:root {
    /* Palette sampled from logo: light brown, dark brown, forest green, pine green */
    --bg: #ffffff;            /* page background: white */
    --bg-alt: #f7f7f7;        /* very light gray for subtle areas */
    --surface: #ffffff;       /* cards & surfaces */
    --elev: #f3efe9;          /* elevated subtle (warm) */
    --text: #1f2937;          /* primary text dark */
    --muted: #6b7280;         /* secondary text */
    --muted-2: #9ca3af;       /* tertiary text */
    --brand: #b68652;         /* light brown primary (from logo) */
    --brand-2: #6b4b2a;       /* dark brown (from logo) */
    --link: #2e6b3b;          /* forest green for links */
    --green-2: #0f4f44;       /* pine green deep */
    --ok: #2e6b3b;            /* success uses forest green */
    --warn: #d97706;          /* warning */
    --err: #dc2626;           /* error */
    --card-radius: 12px;
    --gap: 12px;
    --shadow: 0 4px 16px rgba(17, 24, 39, .08);
    --line: #eae6df;          /* warm divider */
    --hover: #f5f1ea;         /* hover bg (warm cream) */
    --input-bg: #fff;
    --input-border: #e5e7eb;
    --thumb-bg: #f2efe9;      /* light warm gray for thumbs */
}
* { box-sizing: border-box; }
html, body {
    margin: 0;
    font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    color: var(--text);
    background: var(--bg);
    background-image: linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,0) 70%, var(--bg-alt) 100%);

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

/* Font icon sizing */
.nav-button i{ font-size:22px; color: var(--text); line-height:1; }
.icon-btn i, .menu-btn i{ font-size:20px; color: var(--text); line-height:1; }

/* Header */
.appbar {
    position: sticky; top: 0; z-index: 1000;
    display: grid; grid-template-columns: 56px 1fr 240px; align-items: center;
    gap: var(--gap);
    padding: 10px 16px; background: var(--surface); border-bottom: 1px solid var(--line);
    box-shadow: 0 1px 0 rgba(0,0,0,.03);
}
.menu-btn, .icon-btn {
    display: grid; place-items: center; width: 40px; height: 40px;
    border-radius: 999px; background: transparent; border: none; color: var(--text);
    cursor: pointer;
    font-size: 0; /* hide any text, show only font icon */
}
.menu-btn:hover, .icon-btn:hover { background: var(--hover); }
.logo { display: flex; gap: 8px; align-items: center; font-weight: 700; }
.logo-img { width: 32px; height: 32px; border-radius: 8px; object-fit: contain; background: transparent; }

.search {
    display: grid; grid-template-columns: 1fr 56px; gap: 0; align-items: center;
    max-width: 760px; margin: 0 auto; width: 100%;
}
.search input {
    width: 100%; padding: 12px 14px; border: 1px solid var(--input-border); background: var(--input-bg); color: var(--text);
    border-radius: 999px 0 0 999px; outline: none;
}
.search button { height: 44px; border: 1px solid var(--input-border); border-left: none; background: var(--elev); color: var(--text); border-radius: 0 999px 999px 0; cursor: pointer; }
.actions { display: flex; justify-content: flex-end; gap: 8px; }

/* Layout */
.layout { display: grid; grid-template-columns: 72px 1fr; }
.sidebar {
    position: sticky; top: 64px; height: calc(100dvh - 64px); overflow: auto; padding: 8px 6px; background: var(--bg);
    border-right: 1px solid var(--line);
}
.nav-button {
    width: 100%; display: grid; grid-template-columns: 48px; place-items: center; gap: 8px;
    padding: 10px 6px; color: var(--muted);
    border-radius: 10px; cursor: pointer;
}
.nav-button.active, .nav-button:hover { background: var(--hover); color: var(--text); }
.nav-label { font-size: 11px; text-align: center; margin-top: 6px; }

main { padding: 16px; }
.section { display: none; }
.section.active { display: block; }

.hero { background: linear-gradient(180deg, #fff, #f6efe7); border: 1px solid var(--line); border-radius: var(--card-radius); padding: 32px; box-shadow: var(--shadow); }
.hero h1 { margin: 0 0 8px; font-size: clamp(22px, 3vw, 36px); }
.hero p { color: var(--muted); margin: 0 0 18px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 10px; }
.btn {
    padding: 10px 16px; border-radius: 999px; border: 1px solid var(--input-border); background: var(--surface); color: var(--text); cursor: pointer; font-weight: 600;
    box-shadow: 0 1px 0 rgba(0,0,0,.02);
}
.btn.primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn.ghost { background: transparent; border-color: var(--brand-2); color: var(--brand-2); }

.grid { display: grid; gap: 16px; }
.grid.cards { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--card-radius); overflow: hidden; box-shadow: var(--shadow); }
.card .thumb { aspect-ratio: 16/9; background: var(--thumb-bg); display: grid; place-items: center; color: var(--muted); font-size: 12px; }
.card .body { padding: 12px; }
.meta { color: var(--muted); font-size: 14px; }

.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 20px; }
.kpi { background: var(--elev); border: 1px solid var(--line); border-radius: 10px; padding: 12px; text-align: center; }

