/* =========================================
   SISTEMA DE VARIABLES (TEMA CLARO / OSCURO)
   ========================================= */
:root {
    --bg-body: #e1e1e1;
    --bg-container: #ffffff;
    --text-main: #1f3044;
    --text-muted: #555555;
    --border-color: #cccccc;
    --input-bg: #ffffff;
    --btn-bg: #1f3044;
    --btn-text: #ffffff;
    --btn-hover: #2a415c;
    --success-bg: #f8fcf9;
    --success-border: #c3e6cb;
    --table-header: #1f3044;
    --table-header-text: #ffffff;
    --table-row-even: #f9f9f9;
    --cal-bg: #f4f7f6;
    --cal-btn-bg: #ffffff;
    --cal-btn-border: #c9d3df;
    --cal-btn-hover: #eef2f5;
    --cal-btn-active-bg: #1f3044;
    --cal-btn-active-text: #ffffff;
    --reclamacion-bg: #eef2f5;
    --reclamacion-border: #1f3044;
    --tachado-color: #a0aab5;
    --modal-overlay: rgba(31, 48, 68, 0.6);
    --info-bg: #e8f4fd;
    --info-border: #b8d8f0;
    --info-text: #1a4a6e;
}

body.dark-mode {
    --bg-body: #161615;
    --bg-container: #1F1F1E;
    --text-main: #C3C2B7;
    --text-muted: #8c8b81;
    --border-color: #383836;
    --input-bg: #2a2a28;
    --btn-bg: #C3C2B7;
    --btn-text: #1F1F1E;
    --btn-hover: #a3a297;
    --success-bg: #252524;
    --success-border: #383836;
    --table-header: #2a2a28;
    --table-header-text: #C3C2B7;
    --table-row-even: #252524;
    --cal-bg: #252524;
    --cal-btn-bg: #2a2a28;
    --cal-btn-border: #444442;
    --cal-btn-hover: #383836;
    --cal-btn-active-bg: #C3C2B7;
    --cal-btn-active-text: #1F1F1E;
    --reclamacion-bg: #252524;
    --reclamacion-border: #C3C2B7;
    --tachado-color: #6c6b63;
    --modal-overlay: rgba(0, 0, 0, 0.7);
    --info-bg: #1a2a38;
    --info-border: #2a4a62;
    --info-text: #7ab8d8;
}

/* =========================================
   ESTILOS GENERALES
   ========================================= */
body {
    font-family: 'IBM Plex Sans', sans-serif; background-color: var(--bg-body); color: var(--text-main);
    display: flex; justify-content: center; align-items: center; min-height: 100vh; margin: 0;
    padding: 20px; box-sizing: border-box; transition: background-color 0.3s, color 0.3s;
}

.container {
    background: var(--bg-container); padding: 40px 30px 35px 30px; border-radius: 16px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.08); max-width: 650px; width: 100%; box-sizing: border-box;
    position: relative; transition: max-width 0.5s cubic-bezier(0.25, 0.8, 0.25, 1), background-color 0.3s;
}

.container.expanded { max-width: 1000px; }

.top-actions { position: absolute; top: 20px; right: 20px; display: flex; gap: 10px; }

.action-btn {
    background: none; border: 1px solid var(--border-color); color: var(--text-main);
    padding: 6px 12px; border-radius: 20px; font-size: 12px; cursor: pointer;
    font-family: 'IBM Plex Sans', sans-serif; transition: all 0.3s; display: flex; align-items: center; gap: 5px;
}
.action-btn:hover { background-color: var(--cal-bg); }

h1.brand-title { font-family: 'Libre Baskerville', serif; font-size: 26px; font-weight: 700; text-align: center; color: var(--text-main); margin-top: 20px; margin-bottom: 5px; }
h2.subtitle { font-family: 'Libre Baskerville', serif; font-size: 16px; font-weight: 400; margin-top: 0; margin-bottom: 25px; text-align: center; color: var(--text-muted); border-bottom: 1px solid var(--border-color); padding-bottom: 15px; }

label { font-weight: 600; font-size: 14px; display: block; margin-top: 15px; margin-bottom: 5px; color: var(--text-main); }

input, select {
    font-family: 'IBM Plex Sans', sans-serif; width: 100%; padding: 10px; background-color: var(--input-bg);
    border: 1px solid var(--border-color); border-radius: 8px; font-size: 15px; color: var(--text-main);
    box-sizing: border-box; color-scheme: light dark;
}
input:focus, select:focus { outline: none; border-color: var(--text-main); }

.row { display: flex; gap: 15px; }
.row > div { flex: 1; }

.btn-principal {
    font-family: 'IBM Plex Sans', sans-serif; width: 100%; padding: 14px; background-color: var(--btn-bg);
    color: var(--btn-text); border: none; border-radius: 8px; font-size: 16px; font-weight: 600;
    cursor: pointer; margin-top: 25px; transition: background 0.3s;
}
.btn-principal:hover { background-color: var(--btn-hover); }

.error { background-color: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; text-align: center; padding: 20px; border-radius: 8px; margin-top: 20px; display: none; line-height: 1.5;}

/* =========================================
   BADGE DE BASE ACTIVA
   ========================================= */
#base-badge {
    display: none;
    margin-top: 15px;
    padding: 10px 14px;
    background-color: var(--info-bg);
    border: 1px solid var(--info-border);
    border-radius: 8px;
    font-size: 13px;
    color: var(--info-text);
    line-height: 1.5;
}
#base-badge strong { font-weight: 600; }

