/* ============================================================
   VR180 Portal — Estilos principales
   xr.servijaen.com
   ============================================================ */

/* ----- RESET Y BASE ----- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --color-bg:       #0a0a0f;
    --color-surface:  #13131a;
    --color-surface2: #1c1c26;
    --color-border:   #2a2a38;
    --color-primary:  #7c6fff;
    --color-primary-h:#9d8fff;
    --color-accent:   #00e5ff;
    --color-text:     #e4e4f0;
    --color-muted:    #8888a8;
    --color-error:    #f87171;
    --color-success:  #4ade80;
    --radius:         10px;
    --radius-sm:      6px;
    --shadow:         0 4px 24px rgba(0,0,0,.5);
    --transition:     .2s ease;
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main { flex: 1; }
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-primary-h); }
img { max-width: 100%; display: block; }

/* ----- HEADER ----- */
.site-header {
    background: rgba(10,10,15,.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: .9em 1.5em;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1em;
}

.logo {
    display: flex;
    align-items: center;
    gap: .4em;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-text);
    text-decoration: none;
}
.logo:hover { color: var(--color-primary-h); }
.logo-icon { font-size: 1.6rem; color: var(--color-primary); }
.logo-text strong { color: var(--color-primary); }

.nav-principal {
    display: flex;
    align-items: center;
    gap: 1.2em;
    flex-wrap: wrap;
}

.nav-principal a { color: var(--color-muted); font-size: .95rem; }
.nav-principal a:hover { color: var(--color-text); }

.btn-nav-subir {
    background: var(--color-primary) !important;
    color: #fff !important;
    padding: .4em .9em;
    border-radius: var(--radius-sm);
    font-weight: 600;
}
.btn-nav-subir:hover { background: var(--color-primary-h) !important; }

.btn-nav-registro {
    border: 1px solid var(--color-primary);
    padding: .35em .8em;
    border-radius: var(--radius-sm);
    color: var(--color-primary) !important;
}
.btn-nav-registro:hover { background: var(--color-primary); color: #fff !important; }

.nav-usuario { color: var(--color-muted); font-size: .9rem; }

/* ----- BOTONES ----- */
.btn-primario {
    display: inline-block;
    background: var(--color-primary);
    color: #fff;
    padding: .6em 1.4em;
    border-radius: var(--radius-sm);
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: background var(--transition), transform var(--transition);
    font-size: 1rem;
}
.btn-primario:hover { background: var(--color-primary-h); transform: translateY(-1px); color: #fff; }
.btn-primario:disabled { opacity: .6; cursor: not-allowed; transform: none; }

.btn-secundario {
    display: inline-block;
    background: var(--color-surface2);
    color: var(--color-text);
    padding: .55em 1.2em;
    border-radius: var(--radius-sm);
    font-size: .9rem;
    border: 1px solid var(--color-border);
    cursor: pointer;
    transition: background var(--transition);
}
.btn-secundario:hover { background: var(--color-border); color: var(--color-text); }

.btn-vr {
    display: inline-block;
    background: linear-gradient(135deg, #7c6fff, #00e5ff);
    color: #fff;
    padding: .7em 1.6em;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 1.05rem;
    border: none;
    cursor: pointer;
    transition: opacity var(--transition), transform var(--transition);
    animation: pulse-vr 2s infinite;
}
.btn-vr:hover { opacity: .9; transform: scale(1.03); color: #fff; }

@keyframes pulse-vr {
    0%, 100% { box-shadow: 0 0 0 0 rgba(124,111,255,.4); }
    50%       { box-shadow: 0 0 0 8px rgba(124,111,255,0); }
}

.btn-grande { font-size: 1.1rem; padding: .8em 2em; }
.btn-full   { width: 100%; text-align: center; display: block; }

/* ----- ALERTAS ----- */
.alerta {
    padding: .9em 1.2em;
    border-radius: var(--radius-sm);
    margin-bottom: 1.2em;
    font-size: .95rem;
}
.alerta-error  { background: rgba(248,113,113,.15); border: 1px solid var(--color-error); color: var(--color-error); }
.alerta-exito  { background: rgba(74,222,128,.12); border: 1px solid var(--color-success); color: var(--color-success); }

/* ----- HERO ----- */
.hero {
    background: linear-gradient(135deg, #0d0b1e 0%, #12102a 50%, #0a0f1e 100%);
    padding: 4em 1.5em;
    text-align: center;
    border-bottom: 1px solid var(--color-border);
}
.hero-content { max-width: 640px; margin: 0 auto; }
.hero h1 { font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 800; margin-bottom: .4em; line-height: 1.2; }
.hero h1 span { color: var(--color-primary); }
.hero p { color: var(--color-muted); font-size: 1.1rem; margin-bottom: 1.8em; }

