:root {
    --app-bg: #f5f7f2;
    --app-surface: #ffffff;
    --app-border: #dde5d7;
    --app-ink: #20251f;
    --app-muted: #687266;
    --app-primary: #386a50;
    --app-primary-dark: #294f3c;
    --app-accent: #d99d34;
    --app-danger: #bd493a;
    --sidebar-width: 260px;
}

* { box-sizing: border-box; }

body {
    background: var(--app-bg);
    color: var(--app-ink);
    min-height: 100vh;
}

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

.app-sidebar {
    width: var(--sidebar-width);
    background: var(--app-primary);
    color: #fff;
    padding: 1.4rem 1rem;
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
}

.brand-block { display: flex; align-items: center; gap: .75rem; padding: 0 .4rem 1.3rem; }
.brand-block strong { display: block; font-size: 1.25rem; }
.brand-block span { color: rgba(255,255,255,.75); font-size: .82rem; }
.brand-mark {
    width: 44px;
    height: 44px;
    border-radius: 8px;
    display: grid;
    place-items: center;
    color: var(--app-primary-dark);
    background: #fff;
    font-size: 1.35rem;
}

.app-nav-link {
    color: rgba(255,255,255,.86);
    border: 0;
    text-align: left;
    display: flex;
    gap: .65rem;
    align-items: center;
    border-radius: 8px;
    padding: .75rem .85rem;
    background: transparent;
}
.app-nav-link:hover { color: #fff; background: rgba(255,255,255,.12); }
.app-nav-link.active { color: var(--app-primary-dark); background: #fff; font-weight: 700; }
.sidebar-footer { margin-top: auto; border-top: 1px solid rgba(255,255,255,.2); padding-top: 1rem; }

.app-main {
    flex: 1;
    padding: 2rem;
    max-width: 1380px;
}

.module-panel { display: none; }
.module-panel.active { display: block; }

.page-title {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: flex-start;
    margin-bottom: 1.35rem;
}
.page-title h1 { margin: 0; font-size: 2rem; font-weight: 750; }
.page-title p { margin: .2rem 0 0; color: var(--app-muted); }

.dashboard-grid, .summary-row {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
}

.stat-card, .mini-stat, .content-card {
    background: var(--app-surface);
    border: 1px solid var(--app-border);
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(32,37,31,.05);
}
.stat-card { padding: 1.2rem; }
.stat-card > span, .mini-stat span { color: var(--app-muted); font-weight: 700; text-transform: uppercase; font-size: .78rem; }
.stat-card strong { display: block; font-size: 2rem; margin-top: .35rem; color: var(--app-primary-dark); }
.stat-card small { color: var(--app-muted); }
.metric-line { display: flex; justify-content: space-between; border-top: 1px solid var(--app-border); margin-top: .85rem; padding-top: .7rem; }
.metric-line span { color: var(--app-muted); }

.mini-stat { padding: 1rem; }
.mini-stat strong { display: block; font-size: 1.7rem; color: var(--app-primary-dark); }
.content-card { padding: 1rem; }
.toolbar, .section-title { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; margin-bottom: 1rem; }
.section-title h2 { font-size: 1.25rem; margin: 0; }
.search-box { min-width: 220px; }
.empty-state { color: var(--app-muted); text-align: center; padding: 1.5rem; margin: 0; }
.table thead th { color: var(--app-muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .02em; }
.category-row th {
    background: #eef4ea;
    color: var(--app-primary-dark);
    font-size: .86rem;
    text-transform: none;
    letter-spacing: 0;
}
.category-empty-row td {
    color: var(--app-muted);
    font-size: .9rem;
    font-style: italic;
    background: #fbfcfa;
}
.stock-bar { height: 8px; background: #e7ece3; border-radius: 99px; overflow: hidden; min-width: 120px; }
.stock-bar > span { display: block; height: 100%; border-radius: 99px; background: var(--app-primary); }
.stock-bajo > span { background: var(--app-accent); }
.stock-critico > span { background: var(--app-danger); }
.fila-pendiente { background: #fff8df; }
.fila-completa { background: #e7f5e9; }
.quick-amounts { display: flex; gap: .5rem; flex-wrap: wrap; margin-bottom: 1rem; }
.quick-amounts button { border-radius: 99px; }
.menu-table textarea { min-width: 180px; min-height: 72px; resize: vertical; }
.print-only { position: absolute; left: -99999px; }
.login-body { min-height: 100vh; display: grid; place-items: center; padding: 1rem; }
.login-card {
    width: min(100%, 410px);
    background: #fff;
    border: 1px solid var(--app-border);
    border-radius: 8px;
    padding: 2rem;
    box-shadow: 0 18px 60px rgba(32,37,31,.12);
    text-align: center;
}
.login-card form { text-align: left; }
.btn-primary { --bs-btn-bg: var(--app-primary); --bs-btn-border-color: var(--app-primary); --bs-btn-hover-bg: var(--app-primary-dark); --bs-btn-hover-border-color: var(--app-primary-dark); }

@media print {
    body * { visibility: hidden; }
    .print-only, .print-only * { visibility: visible; }
    .print-only { position: static; padding: 2rem; }
}

@media (max-width: 980px) {
    .app-shell { flex-direction: column; }
    .app-sidebar {
        width: 100%;
        height: auto;
        position: sticky;
        z-index: 20;
        flex-direction: row;
        align-items: center;
        gap: .75rem;
        overflow-x: auto;
    }
    .brand-block { padding: 0; }
    .brand-block span { display: none; }
    .app-sidebar nav { flex-direction: row !important; }
    .sidebar-footer { display: none; }
    .app-main { padding: 1rem; }
    .dashboard-grid, .summary-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 620px) {
    .dashboard-grid, .summary-row { grid-template-columns: 1fr; }
    .page-title h1 { font-size: 1.55rem; }
}