/* Estilos generales responsive */
:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
}

/* Estilos base */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
}

/* Contenedores responsive */
.container {
    width: 100%;
    padding-right: 15px;
    padding-left: 15px;
    margin-right: auto;
    margin-left: auto;
}

@media (min-width: 576px) {
    .container {
        max-width: 540px;
    }
}

@media (min-width: 768px) {
    .container {
        max-width: 720px;
    }
}

@media (min-width: 992px) {
    .container {
        max-width: 960px;
    }
}

@media (min-width: 1200px) {
    .container {
        max-width: 1140px;
    }
}

/* Tablas responsive */
.table-responsive {
    display: block;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* Formularios responsive */
.form-group {
    margin-bottom: 1rem;
}

.form-control {
    width: 100%;
    padding: 0.375rem 0.75rem;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--dark-color);
    background-color: #fff;
    border: 1px solid #ced4da;
    border-radius: 0.25rem;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

/* Botones responsive */
.btn {
    display: inline-block;
    font-weight: 400;
    text-align: center;
    vertical-align: middle;
    cursor: pointer;
    border: 1px solid transparent;
    padding: 0.375rem 0.75rem;
    font-size: 1rem;
    line-height: 1.5;
    border-radius: 0.25rem;
    transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

/* Cards responsive */
.card {
    position: relative;
    display: flex;
    flex-direction: column;
    min-width: 0;
    word-wrap: break-word;
    background-color: #fff;
    background-clip: border-box;
    border: 1px solid rgba(0,0,0,.125);
    border-radius: 0.25rem;
    margin-bottom: 1rem;
}

/* Grid system responsive */
.row {
    display: flex;
    flex-wrap: wrap;
    margin-right: -15px;
    margin-left: -15px;
}

.col {
    position: relative;
    width: 100%;
    padding-right: 15px;
    padding-left: 15px;
}

/* Responsive breakpoints */
@media (min-width: 576px) {
    .col-sm {
        flex: 1 0 0%;
    }
}

@media (min-width: 768px) {
    .col-md {
        flex: 1 0 0%;
    }
}

@media (min-width: 992px) {
    .col-lg {
        flex: 1 0 0%;
    }
}

/* Navbar responsive */
.navbar {
    position: relative;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 1rem;
}

.navbar-brand {
    display: inline-block;
    padding-top: 0.3125rem;
    padding-bottom: 0.3125rem;
    margin-right: 1rem;
    font-size: 1.25rem;
    line-height: inherit;
    white-space: nowrap;
}

/* Menú hamburguesa para móviles */
.navbar-toggler {
    padding: 0.25rem 0.75rem;
    font-size: 1.25rem;
    line-height: 1;
    background-color: transparent;
    border: 1px solid transparent;
    border-radius: 0.25rem;
    transition: box-shadow .15s ease-in-out;
}

@media (max-width: 991.98px) {
    .navbar-collapse {
        display: none;
    }
    .navbar-collapse.show {
        display: block;
    }
}

/* Imágenes responsive */
.img-fluid {
    max-width: 100%;
    height: auto;
}

/* Utilidades responsive */
.d-none {
    display: none !important;
}

@media (min-width: 576px) {
    .d-sm-block {
        display: block !important;
    }
}

@media (min-width: 768px) {
    .d-md-block {
        display: block !important;
    }
}

/* Ajustes específicos para móviles */
@media (max-width: 575.98px) {
    .container {
        padding-left: 10px;
        padding-right: 10px;
    }
    
    .card {
        margin-bottom: 0.5rem;
    }
    
    .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .table-responsive {
        margin-bottom: 1rem;
    }
}

/* Ajustes para tablets */
@media (min-width: 576px) and (max-width: 991.98px) {
    .container {
        padding-left: 15px;
        padding-right: 15px;
    }
    
    .card {
        margin-bottom: 1rem;
    }
    
    .btn {
        margin-bottom: 0.5rem;
    }
}

/* Ajustes para pantallas grandes */
@media (min-width: 992px) {
    .container {
        padding-left: 30px;
        padding-right: 30px;
    }
    
    .card {
        margin-bottom: 2rem;
    }
    
    .btn {
        margin-bottom: 0;
    }
}