.buscador {
    display: flex;
    max-width: 480px;
    margin: 0 auto;
    gap: 0;
}
.buscador input {
    flex: 1;
    padding: .75em 1em;
    background: var(--color-surface2);
    border: 1px solid var(--color-border);
    border-right: none;
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
    color: var(--color-text);
    font-size: 1rem;
    outline: none;
}
.buscador input:focus { border-color: var(--color-primary); }
.buscador button {
    padding: .75em 1.1em;
    background: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    cursor: pointer;
    font-size: 1.1rem;
    transition: background var(--transition);
}
.buscador button:hover { background: var(--color-primary-h); }

/* ----- GALERIA ----- */
.acciones { text-align: center; padding: 2em 1.5em 0; }

.galeria {
    max-width: 1280px;
    margin: 0 auto;
    padding: 2em 1.5em;
}
.galeria h2 {
    font-size: 1.3rem;
    margin-bottom: 1.5em;
    color: var(--color-muted);
    border-bottom: 1px solid var(--color-border);
    padding-bottom: .5em;
}
.limpiar-busqueda {
    font-size: .85rem;
    margin-left: .8em;
    color: var(--color-error);
}

.grid-videos {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
    gap: 1.2em;
}

.card-video {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
    display: block;
}
.card-video:hover {
    transform: translateY(-3px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow);
    color: inherit;
}

.card-thumb {
    position: relative;
    aspect-ratio: 16/9;
    background: var(--color-surface2);
    overflow: hidden;
}
.card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s ease;
}
.card-video:hover .card-thumb img { transform: scale(1.04); }

.thumb-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--color-primary);
    background: linear-gradient(135deg, #13131a, #1c1c26);
}

.badge-vr {
    position: absolute;
    top: .5em;
    left: .5em;
    background: var(--color-primary);
    color: #fff;
    font-size: .7rem;
    font-weight: 700;
    padding: .2em .55em;
    border-radius: 4px;
    letter-spacing: .05em;
}

.duracion {
    position: absolute;
    bottom: .4em;
    right: .4em;
    background: rgba(0,0,0,.8);
    color: #fff;
    font-size: .75rem;
    padding: .15em .5em;
    border-radius: 3px;
}

.card-info {
    padding: .8em 1em;
}
.card-info h3 {
    font-size: .92rem;
    font-weight: 600;
    margin-bottom: .4em;
    line-height: 1.35;
    color: var(--color-text);
}
.card-meta {
    display: flex;
    gap: .8em;
    font-size: .78rem;
    color: var(--color-muted);
    flex-wrap: wrap;
}

.sin-resultados {
    text-align: center;
    padding: 4em 2em;
    color: var(--color-muted);
    font-size: 1.1rem;
}

/* ----- PAGINACION ----- */
.paginacion {
    margin-top: 2.5em;
    display: flex;
    justify-content: center;
    gap: .4em;
    flex-wrap: wrap;
}
.paginacion a {
    padding: .45em .85em;
    background: var(--color-surface2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-muted);
    font-size: .9rem;
}
.paginacion a:hover, .paginacion a.activo {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

/* ----- WATCH PAGE ----- */
.pagina-watch { max-width: 1280px; margin: 0 auto; padding: 1.5em; }

.watch-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 1.5em;
    align-items: start;
}

@media (max-width: 900px) {
    .watch-layout { grid-template-columns: 1fr; }
}

.player-box {
    background: #000;
    border-radius: var(--radius);
    overflow: hidden;
}

.player-aviso {
    background: var(--color-surface2);
    padding: .7em 1em;
    font-size: .85rem;
    color: var(--color-muted);
    display: flex;
    align-items: center;
    gap: .6em;
    flex-wrap: wrap;
}

.player-botones {
    padding: .8em 1em;
    background: var(--color-surface);
    display: flex;
    gap: .8em;
    flex-wrap: wrap;
}

.aframe-controles {
    padding: .7em 1em;
    background: var(--color-surface);
}

.video-info {
    margin-top: 1.2em;
    padding: 1.2em;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}
.video-info h1 { font-size: 1.4rem; margin-bottom: .6em; }
.video-meta {
    display: flex;
    gap: 1em;
    font-size: .85rem;
    color: var(--color-muted);
    flex-wrap: wrap;
    margin-bottom: .8em;
}
.video-acciones-owner { margin: .8em 0; }
.video-descripcion { margin-top: 1em; }
.video-descripcion h2 { font-size: 1rem; color: var(--color-muted); margin-bottom: .4em; }
.video-descripcion p { font-size: .95rem; color: var(--color-text); line-height: 1.7; }

/* Sidebar relacionados */
.watch-sidebar { }
.watch-sidebar h3 {
    font-size: 1rem;
    margin-bottom: 1em;
    color: var(--color-muted);
    border-bottom: 1px solid var(--color-border);
    padding-bottom: .4em;
}
.card-mini {
    display: flex;
    gap: .7em;
    margin-bottom: .8em;
    text-decoration: none;
    color: inherit;
    transition: background var(--transition);
    border-radius: var(--radius-sm);
    padding: .4em;
}
.card-mini:hover { background: var(--color-surface2); }

