/* ==========================================================================
   ESTILOS GENERALES Y PALETA DE COLORES - HEAVY METAL
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Montserrat', sans-serif;
    -webkit-tap-highlight-color: transparent;
}

:root {
    --color-principal: #ff0033; /* Rojo Fuego Metalero */
    --color-secundario: #990000;
    --color-acento: #ff3300;
    --color-oscuro: #0a0a0c;
    --color-tarjeta: rgba(18, 18, 24, 0.96);
    --color-blanco: #ffffff;
    --color-gris-texto: #c0c0c0;
    --color-whatsapp: #25d366;
    --font-metal: 'Metal Mania', cursive, sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    width: 100%;
    min-height: 100vh;
    background-color: var(--color-oscuro);
    color: var(--color-blanco);
    overflow-x: hidden;
}

.container {
    width: 92%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 10px 0;
}

/* ==========================================================================
   VIDEO Y EFECTOS DE FONDO
   ========================================================================== */
.video-background-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: -2;
    overflow: hidden;
    pointer-events: none;
}

.bg-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
}

.bg-video.active-video {
    opacity: 0.35;
}

.video-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: radial-gradient(circle, rgba(10, 10, 12, 0.75) 0%, rgba(5, 5, 8, 0.98) 100%);
    z-index: -1;
    pointer-events: none;
}

/* ==========================================================================
   BARRA DE NAVEGACIÓN Y LOGO METÁLICO
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(10, 10, 12, 0.96);
    backdrop-filter: blur(12px);
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    border-bottom: 2px solid rgba(255, 0, 51, 0.4);
    box-shadow: 0 4px 25px rgba(255, 0, 51, 0.25);
}

.logo {
    font-size: clamp(1.2rem, 2.5vw, 1.6rem);
    font-family: var(--font-metal);
    letter-spacing: 2px;
    color: var(--color-blanco);
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 10px;
    text-shadow: 0 0 10px var(--color-principal);
}

.logo i {
    color: var(--color-principal);
}

.menu-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--color-principal);
    font-size: 1.6rem;
    cursor: pointer;
}

.nav-menu {
    display: flex;
    gap: 12px;
}

.nav-menu .nav-link {
    color: var(--color-gris-texto);
    text-decoration: none;
    padding: 8px 14px;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 1.2px;
    border-radius: 4px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.nav-menu .nav-link:hover,
.nav-menu .nav-link.active {
    color: #ffffff;
    background-color: rgba(255, 0, 51, 0.2);
    border-color: var(--color-principal);
    box-shadow: 0 0 12px rgba(255, 0, 51, 0.4);
}

/* ==========================================================================
   ESTILOS DE SECCIONES GENERALES
   ========================================================================== */
.sections-wrapper {
    position: relative;
    width: 100%;
    padding-top: 75px;
}

.section-panel {
    display: flex;
    width: 100%;
    min-height: calc(100vh - 75px);
    padding: 60px 20px;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-family: var(--font-metal);
    text-align: center;
    text-transform: uppercase;
    margin-bottom: 10px;
    letter-spacing: 3px;
    color: var(--color-blanco);
    text-shadow: 0 0 15px var(--color-principal);
}

.section-subtitle {
    text-align: center;
    color: var(--color-gris-texto);
    margin-bottom: 35px;
    font-size: 0.95rem;
}

.section-title::after {
    content: '';
    display: block;
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-principal), transparent);
    margin: 10px auto 0 auto;
    border-radius: 2px;
}

/* ==========================================================================
   SECCIÓN 1: INICIO (HERO)
   ========================================================================== */
#inicio { text-align: center; }

.metal-title {
    font-family: var(--font-metal);
    font-size: clamp(2.8rem, 8vw, 5.5rem);
    letter-spacing: 4px;
    color: #ffffff;
    text-shadow: 0 0 25px var(--color-principal), 0 0 50px rgba(255, 0, 51, 0.5);
    margin-bottom: 15px;
}

.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(255, 0, 51, 0.15);
    border: 1px solid var(--color-principal);
    color: var(--color-principal);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 1.5px;
    margin-bottom: 20px;
}

.subtitle {
    font-size: clamp(1rem, 2.5vw, 1.3rem);
    color: var(--color-gris-texto);
    margin-bottom: 30px;
    max-width: 800px;
}

.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 30px;
    font-weight: 800;
    text-transform: uppercase;
    border-radius: 4px;
    letter-spacing: 1.5px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-principal), var(--color-secundario));
    color: #fff;
    box-shadow: 0 0 20px rgba(255, 0, 51, 0.4);
}

.btn-secondary {
    background: transparent;
    border: 2px solid var(--color-blanco);
    color: #fff;
}

.btn-primary:hover, .btn-secondary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 30px var(--color-principal);
}

/* ==========================================================================
   SECCIÓN 2: LA BANDA (INTEGRANTES)
   ========================================================================== */
.band-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
    width: 100%;
    margin-top: 30px;
}

.member-card {
    background-color: var(--color-tarjeta);
    border: 1px solid rgba(255, 0, 51, 0.3);
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    transition: all 0.3s ease;
}

