/* ============================================================
   INDEX PRINCIPAL - ESTILOS GLOBALES
   ============================================================ */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}

/* ====== VARIABLES CSS (Modo Claro por defecto) ====== */
:root {
    --bg-body: #fef9f0;
    --bg-app: #ffffff;
    --bg-secundario: #f8f9fa;
    --bg-tarjeta: #f8f9fa;
    --bg-input: #ffffff;
    --texto-principal: #2d2d2d;
    --texto-secundario: #4a4a4a;
    --texto-claro: #6c6c6c;
    --borde: #f0e6d3;
    --borde-oscuro: #d4c4ae;
    --sombra: rgba(0, 0, 0, 0.1);
    --sombra-fuerte: rgba(0, 0, 0, 0.15);
    --modo-transicion: 0.3s ease;
}

/* ====== MODO OSCURO ====== */
body.modo-oscuro {
    --bg-body: #1a1a2e;
    --bg-app: #16213e;
    --bg-secundario: #1e2a4a;
    --bg-tarjeta: #1e2a4a;
    --bg-input: #2a3a5a;
    --texto-principal: #e8e8e8;
    --texto-secundario: #c0c0c0;
    --texto-claro: #9a9a9a;
    --borde: #2a3a5a;
    --borde-oscuro: #3a4a6a;
    --sombra: rgba(0, 0, 0, 0.3);
    --sombra-fuerte: rgba(0, 0, 0, 0.5);
}

body {
    font-family: 'Segoe UI', 'Comic Sans MS', 'Chalkboard SE', cursive, sans-serif;
    background: var(--bg-body);
    min-height: 100vh;
    padding: 20px;
    margin: 0;
    color: var(--texto-principal);
    transition: background var(--modo-transicion), color var(--modo-transicion);
}

#app {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    background: var(--bg-app);
    border-radius: 50px 50px 30px 30px;
    box-shadow: 0 20px 60px var(--sombra);
    padding: 30px 35px 40px;
    min-height: 100vh;
    border: 4px solid var(--borde);
    transition: background var(--modo-transicion), border-color var(--modo-transicion), box-shadow var(--modo-transicion);
}

/* ====== ANIMACIONES ====== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes popIn {
    0% { transform: scale(0.5); opacity: 0; }
    70% { transform: scale(1.1); }
    100% { transform: scale(1); opacity: 1; }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.fade-in {
    animation: fadeInUp 0.6s ease forwards;
}

/* ====== ENCABEZADO ====== */
.header-principal {
    text-align: center;
    padding: 20px 0 25px;
    border-bottom: 4px solid var(--borde);
    margin-bottom: 25px;
    transition: border-color var(--modo-transicion);
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.logo-emoji {
    font-size: 3.5rem;
    animation: float 3s ease-in-out infinite;
}

.header-principal h1 {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--texto-principal);
    margin: 0;
    transition: color var(--modo-transicion);
}

.slogan {
    font-size: 1.3rem;
    color: var(--texto-secundario);
    margin-top: 8px;
    font-weight: 500;
    transition: color var(--modo-transicion);
}

/* ====== CONTROLES DE CONFIGURACIÓN ====== */
.controles-configuracion {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 15px;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 2px solid var(--borde);
    transition: border-color var(--modo-transicion);
}

.btn-config {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: 40px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    background: var(--bg-secundario);
    color: var(--texto-principal);
    box-shadow: 0 2px 8px var(--sombra);
    min-height: 45px;
}

.btn-config:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--sombra-fuerte);
}

.btn-config:active {
    transform: translateY(0px);
}

.selector-voz {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-secundario);
    padding: 5px 15px 5px 20px;
    border-radius: 40px;
    box-shadow: 0 2px 8px var(--sombra);
    transition: background var(--modo-transicion);
}

.label-voz {
    font-size: 1rem;
    font-weight: 600;
    color: var(--texto-secundario);
    transition: color var(--modo-transicion);
}

.select-voz {
    padding: 8px 15px;
    border: 2px solid var(--borde-oscuro);
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 500;
    background: var(--bg-input);
    color: var(--texto-principal);
    cursor: pointer;
    transition: all var(--modo-transicion);
    min-width: 140px;
    outline: none;
}

.select-voz:focus {
    border-color: #6C5CE7;
    box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.2);
}

.select-voz option {
    background: var(--bg-app);
    color: var(--texto-principal);
}

/* ====== SECCIONES ====== */
.seccion {
    margin-bottom: 35px;
    width: 100%;
}

.seccion h2 {
    font-size: 2rem;
    font-weight: 600;
    color: var(--texto-principal);
    margin-bottom: 20px;
    text-align: center;
    transition: color var(--modo-transicion);
}

/* ====== TARJETAS DE RESUMEN ====== */
.tarjetas-resumen {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
}

.tarjeta-resumen {
    border-radius: 25px;
    padding: 25px 20px;
    text-align: center;
    box-shadow: 0 8px 0 rgba(0, 0, 0, 0.1);
    transition: transform 0.2s;
    color: white;
}

