:root {
    --verde-oscuro:    #2d4a2d;
    --verde-medio:     #3d6b3d;
    --verde-suave:     #4e8b4e;
    --verde-claro:     #6aab6a;
    --verde-muy-claro: #c8e6c8;
    --verde-bg:        #f0f7f0;
    --verde-borde:     #a8d0a8;
    --acento:          #8b6914;
    --acento-claro:    #c4972a;
    --texto:           #1a2b1a;
    --texto-suave:     #4a5e4a;
    --blanco:          #ffffff;
    --gris-claro:      #f5f8f5;
    --sombra:          rgba(45,74,45,0.15);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
    font-family: 'Georgia', 'Times New Roman', serif;
    background: var(--verde-bg);
    color: var(--texto);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* NAV */
nav {
    background: linear-gradient(135deg, var(--verde-oscuro) 0%, var(--verde-medio) 100%);
    border-bottom: 3px solid var(--acento);
    position: sticky; top: 0; z-index: 100;
    box-shadow: 0 2px 12px var(--sombra);
}
.nav-inner {
    max-width: 1200px; margin: 0 auto;
    display: flex; align-items: center;
}
.nav-brand {
    color: var(--blanco); text-decoration: none;
    padding: 14px 24px;
    font-size: 1rem; font-weight: bold;
    border-right: 1px solid rgba(255,255,255,0.2);
    display: flex; align-items: center; gap: 8px;
    letter-spacing: 0.03em;
}
.nav-brand span { color: var(--acento-claro); }
.nav-links { display: flex; flex: 1; }
.nav-links a {
    color: rgba(255,255,255,0.85);
    text-decoration: none;
    padding: 14px 18px;
    font-size: 0.88rem;
    transition: all 0.2s;
    font-family: Arial, sans-serif;
    letter-spacing: 0.02em;
    border-bottom: 3px solid transparent;
    margin-bottom: -3px;
}
.nav-links a:hover, .nav-links a.active {
    color: var(--blanco);
    background: rgba(255,255,255,0.08);
    border-bottom-color: var(--acento-claro);
}

/* PAGE HEADER */
.page-header {
    background: linear-gradient(160deg, var(--verde-oscuro) 0%, var(--verde-medio) 60%, var(--verde-suave) 100%);
    color: var(--blanco);
    padding: 48px 24px 40px;
    text-align: center;
    border-bottom: 4px solid var(--acento);
}
.page-header .sello {
    width: 64px; height: 64px;
    background: rgba(255,255,255,0.12);
    border: 2px solid var(--acento-claro);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 16px;
    font-size: 2rem;
}
.page-header h1 {
    font-size: 2rem; font-weight: normal;
    letter-spacing: 0.05em;
    text-shadow: 0 1px 4px rgba(0,0,0,0.4);
}
.page-header h1 strong { color: var(--acento-claro); }
.page-header p {
    margin-top: 8px;
    color: rgba(255,255,255,0.75);
    font-family: Arial, sans-serif;
    font-size: 0.9rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}
.page-header .sub-link {
    color: rgba(255,255,255,0.55);
    text-decoration: none;
    font-family: Arial, sans-serif;
    font-size: 0.85rem;
}

/* MAIN */
main { max-width: 1200px; margin: 0 auto; padding: 32px 20px; flex: 1; }

/* CARDS */
.card {
    background: var(--blanco);
    border: 1px solid var(--verde-borde);
    border-radius: 6px;
    box-shadow: 0 2px 8px var(--sombra);
    overflow: hidden;
}
.card-header {
    background: var(--verde-oscuro);
    color: var(--blanco);
    padding: 12px 18px;
    font-family: Arial, sans-serif;
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    display: flex; align-items: center; gap: 8px;
    border-bottom: 2px solid var(--acento);
}
.card-body { padding: 20px; }

/* STATS */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px; margin-bottom: 32px;
}
.stat-card {
    background: var(--blanco);
    border: 1px solid var(--verde-borde);
    border-top: 4px solid var(--verde-suave);
    border-radius: 6px;
    padding: 20px 16px;
    text-align: center;
    box-shadow: 0 2px 6px var(--sombra);
}
.stat-num {
    font-size: 2.2rem; font-weight: bold;
    color: var(--verde-oscuro); line-height: 1;
}
.stat-label {
    margin-top: 6px; font-size: 0.78rem;
    color: var(--texto-suave); font-family: Arial, sans-serif;
    text-transform: uppercase; letter-spacing: 0.06em;
}