.member-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-principal);
    box-shadow: 0 10px 30px rgba(255, 0, 51, 0.3);
}

.member-img-box {
    width: 100%;
    height: 320px;
    overflow: hidden;
    position: relative;
}

.member-img-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(30%);
    transition: transform 0.5s ease, filter 0.5s ease;
}

.member-card:hover .member-img-box img {
    transform: scale(1.08);
    filter: grayscale(0%);
}

.member-info {
    padding: 20px;
}

.member-role {
    display: inline-block;
    color: var(--color-principal);
    font-weight: 800;
    font-size: 0.8rem;
    text-transform: uppercase;
    margin-bottom: 5px;
}

.member-info h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    color: #fff;
}

.member-info p {
    color: var(--color-gris-texto);
    font-size: 0.85rem;
    line-height: 1.6;
}

/* ==========================================================================
   SECCIÓN 3: GALERÍAS
   ========================================================================== */
.gallery-input-hidden { display: none !important; }

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    width: 100%;
}

.gallery-item {
    width: 100%;
    height: 320px;
    perspective: 1000px;
    cursor: pointer;
}

.neon-border-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: 12px;
    background: #000;
    overflow: hidden;
}

.card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    transition: transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.gallery-item:hover .card-inner { transform: rotateY(180deg); }

.card-front, .card-back {
    position: absolute;
    inset: 0;
    backface-visibility: hidden;
    border-radius: 12px;
    overflow: hidden;
}

.card-video-content {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(70%);
}

.gallery-info {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.95));
    padding: 20px;
    text-align: center;
}

.card-back {
    transform: rotateY(180deg);
    background: #121218;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 25px;
    text-align: center;
    border: 2px solid var(--color-principal);
}

.btn-gallery-trigger {
    display: inline-block;
    margin-top: 15px;
    padding: 10px 20px;
    border: 1px solid var(--color-principal);
    color: #fff;
    cursor: pointer;
    text-transform: uppercase;
    font-size: 0.8rem;
    font-weight: 800;
}

.sub-gallery-wrapper { display: none; width: 100%; }

.expanded-gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
    width: 100%;
    margin-top: 20px;
}

.sub-gallery-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--color-principal);
    padding-bottom: 15px;
}

#tab-home:checked ~ .main-view { display: grid; }
#tab-conciertos:checked ~ .main-view,
#tab-ensayos:checked ~ .main-view,
#tab-amigos:checked ~ .main-view { display: none; }

#tab-conciertos:checked ~ .view-conciertos { display: block; }
#tab-ensayos:checked ~ .view-ensayos { display: block; }
#tab-amigos:checked ~ .view-amigos { display: block; }

/* ==========================================================================
   SECCIÓN 4 Y 5: MÚSICA Y VIDEO (YOUTUBE)
   ========================================================================== */
.media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    width: 100%;
}

.media-card {
    background-color: var(--color-tarjeta);
    border: 1px solid rgba(255, 0, 51, 0.3);
    border-radius: 8px;
    overflow: hidden;
    position: relative;
}

.media-frame-box {
    width: 100%;
    aspect-ratio: 16 / 9;
    background-color: #000;
}

.media-frame-box iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.media-details {
    padding: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* ==========================================================================
   CHAT FLOTANTE PÚBLICO - SIEMPRE VISIBLE POR DEFECTO
   ========================================================================== */
.floating-chat-widget {
    position: fixed;
    bottom: 25px;
    right: 25px;
    z-index: 1500;
}

.chat-trigger-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--color-principal);
    color: white;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 0 20px rgba(255, 0, 51, 0.6);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chat-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: #fff;
    color: #000;
    font-size: 0.7rem;
    font-weight: 900;
    padding: 3px 7px;
    border-radius: 10px;
}

/* LA VENTANA ESTÁ VISIBLE POR DEFECTO */
.chat-window {
    display: flex;
    position: absolute;
    bottom: 75px;
    right: 0;
    width: 340px;
    height: 450px;
    background-color: var(--color-tarjeta);
    border: 2px solid var(--color-principal);
    border-radius: 12px;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.95);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.chat-window.hidden {
    display: none !important;
}

.chat-header {
    background-color: rgba(255, 0, 51, 0.25);
    padding: 12px 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--color-principal);
    font-weight: 800;
}

.chat-close-btn {
    background: transparent;
    border: none;
    color: #fff;
    font-size: 1.4rem;
    cursor: pointer;
}

.chat-body {
    flex: 1;
    padding: 12px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.chat-msg {
    background: rgba(255, 255, 255, 0.05);
    padding: 8px 12px;
    border-radius: 8px;
    border-left: 3px solid var(--color-principal);
    font-size: 0.82rem;
    position: relative;
}

.chat-msg.admin-msg {
    border-left-color: #00f0ff;
    background: rgba(0, 240, 255, 0.08);
}

.chat-msg-author {
    font-weight: 800;
    color: var(--color-principal);
    margin-bottom: 3px;
    display: flex;
    justify-content: space-between;
}

.chat-msg.admin-msg .chat-msg-author { color: #00f0ff; }

.btn-delete-msg {
    color: #ff4d4d;
    cursor: pointer;
    font-size: 0.75rem;
}

