/* Menu principal EducaRommel - archivo independiente */
.site-header{position:sticky;top:0;z-index:1100;width:100%;background:linear-gradient(135deg,#0d1227 0%,#11172f 50%,#0b1329 100%);border-bottom:1px solid rgba(255,255,255,.08);box-shadow:0 5px 22px rgba(0,0,0,.2)}
.site-header .header-inner{width:calc(100% - 28px);max-width:1420px;min-height:76px;margin:0 auto;padding:7px 0;display:flex;align-items:center;gap:10px}
.site-header .brand{flex:0 0 auto;width:145px;min-width:145px;display:inline-flex;align-items:center;gap:8px;color:#fff;text-decoration:none;white-space:nowrap}
.site-header .brand-logo{flex:0 0 auto;width:39px;height:39px;object-fit:cover;border:2px solid rgba(255,255,255,.82);border-radius:50%;box-shadow:0 4px 12px rgba(0,0,0,.28)}
.site-header .brand-text{font-size:15px;font-weight:800;line-height:1;letter-spacing:-.2px}
.site-header .nav{flex:1 1 auto;min-width:0;display:grid;grid-template-columns:minmax(58px,.7fr) minmax(108px,1.3fr) repeat(4,minmax(70px,1fr)) minmax(52px,.7fr) minmax(76px,.9fr) minmax(62px,.8fr) 52px;align-items:stretch;gap:4px}
.site-header .nav-link{min-width:0;min-height:60px;padding:7px 4px;box-sizing:border-box;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;border:1px solid transparent;border-radius:13px;color:#d9e0f2;text-align:center;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease}
.site-header .nav-link i{width:23px;height:20px;margin:0;display:inline-flex;align-items:center;justify-content:center;color:#d4dced;font-size:15px;line-height:20px;transition:color .2s ease,transform .2s ease}
.site-header .nav-link span{width:100%;min-height:27px;margin:0;display:flex;align-items:flex-start;justify-content:center;font-size:11px;font-weight:700;line-height:13px;letter-spacing:-.1px;text-align:center;white-space:normal;overflow-wrap:normal;word-break:normal}
.site-header .nav-link-publicaciones span{max-width:104px;font-size:10.5px;line-height:12px}.site-header .nav-link-publicaciones i,.site-header .nav-link-aula i{color:#9eb9ff}.site-header .nav-link-aula span{max-width:74px}
.site-header .nav-link:hover,.site-header .nav-link:focus-visible{color:#fff;background:rgba(255,255,255,.075);border-color:rgba(255,255,255,.08);box-shadow:0 7px 17px rgba(0,0,0,.16);transform:translateY(-2px);outline:none}.site-header .nav-link:hover i,.site-header .nav-link:focus-visible i{color:#fff;transform:scale(1.08)}
.site-header .nav-link.active,.site-header .nav-link.is-active,.site-header .nav-link[aria-current="page"]{color:#fff;background:linear-gradient(145deg,rgba(105,113,187,.27),rgba(65,83,161,.19));border-color:rgba(170,185,255,.1);box-shadow:inset 0 0 0 1px rgba(255,255,255,.025),0 6px 18px rgba(0,0,0,.13)}
.site-header .nav-actions{min-width:0;margin:0;display:flex;align-items:center;justify-content:center}.site-header .theme-toggle{width:48px;min-width:48px;height:48px;padding:0;display:inline-flex;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.15);border-radius:50%;color:#fff;background:rgba(255,255,255,.04);font-size:13px;cursor:pointer;transition:.2s ease}.site-header .theme-toggle:hover{background:rgba(255,255,255,.1);transform:translateY(-2px)}
@media(max-width:1250px){.site-header .header-inner{width:calc(100% - 16px);gap:5px}.site-header .brand{width:132px;min-width:132px;gap:6px}.site-header .brand-logo{width:35px;height:35px}.site-header .brand-text{font-size:13.5px}.site-header .nav{grid-template-columns:minmax(52px,.7fr) minmax(96px,1.2fr) repeat(4,minmax(61px,1fr)) minmax(48px,.7fr) minmax(68px,.9fr) minmax(56px,.8fr) 45px;gap:2px}.site-header .nav-link{min-height:57px;padding-inline:2px}.site-header .nav-link i{font-size:14px}.site-header .nav-link span{font-size:10px;line-height:12px}.site-header .nav-link-publicaciones span{font-size:9.5px;line-height:11.5px}.site-header .theme-toggle{width:43px;min-width:43px;height:43px}}
@media(max-width:980px){.site-header .header-inner{min-height:65px;flex-wrap:wrap;padding:9px 0}.site-header .brand{width:auto;min-width:0}.site-header .brand-logo{width:38px;height:38px}.site-header .brand-text{font-size:15px}.site-header .mobile-toggle{margin-left:auto;display:inline-flex;align-items:center;justify-content:center}.site-header .nav{display:none;flex:1 0 100%;width:100%;padding:10px 0 7px;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}.site-header .nav.open,.site-header .nav.is-open,.site-header .nav[data-open="true"]{display:grid}.site-header .nav-link,.site-header .nav-link-publicaciones,.site-header .nav-link-aula{width:100%;min-height:48px;padding:9px 12px;flex-direction:row;align-items:center;justify-content:flex-start;gap:11px;border-radius:11px}.site-header .nav-link i{flex:0 0 25px;width:25px;height:21px;font-size:16px}.site-header .nav-link span,.site-header .nav-link-publicaciones span,.site-header .nav-link-aula span{width:auto;max-width:none;min-height:0;display:block;font-size:13px;line-height:17px;text-align:left}.site-header .nav-actions{justify-content:flex-start}}
@media(max-width:560px){.site-header .nav{grid-template-columns:1fr}.site-header .nav-actions{justify-content:center}}
@media(prefers-reduced-motion:reduce){.site-header .nav-link,.site-header .nav-link i,.site-header .theme-toggle{transition:none}}
/* Iconos de tema profesionales */
.site-header .theme-toggle{position:relative;overflow:hidden;gap:3px}.site-header .theme-icon{display:inline-flex;align-items:center;justify-content:center;font-size:12px;transition:transform .2s ease,color .2s ease}.site-header .theme-icon--moon{color:#c7d7ff}.site-header .theme-icon--sun{color:#ffd34f}.site-header .nav-link[aria-label="Publicaciones Academicas"] i{color:#9bb9ff}.site-header .nav-link[aria-label="Recursos educativos"] i{color:#b8c8ff}.site-header .nav-link[aria-label="Area de docentes"] i{color:#a9d3ff}.site-header .nav-link[aria-label="Area de estudiantes"] i{color:#b8c5ff}.site-header .nav-link[aria-label="Noticias"] i{color:#b9d6ff}.site-header .nav-link[aria-label="Blog educativo"] i{color:#b7c5f4}.site-header .nav-link[aria-label="Aula Virtual"] i{color:#a9c8ff}.site-header .nav-link[aria-label="Juegos educativos"] i{color:#c4caff}