:root {
    --mdo-verde-oscuro: #0b4d3c;
    --mdo-verde: #0f6b4f;
    --mdo-verde-claro: #12855f;
    --mdo-oro: #c9a227;
    --mdo-oro-claro: #e8c85a;
    --mdo-fondo: #f4f7f5;
    --mdo-texto: #1c2a26;
    --mdo-borde: #e1e7e3;
}

body {
    background-color: var(--mdo-fondo);
    color: var(--mdo-texto);
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

.mdo-sidebar {
    min-height: 100vh;
    background: linear-gradient(180deg, var(--mdo-verde-oscuro) 0%, var(--mdo-verde) 100%);
    color: #fff;
    width: 240px;
    flex-shrink: 0;
}

.mdo-sidebar .brand {
    padding: 1.25rem 1rem;
    border-bottom: 1px solid rgba(255,255,255,.15);
}

.mdo-sidebar .brand .oro {
    color: var(--mdo-oro-claro);
    font-weight: 700;
}

.mdo-sidebar .nav-link {
    color: rgba(255,255,255,.85);
    padding: .6rem 1.1rem;
    border-radius: 0;
    font-size: .92rem;
    display: flex;
    align-items: center;
    gap: .6rem;
}

.mdo-sidebar .nav-link:hover {
    background: rgba(255,255,255,.08);
    color: #fff;
}

.mdo-sidebar .nav-link.active {
    background: rgba(255,255,255,.14);
    color: #fff;
    border-left: 3px solid var(--mdo-oro-claro);
    font-weight: 600;
}

.mdo-sidebar .nav-section {
    text-transform: uppercase;
    font-size: .68rem;
    letter-spacing: .07em;
    color: rgba(255,255,255,.5);
    padding: 1rem 1.1rem .25rem;
}

.mdo-topbar {
    background: #fff;
    border-bottom: 1px solid var(--mdo-borde);
    padding: .75rem 1.5rem;
}

.mdo-main {
    flex: 1;
    min-width: 0;
}

.mdo-content {
    padding: 1.5rem;
}

.kpi-card {
    background: #fff;
    border: 1px solid var(--mdo-borde);
    border-radius: .6rem;
    padding: 1.1rem 1.3rem;
    box-shadow: 0 1px 2px rgba(0,0,0,.03);
    height: 100%;
}

.kpi-card .kpi-label {
    font-size: .78rem;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: #6b7a74;
}

.kpi-card .kpi-valor {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--mdo-verde-oscuro);
}

.kpi-card .kpi-icono {
    width: 42px;
    height: 42px;
    border-radius: .5rem;
    background: rgba(15,107,79,.1);
    color: var(--mdo-verde);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.card-mdo {
    background: #fff;
    border: 1px solid var(--mdo-borde);
    border-radius: .6rem;
    box-shadow: 0 1px 2px rgba(0,0,0,.03);
}

.card-mdo .card-header {
    background: #fff;
    border-bottom: 1px solid var(--mdo-borde);
    font-weight: 600;
    color: var(--mdo-verde-oscuro);
}

.badge-oro {
    background: var(--mdo-oro);
    color: #fff;
}

.table thead th {
    background: #eef4f1;
    color: var(--mdo-verde-oscuro);
    font-size: .78rem;
    text-transform: uppercase;
    letter-spacing: .03em;
    border-bottom: 2px solid var(--mdo-borde);
}

.btn-mdo {
    background: var(--mdo-verde);
    border-color: var(--mdo-verde);
    color: #fff;
}

.btn-mdo:hover {
    background: var(--mdo-verde-oscuro);
    border-color: var(--mdo-verde-oscuro);
    color: #fff;
}

.text-positivo { color: #1a8754; }
.text-negativo { color: #c0392b; }

.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--mdo-verde-oscuro) 0%, var(--mdo-verde) 55%, var(--mdo-oro) 140%);
}

.login-card {
    width: 100%;
    max-width: 380px;
    background: #fff;
    border-radius: .8rem;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0,0,0,.2);
}

.dropzone {
    border: 2px dashed var(--mdo-verde-claro);
    border-radius: .6rem;
    padding: 1rem;
    background: #f8fbfa;
}

.dropzone.tiene-archivo {
    border-style: solid;
    background: #eef8f2;
}