/* Forms */
form { display: grid; gap: 12px; }
.field { display: grid; gap: 6px; }
label { font-size: 14px; color: var(--muted); }
input[type="text"], input[type="email"], input[type="tel"], input[type="url"], select, textarea, input[type="file"] {
    width: 100%; padding: 12px 14px; border: 1px solid var(--input-border); background: var(--input-bg); color: var(--text); border-radius: 10px;
}
textarea { min-height: 110px; }
.help { color: var(--muted-2); font-size: 12px; }
.hint { font-size: 12px; color: var(--muted-2); margin-top: 4px; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { padding: 6px 10px; border-radius: 999px; background: #f3f7f4; border: 1px solid #dbe7df; font-size: 12px; color: var(--link); }

.flex { display: flex; gap: 10px; align-items: center; }
.row { display: flex; gap: 10px; }

.toast { position: fixed; right: 16px; bottom: 16px; background: #ffffff; border: 1px solid var(--line); padding: 12px 14px; border-radius: 10px; box-shadow: var(--shadow); opacity: 0; transform: translateY(10px); transition: .2s; color: var(--text); }
.toast.show { opacity: 1; transform: translateY(0); }

footer { margin-top: 32px; padding: 24px 0; color: var(--muted); border-top: 1px solid var(--line); }
.footer-grid { display: grid; gap: 16px; grid-template-columns: 1fr; }

@media (min-width: 920px){
    .footer-grid { grid-template-columns: 2fr 1fr 1fr; font-size: 15px }
}
@media (max-width: 900px){
    .layout { grid-template-columns: 56px 1fr; }
    .appbar { grid-template-columns: 40px 1fr 160px; }
    .actions { gap: 4px; }
}


/* Base font sizing for balance */
html { font-size: 15px; }
body { line-height: 1.6; }
@media (min-width: 768px){ html { font-size: 16px; } }
@media (min-width: 1280px){ html { font-size: 16px; } }

/* Header layout tweaks */
.appbar { grid-template-columns: 56px 1fr auto; }
.actions { display: flex; align-items: center; gap: 8px; min-width: 0; }
.actions > * { min-width: 0; }
.open-search { display: none; }

/* Search bar hardening */
.search { display: flex; align-items: center; gap: 0; flex: 1 1 480px; min-width: 180px; }
.search input { flex: 1 1 auto; min-width: 0; height: 44px; border: 1px solid var(--input-border); border-right: 0; border-radius: 999px 0 0 999px; }
.search button.icon-btn { width: 48px; height: 44px; border: 1px solid var(--input-border); border-left: 0; border-radius: 0 999px 999px 0; }
.search input:focus { outline: none; box-shadow: 0 0 0 3px rgba(46,107,59,.12); }

/* Drawer (mobile nav) */
.drawer { position: fixed; inset: 0; pointer-events: none; }
.drawer-panel { position: absolute; inset: 0 auto 0 0; width: 84%; max-width: 340px; background: var(--surface); border-right: 1px solid var(--line); transform: translateX(-100%); transition: transform .25s ease; display: grid; grid-template-rows: auto 1fr; }
.drawer-header { display: flex; align-items: center; justify-content: space-between; padding: 12px; border-bottom: 1px solid var(--line); }
.drawer-menu { padding: 8px; overflow: auto; }
.drawer-overlay { position: absolute; inset: 0; background: rgba(0,0,0,.28); opacity: 0; transition: opacity .2s ease; }
.drawer.show { pointer-events: auto; }
.drawer.show .drawer-panel { transform: translateX(0); }
.drawer.show .drawer-overlay { opacity: 1; }

/* Search overlay (mobile) */
.search-overlay { position: fixed; inset: 0; display: grid; place-items: start center; padding: 16px; pointer-events: none; }
.search-panel { width: 100%; max-width: 720px; display: grid; grid-template-columns: 1fr auto 44px; gap: 8px; background: var(--surface); border: 1px solid var(--line); padding: 12px; border-radius: 12px; transform: translateY(-16px); opacity: 0; transition: .2s ease; }
.search-overlay .drawer-overlay { background: rgba(0,0,0,.28); opacity: 0; transition: opacity .2s ease; position: absolute; inset: 0; }
.search-overlay.show { pointer-events: auto; }
.search-overlay.show .search-panel { transform: translateY(0); opacity: 1; }
.search-overlay.show .drawer-overlay { opacity: 1; }
#searchInputMobile { padding: 12px 14px; border-radius: 10px; border: 1px solid var(--input-border); background: var(--input-bg); color: var(--text); }

/* Responsive adjustments */
@media (max-width: 900px){
    .layout { grid-template-columns: 0 1fr; } /* visually hide sidebar width */
    .sidebar { display: none; }
    .appbar { grid-template-columns: 40px 1fr auto; }
    .actions { gap: 6px; }
}
@media (max-width: 680px){
    .search { display: none; }
    .open-search { display: inline-grid; }
    .kpis { grid-template-columns: 1fr 1fr; }
    .appbar { grid-template-columns: 40px 1fr auto; }
}
@media (max-width: 420px){
    .btn { padding: 8px 12px; }
    .icon-btn, .menu-btn { width: 36px; height: 36px; }
}