86A0;

    --radius: 10px;
    --shadow: 0 1px 2px rgba(36,29,20,0.06), 0 4px 14px rgba(36,29,20,0.05);
}

@font-face { font-family: 'app-fallback'; src: local(Arial); }

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--orchard-cream);
    color: var(--ink);
    font-size: 15px;
    line-height: 1.5;
}

h1, h2, h3, .display {
    font-family: 'Fraunces', Georgia, 'Times New Roman', serif;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--soil-dark);
    margin: 0 0 0.4em 0;
}

.mono, .data-value, table td.num {
    font-family: 'IBM Plex Mono', 'SFMono-Regular', Menlo, Consolas, monospace;
}

a { color: var(--canopy-deep); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- layout shell ---------- */
.app-shell { display: flex; min-height: 100vh; }

.sidebar {
    width: 232px;
    flex-shrink: 0;
    background: var(--soil-dark);
    color: #EDE6D6;
    padding: 24px 16px;
    position: sticky;
    top: 0;
    height: 100vh;
}
.sidebar .brand {
    font-family: 'Fraunces', serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 4px;
}
.sidebar .brand-sub {
    font-size: 0.72rem;
    color: #B7AC93;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 28px;
    display: block;
}
.sidebar nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #D9D0BC;
    padding: 10px 12px;
    border-radius: 8px;
    margin-bottom: 2px;
    font-size: 0.92rem;
}
.sidebar nav a:hover { background: rgba(255,255,255,0.06); text-decoration: none; }
.sidebar nav a.active { background: var(--canopy); color: #fff; }
.sidebar .section-label {
    font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.09em;
    color: #8C8267; margin: 20px 0 6px 12px;
}

.main { flex: 1; padding: 28px 36px 60px; max-width: 1280px; }

.topbar {
    display: flex; justify-content: space-between; align-items: baseline;
    margin-bottom: 24px; flex-wrap: wrap; gap: 8px;
}
.topbar .eyebrow {
    font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.09em;
    color: var(--ink-soft);
}

/* ---------- cards / grid ---------- */
.grid { display: grid; gap: 18px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 1000px) { .grid-4, .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; } .sidebar { display:none; } }

.card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 18px 20px;
}
.card h3 { font-size: 1rem; margin-bottom: 12px; }

.stat-card .stat-label {
    font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.06em;
    color: var(--ink-soft); margin-bottom: 6px;
}
.stat-card .stat-value {
    font-family: 'Fraunces', serif; font-size: 2rem; font-weight: 600; color: var(--soil-dark);
}
.stat-card .stat-sub { font-size: 0.8rem; color: var(--ink-soft); margin-top: 4px; }

/* ---------- soil profile signature widget ---------- */
.soil-profile { display: flex; gap: 6px; align-items: stretch; height: 108px; }
.soil-profile .layer {
    flex: 1; border-radius: 6px; position: relative; color: #fff;
    display: flex; flex-direction: column; justify-content: flex-end; padding: 6px 8px;
    font-size: 0.72rem;
}
.soil-profile .layer .depth-label { opacity: 0.85; font-size: 0.66rem; }
.soil-profile .layer .val { font-family: 'IBM Plex Mono', monospace; font-weight: 600; font-size: 0.86rem; }

/* ---------- badges ---------- */
.badge {
    display: inline-block; padding: 3px 10px; border-radius: 100px;
    font-size: 0.72rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.03em;
    color: #fff;
}
.badge-low { background: var(--risk-low); }
.badge-moderate { background: var(--risk-moderate); color: #3A2A0A; }
.badge-high { background: var(--risk-high); }
.badge-critical { background: var(--risk-critical); }

.grade-A { color: var(--risk-low); font-weight: 700; }
.grade-B { color: var(--risk-moderate); font-weight: 700; }
.grade-C { color: var(--risk-critical); font-weight: 700; }

/* ---------- tables ---------- */
table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
th { text-align: left; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em;
     color: var(--ink-soft); border-bottom: 1px solid var(--line); padding: 8px 10px; }
td { padding: 9px 10px; border-bottom: 1px solid var(--line); }
tr:last-child td { border-bottom: none; }
table.compact td, table.compact th { padding: 6px 8px; }

/* ---------- misc ---------- */
.pill-row { display: flex; gap: 8px; flex-wrap: wrap; }
.orchard-card { display: block; }
.orchard-card:hover { text-decoration: none; box-shadow: 0 2px 4px rgba(36,29,20,0.1), 0 8px 20px rgba(36,29,20,0.09); transform: translateY(-1px); transition: all .15s ease; }
.section-title { display: flex; align-items: center; justify-content: space-between; margin: 32px 0 12px; }
.muted { color: var(--ink-soft); }
.chart-wrap { position: relative; height: 260px; }
.pathway-item { border-left: 3px solid var(--risk-high); padding: 8px 12px; margin-bottom: 8px; background: #FBF3E9; border-radius: 0 6px 6px 0; }
.pathway-item .effect { font-family: 'IBM Plex Mono', monospace; font-size: 0.78rem; color: var(--ink-soft); }
.rec-item { display: flex; gap: 10px; align-items: baseline; padding: 6px 0; }
.rec-item .tag { font-size: 0.68rem; background: var(--canopy); color: #fff; padding: 1px 7px; border-radius: 4px; }
.empty-state { padding: 40px; text-align: center; color: var(--ink-soft); }