.tarjeta-resumen:hover {
    transform: translateY(-5px);
}

.tarjeta-resumen .icono {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 5px;
}

.tarjeta-resumen .valor {
    font-size: 2.5rem;
    font-weight: 700;
    display: block;
}

.tarjeta-resumen .etiqueta {
    font-size: 1rem;
    opacity: 0.9;
    display: block;
    margin-top: 5px;
}

/* ====== GRID DE MÓDULOS ====== */
.grid-modulos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.tarjeta-modulo {
    background: var(--bg-tarjeta);
    border-radius: 30px;
    padding: 25px 20px 20px;
    text-align: center;
    border: 4px solid var(--borde);
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    text-decoration: none;
    color: var(--texto-principal);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    box-shadow: 0 4px 0 var(--sombra);
}

.tarjeta-modulo:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px var(--sombra-fuerte);
    border-color: var(--borde-oscuro);
}

.tarjeta-modulo:active {
    transform: translateY(0px);
    box-shadow: 0 4px 0 var(--sombra);
}

.tarjeta-modulo .modulo-emoji {
    font-size: 3.5rem;
    display: block;
    margin-bottom: 5px;
}

.tarjeta-modulo .modulo-numero {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--texto-claro);
    background: var(--bg-secundario);
    padding: 3px 12px;
    border-radius: 20px;
    transition: background var(--modo-transicion), color var(--modo-transicion);
}

.tarjeta-modulo .modulo-titulo {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--texto-principal);
    margin: 5px 0;
    transition: color var(--modo-transicion);
}

.tarjeta-modulo .modulo-descripcion {
    font-size: 0.95rem;
    color: var(--texto-secundario);
    line-height: 1.4;
    flex: 1;
    transition: color var(--modo-transicion);
}

.tarjeta-modulo .modulo-progreso {
    width: 100%;
    margin-top: 10px;
}

.tarjeta-modulo .barra-progreso {
    width: 100%;
    height: 8px;
    background: var(--bg-secundario);
    border-radius: 20px;
    overflow: hidden;
    margin-top: 5px;
    transition: background var(--modo-transicion);
}

.tarjeta-modulo .barra-progreso .relleno {
    height: 100%;
    border-radius: 20px;
    transition: width 0.5s ease;
    background: #00B894;
}

.tarjeta-modulo .modulo-estado {
    font-size: 0.85rem;
    font-weight: 600;
    margin-top: 5px;
}

.tarjeta-modulo .modulo-estado.completado {
    color: #00B894;
}

.tarjeta-modulo .modulo-estado.en-progreso {
    color: #FDCB6E;
}

.tarjeta-modulo .modulo-estado.pendiente {
    color: #e74c3c;
}

.tarjeta-modulo .modulo-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    font-size: 1.5rem;
}

/* ====== ACCESO RÁPIDO ====== */
.acceso-rapido {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.boton-panel {
    font-size: 1.3rem;
    padding: 18px 40px;
    border: none;
    border-radius: 60px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 6px 0 rgba(0, 0, 0, 0.15);
    color: white;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    min-height: 65px;
    min-width: 200px;
    text-shadow: 0 2px 0 rgba(0, 0, 0, 0.1);
}

.boton-panel:hover {
    transform: translateY(4px);
    box-shadow: 0 2px 0 rgba(0, 0, 0, 0.15);
}

.boton-panel:active {
    transform: translateY(6px);
    box-shadow: 0 0px 0 rgba(0, 0, 0, 0.15);
}

/* ====== FOOTER ====== */
.footer-principal {
    text-align: center;
    padding-top: 25px;
    border-top: 4px solid var(--borde);
    margin-top: 10px;
    transition: border-color var(--modo-transicion);
}

.footer-principal p {
    font-size: 1.2rem;
    color: var(--texto-secundario);
    margin-bottom: 5px;
    transition: color var(--modo-transicion);
}

.footer-nota {
    font-size: 0.9rem !important;
    color: var(--texto-claro) !important;
}

/* ====== MODAL ====== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    backdrop-filter: blur(6px);
    padding: 20px;
}

.modal-contenido {
    background: var(--bg-app);
    max-width: 450px;
    width: 100%;
    padding: 35px 30px;
    border-radius: 50px;
    box-shadow: 0 25px 50px var(--sombra-fuerte);
    position: relative;
    border: 4px solid #F7DC6F;
    text-align: center;
    transition: background var(--modo-transicion);
}

.cerrar-modal {
    position: absolute;
    top: 15px;
    right: 25px;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--texto-claro);
    cursor: pointer;
    transition: 0.2s;
    line-height: 1;
}

.cerrar-modal:hover {
    color: var(--texto-principal);
    transform: scale(1.2);
}

.modal-contenido .modal-icono {
    font-size: 4rem;
    margin-bottom: 15px;
}

.modal-contenido .modal-titulo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--texto-principal);
    margin-bottom: 10px;
    transition: color var(--modo-transicion);
}