.chat-footer {
    padding: 10px;
    background-color: #0a0a0c;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.chat-footer input {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 0, 51, 0.3);
    color: #fff;
    padding: 8px;
    border-radius: 4px;
    font-size: 0.8rem;
}

.chat-input-row {
    display: flex;
    gap: 6px;
}

.chat-input-row input { flex: 1; }

.chat-input-row button {
    background: var(--color-principal);
    border: none;
    color: #fff;
    padding: 0 14px;
    border-radius: 4px;
    cursor: pointer;
}

/* ==========================================================================
   PANEL ADMINISTRADOR Y MODALES
   ========================================================================== */
.admin-panel-floating {
    position: fixed;
    bottom: 95px;
    right: 25px;
    z-index: 1001;
}

.btn-gear-floating {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: #0a0a0c;
    border: 2px solid var(--color-principal);
    color: var(--color-principal);
    font-size: 1.3rem;
    cursor: pointer;
}

.gear-icon-rotating { animation: spinGear 6s linear infinite; }

@keyframes spinGear {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.admin-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(8px);
    z-index: 2000;
    justify-content: center;
    align-items: center;
}

.admin-modal.active { display: flex; }

.admin-modal-content {
    background-color: var(--color-tarjeta);
    border: 2px solid var(--color-principal);
    padding: 25px;
    border-radius: 12px;
    width: 90%;
    max-width: 480px;
}

/* ESTILOS DE LA LISTA DE MENSAJES EN EL MODAL DE ADMINISTRACIÓN */
.admin-comments-container {
    max-height: 320px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 10px;
    padding-right: 5px;
}

.admin-comment-item {
    background: #141419;
    border: 1px solid rgba(255, 0, 51, 0.3);
    border-radius: 8px;
    padding: 10px 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
}

.admin-comment-info {
    flex: 1;
    font-size: 0.82rem;
}

.admin-comment-info strong {
    color: var(--color-principal);
    display: block;
    margin-bottom: 2px;
}

.admin-comment-info p {
    color: var(--color-gris-texto);
    line-height: 1.3;
}

.btn-delete-admin-comment {
    background: #ff3300;
    color: #fff;
    border: none;
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.75rem;
    font-weight: 800;
    transition: background 0.2s ease;
}

.btn-delete-admin-comment:hover {
    background: #ff0000;
}

.form-group { margin-bottom: 15px; }

.form-group input, 
.form-group select, 
.form-group textarea {
    width: 100%;
    padding: 12px;
    background: #141419;
    border: 1px solid rgba(255, 0, 51, 0.5);
    border-radius: 6px;
    color: #ffffff;
    font-size: 0.9rem;
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #888899;
}

.form-group input:focus, 
.form-group select:focus, 
.form-group textarea:focus {
    border-color: var(--color-principal);
    box-shadow: 0 0 10px rgba(255, 0, 51, 0.4);
}

.form-group select {
    background-color: #141419;
    color: #ffffff;
    cursor: pointer;
}

.form-group select option {
    background-color: #0d0d12 !important;
    color: #ffffff !important;
    padding: 10px;
}

.form-group select optgroup {
    background-color: #1a1a24 !important;
    color: var(--color-principal) !important;
    font-weight: 800;
}

.form-group input[type="file"] {
    background: #141419;
    color: #ffffff;
    border: 1px dashed rgba(255, 0, 51, 0.5);
    cursor: pointer;
}

.btn-back {
    padding: 12px;
    background: #1a1a24;
    border: 1px solid var(--color-principal);
    color: #ffffff;
    font-weight: 700;
    border-radius: 6px;
    cursor: pointer;
    text-transform: uppercase;
    transition: all 0.3s ease;
}

.btn-back:hover {
    background: var(--color-principal);
    color: #ffffff;
}

.btn-primary-form {
    width: 100%;
    padding: 12px;
    background: var(--color-principal);
    border: none;
    color: #fff;
    font-weight: 800;
    text-transform: uppercase;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary-form:hover {
    box-shadow: 0 0 15px rgba(255, 0, 51, 0.6);
}

.btn-choice-option {
    width: 100%;
    padding: 12px;
    margin-bottom: 10px;
    background: var(--color-principal);
    border: none;
    color: #fff;
    font-weight: 800;
    border-radius: 6px;
    cursor: pointer;
}

.btn-choice-secondary { background: transparent; border: 1px solid #fff; }
.btn-choice-danger { background: transparent; border: 1px solid #ff4d4d; color: #ff4d4d; }

/* FOOTER Y CONTACTO */
.horizontal-footer {
    width: 100%;
    text-align: center;
    padding-top: 30px;
    margin-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.motivation-phrase {
    font-family: var(--font-metal);
    font-size: 1.4rem;
    color: var(--color-principal);
    letter-spacing: 2px;
}

.btn-whatsapp-section {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: var(--color-whatsapp);
    color: #fff;
    padding: 12px 26px;
    text-decoration: none;
    font-weight: 800;
    border-radius: 25px;
    margin-top: 15px;
}