.mini-thumb {
    position: relative;
    width: 100px;
    min-width: 100px;
    aspect-ratio: 16/9;
    background: var(--color-surface2);
    border-radius: 4px;
    overflow: hidden;
}
.mini-thumb img { width: 100%; height: 100%; object-fit: cover; }
.thumb-placeholder-mini {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .7rem;
    color: var(--color-primary);
}
.duracion-mini {
    position: absolute;
    bottom: 2px;
    right: 2px;
    background: rgba(0,0,0,.8);
    color: #fff;
    font-size: .65rem;
    padding: .1em .3em;
    border-radius: 2px;
}
.mini-info p { font-size: .82rem; line-height: 1.3; margin-bottom: .3em; color: var(--color-text); }
.mini-info span { font-size: .75rem; color: var(--color-muted); }

/* ----- UPLOAD PAGE ----- */
.pagina-upload {
    max-width: 700px;
    margin: 2em auto;
    padding: 0 1.5em 2em;
}
.pagina-upload h1 { font-size: 1.8rem; margin-bottom: 1.2em; }

.form-container { }

.campo {
    margin-bottom: 1.3em;
}
.campo label {
    display: block;
    font-size: .92rem;
    font-weight: 600;
    margin-bottom: .4em;
    color: var(--color-text);
}
.campo small { display: block; margin-top: .3em; font-size: .8rem; color: var(--color-muted); }
.requerido { color: var(--color-error); }

.campo input[type="text"],
.campo input[type="email"],
.campo input[type="password"],
.campo textarea {
    width: 100%;
    padding: .7em 1em;
    background: var(--color-surface2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-size: 1rem;
    font-family: inherit;
    outline: none;
    transition: border-color var(--transition);
}
.campo input:focus,
.campo textarea:focus { border-color: var(--color-primary); }
.campo textarea { resize: vertical; min-height: 90px; }

/* Drop zone */
.drop-zone {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius);
    padding: 2.5em 1.5em;
    text-align: center;
    cursor: pointer;
    transition: border-color var(--transition), background var(--transition);
    position: relative;
}
.drop-zone:hover, .drop-zone.drag-over {
    border-color: var(--color-primary);
    background: rgba(124,111,255,.06);
}
.drop-icon { font-size: 2.5rem; margin-bottom: .5em; }
.drop-zone p { color: var(--color-muted); font-size: .9rem; margin: .2em 0; }
.drop-zone .link { color: var(--color-primary); font-weight: 600; }
.drop-info { font-size: .8rem !important; }
.drop-zone input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
    width: 100%;
    height: 100%;
}

.archivo-info {
    margin-top: .5em;
    padding: .6em 1em;
    background: var(--color-surface2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: .88rem;
    color: var(--color-success);
}

/* Diagrama VR180 */
.info-vr180-box {
    background: var(--color-surface2);
    border: 1px solid var(--color-border);
    border-left: 3px solid var(--color-primary);
    border-radius: var(--radius-sm);
    padding: 1em 1.2em;
    margin-bottom: 1.5em;
}
.info-vr180-box h3 { font-size: .9rem; margin-bottom: .5em; color: var(--color-primary); }
.info-vr180-box p  { font-size: .85rem; color: var(--color-muted); margin-bottom: .8em; }

.vr180-diagram {
    display: flex;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    overflow: hidden;
    height: 50px;
    font-size: .75rem;
    font-weight: 600;
}
.ojo-izq, .ojo-der {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text);
}
.ojo-izq { background: rgba(124,111,255,.2); border-right: 1px solid var(--color-primary); }
.ojo-der { background: rgba(0,229,255,.1); }

/* Progreso de subida */
.progreso-label { font-size: .9rem; color: var(--color-muted); margin-bottom: .4em; }
.progreso-bar {
    height: 8px;
    background: var(--color-surface2);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 1.2em;
}
#progreso-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    border-radius: 4px;
    width: 0%;
    transition: width .5s ease;
}

/* ----- AUTH PAGES ----- */
.pagina-auth { }
.auth-main {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2em 1.5em;
}
.auth-box {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 2.5em 2em;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow);
}
.auth-logo {
    font-size: 3rem;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: .4em;
}
.auth-box h1 { text-align: center; font-size: 1.6rem; margin-bottom: 1.4em; }
.auth-link { text-align: center; margin-top: 1.2em; font-size: .9rem; color: var(--color-muted); }

/* ----- FOOTER ----- */
.site-footer {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding: 1.5em;
    margin-top: 3em;
}
.footer-inner {
    max-width: 1280px;
    margin: 0 auto;
    text-align: center;
    color: var(--color-muted);
    font-size: .85rem;
}
.footer-info { margin-top: .3em; font-size: .8rem; }

/* ----- RESPONSIVE ----- */
@media (max-width: 600px) {
    .header-inner { padding: .7em 1em; }
    .nav-principal { gap: .7em; }
    .hero { padding: 2.5em 1em; }
    .grid-videos { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: .8em; }
    .pagina-upload { padding: 0 1em 2em; }
    .auth-box { padding: 1.8em 1.2em; }
}