.modal-contenido .modal-texto {
    font-size: 1.2rem;
    color: var(--texto-secundario);
    line-height: 1.6;
    transition: color var(--modo-transicion);
}

.modal-contenido .modal-boton {
    margin-top: 20px;
    font-size: 1.2rem;
    padding: 12px 30px;
    border: none;
    border-radius: 60px;
    font-weight: 700;
    cursor: pointer;
    background: #00B894;
    color: white;
    box-shadow: 0 4px 0 #00876C;
    transition: all 0.2s ease;
}

.modal-contenido .modal-boton:hover {
    transform: translateY(2px);
    box-shadow: 0 2px 0 #00876C;
}

/* ====== MEDIA QUERIES ====== */
@media (max-width: 768px) {
    #app {
        padding: 20px 15px 30px;
        border-radius: 30px;
    }

    .header-principal h1 {
        font-size: 2rem;
    }

    .logo-emoji {
        font-size: 2.8rem;
    }

    .slogan {
        font-size: 1.1rem;
    }

    .seccion h2 {
        font-size: 1.6rem;
    }

    .tarjetas-resumen {
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
        gap: 15px;
    }

    .tarjeta-resumen .valor {
        font-size: 2rem;
    }

    .grid-modulos {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        gap: 15px;
    }

    .tarjeta-modulo .modulo-emoji {
        font-size: 2.8rem;
    }

    .tarjeta-modulo .modulo-titulo {
        font-size: 1.1rem;
    }

    .tarjeta-modulo .modulo-descripcion {
        font-size: 0.85rem;
    }

    .boton-panel {
        font-size: 1.1rem;
        padding: 15px 30px;
        min-height: 55px;
        min-width: 160px;
    }

    .footer-principal p {
        font-size: 1rem;
    }

    .controles-configuracion {
        flex-direction: column;
        align-items: center;
    }

    .btn-config {
        width: 100%;
        justify-content: center;
    }

    .selector-voz {
        width: 100%;
        justify-content: center;
        padding: 8px 15px;
        flex-wrap: wrap;
    }

    .select-voz {
        min-width: 120px;
        flex: 1;
    }

    .modal-contenido {
        padding: 25px 20px;
        border-radius: 30px;
    }

    .modal-contenido .modal-titulo {
        font-size: 1.4rem;
    }

    .modal-contenido .modal-texto {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    #app {
        padding: 15px 10px 20px;
        border-radius: 20px;
    }

    .header-principal h1 {
        font-size: 1.6rem;
    }

    .logo-emoji {
        font-size: 2.2rem;
    }

    .slogan {
        font-size: 0.95rem;
    }

    .seccion h2 {
        font-size: 1.3rem;
    }

    .tarjetas-resumen {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }

    .tarjeta-resumen {
        padding: 15px 10px;
        border-radius: 15px;
    }

    .tarjeta-resumen .icono {
        font-size: 1.8rem;
    }

    .tarjeta-resumen .valor {
        font-size: 1.5rem;
    }

    .tarjeta-resumen .etiqueta {
        font-size: 0.8rem;
    }

    .grid-modulos {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .tarjeta-modulo {
        padding: 15px 10px;
        border-radius: 20px;
    }

    .tarjeta-modulo .modulo-emoji {
        font-size: 2.2rem;
    }

    .tarjeta-modulo .modulo-titulo {
        font-size: 0.95rem;
    }

    .tarjeta-modulo .modulo-descripcion {
        font-size: 0.75rem;
    }

    .tarjeta-modulo .modulo-numero {
        font-size: 0.65rem;
        padding: 2px 8px;
    }

    .tarjeta-modulo .modulo-estado {
        font-size: 0.7rem;
    }

    .boton-panel {
        font-size: 0.95rem;
        padding: 12px 20px;
        min-height: 45px;
        min-width: 130px;
    }

    .footer-principal p {
        font-size: 0.9rem;
    }

    .footer-nota {
        font-size: 0.75rem !important;
    }

    .btn-config {
        font-size: 0.85rem;
        padding: 8px 15px;
        min-height: 38px;
    }

    .selector-voz {
        padding: 5px 10px;
        gap: 5px;
    }

    .label-voz {
        font-size: 0.85rem;
    }

    .select-voz {
        font-size: 0.85rem;
        padding: 6px 10px;
        min-width: 100px;
    }

    .modal-contenido {
        padding: 20px 15px;
        border-radius: 20px;
    }

    .modal-contenido .modal-icono {
        font-size: 3rem;
    }

    .modal-contenido .modal-titulo {
        font-size: 1.2rem;
    }

    .modal-contenido .modal-texto {
        font-size: 0.9rem;
    }

    .modal-contenido .modal-boton {
        font-size: 1rem;
        padding: 10px 20px;
    }
}

/* ====== UTILIDADES ====== */
.text-center {
    text-align: center;
}

.mt-10 {
    margin-top: 10px;
}

.mb-10 {
    margin-bottom: 10px;
}