/* TABLE */
.tabla-wrapper { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 0.84rem; }
thead th {
    background: var(--verde-oscuro); color: var(--blanco);
    padding: 10px 12px; text-align: left;
    letter-spacing: 0.05em; text-transform: uppercase;
    font-size: 0.75rem; white-space: nowrap;
}
tbody tr { border-bottom: 1px solid var(--verde-muy-claro); }
tbody tr:nth-child(even) { background: var(--verde-bg); }
tbody tr:hover { background: var(--verde-muy-claro); }
tbody td { padding: 9px 12px; vertical-align: top; }
.td-asunto { max-width: 340px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* BUTTONS */
.btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 8px 18px; border: none; border-radius: 4px;
    cursor: pointer; font-size: 0.85rem;
    font-family: Arial, sans-serif; text-decoration: none;
    transition: all 0.2s;
}
.btn-primary   { background: var(--verde-medio); color: var(--blanco); }
.btn-primary:hover { background: var(--verde-oscuro); }
.btn-secondary { background: var(--blanco); color: var(--verde-medio); border: 1px solid var(--verde-medio); }
.btn-secondary:hover { background: var(--verde-bg); }
.btn-acento    { background: var(--acento); color: var(--blanco); }
.btn-acento:hover { background: #6e5210; }
.btn-sm { padding: 5px 12px; font-size: 0.78rem; }

/* FORMS */
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; }
.form-group { display: flex; flex-direction: column; gap: 4px; }
.form-group label { font-size: 0.75rem; font-family: Arial, sans-serif; text-transform: uppercase; letter-spacing: 0.06em; color: var(--texto-suave); }
.form-group input,
.form-group select {
    padding: 8px 10px; border: 1px solid var(--verde-borde);
    border-radius: 4px; font-size: 0.88rem;
    font-family: Arial, sans-serif; background: var(--blanco);
    color: var(--texto); transition: border-color 0.2s;
}
.form-group input:focus,
.form-group select:focus { outline: none; border-color: var(--verde-suave); box-shadow: 0 0 0 3px rgba(78,139,78,0.15); }

/* BADGES */
.badge { display: inline-block; padding: 2px 8px; border-radius: 12px; font-size: 0.72rem; font-family: Arial, sans-serif; font-weight: bold; white-space: nowrap; }
.badge-rn1   { background: #d4edda; color: #155724; }
.badge-rn2   { background: #cce5ff; color: #004085; }
.badge-rn3   { background: #fff3cd; color: #856404; }
.badge-rn4   { background: #f8d7da; color: #721c24; }
.badge-grey  { background: #e2e8e2; color: #445544; }

/* ALERTS */
.alert { padding: 12px 16px; border-radius: 4px; font-family: Arial, sans-serif; font-size: 0.88rem; margin-bottom: 16px; }
.alert-info { background: #e8f4e8; border: 1px solid var(--verde-borde); color: var(--verde-oscuro); }

/* RESULTS INFO */
.results-info { font-size: 0.8rem; color: var(--texto-suave); font-family: Arial, sans-serif; font-style: italic; }

/* LOADER */
#loader { display: none; text-align: center; padding: 40px; color: var(--texto-suave); font-family: Arial, sans-serif; }
.spinner {
    width: 36px; height: 36px;
    border: 4px solid var(--verde-muy-claro);
    border-top-color: var(--verde-medio);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 12px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* BAR CHARTS */
.bar-row { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; font-family: Arial, sans-serif; font-size: 0.83rem; }
.bar-label { width: 200px; text-align: right; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: #333; flex-shrink: 0; }
.bar-track { flex: 1; background: #e8f0e8; border-radius: 3px; height: 20px; }
.bar-fill { height: 20px; border-radius: 3px; background: linear-gradient(90deg,#3d6b3d,#6aab6a); display: flex; align-items: center; padding-left: 6px; transition: width 0.6s; }
.bar-fill-acento { background: linear-gradient(90deg,#8b6914,#c4972a); }
.bar-fill-blue   { background: linear-gradient(90deg,#1a5276,#2e86c1); }
.bar-num { color: #fff; font-size: 0.72rem; font-weight: bold; white-space: nowrap; }

/* WORD CLOUD */
.nube { display: flex; flex-wrap: wrap; gap: 8px; padding: 8px 0; }
.nube-term { display: inline-block; padding: 3px 10px; border-radius: 14px; cursor: default; transition: transform 0.15s; font-family: Arial, sans-serif; }
.nube-term:hover { transform: scale(1.1); }

/* DETAIL sections */
.campo-label { font-family: Arial, sans-serif; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.07em; color: #5a7a5a; margin-bottom: 4px; }
.campo-val   { font-size: 0.95rem; }

/* FOOTER */
footer {
    background: var(--verde-oscuro); color: rgba(255,255,255,0.6);
    text-align: center; padding: 16px; font-family: Arial, sans-serif;
    font-size: 0.78rem; border-top: 3px solid var(--acento); margin-top: auto;
}

@media (max-width: 640px) {
    .nav-links a { padding: 12px 10px; font-size: 0.8rem; }
    .page-header h1 { font-size: 1.4rem; }
    .stats-2col { grid-template-columns: 1fr !important; }
}