/* =========================================
   GRID DE RESULTADOS
   ========================================= */
#resultado-wrapper { margin-top: 30px; display: none; grid-template-columns: 1fr 1fr; gap: 25px; border-top: 1px solid var(--border-color); padding-top: 30px; }
.success-box { padding: 20px; background-color: var(--success-bg); border: 1px solid var(--success-border); border-radius: 8px; box-sizing: border-box; }
.calendario-wrapper { background: var(--cal-bg); padding: 20px; border-radius: 8px; border: 1px solid var(--border-color); box-sizing: border-box; display: flex; flex-direction: column; }
#reclamacion-container { grid-column: 1 / -1; display: flex; justify-content: center; }

.tabla-desglose { width: 100%; border-collapse: collapse; margin-top: 15px; font-size: 14px; background: var(--bg-container); border-radius: 8px; overflow: hidden; }
.tabla-desglose th, .tabla-desglose td { border: 1px solid var(--border-color); padding: 10px 5px; text-align: center; }
.tabla-desglose th { background-color: var(--table-header); color: var(--table-header-text); font-weight: 600; }
.tabla-desglose tr:nth-child(even) { background-color: var(--table-row-even); }
.tabla-desglose td.positiva { color: #28a745; font-weight: bold; }
.tabla-desglose td.negativa { color: #dc3545; font-weight: bold; }

.mes-btn {
    display: flex; align-items: center; justify-content: center; aspect-ratio: 1; width: 100%;
    font-size: 13px; background-color: var(--cal-btn-bg); border: 1px solid var(--cal-btn-border);
    border-radius: 6px; cursor: pointer; color: var(--text-main); transition: all 0.2s;
    user-select: none; text-transform: capitalize; box-sizing: border-box; padding: 0;
}
.mes-btn:hover { background-color: var(--cal-btn-hover); transform: scale(1.05); }
.mes-btn.pagado { background-color: var(--cal-btn-active-bg); color: var(--cal-btn-active-text); border-color: var(--cal-btn-active-bg); }

.caja-reclamacion {
    width: 75%; padding: 25px; background-color: var(--reclamacion-bg);
    border-top: 5px solid var(--reclamacion-border); border-radius: 8px; box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}
.caja-reclamacion h3 { margin-top: 0; color: var(--text-main); font-family: 'Libre Baskerville', serif; font-size: 18px; margin-bottom: 15px; text-align: center;}
.lista-atrasos { margin: 0; padding-left: 20px; font-size: 14px; color: var(--text-main); }
.lista-atrasos li { margin-bottom: 8px; }
.footer-note { font-size: 11px; color: var(--text-muted); text-align: center; margin-top: 20px; }

/* =========================================
   VENTANA EMERGENTE (MODAL) INFO
   ========================================= */
.modal-overlay {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0; background-color: var(--modal-overlay);
    display: flex; justify-content: center; align-items: center; z-index: 1000; opacity: 0;
    pointer-events: none; transition: opacity 0.3s ease; backdrop-filter: blur(3px);
}
.modal-overlay.active { opacity: 1; pointer-events: auto; }
.modal-content {
    background-color: var(--bg-container); color: var(--text-muted); padding: 35px; border-radius: 12px;
    width: 90%; max-width: 600px; max-height: 85vh; overflow-y: auto; position: relative;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2); border: 1px solid var(--border-color);
    transform: translateY(-20px); transition: transform 0.3s ease;
}
.modal-overlay.active .modal-content { transform: translateY(0); }
.modal-content h3 { font-family: 'Libre Baskerville', serif; color: var(--text-main); font-size: 20px; margin-top: 0; margin-bottom: 15px; border-bottom: 1px solid var(--border-color); padding-bottom: 8px; }
.modal-content p { font-size: 14px; line-height: 1.6; margin-bottom: 20px; text-align: justify; }
.close-btn { position: absolute; top: 20px; right: 20px; background: none; border: none; font-size: 24px; line-height: 1; color: var(--text-muted); cursor: pointer; transition: color 0.2s; }
.close-btn:hover { color: var(--text-main); }

.text-main-class { color: var(--text-main); }
.text-muted-class { color: var(--text-muted); }
.tachado-class { text-decoration: line-through; color: var(--tachado-color); font-size: 12px; }

@media (max-width: 800px) {
    #resultado-wrapper { grid-template-columns: 1fr; }
    .caja-reclamacion { width: 100%; border-top: none; border-left: 5px solid var(--reclamacion-border); }
}

/* === ESTILOS IMPRESIÓN PDF === */
@media print {
    body { background: white !important; display: block !important; padding: 0 !important; }
    .container { box-shadow: none !important; border-radius: 0 !important; max-width: 100% !important; padding: 20px !important; }
    .top-actions, #calendario-container, #reclamacion-container,
    .btn-principal, label, input, select, #error-msg, #base-badge,
    button { display: none !important; }
    #resultado-wrapper { display: block !important; border-top: none !important; padding-top: 0 !important; }
    #resumen-container { border: none !important; background: white !important; padding: 0 !important; }
    .tabla-desglose { width: 100% !important; border-collapse: collapse !important; font-size: 13px !important; }
    .tabla-desglose th { background-color: #1f3044 !important; color: white !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; padding: 8px !important; }
    .tabla-desglose td { padding: 8px !important; border: 1px solid #ccc !important; }
    #print-header { display: block !important; }
    #print-footer-bar { display: block !important; }
}
#print-header, #print-footer-bar { display: none; }