:root {
    --primary-blue: #243454;
    --secondary-blue: #3A5078;
    --background-light: #E6E7E9;
    --text-light: #FFFFFF;
    --accent-orange: #F5A623;
    --card-bg: #FFFFFF;
    --text-dark: #333333;
    
    /* Colores para alertas visuales del METAR SARC */
    --metar-base-gray: #CCCCCC;
    --metar-danger-red: #D9383A;
    --metar-warn-orange: #E67E22;
    --metar-imc-blue: #2980B9;
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Montserrat', sans-serif; }
body { background-color: var(--background-light); color: var(--text-dark); display: flex; flex-direction: column; align-items: center; min-height: 100vh; }

header { background-color: var(--primary-blue); width: 100%; padding: 2rem 2rem; box-shadow: 0 4px 10px rgba(0,0,0,0.15); border-bottom: 5px solid var(--accent-orange); }
.header-contenido { display: flex; justify-content: space-between; align-items: center; max-width: 1200px; margin: 0 auto; width: 100%; gap: 2rem; }
.header-titulos { text-align: left; }
header h1 { font-size: 2.6rem; font-weight: 700; letter-spacing: 2px; color: var(--text-light); margin-bottom: 0.2rem; }
header p { font-size: 1rem; color: var(--text-light); opacity: 0.9; }

/* CONTENEDOR ANCHO DOBLE PARA LAS HERRAMIENTAS */
.header-tools-container { display: flex; gap: 1.5rem; align-items: stretch; max-width: 720px; width: 100%; }

/* Recuadro fijo del METAR SARC */
.metar-container { background-color: rgba(255, 255, 255, 0.06); border-left: 3px solid var(--metar-base-gray); padding: 0.8rem 1.2rem; border-radius: 6px; width: 45%; text-align: left; box-shadow: inset 0 0 10px rgba(0,0,0,0.1); display: flex; flex-direction: column; justify-content: center; }
.metar-titulo { display: block; font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: var(--metar-base-gray); margin-bottom: 0.3rem; }
.metar-texto { font-family: 'Courier New', Courier, monospace; font-size: 0.85rem; font-weight: 600; color: var(--text-light); word-break: break-all; line-height: 1.3; }

/* Recuadro Ensanchado del Buscador Automático CSV */
.aero-search-container { background-color: rgba(255, 255, 255, 0.06); border-left: 3px solid var(--accent-orange); padding: 0.8rem 1.2rem; border-radius: 6px; width: 55%; text-align: left; box-shadow: inset 0 0 10px rgba(0,0,0,0.1); display: flex; flex-direction: column; justify-content: center; }
.search-titulo { display: block; font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: #CCCCCC; margin-bottom: 0.3rem; }
.search-input-wrapper { background: rgba(255, 255, 255, 0.15); border-radius: 4px; padding: 3px 8px; border: 1px solid rgba(255, 255, 255, 0.2); margin-bottom: 0.3rem; width: 100%; max-width: 160px; }
.search-input-wrapper input { background: transparent; border: none; outline: none; color: #fff; font-weight: 700; text-transform: uppercase; font-size: 0.85rem; width: 100%; }
.search-input-wrapper input::placeholder { color: rgba(255, 255, 255, 0.4); font-weight: 400; }
.search-resultado { font-size: 0.78rem; font-weight: 600; color: #FFFFFF; min-height: 2.2rem; line-height: 1.25; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; text-overflow: ellipsis; }

/* Banner dinámico de alertas meteorológicas SARC */
.metar-alerta-banner { width: 90%; max-width: 1100px; margin: 2rem auto -1rem auto; padding: 1.2rem 2rem; border-radius: 8px; display: flex; align-items: center; justify-content: center; gap: 1.2rem; font-weight: 700; font-size: 1.2rem; letter-spacing: 1px; color: var(--text-light); box-shadow: 0 4px 12px rgba(0,0,0,0.15); }
.metar-alerta-banner i { font-size: 1.6rem; }
.alert-toda-operacion { background-color: var(--metar-danger-red); border: 2px solid #A62426; animation: pulsoCritico 1.2s infinite ease-in-out; }
.alert-arribos { background-color: var(--metar-warn-orange); border: 2px solid #B35E14; animation: pulsoSuave 2.2s infinite ease-in-out; }
.alert-imc { background-color: var(--metar-imc-blue); border: 2px solid #1F618D; }

@keyframes pulsoCritico { 0% { opacity: 1; transform: scale(1); } 50% { opacity: 0.75; transform: scale(0.99); } 100% { opacity: 1; transform: scale(1); } }
@keyframes pulsoSuave { 0% { opacity: 1; } 50% { opacity: 0.88; } 100% { opacity: 1; } }

