html {
    font-size: calc(16px * var(--ui-scale, 1));
}

html, body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    -webkit-font-smoothing: antialiased;
    overscroll-behavior: none;
}

.nav-desktop-only {
    display: none !important;
}

@media (min-width: 900px) {
    .nav-desktop-only {
        display: flex !important;
    }

    .nav-mobile-only {
        display: none !important;
    }
}

html.mode-tv .nav-desktop-only {
    display: flex !important;
}

html.mode-tv .nav-mobile-only {
    display: none !important;
}

/* Cabecera flotante de Inicio en móvil (logo + ajustes) */
.home-topbar {
    position: absolute;
    top: env(safe-area-inset-top);
    left: 0;
    right: 0;
    z-index: 4;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--sp-3) var(--gutter);
}

.home-topbar .brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 800;
    color: var(--text);
    font-size: var(--fs-lg);
}

.home-topbar .brand img {
    width: 28px;
    height: 28px;
}

@media (min-width: 900px) {
    .home-topbar {
        display: none;
    }
}

html.mode-tv .home-topbar {
    display: none;
}

.page-home .page-content {
    padding-top: 0;
}

html.mode-tv, html.mode-tv body {
    cursor: none;
}

* {
    -webkit-tap-highlight-color: transparent;
}

[hidden] {
    display: none !important;
}

/* Framework7 fuerza width:100% en <button>; nuestros botones dimensionan por contenido. */
button {
    width: auto;
}

#app {
    background: var(--bg);
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    font-size: inherit;
}

img {
    max-width: 100%;
}

/* Splash mientras arranca el bundle */
.app-splash {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--sp-5);
    background: var(--bg);
    z-index: 20000;
    transition: opacity 300ms ease;
}

.app-splash.is-hidden {
    opacity: 0;
    pointer-events: none;
}

.app-splash-spinner,
.spinner {
    width: 32px;
    height: 32px;
    border: 3px solid rgba(255, 255, 255, 0.15);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.spinner.spinner-lg {
    width: 48px;
    height: 48px;
    border-width: 4px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Accesibilidad */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

:focus {
    outline: none;
}

:focus-visible,
.is-focused {
    outline: 3px solid var(--focus);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Layout de página: sin navbar F7; cada sección pinta su cabecera. */
.page-content {
    padding-bottom: calc(var(--nav-h) + env(safe-area-inset-bottom) + var(--sp-6));
    scrollbar-width: thin;
    scrollbar-color: #444 transparent;
}

.page-content::-webkit-scrollbar {
    width: 10px;
}

.page-content::-webkit-scrollbar-thumb {
    background: #444;
    border-radius: 6px;
    border: 2px solid var(--bg);
}

@media (min-width: 900px) {
    .page-content {
        padding-top: var(--nav-h);
        padding-bottom: var(--sp-8);
    }
}

.page.no-nav .page-content {
    padding-top: 0;
}

/* Navegación principal: tabbar inferior en móvil, barra superior en escritorio/TV. */
.appnav {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 5000;
    display: flex;
    align-items: stretch;
    justify-content: space-around;
    height: calc(var(--nav-h) + env(safe-area-inset-bottom));
    padding-bottom: env(safe-area-inset-bottom);
    background: rgba(20, 20, 20, 0.96);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid var(--border);
    transition: transform 240ms var(--ease), opacity 240ms var(--ease);
}

.appnav.is-hidden {
    transform: translateY(110%);
    opacity: 0;
    pointer-events: none;
}

.appnav-brand,
.appnav-right {
    display: none;
}

.appnav-links {
    display: flex;
    flex: 1;
    justify-content: space-around;
    align-items: stretch;
}

.appnav-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    flex: 1;
    color: var(--text-2);
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    border-radius: var(--radius);
    margin: 4px 2px;
    transition: color var(--dur), background var(--dur);
}

.appnav-link .mi {
    font-size: 24px;
}

.appnav-link.is-active {
    color: var(--text);
}

.appnav-link.is-active .mi {
    color: var(--accent);
}

.appnav-icon-btn {
    display: none;
}

@media (min-width: 900px) {
    .appnav {
        top: 0;
        bottom: auto;
        height: var(--nav-h);
        padding: 0 var(--gutter);
        justify-content: flex-start;
        gap: var(--sp-6);
        background: linear-gradient(180deg, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.55) 60%, rgba(0, 0, 0, 0) 100%);
        border-top: 0;
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
    }

    .appnav.is-scrolled {
        background: rgba(20, 20, 20, 0.97);
    }

    .appnav.is-hidden {
        transform: translateY(-110%);
    }

    .appnav-brand {
        display: flex;
        align-items: center;
        gap: var(--sp-2);
        font-weight: 800;
        font-size: var(--fs-lg);
        letter-spacing: -0.02em;
        color: var(--text);
        border-radius: var(--radius);
        padding: 4px 6px;
    }

    .appnav-brand img {
        width: 30px;
        height: 30px;
    }

    .appnav-links {
        flex: 0 1 auto;
        gap: var(--sp-2);
    }

    .appnav-link {
        flex-direction: row;
        flex: 0 0 auto;
        font-size: var(--fs-sm);
        padding: 8px 12px;
        margin: 0;
        gap: 6px;
    }

    .appnav-link .mi {
        display: none;
    }

    .appnav-link:hover {
        color: var(--text);
    }

    .appnav-link.is-active {
        color: var(--text);
        background: rgba(255, 255, 255, 0.08);
    }

    .appnav-link.is-active .mi {
        color: var(--text);
    }

    .appnav-right {
        display: flex;
        align-items: center;
        gap: var(--sp-2);
        margin-left: auto;
    }

    .appnav-icon-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        border-radius: 50%;
        color: var(--text);
        background: transparent;
        border: 0;
        cursor: pointer;
    }

    .appnav-icon-btn:hover {
        background: rgba(255, 255, 255, 0.1);
    }
}