/* Cuadro amarillo de avisos (aviso.txt) */
.aviso-container { background-color: #FFF200; color: var(--primary-blue); width: 90%; max-width: 1100px; margin: 2rem auto -1rem auto; padding: 1.2rem 2rem; border-radius: 8px; display: flex; align-items: center; gap: 1rem; font-weight: 700; font-size: 1.1rem; box-shadow: 0 4px 10px rgba(0,0,0,0.1); border: 2px solid var(--primary-blue); }
.aviso-container i { font-size: 1.8rem; }

/* Grilla del Dashboard */
.dashboard-container { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 2rem; width: 90%; max-width: 1100px; margin-top: 3rem; padding-bottom: 2rem; }
.card { background-color: var(--card-bg); border-radius: 12px; padding: 2rem 1.5rem; text-align: center; cursor: pointer; transition: 0.3s; box-shadow: 0 4px 15px rgba(0,0,0,0.05); display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 190px; border: 2px solid transparent; }
.card:hover { transform: translateY(-5px); border-color: var(--accent-orange); box-shadow: 0 12px 25px rgba(0,0,0,0.12); }
.card i { font-size: 3.2rem; color: var(--primary-blue); margin-bottom: 1.2rem; }
.card h2 { color: var(--primary-blue); font-size: 1.25rem; font-weight: 700; margin-bottom: 0.4rem; }
.card p { font-size: 0.85rem; color: #666; }

/* Links Útiles */
.links-utiles-seccion { width: 90%; max-width: 1100px; margin-top: 1.5rem; padding-bottom: 4rem; border-top: 2px solid #D1D5DB; padding-top: 1.5rem; }
.links-utiles-seccion h3 { color: var(--secondary-blue); font-size: 1.2rem; font-weight: 700; margin-bottom: 1rem; letter-spacing: 1px; }
.links-utiles-container { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.link-util-item { background: var(--card-bg); padding: 1rem 1.5rem; border-radius: 8px; display: flex; align-items: center; gap: 1rem; cursor: pointer; box-shadow: 0 2px 8px rgba(0,0,0,0.05); border-left: 4px solid var(--secondary-blue); transition: 0.2s; min-width: 220px; }
.link-util-item:hover { transform: translateY(-3px); border-left-color: var(--accent-orange); box-shadow: 0 6px 12px rgba(0,0,0,0.1); }
.link-util-item i { font-size: 1.4rem; color: var(--primary-blue); }
.link-util-item span { font-weight: 600; font-size: 0.95rem; color: var(--text-dark); }

/* Pantalla interna de listado de archivos */
.archivos-container { width: 90%; max-width: 850px; margin-top: 2rem; padding-bottom: 4rem; }
.btn-volver { background: transparent; border: none; color: var(--secondary-blue); font-weight: 600; cursor: pointer; display: flex; align-items: center; gap: 0.5rem; margin-bottom: 1.5rem; font-size: 1rem; }
.header-seccion { margin-bottom: 2rem; border-bottom: 2px solid #d1d5db; padding-bottom: 1rem; }
.header-seccion h2 { color: var(--primary-blue); font-size: 1.8rem; }
.header-seccion p { color: #666; margin-top: 0.3rem; }
.buscador-container { position: relative; margin-bottom: 2rem; }
.buscador-container i { position: absolute; left: 15px; top: 50%; transform: translateY(-50%); color: var(--primary-blue); font-size: 1.1rem; }
#buscador { width: 100%; padding: 1rem 1rem 1rem 3.5rem; border: 2px solid #d1d5db; border-radius: 8px; outline: none; font-size: 1rem; color: var(--text-dark); }
#buscador:focus { border-color: var(--accent-orange); }
.lista-archivos { display: flex; flex-direction: column; gap: 1rem; }
.archivo-item { background: var(--card-bg); border-radius: 8px; padding: 1.2rem 1.5rem; display: flex; align-items: center; cursor: pointer; border-left: 4px solid var(--primary-blue); transition: 0.2s; box-shadow: 0 2px 8px rgba(0,0,0,0.05); }
.archivo-item:hover { transform: translateX(5px); border-left-color: var(--accent-orange); background-color: #f8f9fa; }
.file-icon { font-size: 1.8rem; margin-right: 1.5rem; width: 30px; text-align: center; }
.archivo-info { flex-grow: 1; }
.archivo-info h3 { font-size: 1.1rem; color: var(--text-dark); }

/* Ajustes responsivos para celulares y tablets */
@media (max-width: 900px) {
    .header-contenido { flex-direction: column; text-align: center; }
    .header-titulos { text-align: center; margin-bottom: 0.5rem; }
    header h1 { font-size: 2.2rem; }
    .header-tools-container { flex-direction: column; max-width: 100%; gap: 1rem; }
    .metar-container, .aero-search-container { width: 100%; }
    .search-input-wrapper { max-width: 100%; }
    .dashboard-container { grid-template-columns: 1fr; }
    .links-utiles-container { flex-direction: column; }
}